/
DynamicTestGenerationTests.java
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/
DynamicTestGenerationTests.java
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/*
* Copyright 2015-2016 the original author or authors.
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution and is available at
*
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.junit.jupiter.engine;
import static org.junit.jupiter.api.Assertions.assertAll;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
import static org.junit.jupiter.api.DynamicTest.dynamicTest;
import static org.junit.platform.engine.discovery.DiscoverySelectors.selectJavaClass;
import static org.junit.platform.engine.discovery.DiscoverySelectors.selectJavaMethod;
import static org.junit.platform.engine.test.event.ExecutionEventConditions.assertRecordedExecutionEventsContainsExactly;
import static org.junit.platform.engine.test.event.ExecutionEventConditions.container;
import static org.junit.platform.engine.test.event.ExecutionEventConditions.dynamicTestRegistered;
import static org.junit.platform.engine.test.event.ExecutionEventConditions.engine;
import static org.junit.platform.engine.test.event.ExecutionEventConditions.event;
import static org.junit.platform.engine.test.event.ExecutionEventConditions.finishedSuccessfully;
import static org.junit.platform.engine.test.event.ExecutionEventConditions.finishedWithFailure;
import static org.junit.platform.engine.test.event.ExecutionEventConditions.started;
import static org.junit.platform.engine.test.event.ExecutionEventConditions.test;
import static org.junit.platform.engine.test.event.TestExecutionResultConditions.message;
import static org.junit.platform.launcher.core.LauncherDiscoveryRequestBuilder.request;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Stream;
import org.junit.jupiter.api.DynamicTest;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestFactory;
import org.junit.platform.engine.TestDescriptor;
import org.junit.platform.engine.test.event.ExecutionEventRecorder;
import org.junit.platform.launcher.LauncherDiscoveryRequest;
/**
* Integration tests for {@link TestFactory @TestFactory} and {@link DynamicTest}.
*
* @since 5.0
*/
class DynamicTestGenerationTests extends AbstractJupiterTestEngineTests {
@Test
void testFactoryMethodsAreCorrectlyDiscoveredForClassSelector() {
LauncherDiscoveryRequest request = request().selectors(selectJavaClass(MyDynamicTestCase.class)).build();
TestDescriptor engineDescriptor = discoverTests(request);
assertEquals(5, engineDescriptor.getAllDescendants().size(), "# resolved test descriptors");
}
@Test
void testFactoryMethodIsCorrectlyDiscoveredForMethodSelector() {
LauncherDiscoveryRequest request = request().selectors(
selectJavaMethod(MyDynamicTestCase.class, "dynamicStream")).build();
TestDescriptor engineDescriptor = discoverTests(request);
assertEquals(2, engineDescriptor.getAllDescendants().size(), "# resolved test descriptors");
}
@Test
void dynamicTestsAreExecutedFromStream() {
LauncherDiscoveryRequest request = request().selectors(
selectJavaMethod(MyDynamicTestCase.class, "dynamicStream")).build();
ExecutionEventRecorder eventRecorder = executeTests(request);
assertRecordedExecutionEventsContainsExactly(eventRecorder.getExecutionEvents(), //
event(engine(), started()), //
event(container(MyDynamicTestCase.class), started()), //
event(container("dynamicStream"), started()), //
event(dynamicTestRegistered("dynamic-test:#1")), //
event(test("dynamic-test:#1", "succeedingTest"), started()), //
event(test("dynamic-test:#1", "succeedingTest"), finishedSuccessfully()), //
event(dynamicTestRegistered("dynamic-test:#2")), //
event(test("dynamic-test:#2", "failingTest"), started()), //
event(test("dynamic-test:#2", "failingTest"), finishedWithFailure(message("failing"))), //
event(container("dynamicStream"), finishedSuccessfully()), //
event(container(MyDynamicTestCase.class), finishedSuccessfully()), //
event(engine(), finishedSuccessfully()));
}
@Test
void dynamicTestsAreExecutedFromCollection() {
LauncherDiscoveryRequest request = request().selectors(
selectJavaMethod(MyDynamicTestCase.class, "dynamicCollection")).build();
ExecutionEventRecorder eventRecorder = executeTests(request);
assertAll( //
() -> assertEquals(3, eventRecorder.getContainerStartedCount(), "# container started"),
() -> assertEquals(2, eventRecorder.getDynamicTestRegisteredCount(), "# dynamic registered"),
() -> assertEquals(2, eventRecorder.getTestStartedCount(), "# tests started"),
() -> assertEquals(1, eventRecorder.getTestSuccessfulCount(), "# tests succeeded"),
() -> assertEquals(1, eventRecorder.getTestFailedCount(), "# tests failed"),
() -> assertEquals(3, eventRecorder.getContainerFinishedCount(), "# container finished"));
}
@Test
void dynamicTestsAreExecutedFromIterator() {
LauncherDiscoveryRequest request = request().selectors(
selectJavaMethod(MyDynamicTestCase.class, "dynamicIterator")).build();
ExecutionEventRecorder eventRecorder = executeTests(request);
assertAll( //
() -> assertEquals(3, eventRecorder.getContainerStartedCount(), "# container started"),
() -> assertEquals(2, eventRecorder.getDynamicTestRegisteredCount(), "# dynamic registered"),
() -> assertEquals(2, eventRecorder.getTestStartedCount(), "# tests started"),
() -> assertEquals(1, eventRecorder.getTestSuccessfulCount(), "# tests succeeded"),
() -> assertEquals(1, eventRecorder.getTestFailedCount(), "# tests failed"),
() -> assertEquals(3, eventRecorder.getContainerFinishedCount(), "# container finished"));
}
@Test
void dynamicTestsAreExecutedFromIterable() {
LauncherDiscoveryRequest request = request().selectors(
selectJavaMethod(MyDynamicTestCase.class, "dynamicIterable")).build();
ExecutionEventRecorder eventRecorder = executeTests(request);
// @TestFactory methods are counted as both container and test
assertAll( //
() -> assertEquals(3, eventRecorder.getContainerStartedCount(), "# container started"),
() -> assertEquals(2, eventRecorder.getDynamicTestRegisteredCount(), "# dynamic registered"),
() -> assertEquals(2, eventRecorder.getTestStartedCount(), "# tests started"),
() -> assertEquals(1, eventRecorder.getTestSuccessfulCount(), "# tests succeeded"),
() -> assertEquals(1, eventRecorder.getTestFailedCount(), "# tests failed"),
() -> assertEquals(3, eventRecorder.getContainerFinishedCount(), "# container finished"));
}
private static class MyDynamicTestCase {
private static final List<DynamicTest> list = Arrays.asList(
dynamicTest("succeedingTest", () -> assertTrue(true, "succeeding")),
dynamicTest("failingTest", () -> fail("failing")));
@TestFactory
Collection<DynamicTest> dynamicCollection() {
return list;
}
@TestFactory
Stream<DynamicTest> dynamicStream() {
return list.stream();
}
@TestFactory
Iterator<DynamicTest> dynamicIterator() {
return list.iterator();
}
@TestFactory
Iterable<DynamicTest> dynamicIterable() {
return this::dynamicIterator;
}
}
}