diff --git a/pom.xml b/pom.xml index 34b55fd1f4..e120620c30 100644 --- a/pom.xml +++ b/pom.xml @@ -905,6 +905,7 @@ json jsoup testing-modules/junit-5 + testing-modules/junit5-migration jws libraries-data linkrest diff --git a/testing-modules/junit-5/pom.xml b/testing-modules/junit-5/pom.xml index 2ef290a7c1..f9ea34ca72 100644 --- a/testing-modules/junit-5/pom.xml +++ b/testing-modules/junit-5/pom.xml @@ -33,6 +33,12 @@ ${junit.vintage.version} test + + org.junit.jupiter + junit-jupiter-migrationsupport + ${junit.vintage.version} + test + org.apache.logging.log4j log4j-core diff --git a/testing-modules/junit-5/src/test/java/com/baeldung/AssertionUnitTest.java b/testing-modules/junit-5/src/test/java/com/baeldung/AssertionUnitTest.java index 79ba882205..31b6e14d6c 100644 --- a/testing-modules/junit-5/src/test/java/com/baeldung/AssertionUnitTest.java +++ b/testing-modules/junit-5/src/test/java/com/baeldung/AssertionUnitTest.java @@ -11,14 +11,17 @@ import java.util.Optional; import java.util.function.BooleanSupplier; import org.junit.jupiter.api.Disabled; +import org.junit.jupiter.api.DisplayName; import org.junit.jupiter.api.Test; /** * Unit test that demonstrate the different assertions available within JUnit 4 */ +@DisplayName("Test case for assertions") public class AssertionUnitTest { @Test + @DisplayName("Arrays should be equals") public void whenAssertingArraysEquality_thenEqual() { char[] expected = {'J', 'u', 'p', 'i', 't', 'e', 'r'}; char[] actual = "Jupiter".toCharArray(); @@ -27,6 +30,7 @@ public class AssertionUnitTest { } @Test + @DisplayName("The area of two polygons should be equal") public void whenAssertingEquality_thenEqual() { float square = 2 * 2; float rectangle = 2 * 2; diff --git a/testing-modules/junit-5/src/test/java/com/baeldung/NestedUnitTest.java b/testing-modules/junit-5/src/test/java/com/baeldung/NestedUnitTest.java index 7586a2f51a..299cac2480 100644 --- a/testing-modules/junit-5/src/test/java/com/baeldung/NestedUnitTest.java +++ b/testing-modules/junit-5/src/test/java/com/baeldung/NestedUnitTest.java @@ -10,13 +10,13 @@ import org.junit.jupiter.api.Nested; import org.junit.jupiter.api.Test; public class NestedUnitTest { + Stack stack; - boolean isRun = false; @Test @DisplayName("is instantiated with new Stack()") void isInstantiatedWithNew() { - new Stack(); + new Stack<>(); } @Nested @@ -25,7 +25,7 @@ public class NestedUnitTest { @BeforeEach void init() { - stack = new Stack(); + stack = new Stack<>(); } @Test diff --git a/testing-modules/junit-5/src/test/java/com/baeldung/AssumptionUnitTest.java b/testing-modules/junit-5/src/test/java/com/baeldung/migration/junit5/AssumptionUnitTest.java similarity index 69% rename from testing-modules/junit-5/src/test/java/com/baeldung/AssumptionUnitTest.java rename to testing-modules/junit-5/src/test/java/com/baeldung/migration/junit5/AssumptionUnitTest.java index 7d67d93486..80201a3f44 100644 --- a/testing-modules/junit-5/src/test/java/com/baeldung/AssumptionUnitTest.java +++ b/testing-modules/junit-5/src/test/java/com/baeldung/migration/junit5/AssumptionUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung; +package com.baeldung.migration.junit5; import static org.junit.jupiter.api.Assertions.assertEquals; import static org.junit.jupiter.api.Assumptions.assumeFalse; @@ -10,19 +10,19 @@ import org.junit.jupiter.api.Test; public class AssumptionUnitTest { @Test - void trueAssumption() { - assumeTrue(5 > 1); + public void trueAssumption() { + assumeTrue(5 > 1, () -> "5 is greater the 1"); assertEquals(5 + 2, 7); } @Test - void falseAssumption() { - assumeFalse(5 < 1); + public void falseAssumption() { + assumeFalse(5 < 1, () -> "5 is less then 1"); assertEquals(5 + 2, 7); } @Test - void assumptionThat() { + public void assumptionThat() { String someString = "Just a string"; assumingThat(someString.equals("Just a string"), () -> assertEquals(2 + 2, 4)); } diff --git a/testing-modules/junit5-migration/README.md b/testing-modules/junit5-migration/README.md new file mode 100644 index 0000000000..5fe7fc1f16 --- /dev/null +++ b/testing-modules/junit5-migration/README.md @@ -0,0 +1,3 @@ +### Relevant Articles: +- [JUnit4 -> JUnit5 migration guide](http://www.baeldung.com/junit4-junit5-migration-guide) + diff --git a/testing-modules/junit5-migration/pom.xml b/testing-modules/junit5-migration/pom.xml new file mode 100644 index 0000000000..ae46b479bb --- /dev/null +++ b/testing-modules/junit5-migration/pom.xml @@ -0,0 +1,90 @@ + + + + 4.0.0 + + junit5-migration + 1.0-SNAPSHOT + junit5-migration + JUnit 4 -> JUnit 5 migration + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + ../../ + + + + + org.junit.platform + junit-platform-engine + ${junit.platform.version} + + + org.junit.platform + junit-platform-runner + ${junit.platform.version} + test + + + org.junit.vintage + junit-vintage-engine + ${junit.vintage.version} + test + + + org.junit.jupiter + junit-jupiter-migrationsupport + ${junit.vintage.version} + test + + + + + + + src/test/resources + true + + + + + maven-surefire-plugin + ${maven-surefire-plugin.version} + + + org.junit.platform + junit-platform-surefire-provider + ${junit.platform.version} + + + + + org.codehaus.mojo + exec-maven-plugin + ${exec-maven-plugin.version} + + + + java + + + + + com.baeldung.TestLauncher + + + + + + + 5.1.0 + 1.1.0 + 5.2.0 + 2.19.1 + 1.6.0 + + + diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/AnnotationTestExampleUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/AnnotationTestExampleUnitTest.java new file mode 100644 index 0000000000..a5f5c19c65 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/AnnotationTestExampleUnitTest.java @@ -0,0 +1,22 @@ +package com.baeldung.junit4; + +import com.baeldung.junit4.categories.Annotations; +import com.baeldung.junit4.categories.JUnit4UnitTest; +import org.junit.Ignore; +import org.junit.Test; +import org.junit.experimental.categories.Category; + +@Category(value = { Annotations.class, JUnit4UnitTest.class }) +public class AnnotationTestExampleUnitTest { + @Test(expected = Exception.class) + public void shouldRaiseAnException() throws Exception { + throw new Exception("This is my expected exception"); + } + + @Test(timeout = 1) + @Ignore + public void shouldFailBecauseTimeout() throws InterruptedException { + Thread.sleep(10); + } + +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/AssertionUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/AssertionUnitTest.java new file mode 100644 index 0000000000..8979c9ecbc --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/AssertionUnitTest.java @@ -0,0 +1,36 @@ +package com.baeldung.junit4; + +import org.junit.Assert; +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; + +import java.util.Arrays; + +import static org.hamcrest.CoreMatchers.hasItems; +import static org.junit.Assert.*; +import static org.junit.Assert.assertArrayEquals; + +@DisplayName("Test case for assertions") +public class AssertionUnitTest { + + @Test + @DisplayName("Arrays should be equals") + public void whenAssertingArraysEquality_thenEqual() { + char[] expected = {'J', 'u', 'p', 'i', 't', 'e', 'r'}; + char[] actual = "Jupiter".toCharArray(); + + assertArrayEquals("Arrays should be equal", expected, actual); + } + + @Test + public void givenMultipleAssertion_whenAssertingAll_thenOK() { + assertEquals("4 is 2 times 2", 4, 2 * 2); + assertEquals("java", "JAVA".toLowerCase()); + assertEquals("null is equal to null", null, null); + } + + @Test + public void testAssertThatHasItems() { + assertThat(Arrays.asList("Java", "Kotlin", "Scala"), hasItems("Java", "Kotlin")); + } +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/AssumeUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/AssumeUnitTest.java new file mode 100644 index 0000000000..f7730a3dd8 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/AssumeUnitTest.java @@ -0,0 +1,23 @@ +package com.baeldung.junit4; + + +import org.junit.Test; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assume.assumeFalse; +import static org.junit.Assume.assumeTrue; + +public class AssumeUnitTest { + + @Test + public void trueAssumption() { + assumeTrue("5 is greater the 1", 5 > 1); + assertEquals(5 + 2, 7); + } + + @Test + public void falseAssumption() { + assumeFalse("5 is less then 1", 5 < 1); + assertEquals(5 + 2, 7); + } +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/ExceptionAssertionUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/ExceptionAssertionUnitTest.java new file mode 100644 index 0000000000..38e7f640a2 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/ExceptionAssertionUnitTest.java @@ -0,0 +1,24 @@ +package com.baeldung.junit4; + +import org.junit.Rule; +import org.junit.Test; +import org.junit.rules.ExpectedException; + +public class ExceptionAssertionUnitTest { + + @Rule + public ExpectedException exceptionRule = ExpectedException.none(); + + @Test(expected = NullPointerException.class) + public void whenExceptionThrown_thenExpectationSatisfied() { + String test = null; + test.length(); + } + + @Test + public void whenExceptionThrown_thenRuleIsApplied() { + exceptionRule.expect(NumberFormatException.class); + exceptionRule.expectMessage("For input string"); + Integer.parseInt("1a"); + } +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/RuleExampleUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/RuleExampleUnitTest.java new file mode 100644 index 0000000000..35f96b4f6a --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/RuleExampleUnitTest.java @@ -0,0 +1,16 @@ +package com.baeldung.junit4; + +import org.junit.Rule; +import org.junit.Test; + +public class RuleExampleUnitTest { + + @Rule + public final TraceUnitTestRule traceRuleTests = new TraceUnitTestRule(); + + @Test + public void whenTracingTests() { + System.out.println("This is my test"); + /*...*/ + } +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/TestAnnotationsUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/TestAnnotationsUnitTest.java new file mode 100644 index 0000000000..89c33cafe6 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/TestAnnotationsUnitTest.java @@ -0,0 +1,34 @@ +package com.baeldung.junit4; + +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Before; +import org.junit.BeforeClass; + +import java.util.logging.Logger; + +public class TestAnnotationsUnitTest { + + private static final Logger log = Logger.getLogger(TestAnnotationsUnitTest.class.getName()); + + @BeforeClass + static void setup() { + log.info("@BeforeAll - executes once before all test methods in this class"); + } + + @Before + void init() { + log.info("@BeforeEach - executes before each test method in this class"); + } + + @After + void tearDown() { + log.info("@AfterEach - executed after each test method."); + } + + @AfterClass + static void done() { + log.info("@AfterAll - executed after all test methods."); + } + +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/TraceUnitTestRule.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/TraceUnitTestRule.java new file mode 100644 index 0000000000..9f4811da3d --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/TraceUnitTestRule.java @@ -0,0 +1,35 @@ +package com.baeldung.junit4; + +import org.junit.rules.TestRule; +import org.junit.runner.Description; +import org.junit.runners.model.MultipleFailureException; +import org.junit.runners.model.Statement; + +import java.util.ArrayList; +import java.util.List; + +public class TraceUnitTestRule implements TestRule { + + @Override + public Statement apply(Statement base, Description description) { + + return new Statement() { + @Override + public void evaluate() throws Throwable { + List errors = new ArrayList(); + + System.out.println("Starting test ... " + description.getMethodName()); + try { + base.evaluate(); + } catch (Throwable e) { + errors.add(e); + } finally { + System.out.println("... test finished. " + description.getMethodName()); + } + + MultipleFailureException.assertEmpty(errors); + } + }; + } + +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/categories/Annotations.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/categories/Annotations.java new file mode 100644 index 0000000000..22214d95b6 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/categories/Annotations.java @@ -0,0 +1,5 @@ +package com.baeldung.junit4.categories; + +public interface Annotations { + +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/categories/JUnit4UnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/categories/JUnit4UnitTest.java new file mode 100644 index 0000000000..a7474d5f24 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit4/categories/JUnit4UnitTest.java @@ -0,0 +1,5 @@ +package com.baeldung.junit4.categories; + +public interface JUnit4UnitTest { + +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/AnnotationTestExampleUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/AnnotationTestExampleUnitTest.java new file mode 100644 index 0000000000..16de0be9d8 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/AnnotationTestExampleUnitTest.java @@ -0,0 +1,28 @@ +package com.baeldung.junit5; + +import org.junit.jupiter.api.Assertions; +import org.junit.jupiter.api.Disabled; +import org.junit.jupiter.api.Tag; +import org.junit.jupiter.api.Test; +import org.junit.platform.runner.JUnitPlatform; +import org.junit.runner.RunWith; + +import java.time.Duration; + +@Tag("annotations") +@Tag("junit5") +@RunWith(JUnitPlatform.class) +public class AnnotationTestExampleUnitTest { + @Test + public void shouldRaiseAnException() throws Exception { + Assertions.assertThrows(Exception.class, () -> { + throw new Exception("This is my expected exception"); + }); + } + + @Test + @Disabled + public void shouldFailBecauseTimeout() throws InterruptedException { + Assertions.assertTimeout(Duration.ofMillis(1), () -> Thread.sleep(10)); + } +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/AssertionUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/AssertionUnitTest.java new file mode 100644 index 0000000000..d1d08c6e62 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/AssertionUnitTest.java @@ -0,0 +1,40 @@ +package com.baeldung.junit5; + +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; + +import static org.junit.jupiter.api.Assertions.assertAll; +import static org.junit.jupiter.api.Assertions.assertArrayEquals; +import static org.junit.jupiter.api.Assertions.assertEquals; + +@DisplayName("Test case for assertions") +public class AssertionUnitTest { + + @Test + @DisplayName("Arrays should be equals") + public void whenAssertingArraysEquality_thenEqual() { + char[] expected = {'J', 'u', 'p', 'i', 't', 'e', 'r'}; + char[] actual = "Jupiter".toCharArray(); + + assertArrayEquals(expected, actual, "Arrays should be equal"); + } + + @Test + @DisplayName("The area of two polygons should be equal") + public void whenAssertingEquality_thenEqual() { + float square = 2 * 2; + float rectangle = 2 * 2; + + assertEquals(square, rectangle); + } + + @Test + public void givenMultipleAssertion_whenAssertingAll_thenOK() { + assertAll( + "heading", + () -> assertEquals(4, 2 * 2, "4 is 2 times 2"), + () -> assertEquals("java", "JAVA".toLowerCase()), + () -> assertEquals(null, null, "null is equal to null") + ); + } +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/AssumptionUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/AssumptionUnitTest.java new file mode 100644 index 0000000000..4f3d827403 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/AssumptionUnitTest.java @@ -0,0 +1,27 @@ +package com.baeldung.junit5; + +import org.junit.jupiter.api.Test; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assumptions.*; + +public class AssumptionUnitTest { + + @Test + public void trueAssumption() { + assumeTrue(5 > 1, () -> "5 is greater the 1"); + assertEquals(5 + 2, 7); + } + + @Test + public void falseAssumption() { + assumeFalse(5 < 1, () -> "5 is less then 1"); + assertEquals(5 + 2, 7); + } + + @Test + public void assumptionThat() { + String someString = "Just a string"; + assumingThat(someString.equals("Just a string"), () -> assertEquals(2 + 2, 4)); + } +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/ConditionalExecutionUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/ConditionalExecutionUnitTest.java new file mode 100644 index 0000000000..7f76e237f1 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/ConditionalExecutionUnitTest.java @@ -0,0 +1,69 @@ +package com.baeldung.junit5; + +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.condition.*; + +import static org.junit.jupiter.api.Assertions.*; + +public class ConditionalExecutionUnitTest { + + @Test + @EnabledOnOs({OS.MAC}) + void whenOperatingSystemIsMac_thenTestIsEnabled() { + assertEquals(5 + 2, 7); + } + + @Test + @DisabledOnOs({OS.WINDOWS}) + void whenOperatingSystemIsWindows_thenTestIsDisabled() { + assertEquals(5 + 2, 7); + } + + @Test + @EnabledOnJre({JRE.JAVA_8}) + void whenRunningTestsOnJRE8_thenTestIsEnabled() { + assertTrue(5 > 4, "5 is greater the 4"); + assertTrue(null == null, "null is equal to null"); + } + + @Test + @DisabledOnJre({JRE.JAVA_10}) + void whenRunningTestsOnJRE10_thenTestIsDisabled() { + assertTrue(5 > 4, "5 is greater the 4"); + assertTrue(null == null, "null is equal to null"); + } + + @Test + @EnabledIfSystemProperty(named = "os.arch", matches = ".*64.*") + public void whenRunningTestsOn64BitArchitectures_thenTestIsDisabled() { + Integer value = 5; // result of an algorithm + + assertNotEquals(0, value, "The result cannot be 0"); + } + + @Test + @DisabledIfSystemProperty(named = "ci-server", matches = "true") + public void whenRunningTestsOnCIServer_thenTestIsDisabled() { + Integer value = 5; // result of an algorithm + + assertNotEquals(0, value, "The result cannot be 0"); + } + + @Test + @EnabledIfEnvironmentVariable(named = "ENV", matches = "staging-server") + public void whenRunningTestsStagingServer_thenTestIsEnabled() { + char[] expected = {'J', 'u', 'p', 'i', 't', 'e', 'r'}; + char[] actual = "Jupiter".toCharArray(); + + assertArrayEquals(expected, actual, "Arrays should be equal"); + } + + @Test + @DisabledIfEnvironmentVariable(named = "ENV", matches = ".*development.*") + public void whenRunningTestsDevelopmentEnvironment_thenTestIsDisabled() { + char[] expected = {'J', 'u', 'p', 'i', 't', 'e', 'r'}; + char[] actual = "Jupiter".toCharArray(); + + assertArrayEquals(expected, actual, "Arrays should be equal"); + } +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/NestedUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/NestedUnitTest.java new file mode 100644 index 0000000000..9eeff471ba --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/NestedUnitTest.java @@ -0,0 +1,77 @@ +package com.baeldung.junit5; + +import org.junit.jupiter.api.*; + +import java.util.EmptyStackException; +import java.util.Stack; + +public class NestedUnitTest { + + Stack stack; + + @Test + @DisplayName("is instantiated with new Stack()") + void isInstantiatedWithNew() { + new Stack<>(); + } + + @Nested + @DisplayName("when new") + class WhenNew { + + @BeforeEach + void init() { + stack = new Stack<>(); + } + + @Test + @DisplayName("is empty") + void isEmpty() { + Assertions.assertTrue(stack.isEmpty()); + } + + @Test + @DisplayName("throws EmptyStackException when popped") + void throwsExceptionWhenPopped() { + Assertions.assertThrows(EmptyStackException.class, () -> stack.pop()); + } + + @Test + @DisplayName("throws EmptyStackException when peeked") + void throwsExceptionWhenPeeked() { + Assertions.assertThrows(EmptyStackException.class, () -> stack.peek()); + } + + @Nested + @DisplayName("after pushing an element") + class AfterPushing { + + String anElement = "an element"; + + @BeforeEach + void init() { + stack.push(anElement); + } + + @Test + @DisplayName("it is no longer empty") + void isEmpty() { + Assertions.assertFalse(stack.isEmpty()); + } + + @Test + @DisplayName("returns the element when popped and is empty") + void returnElementWhenPopped() { + Assertions.assertEquals(anElement, stack.pop()); + Assertions.assertTrue(stack.isEmpty()); + } + + @Test + @DisplayName("returns the element when peeked but remains not empty") + void returnElementWhenPeeked() { + Assertions.assertEquals(anElement, stack.peek()); + Assertions.assertFalse(stack.isEmpty()); + } + } + } +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/RuleExampleUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/RuleExampleUnitTest.java new file mode 100644 index 0000000000..297d0f1730 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/RuleExampleUnitTest.java @@ -0,0 +1,17 @@ +package com.baeldung.junit5; + +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.extension.ExtendWith; +import org.junit.platform.runner.JUnitPlatform; +import org.junit.runner.RunWith; + +@RunWith(JUnitPlatform.class) +@ExtendWith(TraceUnitExtension.class) +public class RuleExampleUnitTest { + + @Test + public void whenTracingTests() { + System.out.println("This is my test"); + /*...*/ + } +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/RuleMigrationSupportUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/RuleMigrationSupportUnitTest.java new file mode 100644 index 0000000000..bbaa42ec7b --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/RuleMigrationSupportUnitTest.java @@ -0,0 +1,27 @@ +package com.baeldung.junit5; + +import org.junit.Rule; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.migrationsupport.rules.EnableRuleMigrationSupport; +import org.junit.rules.ExpectedException; + +@EnableRuleMigrationSupport +public class RuleMigrationSupportUnitTest { + + @Rule + public ExpectedException exceptionRule = ExpectedException.none(); + + @Test + public void whenExceptionThrown_thenExpectationSatisfied() { + exceptionRule.expect(NullPointerException.class); + String test = null; + test.length(); + } + + @Test + public void whenExceptionThrown_thenRuleIsApplied() { + exceptionRule.expect(NumberFormatException.class); + exceptionRule.expectMessage("For input string"); + Integer.parseInt("1a"); + } +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/TestAnnotationsUnitTest.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/TestAnnotationsUnitTest.java new file mode 100644 index 0000000000..8daf952747 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/TestAnnotationsUnitTest.java @@ -0,0 +1,39 @@ +package com.baeldung.junit5; + +import org.junit.jupiter.api.*; + +import java.util.logging.Logger; + +import static org.junit.jupiter.api.Assertions.assertTrue; + +public class TestAnnotationsUnitTest { + + private static final Logger log = Logger.getLogger(TestAnnotationsUnitTest.class.getName()); + + @BeforeAll + static void setup() { + log.info("@BeforeAll - executes once before all test methods in this class"); + } + + @BeforeEach + void init() { + log.info("@BeforeEach - executes before each test method in this class"); + } + + @Test + @Disabled + void disabledTest() { + assertTrue(false); + } + + @AfterEach + void tearDown() { + log.info("@AfterEach - executed after each test method."); + } + + @AfterAll + static void done() { + log.info("@AfterAll - executed after all test methods."); + } + +} diff --git a/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/TraceUnitExtension.java b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/TraceUnitExtension.java new file mode 100644 index 0000000000..bd5ae47d63 --- /dev/null +++ b/testing-modules/junit5-migration/src/test/java/com/baeldung/junit5/TraceUnitExtension.java @@ -0,0 +1,19 @@ +package com.baeldung.junit5; + +import org.junit.jupiter.api.extension.AfterEachCallback; +import org.junit.jupiter.api.extension.BeforeEachCallback; +import org.junit.jupiter.api.extension.ExtensionContext; + +public class TraceUnitExtension implements AfterEachCallback, BeforeEachCallback { + + @Override + public void beforeEach(ExtensionContext context) throws Exception { + System.out.println("Starting test ... " + context.getDisplayName()); + } + + @Override + public void afterEach(ExtensionContext context) throws Exception { + System.out.println("... test finished. " + context.getDisplayName()); + } + +}