jee7schedule

jee7schedule/src/test/java/com/baeldung/timer/AutomaticTimerBeanTest.java

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+package com.baeldung.timer;
+
+import com.jayway.awaitility.Awaitility;
+import org.hamcrest.Matchers;
+import org.jboss.arquillian.container.test.api.Deployment;
+import org.jboss.arquillian.junit.Arquillian;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.spec.WebArchive;
+import org.jboss.shrinkwrap.resolver.api.maven.Maven;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import javax.inject.Inject;
+import java.io.File;
+import java.util.concurrent.TimeUnit;
+
+import static com.jayway.awaitility.Awaitility.await;
+import static com.jayway.awaitility.Awaitility.to;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+
+
+@RunWith(Arquillian.class)
+public class AutomaticTimerBeanTest {
+
+    //the @AutomaticTimerBean has a method called every 10 seconds
+    //testing the difference ==> 100000
+    final static long TIMEOUT = 10000l;
+
+    //the tolerance accepted , so if between two consecutive calls there has to be at least 9 or max 11 seconds.
+    //because the timer service is not intended for real-time applications so it will not be exactly 10 seconds
+    final static long TOLERANCE = 1000l;
+
+    @Inject
+    TimerEventListener timerEventListener;
+
+    @Deployment
+    public static WebArchive deploy() {
+        File[] jars = Maven.resolver().loadPomFromFile("pom.xml")
+            .resolve("com.jayway.awaitility:awaitility")
+            .withTransitivity().asFile();
+
+        //only @AutomaticTimerBean is deployed not the other timers
+        return ShrinkWrap.create(WebArchive.class)
+            .addAsLibraries(jars)
+            .addClasses(WithinWindowMatcher.class, TimerEvent.class, TimerEventListener.class, AutomaticTimerBean.class);
+    }
+
+
+
+    @Test
+    public void should_receive_two_pings() {
+        Awaitility.setDefaultTimeout(30, TimeUnit.SECONDS);
+        //the test will wait here until two events are triggered
+        await().untilCall(to(timerEventListener.getEvents()).size(), equalTo(2));
+
+        TimerEvent firstEvent = timerEventListener.getEvents().get(0);
+        TimerEvent secondEvent = timerEventListener.getEvents().get(1);
+
+        long delay = secondEvent.getTime() - firstEvent.getTime();
+        System.out.println("Actual timeout = " + delay);
+
+        //ensure that the delay between the events is more or less 10 seconds (no real time precision)
+        assertThat(delay, Matchers.is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
+    }
+}

jee7schedule/src/test/java/com/baeldung/timer/ProgrammaticAtFixedRateTimerBeanTest.java

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+package com.baeldung.timer;
+
+import com.jayway.awaitility.Awaitility;
+import org.jboss.arquillian.container.test.api.Deployment;
+import org.jboss.arquillian.junit.Arquillian;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.spec.WebArchive;
+import org.jboss.shrinkwrap.resolver.api.maven.Maven;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import javax.inject.Inject;
+import java.io.File;
+import java.util.concurrent.TimeUnit;
+
+import static com.jayway.awaitility.Awaitility.await;
+import static com.jayway.awaitility.Awaitility.to;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.is;
+
+
+@RunWith(Arquillian.class)
+public class ProgrammaticAtFixedRateTimerBeanTest {
+
+    final static long TIMEOUT = 1000;
+    final static long TOLERANCE = 500l;
+
+    @Inject
+    TimerEventListener timerEventListener;
+
+    @Deployment
+    public static WebArchive deploy() {
+        File[] jars = Maven.resolver().loadPomFromFile("pom.xml")
+                .resolve("com.jayway.awaitility:awaitility")
+                .withTransitivity().asFile();
+
+        return ShrinkWrap.create(WebArchive.class)
+                .addAsLibraries(jars)
+                .addClasses(WithinWindowMatcher.class, TimerEvent.class, TimerEventListener.class, ProgrammaticAtFixedRateTimerBean.class);
+    }
+
+    @Test
+    public void should_receive_ten_pings() {
+
+        Awaitility.setDefaultTimeout(30, TimeUnit.SECONDS);
+
+        await().untilCall(to(timerEventListener.getEvents()).size(), equalTo(10));
+        TimerEvent firstEvent = timerEventListener.getEvents().get(0);
+        TimerEvent secondEvent = timerEventListener.getEvents().get(1);
+
+        long delay = secondEvent.getTime() - firstEvent.getTime();
+        System.out.println("Actual timeout = " + delay);
+        assertThat(delay, is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
+    }
+}

jee7schedule/src/test/java/com/baeldung/timer/ProgrammaticTimerBeanTest.java

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+package com.baeldung.timer;
+
+import org.jboss.arquillian.container.test.api.Deployment;
+import org.jboss.arquillian.junit.Arquillian;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.spec.WebArchive;
+import org.jboss.shrinkwrap.resolver.api.maven.Maven;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import javax.inject.Inject;
+import java.io.File;
+
+import static com.jayway.awaitility.Awaitility.await;
+import static com.jayway.awaitility.Awaitility.to;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.is;
+
+
+@RunWith(Arquillian.class)
+public class ProgrammaticTimerBeanTest {
+
+    final static long TIMEOUT = 5000l;
+    final static long TOLERANCE = 1000l;
+
+    @Inject
+    TimerEventListener timerEventListener;
+
+    @Deployment
+    public static WebArchive deploy() {
+        File[] jars = Maven.resolver().loadPomFromFile("pom.xml")
+                .resolve("com.jayway.awaitility:awaitility")
+                .withTransitivity().asFile();
+
+        return ShrinkWrap.create(WebArchive.class)
+                .addAsLibraries(jars)
+                .addClasses(WithinWindowMatcher.class, TimerEvent.class, TimerEventListener.class, ProgrammaticTimerBean.class);
+    }
+
+    @Test
+    public void should_receive_two_pings() {
+
+        await().untilCall(to(timerEventListener.getEvents()).size(), equalTo(2));
+
+        TimerEvent firstEvent = timerEventListener.getEvents().get(0);
+        TimerEvent secondEvent = timerEventListener.getEvents().get(1);
+
+        long delay = secondEvent.getTime() - firstEvent.getTime();
+        System.out.println("Actual timeout = " + delay);
+        assertThat(delay, is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
+    }
+}

jee7schedule/src/test/java/com/baeldung/timer/ProgrammaticWithFixedDelayTimerBeanTest.java

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+package com.baeldung.timer;
+
+import com.jayway.awaitility.Awaitility;
+import org.jboss.arquillian.container.test.api.Deployment;
+import org.jboss.arquillian.junit.Arquillian;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.spec.WebArchive;
+import org.jboss.shrinkwrap.resolver.api.maven.Maven;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import javax.inject.Inject;
+import java.io.File;
+import java.util.concurrent.TimeUnit;
+
+import static com.jayway.awaitility.Awaitility.await;
+import static com.jayway.awaitility.Awaitility.to;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.is;
+
+
+@RunWith(Arquillian.class)
+public class ProgrammaticWithFixedDelayTimerBeanTest {
+
+    final static long TIMEOUT = 15000l;
+    final static long TOLERANCE = 1000l;
+
+    @Inject
+    TimerEventListener timerEventListener;
+
+    @Deployment
+    public static WebArchive deploy() {
+        File[] jars = Maven.resolver().loadPomFromFile("pom.xml")
+                .resolve("com.jayway.awaitility:awaitility")
+                .withTransitivity().asFile();
+
+        return ShrinkWrap.create(WebArchive.class)
+                .addAsLibraries(jars)
+                .addClasses(WithinWindowMatcher.class, TimerEvent.class, TimerEventListener.class, ProgrammaticWithInitialFixedDelayTimerBean.class);
+    }
+
+    @Test
+    public void should_receive_two_pings() {
+
+        Awaitility.setDefaultTimeout(30, TimeUnit.SECONDS);
+
+        // 10 seconds pause so we get the startTime and it will trigger first event
+        long startTime = System.currentTimeMillis();
+
+        await().untilCall(to(timerEventListener.getEvents()).size(), equalTo(2));
+        TimerEvent firstEvent = timerEventListener.getEvents().get(0);
+        TimerEvent secondEvent = timerEventListener.getEvents().get(1);
+
+        long delay = secondEvent.getTime() - startTime;
+        System.out.println("Actual timeout = " + delay);
+
+        //apx 15 seconds = 10 delay + 2 timers (first after a pause of 10 seconds and the next others every 5 seconds)
+        assertThat(delay, is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
+    }
+}

jee7schedule/src/test/java/com/baeldung/timer/ScheduleTimerBeanTest.java

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+package com.baeldung.timer;
+
+import com.jayway.awaitility.Awaitility;
+import org.hamcrest.Matchers;
+import org.jboss.arquillian.container.test.api.Deployment;
+import org.jboss.arquillian.junit.Arquillian;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.spec.WebArchive;
+import org.jboss.shrinkwrap.resolver.api.maven.Maven;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import javax.inject.Inject;
+import java.io.File;
+import java.util.concurrent.TimeUnit;
+
+import static com.jayway.awaitility.Awaitility.await;
+import static com.jayway.awaitility.Awaitility.to;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+
+
+@RunWith(Arquillian.class)
+public class ScheduleTimerBeanTest {
+
+    final static long TIMEOUT = 5000l;
+    final static long TOLERANCE = 1000l;
+
+    @Inject
+    TimerEventListener timerEventListener;
+
+    @Deployment
+    public static WebArchive deploy() {
+        File[] jars = Maven.resolver().loadPomFromFile("pom.xml")
+                .resolve("com.jayway.awaitility:awaitility")
+                .withTransitivity().asFile();
+
+        return ShrinkWrap.create(WebArchive.class)
+                .addAsLibraries(jars)
+                .addClasses(WithinWindowMatcher.class, TimerEvent.class, TimerEventListener.class, ScheduleTimerBean.class);
+    }
+
+    @Test
+    public void should_receive_three_pings() {
+
+        Awaitility.setDefaultTimeout(30, TimeUnit.SECONDS);
+        await().untilCall(to(timerEventListener.getEvents()).size(), equalTo(3));
+
+        TimerEvent firstEvent = timerEventListener.getEvents().get(0);
+        TimerEvent secondEvent = timerEventListener.getEvents().get(1);
+        TimerEvent thirdEvent = timerEventListener.getEvents().get(2);
+
+        long delay = secondEvent.getTime() - firstEvent.getTime();
+        assertThat(delay, Matchers.is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
+        delay = thirdEvent.getTime() - secondEvent.getTime();
+        assertThat(delay, Matchers.is(WithinWindowMatcher.withinWindow(TIMEOUT, TOLERANCE)));
+
+    }
+}

jee7schedule/src/test/java/com/baeldung/timer/WithinWindowMatcher.java

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+package com.baeldung.timer;
+
+import org.hamcrest.BaseMatcher;
+import org.hamcrest.Description;
+import org.hamcrest.Matcher;
+
+class WithinWindowMatcher extends BaseMatcher<Long> {
+    private final long timeout;
+    private final long tolerance;
+
+    public WithinWindowMatcher(long timeout, long tolerance) {
+        this.timeout = timeout;
+        this.tolerance = tolerance;
+    }
+
+    @Override
+    public boolean matches(Object item) {
+        final Long actual = (Long) item;
+        return Math.abs(actual - timeout) < tolerance;
+    }
+
+    @Override
+    public void describeTo(Description description) {
+        //To change body of implemented methods use File | Settings | File Templates.
+    }
+
+    public static Matcher<Long> withinWindow(final long timeout, final long tolerance) {
+        return new WithinWindowMatcher(timeout, tolerance);
+    }
+}