/*
* Copyright 2015-2017 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.discovery;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.engine.discovery.JupiterUniqueIdBuilder.uniqueIdForTestTemplateMethod;
import static org.junit.platform.commons.util.CollectionUtils.getOnlyElement;
import static org.junit.platform.engine.discovery.DiscoverySelectors.selectClass;
import static org.junit.platform.engine.discovery.DiscoverySelectors.selectMethod;
import static org.junit.platform.engine.discovery.DiscoverySelectors.selectUniqueId;
import static org.junit.platform.launcher.core.LauncherDiscoveryRequestBuilder.request;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.reflect.Method;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;
import org.junit.jupiter.api.TestTemplate;
import org.junit.jupiter.engine.AbstractJupiterTestEngineTests;
import org.junit.jupiter.engine.JupiterTestEngine;
import org.junit.platform.engine.TestDescriptor;
import org.junit.platform.launcher.LauncherDiscoveryRequest;
/**
* Test correct test discovery in simple test classes for the {@link JupiterTestEngine}.
*
* @since 5.0
*/
class DiscoveryTests extends AbstractJupiterTestEngineTests {
@Test
void discoverTestClass() {
LauncherDiscoveryRequest request = request().selectors(selectClass(LocalTestCase.class)).build();
TestDescriptor engineDescriptor = discoverTests(request);
assertEquals(7, engineDescriptor.getDescendants().size(), "# resolved test descriptors");
}
@Test
void doNotDiscoverAbstractTestClass() {
LauncherDiscoveryRequest request = request().selectors(selectClass(AbstractTestCase.class)).build();
TestDescriptor engineDescriptor = discoverTests(request);
assertEquals(0, engineDescriptor.getDescendants().size(), "# resolved test descriptors");
}
@Test
void discoverMethodByUniqueId() {
LauncherDiscoveryRequest request = request().selectors(
selectUniqueId(JupiterUniqueIdBuilder.uniqueIdForMethod(LocalTestCase.class, "test1()"))).build();
TestDescriptor engineDescriptor = discoverTests(request);
assertEquals(2, engineDescriptor.getDescendants().size(), "# resolved test descriptors");
}
@Test
void discoverMethodByUniqueIdForOverloadedMethod() {
LauncherDiscoveryRequest request = request().selectors(
selectUniqueId(JupiterUniqueIdBuilder.uniqueIdForMethod(LocalTestCase.class, "test4()"))).build();
TestDescriptor engineDescriptor = discoverTests(request);
assertEquals(2, engineDescriptor.getDescendants().size(), "# resolved test descriptors");
}
@Test
void discoverMethodByUniqueIdForOverloadedMethodVariantThatAcceptsArguments() {
LauncherDiscoveryRequest request = request().selectors(selectUniqueId(JupiterUniqueIdBuilder.uniqueIdForMethod(
LocalTestCase.class, "test4(" + TestInfo.class.getName() + ")"))).build();
TestDescriptor engineDescriptor = discoverTests(request);
assertEquals(2, engineDescriptor.getDescendants().size(), "# resolved test descriptors");
}
@Test
void discoverMethodByMethodReference() throws NoSuchMethodException {
Method testMethod = LocalTestCase.class.getDeclaredMethod("test3", new Class<?>[0]);
LauncherDiscoveryRequest request = request().selectors(selectMethod(LocalTestCase.class, testMethod)).build();
TestDescriptor engineDescriptor = discoverTests(request);
assertEquals(2, engineDescriptor.getDescendants().size(), "# resolved test descriptors");
}
@Test
void discoverMultipleMethodsOfSameClass() throws NoSuchMethodException {
LauncherDiscoveryRequest request = request().selectors(selectMethod(LocalTestCase.class, "test1"),
selectMethod(LocalTestCase.class, "test2")).build();
TestDescriptor engineDescriptor = discoverTests(request);
assertThat(engineDescriptor.getChildren()).hasSize(1);
TestDescriptor classDescriptor = getOnlyElement(engineDescriptor.getChildren());
assertThat(classDescriptor.getChildren()).hasSize(2);
}
@Test
void discoverCompositeSpec() {
LauncherDiscoveryRequest spec = request().selectors(
selectUniqueId(JupiterUniqueIdBuilder.uniqueIdForMethod(LocalTestCase.class, "test2()")),
selectClass(LocalTestCase.class)).build();
TestDescriptor engineDescriptor = discoverTests(spec);
assertEquals(7, engineDescriptor.getDescendants().size(), "# resolved test descriptors");
}
@Test
void discoverTestTemplateMethodByUniqueId() {
LauncherDiscoveryRequest spec = request().selectors(
selectUniqueId(uniqueIdForTestTemplateMethod(TestTemplateClass.class, "testTemplate()"))).build();
TestDescriptor engineDescriptor = discoverTests(spec);
assertEquals(2, engineDescriptor.getDescendants().size(), "# resolved test descriptors");
}
@Test
void discoverTestTemplateMethodByMethodSelector() {
LauncherDiscoveryRequest spec = request().selectors(
selectMethod(TestTemplateClass.class, "testTemplate")).build();
TestDescriptor engineDescriptor = discoverTests(spec);
assertEquals(2, engineDescriptor.getDescendants().size(), "# resolved test descriptors");
}
// -------------------------------------------------------------------
private static abstract class AbstractTestCase {
@Test
void abstractTest() {
}
}
private static class LocalTestCase {
@Test
void test1() {
}
@Test
void test2() {
}
@Test
void test3() {
}
@Test
void test4() {
}
@Test
void test4(TestInfo testInfo) {
}
@CustomTestAnnotation
void customTestAnnotation() {
/* no-op */
}
}
@Test
@Retention(RetentionPolicy.RUNTIME)
@interface CustomTestAnnotation {
}
private static class TestTemplateClass {
@TestTemplate
void testTemplate() {
}
}
}