Java-1470 Split libraries module
This commit is contained in:
mikr
@@ -1,104 +0,0 @@
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package com.baeldung.akka;
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import akka.actor.ActorRef;
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import akka.actor.ActorSystem;
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import akka.actor.Props;
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import akka.testkit.TestKit;
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import org.junit.AfterClass;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import scala.concurrent.duration.Duration;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.TimeoutException;
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import static akka.pattern.PatternsCS.ask;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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public class AkkaActorsUnitTest {
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private static ActorSystem system = null;
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@BeforeClass
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public static void setup() {
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system = ActorSystem.create("test-system");
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}
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@AfterClass
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public static void teardown() {
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TestKit.shutdownActorSystem(system, Duration.apply(1000, TimeUnit.MILLISECONDS), true);
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system = null;
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}
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@Test
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public void givenAnActor_sendHimAMessageUsingTell() {
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final TestKit probe = new TestKit(system);
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ActorRef myActorRef = probe.childActorOf(Props.create(MyActor.class));
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myActorRef.tell("printit", probe.testActor());
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probe.expectMsg("Got Message");
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}
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@Test
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public void givenAnActor_sendHimAMessageUsingAsk() throws ExecutionException, InterruptedException {
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final TestKit probe = new TestKit(system);
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ActorRef wordCounterActorRef = probe.childActorOf(Props.create(WordCounterActor.class));
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CompletableFuture<Object> future =
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ask(wordCounterActorRef, new WordCounterActor.CountWords("this is a text"), 1000).toCompletableFuture();
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Integer numberOfWords = (Integer) future.get();
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assertTrue("The actor should count 4 words", 4 == numberOfWords);
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}
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@Test
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public void givenAnActor_whenTheMessageIsNull_respondWithException() {
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final TestKit probe = new TestKit(system);
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ActorRef wordCounterActorRef = probe.childActorOf(Props.create(WordCounterActor.class));
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CompletableFuture<Object> future =
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ask(wordCounterActorRef, new WordCounterActor.CountWords(null), 1000).toCompletableFuture();
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try {
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future.get(1000, TimeUnit.MILLISECONDS);
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} catch (ExecutionException e) {
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assertTrue("Invalid error message", e.getMessage().contains("The text to process can't be null!"));
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} catch (InterruptedException | TimeoutException e) {
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fail("Actor should respond with an exception instead of timing out !");
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}
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}
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@Test
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public void givenAnAkkaSystem_countTheWordsInAText() {
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ActorSystem system = ActorSystem.create("test-system");
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ActorRef myActorRef = system.actorOf(Props.create(MyActor.class), "my-actor");
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myActorRef.tell("printit", null);
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// system.stop(myActorRef);
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// myActorRef.tell(PoisonPill.getInstance(), ActorRef.noSender());
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// myActorRef.tell(Kill.getInstance(), ActorRef.noSender());
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ActorRef readingActorRef = system.actorOf(ReadingActor.props(TEXT), "readingActor");
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readingActorRef.tell(new ReadingActor.ReadLines(), ActorRef.noSender()); //ActorRef.noSender() means the sender ref is akka://test-system/deadLetters
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// Future<Terminated> terminateResponse = system.terminate();
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}
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private static String TEXT = "Lorem Ipsum is simply dummy text\n" +
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"of the printing and typesetting industry.\n" +
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"Lorem Ipsum has been the industry's standard dummy text\n" +
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"ever since the 1500s, when an unknown printer took a galley\n" +
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"of type and scrambled it to make a type specimen book.\n" +
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" It has survived not only five centuries, but also the leap\n" +
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"into electronic typesetting, remaining essentially unchanged.\n" +
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" It was popularised in the 1960s with the release of Letraset\n" +
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" sheets containing Lorem Ipsum passages, and more recently with\n" +
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" desktop publishing software like Aldus PageMaker including\n" +
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"versions of Lorem Ipsum.";
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}
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@@ -1,231 +0,0 @@
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package com.baeldung.atlassian.fugue;
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import io.atlassian.fugue.*;
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import org.junit.Assert;
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import org.junit.Test;
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import java.util.*;
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import java.util.function.Function;
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import static org.junit.Assert.*;
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import static io.atlassian.fugue.Unit.Unit;
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public class FugueUnitTest {
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@Test
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public void whenSome_thenDefined() {
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Option<String> some = Option.some("value");
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assertTrue(some.isDefined());
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assertEquals("value", some.get());
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}
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@Test
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public void whenNone_thenNotDefined() {
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Option<Object> none = Option.none();
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assertFalse(none.isDefined());
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assertEquals(1, none.getOrElse(1));
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}
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@Test
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public void whenSomeNull_thenException() {
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try {
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Option.some(null);
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fail("some(null) should throw");
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} catch (NullPointerException e) {
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//Expected
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}
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}
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@Test
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public void whenNullOption_thenSome() {
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Option<String> some = Option.some("value") .map(String::toUpperCase);
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assertEquals("VALUE", some.get());
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some = some.map(x -> null);
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assertNull(some.get());
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some.forEach(Assert::assertNull);
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for(Object value : some) {
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assertNull(value);
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}
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assertEquals(1, some.toStream().count());
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Option<Object> none = Option.some("value").flatMap(x -> Option.none());
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assertFalse(none.isDefined());
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none = Option.some("value").flatMap(Options.nullSafe(x -> null));
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assertFalse(none.isDefined());
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}
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@Test
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public void whenNone_thenEmptyOptional() {
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Optional<Object> optional = Option.none().toOptional();
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assertFalse(optional.isPresent());
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assertTrue(Option.fromOptional(optional).isEmpty());
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}
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@Test
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public void whenOption_thenIterable() {
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Option<String> some = Option.some("value");
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Iterable<String> strings = Iterables.concat(some, Arrays.asList("a", "b", "c"));
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List<String> stringList = new ArrayList<>();
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Iterables.addAll(stringList, strings);
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assertEquals(4, stringList.size());
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}
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@Test
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public void whenOption_thenStream() {
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assertEquals(0, Option.none().toStream().count());
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assertEquals(1, Option.some("value").toStream().count());
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}
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@Test
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public void whenLift_thenPartialFunction() {
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Function<Integer, Integer> f = (Integer x) -> x > 0 ? x + 1 : null;
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Function<Option<Integer>, Option<Integer>> lifted = Options.lift(f);
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assertEquals(2, (long) lifted.apply(Option.some(1)).get());
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assertTrue(lifted.apply(Option.none()).isEmpty());
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assertEquals(null, lifted.apply(Option.some(0)).get());
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}
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@Test
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public void whenLeft_thenEither() {
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Either<Integer, String> right = Either.right("value");
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Either<Integer, String> left = Either.left(-1);
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if(right.isLeft()) {
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fail();
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}
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if(left.isRight()) {
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fail();
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}
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String s = right.map(String::toUpperCase).getOrNull();
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assertEquals("VALUE", s);
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Either<String, String> either = right.left().map(x -> decodeSQLErrorCode(x));
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assertTrue(either.isRight());
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assertEquals("value", either.right().get());
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either.right().forEach(x -> assertEquals("value", x));
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}
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private static String decodeSQLErrorCode(Integer x) {
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return "error";
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}
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@Test
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public void whenTryIsFailure_thenIsFailureReturnsTrue() {
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assertTrue(Try.failure(new Exception("Fail!")).isFailure());
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}
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@Test
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public void whenTryIsSuccess_thenIsSuccessReturnsTrue() {
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assertTrue(Try.successful("OK").isSuccess());
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}
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@Test
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public void givenFunctionReturning_whenCheckedOf_thenSuccess() {
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assertTrue(Checked.of(() -> "ok").isSuccess());
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}
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@Test
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public void givenFunctionThrowing_whenCheckedOf_thenFailure() {
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assertTrue(Checked.of(() -> { throw new Exception("ko"); }).isFailure());
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}
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@Test
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public void givenFunctionThrowing_whenCheckedLift_thenFailure() {
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Checked.Function<String, Object, Exception> throwException = (String x) -> {
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throw new Exception(x);
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};
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assertTrue(Checked.lift(throwException).apply("ko").isFailure());
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}
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@Test
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public void whenRecover_thenSuccessfulTry() {
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Try<Object> recover = Try.
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failure(new Exception("boo!")).
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recover((Exception e) -> e.getMessage() + " recovered.");
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assertTrue(recover.isSuccess());
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assertEquals("boo! recovered.", recover.getOrElse(() -> null));
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recover = Try.
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failure(new Exception("boo!")).
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recoverWith((Exception e) -> Try.successful("recovered again!"));
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assertTrue(recover.isSuccess());
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assertEquals("recovered again!", recover.getOrElse(() -> null));
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}
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@Test
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public void whenFailure_thenMapNotCalled() {
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Try<Object> recover = Try.failure(new Exception("boo!")).map(x -> {
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fail("Oh, no!");
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return null;
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}).recover(Function.identity());
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Exception exception = (Exception) recover.toOption().get();
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assertTrue(recover.isSuccess());
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assertEquals("boo!", exception.getMessage());
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}
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@Test
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public void whenException_thenTryThrows() {
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Try<Object> checked = Checked.of(() -> {
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throw new Exception("Aaargh!");
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});
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Either<Exception, Object> either = checked.toEither();
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assertTrue(checked.isFailure());
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assertTrue(either.isLeft());
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assertEquals(42, checked.getOrElse(() -> 42));
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try {
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checked.getOrElse(() -> {
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throw new NoSuchElementException("fail");
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});
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fail("Was expecting exception");
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} catch (Exception e) {
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assertEquals("fail", e.getMessage());
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}
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}
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@Test
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public void whenRecoverThrows_thenFailure() {
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Try<Object> failure = Try.failure(new Exception("boo!")).recover(x -> {
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throw new RuntimeException(x);
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});
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assertTrue(failure.isFailure());
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}
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Unit doSomething() {
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System.out.println("Hello! Side effect");
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return Unit();
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}
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@Test
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public void whenPair_thenLeftAndRight() {
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Pair<Integer, String> pair = Pair.pair(1, "a");
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assertEquals(1, (int) pair.left());
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assertEquals("a", pair.right());
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}
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}
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@@ -1,60 +0,0 @@
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package com.baeldung.bytebuddy;
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import net.bytebuddy.ByteBuddy;
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import net.bytebuddy.agent.ByteBuddyAgent;
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import net.bytebuddy.dynamic.DynamicType;
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import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;
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import net.bytebuddy.dynamic.loading.ClassReloadingStrategy;
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import net.bytebuddy.implementation.FixedValue;
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import net.bytebuddy.implementation.MethodDelegation;
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import net.bytebuddy.matcher.ElementMatchers;
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import org.junit.Test;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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import static net.bytebuddy.matcher.ElementMatchers.*;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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public class ByteBuddyUnitTest {
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@Test
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public void givenObject_whenToString_thenReturnHelloWorldString() throws InstantiationException, IllegalAccessException {
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DynamicType.Unloaded unloadedType = new ByteBuddy().subclass(Object.class).method(ElementMatchers.isToString()).intercept(FixedValue.value("Hello World ByteBuddy!")).make();
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Class<?> dynamicType = unloadedType.load(getClass().getClassLoader()).getLoaded();
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assertEquals(dynamicType.newInstance().toString(), "Hello World ByteBuddy!");
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}
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@Test
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public void givenFoo_whenRedefined_thenReturnFooRedefined() throws Exception {
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ByteBuddyAgent.install();
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new ByteBuddy().redefine(Foo.class).method(named("sayHelloFoo")).intercept(FixedValue.value("Hello Foo Redefined")).make().load(Foo.class.getClassLoader(), ClassReloadingStrategy.fromInstalledAgent());
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Foo f = new Foo();
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assertEquals(f.sayHelloFoo(), "Hello Foo Redefined");
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}
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@Test
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public void givenSayHelloFoo_whenMethodDelegation_thenSayHelloBar() throws IllegalAccessException, InstantiationException {
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String r = new ByteBuddy().subclass(Foo.class).method(named("sayHelloFoo").and(isDeclaredBy(Foo.class).and(returns(String.class)))).intercept(MethodDelegation.to(Bar.class)).make().load(getClass().getClassLoader()).getLoaded().newInstance()
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.sayHelloFoo();
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assertEquals(r, Bar.sayHelloBar());
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}
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@Test
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public void givenMethodName_whenDefineMethod_thenCreateMethod() throws Exception {
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Class<?> type = new ByteBuddy().subclass(Object.class).name("MyClassName").defineMethod("custom", String.class, Modifier.PUBLIC).intercept(MethodDelegation.to(Bar.class)).defineField("x", String.class, Modifier.PUBLIC).make()
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.load(getClass().getClassLoader(), ClassLoadingStrategy.Default.WRAPPER).getLoaded();
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Method m = type.getDeclaredMethod("custom", null);
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assertEquals(m.invoke(type.newInstance()), Bar.sayHelloBar());
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assertNotNull(type.getDeclaredField("x"));
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}
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}
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@@ -1,144 +0,0 @@
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package com.baeldung.caffeine;
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import static org.junit.Assert.*;
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import java.util.Arrays;
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import java.util.Map;
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import java.util.concurrent.TimeUnit;
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import javax.annotation.Nonnull;
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import org.junit.Test;
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import com.github.benmanes.caffeine.cache.*;
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public class CaffeineUnitTest {
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@Test
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public void givenCache_whenPopulate_thenValueStored() {
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Cache<String, DataObject> cache = Caffeine.newBuilder().expireAfterWrite(1, TimeUnit.MINUTES).maximumSize(100).build();
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String key = "A";
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DataObject dataObject = cache.getIfPresent(key);
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assertNull(dataObject);
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dataObject = cache.get(key, k -> DataObject.get("Data for A"));
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assertNotNull(dataObject);
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assertEquals("Data for A", dataObject.getData());
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cache.put(key, dataObject);
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dataObject = cache.getIfPresent(key);
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assertNotNull(dataObject);
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cache.invalidate(key);
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dataObject = cache.getIfPresent(key);
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assertNull(dataObject);
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}
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@Test
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public void givenLoadingCache_whenGet_thenValuePopulated() {
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LoadingCache<String, DataObject> cache = Caffeine.newBuilder().maximumSize(100).expireAfterWrite(1, TimeUnit.MINUTES).build(k -> DataObject.get("Data for " + k));
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String key = "A";
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DataObject dataObject = cache.get(key);
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assertNotNull(dataObject);
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assertEquals("Data for " + key, dataObject.getData());
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Map<String, DataObject> dataObjectMap = cache.getAll(Arrays.asList("A", "B", "C"));
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assertEquals(3, dataObjectMap.size());
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}
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@Test
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public void givenAsyncLoadingCache_whenGet_thenValuePopulated() {
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AsyncLoadingCache<String, DataObject> cache = Caffeine.newBuilder().maximumSize(100).expireAfterWrite(1, TimeUnit.MINUTES).buildAsync(k -> DataObject.get("Data for " + k));
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String key = "A";
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cache.get(key).thenAccept(dataObject -> {
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assertNotNull(dataObject);
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assertEquals("Data for " + key, dataObject.getData());
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});
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cache.getAll(Arrays.asList("A", "B", "C")).thenAccept(dataObjectMap -> assertEquals(3, dataObjectMap.size()));
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}
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@Test
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public void givenLoadingCacheWithSmallSize_whenPut_thenSizeIsConstant() {
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LoadingCache<String, DataObject> cache = Caffeine.newBuilder().maximumSize(1).refreshAfterWrite(10, TimeUnit.MINUTES).build(k -> DataObject.get("Data for " + k));
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assertEquals(0, cache.estimatedSize());
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cache.get("A");
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assertEquals(1, cache.estimatedSize());
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cache.get("B");
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cache.cleanUp();
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assertEquals(1, cache.estimatedSize());
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}
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@Test
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public void givenLoadingCacheWithWeigher_whenPut_thenSizeIsConstant() {
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LoadingCache<String, DataObject> cache = Caffeine.newBuilder().maximumWeight(10).weigher((k, v) -> 5).build(k -> DataObject.get("Data for " + k));
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assertEquals(0, cache.estimatedSize());
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cache.get("A");
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assertEquals(1, cache.estimatedSize());
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cache.get("B");
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assertEquals(2, cache.estimatedSize());
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cache.get("C");
|
||||
cache.cleanUp();
|
||||
|
||||
assertEquals(2, cache.estimatedSize());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTimeEvictionCache_whenTimeLeft_thenValueEvicted() {
|
||||
LoadingCache<String, DataObject> cache = Caffeine.newBuilder().expireAfterAccess(5, TimeUnit.MINUTES).build(k -> DataObject.get("Data for " + k));
|
||||
|
||||
cache = Caffeine.newBuilder().expireAfterWrite(10, TimeUnit.SECONDS).weakKeys().weakValues().build(k -> DataObject.get("Data for " + k));
|
||||
|
||||
cache = Caffeine.newBuilder().expireAfterWrite(10, TimeUnit.SECONDS).softValues().build(k -> DataObject.get("Data for " + k));
|
||||
|
||||
cache = Caffeine.newBuilder().expireAfter(new Expiry<String, DataObject>() {
|
||||
@Override
|
||||
public long expireAfterCreate(@Nonnull String key, @Nonnull DataObject value, long currentTime) {
|
||||
return value.getData().length() * 1000;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long expireAfterUpdate(@Nonnull String key, @Nonnull DataObject value, long currentTime, long currentDuration) {
|
||||
return currentDuration;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long expireAfterRead(@Nonnull String key, @Nonnull DataObject value, long currentTime, long currentDuration) {
|
||||
return currentDuration;
|
||||
}
|
||||
}).build(k -> DataObject.get("Data for " + k));
|
||||
|
||||
cache = Caffeine.newBuilder().refreshAfterWrite(1, TimeUnit.MINUTES).build(k -> DataObject.get("Data for " + k));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenCache_whenStatsEnabled_thenStatsRecorded() {
|
||||
LoadingCache<String, DataObject> cache = Caffeine.newBuilder().maximumSize(100).recordStats().build(k -> DataObject.get("Data for " + k));
|
||||
cache.get("A");
|
||||
cache.get("A");
|
||||
|
||||
assertEquals(1, cache.stats().hitCount());
|
||||
assertEquals(1, cache.stats().missCount());
|
||||
}
|
||||
}
|
||||
@@ -1,123 +0,0 @@
|
||||
package com.baeldung.dockerapi;
|
||||
|
||||
import com.github.dockerjava.api.DockerClient;
|
||||
import com.github.dockerjava.api.command.CreateContainerResponse;
|
||||
import com.github.dockerjava.api.command.InspectContainerResponse;
|
||||
import com.github.dockerjava.api.model.Container;
|
||||
import com.github.dockerjava.api.model.PortBinding;
|
||||
import com.github.dockerjava.core.DockerClientBuilder;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import static org.hamcrest.MatcherAssert.assertThat;
|
||||
import static org.hamcrest.Matchers.not;
|
||||
import static org.hamcrest.core.Is.is;
|
||||
|
||||
public class ContainerLiveTest {
|
||||
|
||||
private static DockerClient dockerClient;
|
||||
|
||||
@BeforeClass
|
||||
public static void setup() {
|
||||
dockerClient = DockerClientBuilder.getInstance().build();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenListingRunningContainers_thenReturnNonEmptyList() {
|
||||
|
||||
// when
|
||||
List<Container> containers = dockerClient.listContainersCmd().exec();
|
||||
|
||||
// then
|
||||
assertThat(containers.size(), is(not(0)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenListingExitedContainers_thenReturnNonEmptyList() {
|
||||
|
||||
// when
|
||||
List<Container> containers = dockerClient.listContainersCmd().withShowSize(true).withShowAll(true).withStatusFilter("exited").exec();
|
||||
|
||||
// then
|
||||
assertThat(containers.size(), is(not(0)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenCreatingContainer_thenMustReturnContainerId() {
|
||||
|
||||
// when
|
||||
CreateContainerResponse container = dockerClient.createContainerCmd("mongo:3.6").withCmd("--bind_ip_all").withName("mongo").withHostName("baeldung").withEnv("MONGO_LATEST_VERSION=3.6").withPortBindings(PortBinding.parse("9999:27017")).exec();
|
||||
|
||||
// then
|
||||
assertThat(container.getId(), is(not(null)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenHavingContainer_thenRunContainer() throws InterruptedException {
|
||||
|
||||
// when
|
||||
CreateContainerResponse container = dockerClient.createContainerCmd("alpine:3.6").withCmd("sleep", "10000").exec();
|
||||
|
||||
Thread.sleep(3000);
|
||||
// then
|
||||
dockerClient.startContainerCmd(container.getId()).exec();
|
||||
|
||||
dockerClient.stopContainerCmd(container.getId()).exec();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenRunningContainer_thenStopContainer() throws InterruptedException {
|
||||
|
||||
// when
|
||||
CreateContainerResponse container = dockerClient.createContainerCmd("alpine:3.6").withCmd("sleep", "10000").exec();
|
||||
|
||||
Thread.sleep(3000);
|
||||
dockerClient.startContainerCmd(container.getId()).exec();
|
||||
|
||||
// then
|
||||
dockerClient.stopContainerCmd(container.getId()).exec();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenRunningContainer_thenKillContainer() throws InterruptedException {
|
||||
|
||||
// when
|
||||
CreateContainerResponse container = dockerClient.createContainerCmd("alpine:3.6").withCmd("sleep", "10000").exec();
|
||||
|
||||
dockerClient.startContainerCmd(container.getId()).exec();
|
||||
|
||||
Thread.sleep(3000);
|
||||
dockerClient.stopContainerCmd(container.getId()).exec();
|
||||
|
||||
// then
|
||||
dockerClient.killContainerCmd(container.getId()).exec();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenHavingContainer_thenInspectContainer() {
|
||||
|
||||
// when
|
||||
CreateContainerResponse container = dockerClient.createContainerCmd("alpine:3.6").withCmd("sleep", "10000").exec();
|
||||
|
||||
// then
|
||||
InspectContainerResponse containerResponse = dockerClient.inspectContainerCmd(container.getId()).exec();
|
||||
|
||||
assertThat(containerResponse.getId(), is(container.getId()));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenContainer_whenCommittingContainer_thenMustReturnImageId() {
|
||||
|
||||
// given
|
||||
CreateContainerResponse container = dockerClient.createContainerCmd("alpine:3.6").withCmd("sleep", "10000").exec();
|
||||
|
||||
// when
|
||||
String imageId = dockerClient.commitCmd(container.getId()).withEnv("SNAPSHOT_YEAR=2018").withMessage("add git support").withCmd("sleep", "10000").withRepository("alpine").withTag("3.6.v2").exec();
|
||||
|
||||
// then
|
||||
assertThat(imageId, is(not(null)));
|
||||
}
|
||||
|
||||
}
|
||||
@@ -1,68 +0,0 @@
|
||||
package com.baeldung.dockerapi;
|
||||
|
||||
import com.github.dockerjava.api.DockerClient;
|
||||
import com.github.dockerjava.core.DefaultDockerClientConfig;
|
||||
import com.github.dockerjava.core.DockerClientBuilder;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.Properties;
|
||||
|
||||
import static org.junit.Assert.assertNotNull;
|
||||
|
||||
public class DockerClientLiveTest {
|
||||
|
||||
@Test
|
||||
public void whenCreatingDockerClient_thenReturnDefaultInstance() {
|
||||
|
||||
// when
|
||||
DefaultDockerClientConfig.Builder config = DefaultDockerClientConfig.createDefaultConfigBuilder();
|
||||
DockerClient dockerClient = DockerClientBuilder.getInstance(config).build();
|
||||
|
||||
// then
|
||||
assertNotNull(dockerClient);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenCreatingDockerClientWithDockerHost_thenReturnInstance() {
|
||||
// when
|
||||
DockerClient dockerClient = DockerClientBuilder.getInstance("tcp://docker.bealdung.com:2375").build();
|
||||
|
||||
// then
|
||||
assertNotNull(dockerClient);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenCreatingAdvanceDockerClient_thenReturnInstance() {
|
||||
|
||||
// when
|
||||
DefaultDockerClientConfig config = DefaultDockerClientConfig.createDefaultConfigBuilder().withRegistryEmail("info@bealdung.com").withRegistryUrl("register.bealdung.io/v2/").withRegistryPassword("strongpassword").withRegistryUsername("bealdung")
|
||||
.withDockerCertPath("/home/bealdung/public/.docker/certs").withDockerConfig("/home/bealdung/public/.docker/").withDockerTlsVerify("1").withDockerHost("tcp://docker.beauldung.com:2376").build();
|
||||
|
||||
DockerClient dockerClient = DockerClientBuilder.getInstance(config).build();
|
||||
|
||||
// then
|
||||
assertNotNull(dockerClient);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenCreatingDockerClientWithProperties_thenReturnInstance() {
|
||||
|
||||
// when
|
||||
Properties properties = new Properties();
|
||||
properties.setProperty("registry.email", "info@bealdung.com");
|
||||
properties.setProperty("registry.url", "register.bealdung.io/v2/");
|
||||
properties.setProperty("registry.password", "strongpassword");
|
||||
properties.setProperty("registry.username", "bealdung");
|
||||
properties.setProperty("DOCKER_CERT_PATH", "/home/bealdung/public/.docker/certs");
|
||||
properties.setProperty("DOCKER_CONFIG", "/home/bealdung/public/.docker/");
|
||||
properties.setProperty("DOCKER_TLS_VERIFY", "1");
|
||||
properties.setProperty("DOCKER_HOST", "tcp://docker.bealdung.com:2376");
|
||||
|
||||
DefaultDockerClientConfig config = DefaultDockerClientConfig.createDefaultConfigBuilder().withProperties(properties).build();
|
||||
|
||||
DockerClient dockerClient = DockerClientBuilder.getInstance(config).build();
|
||||
|
||||
// then
|
||||
assertNotNull(dockerClient);
|
||||
}
|
||||
}
|
||||
@@ -1,140 +0,0 @@
|
||||
package com.baeldung.dockerapi;
|
||||
|
||||
import com.github.dockerjava.api.DockerClient;
|
||||
import com.github.dockerjava.api.command.InspectImageResponse;
|
||||
import com.github.dockerjava.api.model.Image;
|
||||
import com.github.dockerjava.api.model.SearchItem;
|
||||
import com.github.dockerjava.core.DockerClientBuilder;
|
||||
import com.github.dockerjava.core.command.BuildImageResultCallback;
|
||||
import com.github.dockerjava.core.command.PullImageResultCallback;
|
||||
import com.github.dockerjava.core.command.PushImageResultCallback;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.File;
|
||||
import java.util.List;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import static org.hamcrest.MatcherAssert.assertThat;
|
||||
import static org.hamcrest.Matchers.greaterThan;
|
||||
import static org.hamcrest.Matchers.lessThan;
|
||||
import static org.hamcrest.Matchers.not;
|
||||
import static org.hamcrest.core.Is.is;
|
||||
|
||||
public class ImageLiveTest {
|
||||
|
||||
private static DockerClient dockerClient;
|
||||
|
||||
@BeforeClass
|
||||
public static void setup() {
|
||||
dockerClient = DockerClientBuilder.getInstance().build();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenListingImages_thenReturnNonEmptyList() {
|
||||
|
||||
// when
|
||||
List<Image> images = dockerClient.listImagesCmd().exec();
|
||||
|
||||
// then
|
||||
assertThat(images.size(), is(not(0)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenListingImagesWithIntermediateImages_thenReturnNonEmptyList() {
|
||||
|
||||
// when
|
||||
List<Image> images = dockerClient.listImagesCmd().withShowAll(true).exec();
|
||||
|
||||
// then
|
||||
assertThat(images.size(), is(not(0)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenListingDanglingImages_thenReturnNonNullList() {
|
||||
|
||||
// when
|
||||
List<Image> images = dockerClient.listImagesCmd().withDanglingFilter(true).exec();
|
||||
|
||||
// then
|
||||
assertThat(images, is(not(null)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenBuildingImage_thenMustReturnImageId() {
|
||||
|
||||
// when
|
||||
String imageId = dockerClient.buildImageCmd().withDockerfile(new File("src/test/resources/dockerapi/Dockerfile")).withPull(true).withNoCache(true).withTag("alpine:git").exec(new BuildImageResultCallback()).awaitImageId();
|
||||
|
||||
// then
|
||||
assertThat(imageId, is(not(null)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenListOfImages_whenInspectImage_thenMustReturnObject() {
|
||||
|
||||
// given
|
||||
List<Image> images = dockerClient.listImagesCmd().exec();
|
||||
Image image = images.get(0);
|
||||
|
||||
// when
|
||||
InspectImageResponse imageResponse = dockerClient.inspectImageCmd(image.getId()).exec();
|
||||
|
||||
// then
|
||||
assertThat(imageResponse.getId(), is(image.getId()));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenListOfImages_whenTagImage_thenListMustIncrement() {
|
||||
|
||||
// given
|
||||
List<Image> images = dockerClient.listImagesCmd().exec();
|
||||
Image image = images.get(0);
|
||||
|
||||
// when
|
||||
dockerClient.tagImageCmd(image.getId(), "baeldung/alpine", "3.6.v2").exec();
|
||||
|
||||
// then
|
||||
List<Image> imagesNow = dockerClient.listImagesCmd().exec();
|
||||
assertThat(imagesNow.size(), is(greaterThan(images.size())));
|
||||
}
|
||||
|
||||
public void pushingAnImage() throws InterruptedException {
|
||||
|
||||
dockerClient.pushImageCmd("baeldung/alpine").withTag("3.6.v2").exec(new PushImageResultCallback()).awaitCompletion(90, TimeUnit.SECONDS);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenPullingImage_thenImageListNotEmpty() throws InterruptedException {
|
||||
|
||||
// when
|
||||
dockerClient.pullImageCmd("alpine").withTag("latest").exec(new PullImageResultCallback()).awaitCompletion(30, TimeUnit.SECONDS);
|
||||
|
||||
// then
|
||||
List<Image> images = dockerClient.listImagesCmd().exec();
|
||||
assertThat(images.size(), is(not(0)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenRemovingImage_thenImageListDecrease() {
|
||||
|
||||
// when
|
||||
List<Image> images = dockerClient.listImagesCmd().exec();
|
||||
Image image = images.get(0);
|
||||
dockerClient.removeImageCmd(image.getId()).exec();
|
||||
|
||||
// then
|
||||
List<Image> imagesNow = dockerClient.listImagesCmd().exec();
|
||||
assertThat(imagesNow.size(), is(lessThan(images.size())));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenSearchingImage_thenMustReturn25Items() {
|
||||
|
||||
// when
|
||||
List<SearchItem> items = dockerClient.searchImagesCmd("Java").exec();
|
||||
|
||||
// then
|
||||
assertThat(items.size(), is(25));
|
||||
}
|
||||
}
|
||||
@@ -1,80 +0,0 @@
|
||||
package com.baeldung.dockerapi;
|
||||
|
||||
import com.github.dockerjava.api.DockerClient;
|
||||
import com.github.dockerjava.api.command.CreateNetworkResponse;
|
||||
import com.github.dockerjava.api.model.Network;
|
||||
import com.github.dockerjava.api.model.Network.Ipam;
|
||||
import com.github.dockerjava.core.DockerClientBuilder;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Ignore;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import static org.hamcrest.MatcherAssert.assertThat;
|
||||
import static org.hamcrest.Matchers.greaterThan;
|
||||
import static org.hamcrest.Matchers.not;
|
||||
import static org.hamcrest.core.Is.is;
|
||||
|
||||
public class NetworkLiveTest {
|
||||
|
||||
private static DockerClient dockerClient;
|
||||
|
||||
@BeforeClass
|
||||
public static void setup() {
|
||||
dockerClient = DockerClientBuilder.getInstance().build();
|
||||
}
|
||||
|
||||
@Test
|
||||
@Ignore("temporarily")
|
||||
public void whenListingNetworks_thenSizeMustBeGreaterThanZero() {
|
||||
|
||||
// when
|
||||
List<Network> networks = dockerClient.listNetworksCmd().exec();
|
||||
|
||||
// then
|
||||
assertThat(networks.size(), is(greaterThan(0)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenCreatingNetwork_thenRetrieveResponse() {
|
||||
|
||||
// when
|
||||
CreateNetworkResponse networkResponse = dockerClient.createNetworkCmd().withName("baeldungDefault").withDriver("bridge").exec();
|
||||
|
||||
// then
|
||||
assertThat(networkResponse, is(not(null)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenCreatingAdvanceNetwork_thenRetrieveResponse() {
|
||||
|
||||
// when
|
||||
CreateNetworkResponse networkResponse = dockerClient.createNetworkCmd().withName("baeldungAdvanced").withIpam(new Ipam().withConfig(new Ipam.Config().withSubnet("172.36.0.0/16").withIpRange("172.36.5.0/24"))).withDriver("bridge").exec();
|
||||
|
||||
// then
|
||||
assertThat(networkResponse, is(not(null)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenInspectingNetwork_thenSizeMustBeGreaterThanZero() {
|
||||
|
||||
// when
|
||||
String networkName = "bridge";
|
||||
Network network = dockerClient.inspectNetworkCmd().withNetworkId(networkName).exec();
|
||||
|
||||
// then
|
||||
assertThat(network.getName(), is(networkName));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenCreatingNetwork_thenRemove() throws InterruptedException {
|
||||
|
||||
// when
|
||||
CreateNetworkResponse networkResponse = dockerClient.createNetworkCmd().withName("baeldungDefault").withDriver("bridge").exec();
|
||||
|
||||
// then
|
||||
Thread.sleep(4000);
|
||||
dockerClient.removeNetworkCmd(networkResponse.getId()).exec();
|
||||
}
|
||||
}
|
||||
@@ -1,83 +0,0 @@
|
||||
package com.baeldung.dockerapi;
|
||||
|
||||
import com.github.dockerjava.api.DockerClient;
|
||||
import com.github.dockerjava.api.command.CreateVolumeResponse;
|
||||
import com.github.dockerjava.api.command.InspectVolumeResponse;
|
||||
import com.github.dockerjava.api.command.ListVolumesResponse;
|
||||
import com.github.dockerjava.core.DockerClientBuilder;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import static org.hamcrest.MatcherAssert.assertThat;
|
||||
import static org.hamcrest.Matchers.greaterThan;
|
||||
import static org.hamcrest.Matchers.not;
|
||||
import static org.hamcrest.core.Is.is;
|
||||
|
||||
public class VolumeLiveTest {
|
||||
|
||||
private static DockerClient dockerClient;
|
||||
|
||||
@BeforeClass
|
||||
public static void setup() {
|
||||
dockerClient = DockerClientBuilder.getInstance().build();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenListingVolumes_thenSizeMustBeGreaterThanZero() {
|
||||
|
||||
// when
|
||||
ListVolumesResponse volumesResponse = dockerClient.listVolumesCmd().exec();
|
||||
|
||||
// then
|
||||
List<InspectVolumeResponse> volumes = volumesResponse.getVolumes();
|
||||
assertThat(volumes.size(), is(greaterThan(0)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenVolumes_whenInspectingVolume_thenReturnNonNullResponse() {
|
||||
|
||||
// given
|
||||
ListVolumesResponse volumesResponse = dockerClient.listVolumesCmd().exec();
|
||||
List<InspectVolumeResponse> volumes = volumesResponse.getVolumes();
|
||||
InspectVolumeResponse volume = volumes.get(0);
|
||||
|
||||
// when
|
||||
InspectVolumeResponse volumeResponse = dockerClient.inspectVolumeCmd(volume.getName()).exec();
|
||||
|
||||
// then
|
||||
assertThat(volumeResponse, is(not(null)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenCreatingUnnamedVolume_thenGetVolumeId() {
|
||||
|
||||
// when
|
||||
CreateVolumeResponse unnamedVolume = dockerClient.createVolumeCmd().exec();
|
||||
|
||||
// then
|
||||
assertThat(unnamedVolume.getName(), is(not(null)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenCreatingNamedVolume_thenGetVolumeId() {
|
||||
|
||||
// when
|
||||
CreateVolumeResponse namedVolume = dockerClient.createVolumeCmd().withName("myNamedVolume").exec();
|
||||
|
||||
// then
|
||||
assertThat(namedVolume.getName(), is(not(null)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenGettingNamedVolume_thenRemove() throws InterruptedException {
|
||||
|
||||
// when
|
||||
CreateVolumeResponse namedVolume = dockerClient.createVolumeCmd().withName("anotherNamedVolume").exec();
|
||||
|
||||
// then
|
||||
Thread.sleep(4000);
|
||||
dockerClient.removeVolumeCmd(namedVolume.getName()).exec();
|
||||
}
|
||||
}
|
||||
@@ -1,116 +0,0 @@
|
||||
package com.baeldung.fj;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import fj.F;
|
||||
import fj.Show;
|
||||
import fj.data.Array;
|
||||
import fj.data.List;
|
||||
import fj.data.Option;
|
||||
import fj.function.Characters;
|
||||
import fj.function.Integers;
|
||||
|
||||
public class FunctionalJavaUnitTest {
|
||||
|
||||
public static final F<Integer, Boolean> isEven = i -> i % 2 == 0;
|
||||
|
||||
public static final Integer timesTwoRegular(Integer i) {
|
||||
return i * 2;
|
||||
}
|
||||
|
||||
public static final F<Integer, Integer> timesTwo = i -> i * 2;
|
||||
|
||||
public static final F<Integer, Integer> plusOne = i -> i + 1;
|
||||
|
||||
@Test
|
||||
public void multiplyNumbers_givenIntList_returnTrue() {
|
||||
List<Integer> fList = List.list(1, 2, 3, 4);
|
||||
List<Integer> fList1 = fList.map(timesTwo);
|
||||
List<Integer> fList2 = fList.map(i -> i * 2);
|
||||
|
||||
assertTrue(fList1.equals(fList2));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void applyMultipleFunctions_givenIntList_returnFalse() {
|
||||
List<Integer> fList = List.list(1, 2, 3, 4);
|
||||
List<Integer> fList1 = fList.map(timesTwo).map(plusOne);
|
||||
Show.listShow(Show.intShow).println(fList1);
|
||||
List<Integer> fList2 = fList.map(plusOne).map(timesTwo);
|
||||
Show.listShow(Show.intShow).println(fList2);
|
||||
|
||||
assertFalse(fList1.equals(fList2));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void calculateEvenNumbers_givenIntList_returnTrue() {
|
||||
List<Integer> fList = List.list(3, 4, 5, 6);
|
||||
List<Boolean> evenList = fList.map(isEven);
|
||||
List<Boolean> evenListTrueResult = List.list(false, true, false, true);
|
||||
|
||||
assertTrue(evenList.equals(evenListTrueResult));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void mapList_givenIntList_returnResult() {
|
||||
List<Integer> fList = List.list(3, 4, 5, 6);
|
||||
fList = fList.map(i -> i + 100);
|
||||
List<Integer> resultList = List.list(103, 104, 105, 106);
|
||||
|
||||
assertTrue(fList.equals(resultList));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void filterList_givenIntList_returnResult() {
|
||||
Array<Integer> array = Array.array(3, 4, 5, 6);
|
||||
Array<Integer> filteredArray = array.filter(isEven);
|
||||
Array<Integer> result = Array.array(4, 6);
|
||||
|
||||
assertTrue(filteredArray.equals(result));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void checkForLowerCase_givenStringArray_returnResult() {
|
||||
Array<String> array = Array.array("Welcome", "To", "baeldung");
|
||||
assertTrue(array.exists(s -> List.fromString(s).forall(Characters.isLowerCase)));
|
||||
|
||||
Array<String> array2 = Array.array("Welcome", "To", "Baeldung");
|
||||
assertFalse(array2.exists(s -> List.fromString(s).forall(Characters.isLowerCase)));
|
||||
|
||||
assertFalse(array.forall(s -> List.fromString(s).forall(Characters.isLowerCase)));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void checkOptions_givenOptions_returnResult() {
|
||||
Option<Integer> n1 = Option.some(1);
|
||||
Option<Integer> n2 = Option.some(2);
|
||||
Option<Integer> n3 = Option.none();
|
||||
|
||||
F<Integer, Option<Integer>> function = i -> i % 2 == 0 ? Option.some(i + 100) : Option.none();
|
||||
|
||||
Option<Integer> result1 = n1.bind(function);
|
||||
Option<Integer> result2 = n2.bind(function);
|
||||
Option<Integer> result3 = n3.bind(function);
|
||||
|
||||
assertEquals(Option.none(), result1);
|
||||
assertEquals(Option.some(102), result2);
|
||||
assertEquals(Option.none(), result3);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void foldLeft_givenArray_returnResult() {
|
||||
Array<Integer> intArray = Array.array(17, 44, 67, 2, 22, 80, 1, 27);
|
||||
int sumAll = intArray.foldLeft(Integers.add, 0);
|
||||
|
||||
assertEquals(260, sumAll);
|
||||
|
||||
int sumEven = intArray.filter(isEven).foldLeft(Integers.add, 0);
|
||||
|
||||
assertEquals(148, sumEven);
|
||||
}
|
||||
|
||||
}
|
||||
@@ -1,73 +0,0 @@
|
||||
package com.baeldung.ftp;
|
||||
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.mockftpserver.fake.FakeFtpServer;
|
||||
import org.mockftpserver.fake.UserAccount;
|
||||
import org.mockftpserver.fake.filesystem.DirectoryEntry;
|
||||
import org.mockftpserver.fake.filesystem.FileEntry;
|
||||
import org.mockftpserver.fake.filesystem.FileSystem;
|
||||
import org.mockftpserver.fake.filesystem.UnixFakeFileSystem;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.net.URISyntaxException;
|
||||
import java.util.Collection;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
public class FtpClientIntegrationTest {
|
||||
|
||||
private FakeFtpServer fakeFtpServer;
|
||||
|
||||
private FtpClient ftpClient;
|
||||
|
||||
@Before
|
||||
public void setup() throws IOException {
|
||||
fakeFtpServer = new FakeFtpServer();
|
||||
fakeFtpServer.addUserAccount(new UserAccount("user", "password", "/data"));
|
||||
|
||||
FileSystem fileSystem = new UnixFakeFileSystem();
|
||||
fileSystem.add(new DirectoryEntry("/data"));
|
||||
fileSystem.add(new FileEntry("/data/foobar.txt", "abcdef 1234567890"));
|
||||
fakeFtpServer.setFileSystem(fileSystem);
|
||||
fakeFtpServer.setServerControlPort(0);
|
||||
|
||||
fakeFtpServer.start();
|
||||
|
||||
ftpClient = new FtpClient("localhost", fakeFtpServer.getServerControlPort(), "user", "password");
|
||||
ftpClient.open();
|
||||
}
|
||||
|
||||
@After
|
||||
public void teardown() throws IOException {
|
||||
ftpClient.close();
|
||||
fakeFtpServer.stop();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenRemoteFile_whenListingRemoteFiles_thenItIsContainedInList() throws IOException {
|
||||
Collection<String> files = ftpClient.listFiles("");
|
||||
|
||||
assertThat(files).contains("foobar.txt");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenRemoteFile_whenDownloading_thenItIsOnTheLocalFilesystem() throws IOException {
|
||||
ftpClient.downloadFile("/foobar.txt", "downloaded_buz.txt");
|
||||
|
||||
assertThat(new File("downloaded_buz.txt")).exists();
|
||||
new File("downloaded_buz.txt").delete(); // cleanup
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenLocalFile_whenUploadingIt_thenItExistsOnRemoteLocation() throws URISyntaxException, IOException {
|
||||
File file = new File(getClass().getClassLoader().getResource("ftp/baz.txt").toURI());
|
||||
|
||||
ftpClient.putFileToPath(file, "/buz.txt");
|
||||
|
||||
assertThat(fakeFtpServer.getFileSystem().exists("/buz.txt")).isTrue();
|
||||
}
|
||||
|
||||
}
|
||||
@@ -1,63 +0,0 @@
|
||||
package com.baeldung.ftp;
|
||||
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.mockftpserver.fake.FakeFtpServer;
|
||||
import org.mockftpserver.fake.UserAccount;
|
||||
import org.mockftpserver.fake.filesystem.DirectoryEntry;
|
||||
import org.mockftpserver.fake.filesystem.FileEntry;
|
||||
import org.mockftpserver.fake.filesystem.FileSystem;
|
||||
import org.mockftpserver.fake.filesystem.UnixFakeFileSystem;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.net.URISyntaxException;
|
||||
import java.net.URL;
|
||||
import java.net.URLConnection;
|
||||
import java.nio.file.Files;
|
||||
import java.util.Collection;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
public class JdkFtpClientIntegrationTest {
|
||||
|
||||
private FakeFtpServer fakeFtpServer;
|
||||
|
||||
|
||||
@Before
|
||||
public void setup() throws IOException {
|
||||
fakeFtpServer = new FakeFtpServer();
|
||||
fakeFtpServer.addUserAccount(new UserAccount("user", "password", "/data"));
|
||||
|
||||
FileSystem fileSystem = new UnixFakeFileSystem();
|
||||
fileSystem.add(new DirectoryEntry("/data"));
|
||||
fileSystem.add(new FileEntry("/data/foobar.txt", "abcdef 1234567890"));
|
||||
fakeFtpServer.setFileSystem(fileSystem);
|
||||
fakeFtpServer.setServerControlPort(0);
|
||||
|
||||
fakeFtpServer.start();
|
||||
}
|
||||
|
||||
@After
|
||||
public void teardown() throws IOException {
|
||||
fakeFtpServer.stop();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenRemoteFile_whenDownloading_thenItIsOnTheLocalFilesystem() throws IOException {
|
||||
String ftpUrl = String.format("ftp://user:password@localhost:%d/foobar.txt", fakeFtpServer.getServerControlPort());
|
||||
|
||||
URLConnection urlConnection = new URL(ftpUrl).openConnection();
|
||||
InputStream inputStream = urlConnection.getInputStream();
|
||||
Files.copy(inputStream, new File("downloaded_buz.txt").toPath());
|
||||
inputStream.close();
|
||||
|
||||
assertThat(new File("downloaded_buz.txt")).exists();
|
||||
|
||||
new File("downloaded_buz.txt").delete(); // cleanup
|
||||
}
|
||||
|
||||
}
|
||||
@@ -1,99 +0,0 @@
|
||||
package com.baeldung.javapoet.test;
|
||||
|
||||
import com.baeldung.javapoet.PersonGenerator;
|
||||
import org.apache.commons.io.FileUtils;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.junit.runners.JUnit4;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
import java.nio.file.Files;
|
||||
import java.nio.file.Path;
|
||||
import java.nio.file.Paths;
|
||||
|
||||
import static org.hamcrest.Matchers.equalTo;
|
||||
import static org.hamcrest.Matchers.is;
|
||||
import static org.junit.Assert.assertThat;
|
||||
|
||||
@RunWith(JUnit4.class)
|
||||
public class PersonGeneratorUnitTest {
|
||||
|
||||
private PersonGenerator generator;
|
||||
private Path generatedFolderPath;
|
||||
private Path expectedFolderPath;
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
String packagePath = this
|
||||
.getClass()
|
||||
.getPackage()
|
||||
.getName()
|
||||
.replace(".", "/") + "/person";
|
||||
generator = new PersonGenerator();
|
||||
generatedFolderPath = generator
|
||||
.getOutputPath()
|
||||
.resolve(packagePath);
|
||||
expectedFolderPath = Paths.get(new File(".").getAbsolutePath() + "/src/test/java/" + packagePath);
|
||||
}
|
||||
|
||||
@After
|
||||
public void tearDown() throws Exception {
|
||||
FileUtils.deleteDirectory(new File(generator
|
||||
.getOutputPath()
|
||||
.toUri()));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenGenerateGenderEnum_thenGenerateGenderEnumAndWriteToFile() throws IOException {
|
||||
generator.generateGenderEnum();
|
||||
String fileName = "Gender.java";
|
||||
assertThatFileIsGeneratedAsExpected(fileName);
|
||||
deleteGeneratedFile(fileName);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenGeneratePersonInterface_thenGeneratePersonInterfaceAndWriteToFile() throws IOException {
|
||||
generator.generatePersonInterface();
|
||||
String fileName = "Person.java";
|
||||
assertThatFileIsGeneratedAsExpected(fileName);
|
||||
deleteGeneratedFile(fileName);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenGenerateStudentClass_thenGenerateStudentClassAndWriteToFile() throws IOException {
|
||||
generator.generateStudentClass();
|
||||
String fileName = "Student.java";
|
||||
assertThatFileIsGeneratedAsExpected(fileName);
|
||||
deleteGeneratedFile(fileName);
|
||||
}
|
||||
|
||||
private void assertThatFileIsGeneratedAsExpected(String fileName) throws IOException {
|
||||
String generatedFileContent = extractFileContent(generatedFolderPath.resolve(fileName));
|
||||
String expectedFileContent = extractFileContent(expectedFolderPath.resolve(fileName));
|
||||
|
||||
assertThat("Generated file is identical to the file with the expected content", generatedFileContent, is(equalTo(expectedFileContent)));
|
||||
|
||||
}
|
||||
|
||||
private void deleteGeneratedFile(String fileName) throws IOException {
|
||||
Path generatedFilePath = generatedFolderPath.resolve(fileName);
|
||||
Files.delete(generatedFilePath);
|
||||
}
|
||||
|
||||
private String extractFileContent(Path filePath) throws IOException {
|
||||
byte[] fileContentAsBytes = Files.readAllBytes(filePath);
|
||||
String fileContentAsString = new String(fileContentAsBytes, StandardCharsets.UTF_8);
|
||||
|
||||
if (!fileContentAsString.contains("\r\n")) {
|
||||
// file is not in DOS format
|
||||
// convert it first, so that the content comparison will be relevant
|
||||
return fileContentAsString.replaceAll("\n", "\r\n");
|
||||
}
|
||||
return fileContentAsString;
|
||||
}
|
||||
|
||||
}
|
||||
@@ -1,9 +0,0 @@
|
||||
package com.baeldung.javapoet.test.person;
|
||||
|
||||
public enum Gender {
|
||||
MALE,
|
||||
|
||||
FEMALE,
|
||||
|
||||
UNSPECIFIED
|
||||
}
|
||||
@@ -1,13 +0,0 @@
|
||||
package com.baeldung.javapoet.test.person;
|
||||
|
||||
import java.lang.String;
|
||||
|
||||
public interface Person {
|
||||
String DEFAULT_NAME = "Alice";
|
||||
|
||||
String getName();
|
||||
|
||||
default String getDefaultName() {
|
||||
return DEFAULT_NAME;
|
||||
}
|
||||
}
|
||||
@@ -1,37 +0,0 @@
|
||||
package com.baeldung.javapoet.test.person;
|
||||
|
||||
import java.lang.Override;
|
||||
import java.lang.String;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.Comparator;
|
||||
import java.util.List;
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
public class Student implements Person {
|
||||
private String name;
|
||||
|
||||
@Override
|
||||
public String getName() {
|
||||
return this.name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public void printNameMultipleTimes() {
|
||||
List<String> names = new ArrayList<>();
|
||||
IntStream.range(0, 10).forEach(i -> names.add(name));
|
||||
names.forEach(System.out::println);
|
||||
}
|
||||
|
||||
public static void sortByLength(List<String> strings) {
|
||||
Collections.sort(strings, new Comparator<String>() {
|
||||
@Override
|
||||
public int compare(String a, String b) {
|
||||
return a.length() - b.length();
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
@@ -1,86 +0,0 @@
|
||||
package com.baeldung.jctools;
|
||||
|
||||
import org.jctools.queues.SpscArrayQueue;
|
||||
import org.jctools.queues.SpscChunkedArrayQueue;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.HashSet;
|
||||
import java.util.Set;
|
||||
import java.util.concurrent.CountDownLatch;
|
||||
import java.util.concurrent.atomic.AtomicReference;
|
||||
import java.util.function.IntConsumer;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
import static org.assertj.core.api.Assertions.fail;
|
||||
|
||||
public class JCToolsUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenMultipleProducers_whenSpscQueueUsed_thenNoWarningOccurs() throws InterruptedException {
|
||||
SpscArrayQueue<Integer> queue = new SpscArrayQueue<Integer>(2);
|
||||
|
||||
Thread producer1 = new Thread(() -> {
|
||||
queue.offer(1);
|
||||
});
|
||||
producer1.start();
|
||||
producer1.join();
|
||||
|
||||
Thread producer2 = new Thread(() -> {
|
||||
queue.offer(2);
|
||||
});
|
||||
producer2.start();
|
||||
producer2.join();
|
||||
|
||||
Set<Integer> fromQueue = new HashSet<>();
|
||||
Thread consumer = new Thread(() -> queue.drain(fromQueue::add));
|
||||
consumer.start();
|
||||
consumer.join();
|
||||
|
||||
assertThat(fromQueue).containsOnly(1, 2);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenQueueIsFull_thenNoMoreElementsCanBeAdded() throws InterruptedException {
|
||||
SpscChunkedArrayQueue<Integer> queue = new SpscChunkedArrayQueue<>(8, 16);
|
||||
assertThat(queue.capacity()).isEqualTo(16);
|
||||
|
||||
CountDownLatch startConsuming = new CountDownLatch(1);
|
||||
CountDownLatch awakeProducer = new CountDownLatch(1);
|
||||
AtomicReference<Throwable> error = new AtomicReference<>();
|
||||
Thread producer = new Thread(() -> {
|
||||
IntStream.range(0, queue.capacity()).forEach(i -> {
|
||||
assertThat(queue.offer(i)).isTrue();
|
||||
});
|
||||
assertThat(queue.offer(queue.capacity())).isFalse();
|
||||
startConsuming.countDown();
|
||||
try {
|
||||
awakeProducer.await();
|
||||
} catch (InterruptedException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
|
||||
assertThat(queue.offer(queue.capacity())).isTrue();
|
||||
});
|
||||
producer.setUncaughtExceptionHandler((t, e) -> {
|
||||
error.set(e);
|
||||
startConsuming.countDown();
|
||||
});
|
||||
producer.start();
|
||||
|
||||
startConsuming.await();
|
||||
|
||||
if (error.get() != null) {
|
||||
fail("Producer's assertion failed", error.get());
|
||||
}
|
||||
|
||||
Set<Integer> fromQueue = new HashSet<>();
|
||||
queue.drain(fromQueue::add);
|
||||
awakeProducer.countDown();
|
||||
producer.join();
|
||||
queue.drain(fromQueue::add);
|
||||
|
||||
assertThat(fromQueue).containsAll(IntStream.range(0, 17).boxed().collect(Collectors.toSet()));
|
||||
}
|
||||
}
|
||||
@@ -1,114 +0,0 @@
|
||||
package com.baeldung.jnats;
|
||||
|
||||
import io.nats.client.Message;
|
||||
import io.nats.client.SyncSubscription;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertNotNull;
|
||||
import static org.junit.Assert.assertNull;
|
||||
|
||||
public class NatsClientLiveTest {
|
||||
|
||||
@Test
|
||||
public void givenMessageExchange_MessagesReceived() throws Exception {
|
||||
|
||||
NatsClient client = connectClient();
|
||||
|
||||
SyncSubscription fooSubscription = client.subscribeSync("foo.bar");
|
||||
SyncSubscription barSubscription = client.subscribeSync("bar.foo");
|
||||
client.publishMessage("foo.bar", "bar.foo", "hello there");
|
||||
|
||||
Message message = fooSubscription.nextMessage(200);
|
||||
assertNotNull("No message!", message);
|
||||
assertEquals("hello there", new String(message.getData()));
|
||||
|
||||
client.publishMessage(message.getReplyTo(), message.getSubject(), "hello back");
|
||||
|
||||
message = barSubscription.nextMessage(200);
|
||||
assertNotNull("No message!", message);
|
||||
assertEquals("hello back", new String(message.getData()));
|
||||
}
|
||||
|
||||
|
||||
private NatsClient connectClient() {
|
||||
return new NatsClient();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenWildCardSubscription_andMatchTopic_MessageReceived() throws Exception {
|
||||
|
||||
NatsClient client = connectClient();
|
||||
|
||||
SyncSubscription fooSubscription = client.subscribeSync("foo.*");
|
||||
|
||||
client.publishMessage("foo.bar", "bar.foo", "hello there");
|
||||
|
||||
Message message = fooSubscription.nextMessage(200);
|
||||
assertNotNull("No message!", message);
|
||||
assertEquals("hello there", new String(message.getData()));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenWildCardSubscription_andNotMatchTopic_NoMessageReceived() throws Exception {
|
||||
|
||||
NatsClient client = connectClient();
|
||||
|
||||
SyncSubscription fooSubscription = client.subscribeSync("foo.*");
|
||||
|
||||
client.publishMessage("foo.bar.plop", "bar.foo", "hello there");
|
||||
|
||||
Message message = fooSubscription.nextMessage(200);
|
||||
assertNull("Got message!", message);
|
||||
|
||||
|
||||
SyncSubscription barSubscription = client.subscribeSync("foo.>");
|
||||
|
||||
client.publishMessage("foo.bar.plop", "bar.foo", "hello there");
|
||||
|
||||
message = barSubscription.nextMessage(200);
|
||||
assertNotNull("No message!", message);
|
||||
assertEquals("hello there", new String(message.getData()));
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
public void givenRequest_ReplyReceived() {
|
||||
|
||||
NatsClient client = connectClient();
|
||||
client.installReply("salary.requests", "denied!");
|
||||
|
||||
Message reply = client.makeRequest("salary.requests", "I need a raise.");
|
||||
assertNotNull("No message!", reply);
|
||||
assertEquals("denied!", new String(reply.getData()));
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenQueueMessage_OnlyOneReceived() throws Exception {
|
||||
|
||||
NatsClient client = connectClient();
|
||||
|
||||
SyncSubscription queue1 = client.joinQueueGroup("foo.bar.requests", "queue1");
|
||||
SyncSubscription queue2 = client.joinQueueGroup("foo.bar.requests", "queue1");
|
||||
|
||||
client.publishMessage("foo.bar.requests", "queuerequestor", "foobar");
|
||||
|
||||
List<Message> messages = new ArrayList<>();
|
||||
|
||||
Message message = queue1.nextMessage(200);
|
||||
|
||||
if (message != null) messages.add(message);
|
||||
message = queue2.nextMessage(200);
|
||||
|
||||
if (message != null) messages.add(message);
|
||||
assertEquals(1, messages.size());
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
@@ -1,167 +0,0 @@
|
||||
package com.baeldung.jool;
|
||||
|
||||
import org.jooq.lambda.Seq;
|
||||
import org.jooq.lambda.Unchecked;
|
||||
import org.jooq.lambda.function.Function1;
|
||||
import org.jooq.lambda.function.Function2;
|
||||
import org.jooq.lambda.tuple.Tuple2;
|
||||
import org.jooq.lambda.tuple.Tuple3;
|
||||
import org.jooq.lambda.tuple.Tuple4;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Objects;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.Stream;
|
||||
|
||||
import static junit.framework.Assert.assertTrue;
|
||||
import static junit.framework.TestCase.assertEquals;
|
||||
import static org.jooq.lambda.tuple.Tuple.tuple;
|
||||
|
||||
public class JOOLUnitTest {
|
||||
@Test
|
||||
public void givenSeq_whenCheckContains_shouldReturnTrue() {
|
||||
List<Integer> concat = Seq.of(1, 2, 3).concat(Seq.of(4, 5, 6)).toList();
|
||||
|
||||
assertEquals(concat, Arrays.asList(1, 2, 3, 4, 5, 6));
|
||||
|
||||
assertTrue(Seq.of(1, 2, 3, 4).contains(2));
|
||||
|
||||
assertTrue(Seq.of(1, 2, 3, 4).containsAll(2, 3));
|
||||
|
||||
assertTrue(Seq.of(1, 2, 3, 4).containsAny(2, 5));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenStreams_whenJoin_shouldHaveElementsFromTwoStreams() {
|
||||
// given
|
||||
Stream<Integer> left = Stream.of(1, 2, 4);
|
||||
Stream<Integer> right = Stream.of(1, 2, 3);
|
||||
|
||||
// when
|
||||
List<Integer> rightCollected = right.collect(Collectors.toList());
|
||||
List<Integer> collect = left.filter(rightCollected::contains).collect(Collectors.toList());
|
||||
|
||||
// then
|
||||
assertEquals(collect, Arrays.asList(1, 2));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenSeq_whenJoin_shouldHaveElementsFromBothSeq() {
|
||||
assertEquals(Seq.of(1, 2, 4).innerJoin(Seq.of(1, 2, 3), Objects::equals).toList(), Arrays.asList(tuple(1, 1), tuple(2, 2)));
|
||||
|
||||
assertEquals(Seq.of(1, 2, 4).leftOuterJoin(Seq.of(1, 2, 3), Objects::equals).toList(), Arrays.asList(tuple(1, 1), tuple(2, 2), tuple(4, null)));
|
||||
|
||||
assertEquals(Seq.of(1, 2, 4).rightOuterJoin(Seq.of(1, 2, 3), Objects::equals).toList(), Arrays.asList(tuple(1, 1), tuple(2, 2), tuple(null, 3)));
|
||||
|
||||
assertEquals(Seq.of(1, 2).crossJoin(Seq.of("A", "B")).toList(), Arrays.asList(tuple(1, "A"), tuple(1, "B"), tuple(2, "A"), tuple(2, "B")));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenSeq_whenManipulateSeq_seqShouldHaveNewElementsInIt() {
|
||||
assertEquals(Seq.of(1, 2, 3).cycle().limit(9).toList(), Arrays.asList(1, 2, 3, 1, 2, 3, 1, 2, 3));
|
||||
|
||||
assertEquals(Seq.of(1, 2, 3).duplicate().map((first, second) -> tuple(first.toList(), second.toList())), tuple(Arrays.asList(1, 2, 3), Arrays.asList(1, 2, 3)));
|
||||
|
||||
assertEquals(Seq.of(1, 2, 3, 4).intersperse(0).toList(), Arrays.asList(1, 0, 2, 0, 3, 0, 4));
|
||||
|
||||
assertEquals(Seq.of(1, 2, 3, 4, 5).shuffle().toList().size(), 5);
|
||||
|
||||
assertEquals(Seq.of(1, 2, 3, 4).partition(i -> i > 2).map((first, second) -> tuple(first.toList(), second.toList())), tuple(Arrays.asList(3, 4), Arrays.asList(1, 2))
|
||||
|
||||
);
|
||||
|
||||
assertEquals(Seq.of(1, 2, 3, 4).reverse().toList(), Arrays.asList(4, 3, 2, 1));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenSeq_whenGroupByAndFold_shouldReturnProperSeq() {
|
||||
|
||||
Map<Integer, List<Integer>> expectedAfterGroupBy = new HashMap<>();
|
||||
expectedAfterGroupBy.put(1, Arrays.asList(1, 3));
|
||||
expectedAfterGroupBy.put(0, Arrays.asList(2, 4));
|
||||
|
||||
assertEquals(Seq.of(1, 2, 3, 4).groupBy(i -> i % 2), expectedAfterGroupBy);
|
||||
|
||||
assertEquals(Seq.of("a", "b", "c").foldLeft("!", (u, t) -> u + t), "!abc");
|
||||
|
||||
assertEquals(Seq.of("a", "b", "c").foldRight("!", (t, u) -> t + u), "abc!");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenSeq_whenUsingSeqWhile_shouldBehaveAsWhileLoop() {
|
||||
|
||||
assertEquals(Seq.of(1, 2, 3, 4, 5).skipWhile(i -> i < 3).toList(), Arrays.asList(3, 4, 5));
|
||||
|
||||
assertEquals(Seq.of(1, 2, 3, 4, 5).skipUntil(i -> i == 3).toList(), Arrays.asList(3, 4, 5));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenSeq_whenZip_shouldHaveZippedSeq() {
|
||||
|
||||
assertEquals(Seq.of(1, 2, 3).zip(Seq.of("a", "b", "c")).toList(), Arrays.asList(tuple(1, "a"), tuple(2, "b"), tuple(3, "c")));
|
||||
|
||||
assertEquals(Seq.of(1, 2, 3).zip(Seq.of("a", "b", "c"), (x, y) -> x + ":" + y).toList(), Arrays.asList("1:a", "2:b", "3:c"));
|
||||
|
||||
assertEquals(Seq.of("a", "b", "c").zipWithIndex().toList(), Arrays.asList(tuple("a", 0L), tuple("b", 1L), tuple("c", 2L)));
|
||||
}
|
||||
|
||||
public Integer methodThatThrowsChecked(String arg) throws Exception {
|
||||
return arg.length();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenOperationThatThrowsCheckedException_whenExecuteAndNeedToWrapCheckedIntoUnchecked_shouldPass() {
|
||||
// when
|
||||
List<Integer> collect = Stream.of("a", "b", "c").map(elem -> {
|
||||
try {
|
||||
return methodThatThrowsChecked(elem);
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}).collect(Collectors.toList());
|
||||
|
||||
// then
|
||||
assertEquals(collect, Arrays.asList(1, 1, 1));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenOperationThatThrowsCheckedException_whenExecuteUsingUncheckedFuction_shouldPass() {
|
||||
// when
|
||||
List<Integer> collect = Stream.of("a", "b", "c").map(Unchecked.function(this::methodThatThrowsChecked)).collect(Collectors.toList());
|
||||
|
||||
// then
|
||||
assertEquals(collect, Arrays.asList(1, 1, 1));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFunction_whenAppliedPartially_shouldAddNumberToPartialArgument() {
|
||||
// given
|
||||
Function2<Integer, Integer, Integer> addTwoNumbers = (v1, v2) -> v1 + v2;
|
||||
addTwoNumbers.toBiFunction();
|
||||
Function1<Integer, Integer> addToTwo = addTwoNumbers.applyPartially(2);
|
||||
|
||||
// when
|
||||
Integer result = addToTwo.apply(5);
|
||||
|
||||
// then
|
||||
assertEquals(result, (Integer) 7);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenSeqOfTuples_whenTransformToLowerNumberOfTuples_shouldHaveProperResult() {
|
||||
// given
|
||||
Seq<Tuple3<String, String, Integer>> personDetails = Seq.of(tuple("michael", "similar", 49), tuple("jodie", "variable", 43));
|
||||
Tuple2<String, String> tuple = tuple("winter", "summer");
|
||||
|
||||
// when
|
||||
List<Tuple4<String, String, String, String>> result = personDetails.map(t -> t.limit2().concat(tuple)).toList();
|
||||
|
||||
// then
|
||||
assertEquals(result, Arrays.asList(tuple("michael", "similar", "winter", "summer"), tuple("jodie", "variable", "winter", "summer")));
|
||||
}
|
||||
}
|
||||
@@ -1,61 +0,0 @@
|
||||
package com.baeldung.kafkastreams;
|
||||
|
||||
import org.apache.kafka.clients.consumer.ConsumerConfig;
|
||||
import org.apache.kafka.common.serialization.Serde;
|
||||
import org.apache.kafka.common.serialization.Serdes;
|
||||
import org.apache.kafka.streams.KafkaStreams;
|
||||
import org.apache.kafka.streams.StreamsBuilder;
|
||||
import org.apache.kafka.streams.StreamsConfig;
|
||||
import org.apache.kafka.streams.Topology;
|
||||
import org.apache.kafka.streams.kstream.KStream;
|
||||
import org.apache.kafka.streams.kstream.KTable;
|
||||
import org.apache.kafka.streams.kstream.Produced;
|
||||
import org.apache.kafka.test.TestUtils;
|
||||
import org.junit.Ignore;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Properties;
|
||||
import java.util.regex.Pattern;
|
||||
|
||||
public class KafkaStreamsLiveTest {
|
||||
private String bootstrapServers = "localhost:9092";
|
||||
|
||||
@Test
|
||||
@Ignore("it needs to have kafka broker running on local")
|
||||
public void shouldTestKafkaStreams() throws InterruptedException {
|
||||
// given
|
||||
String inputTopic = "inputTopic";
|
||||
|
||||
Properties streamsConfiguration = new Properties();
|
||||
streamsConfiguration.put(StreamsConfig.APPLICATION_ID_CONFIG, "wordcount-live-test");
|
||||
streamsConfiguration.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers);
|
||||
streamsConfiguration.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, Serdes.String().getClass().getName());
|
||||
streamsConfiguration.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, Serdes.String().getClass().getName());
|
||||
streamsConfiguration.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, 1000);
|
||||
streamsConfiguration.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
|
||||
// Use a temporary directory for storing state, which will be automatically removed after the test.
|
||||
streamsConfiguration.put(StreamsConfig.STATE_DIR_CONFIG, TestUtils.tempDirectory().getAbsolutePath());
|
||||
|
||||
// when
|
||||
StreamsBuilder builder = new StreamsBuilder();
|
||||
KStream<String, String> textLines = builder.stream(inputTopic);
|
||||
Pattern pattern = Pattern.compile("\\W+", Pattern.UNICODE_CHARACTER_CLASS);
|
||||
|
||||
KTable<String, Long> wordCounts = textLines.flatMapValues(value -> Arrays.asList(pattern.split(value.toLowerCase()))).groupBy((key, word) -> word).count();
|
||||
|
||||
textLines.foreach((word, count) -> System.out.println("word: " + word + " -> " + count));
|
||||
|
||||
String outputTopic = "outputTopic";
|
||||
final Serde<String> stringSerde = Serdes.String();
|
||||
final Serde<String> longSerde = Serdes.String();
|
||||
textLines.to(outputTopic, Produced.with(stringSerde,longSerde));
|
||||
|
||||
KafkaStreams streams = new KafkaStreams(new Topology(), streamsConfiguration);
|
||||
streams.start();
|
||||
|
||||
// then
|
||||
Thread.sleep(30000);
|
||||
streams.close();
|
||||
}
|
||||
}
|
||||
@@ -1,62 +0,0 @@
|
||||
package com.baeldung.pact;
|
||||
|
||||
import au.com.dius.pact.consumer.Pact;
|
||||
import au.com.dius.pact.consumer.PactProviderRuleMk2;
|
||||
import au.com.dius.pact.consumer.PactVerification;
|
||||
import au.com.dius.pact.consumer.dsl.PactDslWithProvider;
|
||||
import au.com.dius.pact.model.RequestResponsePact;
|
||||
|
||||
import org.junit.Ignore;
|
||||
import org.junit.Rule;
|
||||
import org.junit.Test;
|
||||
import org.springframework.http.HttpEntity;
|
||||
import org.springframework.http.HttpHeaders;
|
||||
import org.springframework.http.HttpMethod;
|
||||
import org.springframework.http.MediaType;
|
||||
import org.springframework.http.ResponseEntity;
|
||||
import org.springframework.web.client.RestTemplate;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
public class PactConsumerDrivenContractUnitTest {
|
||||
|
||||
@Rule
|
||||
public PactProviderRuleMk2 mockProvider = new PactProviderRuleMk2("test_provider", "localhost", 8080, this);
|
||||
|
||||
@Pact(consumer = "test_consumer")
|
||||
public RequestResponsePact createPact(PactDslWithProvider builder) {
|
||||
Map<String, String> headers = new HashMap<String, String>();
|
||||
headers.put("Content-Type", "application/json");
|
||||
|
||||
return builder.given("test GET").uponReceiving("GET REQUEST").path("/pact").method("GET").willRespondWith().status(200).headers(headers).body("{\"condition\": true, \"name\": \"tom\"}").given("test POST").uponReceiving("POST REQUEST").method("POST")
|
||||
.headers(headers).body("{\"name\": \"Michael\"}").path("/pact").willRespondWith().status(201).toPact();
|
||||
}
|
||||
|
||||
@Test
|
||||
@Ignore
|
||||
@PactVerification()
|
||||
public void givenGet_whenSendRequest_shouldReturn200WithProperHeaderAndBody() {
|
||||
// when
|
||||
ResponseEntity<String> response = new RestTemplate().getForEntity(mockProvider.getUrl() + "/pact", String.class);
|
||||
|
||||
// then
|
||||
assertThat(response.getStatusCode().value()).isEqualTo(200);
|
||||
assertThat(response.getHeaders().get("Content-Type").contains("application/json")).isTrue();
|
||||
assertThat(response.getBody()).contains("condition", "true", "name", "tom");
|
||||
|
||||
// and
|
||||
HttpHeaders httpHeaders = new HttpHeaders();
|
||||
httpHeaders.setContentType(MediaType.APPLICATION_JSON);
|
||||
String jsonBody = "{\"name\": \"Michael\"}";
|
||||
|
||||
// when
|
||||
ResponseEntity<String> postResponse = new RestTemplate().exchange(mockProvider.getUrl() + "/pact", HttpMethod.POST, new HttpEntity<>(jsonBody, httpHeaders), String.class);
|
||||
|
||||
// then
|
||||
assertThat(postResponse.getStatusCode().value()).isEqualTo(201);
|
||||
}
|
||||
|
||||
}
|
||||
@@ -1,50 +0,0 @@
|
||||
package com.baeldung.reflections;
|
||||
|
||||
import static org.junit.jupiter.api.Assertions.assertFalse;
|
||||
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
public class ReflectionsUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenTypeThenGetAllSubTypes() {
|
||||
ReflectionsApp reflectionsApp = new ReflectionsApp();
|
||||
assertFalse(reflectionsApp.getReflectionsSubTypes()
|
||||
.isEmpty());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTypeAndUsingBuilderThenGetAllSubTypes() {
|
||||
ReflectionsApp reflectionsApp = new ReflectionsApp();
|
||||
assertFalse(reflectionsApp.getReflectionsSubTypesUsingBuilder()
|
||||
.isEmpty());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAnnotationThenGetAllAnnotatedMethods() {
|
||||
ReflectionsApp reflectionsApp = new ReflectionsApp();
|
||||
assertFalse(reflectionsApp.getDateDeprecatedMethods()
|
||||
.isEmpty());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenAnnotationThenGetAllAnnotatedConstructors() {
|
||||
ReflectionsApp reflectionsApp = new ReflectionsApp();
|
||||
assertFalse(reflectionsApp.getDateDeprecatedConstructors()
|
||||
.isEmpty());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenParamTypeThenGetAllMethods() {
|
||||
ReflectionsApp reflectionsApp = new ReflectionsApp();
|
||||
assertFalse(reflectionsApp.getMethodsWithDateParam()
|
||||
.isEmpty());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenReturnTypeThenGetAllMethods() {
|
||||
ReflectionsApp reflectionsApp = new ReflectionsApp();
|
||||
assertFalse(reflectionsApp.getMethodsWithVoidReturn()
|
||||
.isEmpty());
|
||||
}
|
||||
}
|
||||
@@ -1,126 +0,0 @@
|
||||
package com.baeldung.resilience4j;
|
||||
|
||||
import io.github.resilience4j.bulkhead.Bulkhead;
|
||||
import io.github.resilience4j.bulkhead.BulkheadConfig;
|
||||
import io.github.resilience4j.bulkhead.BulkheadRegistry;
|
||||
import io.github.resilience4j.circuitbreaker.CircuitBreaker;
|
||||
import io.github.resilience4j.circuitbreaker.CircuitBreakerConfig;
|
||||
import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
|
||||
import io.github.resilience4j.retry.Retry;
|
||||
import io.github.resilience4j.retry.RetryConfig;
|
||||
import io.github.resilience4j.retry.RetryRegistry;
|
||||
import io.github.resilience4j.timelimiter.TimeLimiter;
|
||||
import io.github.resilience4j.timelimiter.TimeLimiterConfig;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.time.Duration;
|
||||
import java.util.concurrent.*;
|
||||
import java.util.function.Function;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
import static org.assertj.core.api.Assertions.fail;
|
||||
import static org.mockito.ArgumentMatchers.any;
|
||||
import static org.mockito.Mockito.*;
|
||||
|
||||
public class Resilience4jUnitTest {
|
||||
|
||||
interface RemoteService {
|
||||
|
||||
int process(int i);
|
||||
}
|
||||
|
||||
private RemoteService service;
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
service = mock(RemoteService.class);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenCircuitBreakerIsUsed_thenItWorksAsExpected() {
|
||||
CircuitBreakerConfig config = CircuitBreakerConfig.custom()
|
||||
// Percentage of failures to start short-circuit
|
||||
.failureRateThreshold(20)
|
||||
// Min number of call attempts
|
||||
.ringBufferSizeInClosedState(5)
|
||||
.build();
|
||||
CircuitBreakerRegistry registry = CircuitBreakerRegistry.of(config);
|
||||
CircuitBreaker circuitBreaker = registry.circuitBreaker("my");
|
||||
Function<Integer, Integer> decorated = CircuitBreaker.decorateFunction(circuitBreaker, service::process);
|
||||
|
||||
when(service.process(anyInt())).thenThrow(new RuntimeException());
|
||||
|
||||
for (int i = 0; i < 10; i++) {
|
||||
try {
|
||||
decorated.apply(i);
|
||||
} catch (Exception ignore) {
|
||||
}
|
||||
}
|
||||
|
||||
verify(service, times(5)).process(any(Integer.class));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenBulkheadIsUsed_thenItWorksAsExpected() throws InterruptedException {
|
||||
BulkheadConfig config = BulkheadConfig.custom().maxConcurrentCalls(1).build();
|
||||
BulkheadRegistry registry = BulkheadRegistry.of(config);
|
||||
Bulkhead bulkhead = registry.bulkhead("my");
|
||||
Function<Integer, Integer> decorated = Bulkhead.decorateFunction(bulkhead, service::process);
|
||||
|
||||
Future<?> taskInProgress = callAndBlock(decorated);
|
||||
try {
|
||||
assertThat(bulkhead.isCallPermitted()).isFalse();
|
||||
} finally {
|
||||
taskInProgress.cancel(true);
|
||||
}
|
||||
}
|
||||
|
||||
private Future<?> callAndBlock(Function<Integer, Integer> decoratedService) throws InterruptedException {
|
||||
CountDownLatch latch = new CountDownLatch(1);
|
||||
when(service.process(anyInt())).thenAnswer(invocation -> {
|
||||
latch.countDown();
|
||||
Thread.currentThread().join();
|
||||
return null;
|
||||
});
|
||||
|
||||
ForkJoinTask<?> result = ForkJoinPool.commonPool().submit(() -> {
|
||||
decoratedService.apply(1);
|
||||
});
|
||||
latch.await();
|
||||
return result;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void whenRetryIsUsed_thenItWorksAsExpected() {
|
||||
RetryConfig config = RetryConfig.custom().maxAttempts(2).build();
|
||||
RetryRegistry registry = RetryRegistry.of(config);
|
||||
Retry retry = registry.retry("my");
|
||||
Function<Integer, Void> decorated = Retry.decorateFunction(retry, (Integer s) -> {
|
||||
service.process(s);
|
||||
return null;
|
||||
});
|
||||
|
||||
when(service.process(anyInt())).thenThrow(new RuntimeException());
|
||||
try {
|
||||
decorated.apply(1);
|
||||
fail("Expected an exception to be thrown if all retries failed");
|
||||
} catch (Exception e) {
|
||||
verify(service, times(2)).process(any(Integer.class));
|
||||
}
|
||||
}
|
||||
|
||||
@SuppressWarnings("unchecked")
|
||||
@Test
|
||||
public void whenTimeLimiterIsUsed_thenItWorksAsExpected() throws Exception {
|
||||
long ttl = 1;
|
||||
TimeLimiterConfig config = TimeLimiterConfig.custom().timeoutDuration(Duration.ofMillis(ttl)).build();
|
||||
TimeLimiter timeLimiter = TimeLimiter.of(config);
|
||||
|
||||
Future futureMock = mock(Future.class);
|
||||
Callable restrictedCall = TimeLimiter.decorateFutureSupplier(timeLimiter, () -> futureMock);
|
||||
restrictedCall.call();
|
||||
|
||||
verify(futureMock).get(ttl, TimeUnit.MILLISECONDS);
|
||||
}
|
||||
}
|
||||
@@ -1,47 +0,0 @@
|
||||
package com.baeldung.stream;
|
||||
|
||||
import one.util.streamex.StreamEx;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.Stream;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
public class StreamExMergeStreamsUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenTwoStreams_whenMergingStreams_thenResultingStreamContainsElementsFromBothStreams() {
|
||||
Stream<Integer> stream1 = Stream.of(1, 3, 5);
|
||||
Stream<Integer> stream2 = Stream.of(2, 4, 6);
|
||||
|
||||
Stream<Integer> resultingStream = StreamEx.of(stream1).append(stream2);
|
||||
|
||||
assertEquals(Arrays.asList(1, 3, 5, 2, 4, 6), resultingStream.collect(Collectors.toList()));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenFourStreams_whenMergingStreams_thenResultingStreamContainsElementsFromAllStreams() {
|
||||
Stream<Integer> stream1 = Stream.of(1, 3, 5);
|
||||
Stream<Integer> stream2 = Stream.of(2, 4, 6);
|
||||
Stream<Integer> stream3 = Stream.of(18, 15, 36);
|
||||
Stream<Integer> stream4 = Stream.of(99);
|
||||
|
||||
Stream<Integer> resultingStream = StreamEx.of(stream1).append(stream2).append(stream3).append(stream4);
|
||||
|
||||
assertEquals(Arrays.asList(1, 3, 5, 2, 4, 6, 18, 15, 36, 99), resultingStream.collect(Collectors.toList()));
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenThreeStreams_whenAppendingAndPrependingStreams_thenResultingStreamContainsElementsFromAllStreams() {
|
||||
Stream<String> stream1 = Stream.of("foo", "bar");
|
||||
Stream<String> openingBracketStream = Stream.of("[");
|
||||
Stream<String> closingBracketStream = Stream.of("]");
|
||||
|
||||
Stream<String> resultingStream = StreamEx.of(stream1).append(closingBracketStream).prepend(openingBracketStream);
|
||||
|
||||
assertEquals(Arrays.asList("[", "foo", "bar", "]"), resultingStream.collect(Collectors.toList()));
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user