/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package gobblin.writer.test;
import java.io.IOException;
import java.util.Arrays;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.testng.Assert;
import org.testng.Assert.ThrowingRunnable;
import org.testng.annotations.Test;
import com.google.common.eventbus.EventBus;
/**
* Unit tests for {@link TestingEventBusAsserter}
*/
public class TestingEventBusAsserterTest {
@Test
public void testAssertNext() throws InterruptedException, TimeoutException, IOException {
EventBus testBus = TestingEventBuses.getEventBus("TestingEventBusAsserterTest.testHappyPath");
try(final TestingEventBusAsserter asserter =
new TestingEventBusAsserter("TestingEventBusAsserterTest.testHappyPath")) {
testBus.post(new TestingEventBuses.Event("event1"));
testBus.post(new TestingEventBuses.Event("event2"));
asserter.assertNextValueEq("event1");
Assert.assertThrows(new ThrowingRunnable() {
@Override public void run() throws Throwable {
asserter.assertNextValueEq("event3");
}
});
testBus.post(new TestingEventBuses.Event("event13"));
testBus.post(new TestingEventBuses.Event("event11"));
testBus.post(new TestingEventBuses.Event("event12"));
testBus.post(new TestingEventBuses.Event("event10"));
asserter.assertNextValuesEq(Arrays.asList("event10", "event11", "event12", "event13"));
testBus.post(new TestingEventBuses.Event("event22"));
testBus.post(new TestingEventBuses.Event("event20"));
Assert.assertThrows(new ThrowingRunnable() {
@Override public void run() throws Throwable {
asserter.assertNextValuesEq(Arrays.asList("event22", "event21"));
}
});
}
}
@Test
public void testTimeout() throws InterruptedException, TimeoutException, IOException {
try(final TestingEventBusAsserter asserter =
new TestingEventBusAsserter("TestingEventBusAsserterTest.testTimeout")) {
final CountDownLatch timeoutSeen = new CountDownLatch(1);
Thread assertThread = new Thread(new Runnable() {
@Override public void run() {
try {
asserter.withTimeout(300, TimeUnit.MILLISECONDS).assertNextValueEq("event1");
} catch (TimeoutException e) {
timeoutSeen.countDown();
}
catch (InterruptedException e ) {
// Unexpected
}
}
}, "TestingEventBusAsserterTest.testTimeout.assertThread");
assertThread.start();
Thread.sleep(100);
Assert.assertTrue(assertThread.isAlive());
Assert.assertTrue(timeoutSeen.await(300, TimeUnit.MILLISECONDS));
}
}
@Test
public void testAssertNextValuesEqTimeout() throws InterruptedException, TimeoutException, IOException {
EventBus testBus = TestingEventBuses.getEventBus("TestingEventBusAsserterTest.testAssertNextValuesEqTimeout");
try(final TestingEventBusAsserter asserter =
new TestingEventBusAsserter("TestingEventBusAsserterTest.testAssertNextValuesEqTimeout")) {
testBus.post(new TestingEventBuses.Event("event1"));
final CountDownLatch timeoutSeen = new CountDownLatch(1);
Thread assertThread = new Thread(new Runnable() {
@Override public void run() {
try {
asserter.withTimeout(300, TimeUnit.MILLISECONDS)
.assertNextValuesEq(Arrays.asList("event1", "event2"));
} catch (TimeoutException e) {
timeoutSeen.countDown();
}
catch (InterruptedException e ) {
// Unexpected
}
}
}, "TestingEventBusAsserterTest.testTimeout.assertThread");
assertThread.start();
Thread.sleep(100);
Assert.assertTrue(assertThread.isAlive());
Assert.assertTrue(timeoutSeen.await(300, TimeUnit.MILLISECONDS));
}
}
}