Examples with TestInstances org.junit.jupiter.api.extension.TestInstances used on opensource projects

Example 6 with TestInstances

use of org.junit.jupiter.api.extension.TestInstances in project junit5 by junit-team.

the class ClassBasedTestDescriptor method before.

@Override
public JupiterEngineExecutionContext before(JupiterEngineExecutionContext context) {
    ThrowableCollector throwableCollector = context.getThrowableCollector();
    if (isPerClassLifecycle(context)) {
        // Eagerly load test instance for BeforeAllCallbacks, if necessary,
        // and store the instance in the ExtensionContext.
        ClassExtensionContext extensionContext = (ClassExtensionContext) context.getExtensionContext();
        throwableCollector.execute(() -> {
            TestInstances testInstances = context.getTestInstancesProvider().getTestInstances(context.getExtensionRegistry(), throwableCollector);
            extensionContext.setTestInstances(testInstances);
        });
    }
    if (throwableCollector.isEmpty()) {
        context.beforeAllCallbacksExecuted(true);
        invokeBeforeAllCallbacks(context);
        if (throwableCollector.isEmpty()) {
            context.beforeAllMethodsExecuted(true);
            invokeBeforeAllMethods(context);
        }
    }
    throwableCollector.assertEmpty();
    return context;
}

Example 7 with TestInstances

use of org.junit.jupiter.api.extension.TestInstances in project junit5 by junit-team.

the class TestInstanceLifecycleTests method instancePerMethodOnOuterTestClassWithInstancePerClassOnNestedTestClass.

@Test
void instancePerMethodOnOuterTestClassWithInstancePerClassOnNestedTestClass() {
    Class<?> testClass = MixedLifecyclesOuterTestCase.class;
    Class<?> nestedTestClass = MixedLifecyclesOuterTestCase.NestedInstancePerClassTestCase.class;
    int containers = 4;
    int tests = 4;
    Map.Entry<Class<?>, Integer>[] instances = instanceCounts(entry(testClass, 2), entry(nestedTestClass, 1));
    int allMethods = 1;
    int eachMethods = 7;
    performAssertions(testClass, containers, tests, instances, allMethods, eachMethods);
    String containerExecutionConditionKey = executionConditionKey(testClass, null);
    String nestedContainerExecutionConditionKey = executionConditionKey(nestedTestClass, null);
    String nestedTestTemplateKey = testTemplateKey(nestedTestClass, "singletonTest");
    String postProcessTestInstanceKey = postProcessTestInstanceKey(testClass);
    String nestedPostProcessTestInstanceKey = postProcessTestInstanceKey(nestedTestClass);
    String preDestroyCallbackTestInstanceKey = preDestroyCallbackTestInstanceKey(testClass);
    String nestedPreDestroyCallbackTestInstanceKey = preDestroyCallbackTestInstanceKey(nestedTestClass);
    String beforeAllCallbackKey = beforeAllCallbackKey(testClass);
    String afterAllCallbackKey = afterAllCallbackKey(testClass);
    String outerTestExecutionConditionKey = executionConditionKey(testClass, "outerTest");
    String beforeEachCallbackKey = beforeEachCallbackKey(testClass, "outerTest");
    String afterEachCallbackKey = afterEachCallbackKey(testClass, "outerTest");
    String nestedBeforeAllCallbackKey = beforeAllCallbackKey(nestedTestClass);
    String nestedAfterAllCallbackKey = afterAllCallbackKey(nestedTestClass);
    String nestedExecutionConditionKey1 = executionConditionKey(nestedTestClass, testsInvoked.get(0));
    String nestedBeforeEachCallbackKey1 = beforeEachCallbackKey(nestedTestClass, testsInvoked.get(0));
    String nestedAfterEachCallbackKey1 = afterEachCallbackKey(nestedTestClass, testsInvoked.get(0));
    String nestedExecutionConditionKey2 = executionConditionKey(nestedTestClass, testsInvoked.get(1));
    String nestedBeforeEachCallbackKey2 = beforeEachCallbackKey(nestedTestClass, testsInvoked.get(1));
    String nestedAfterEachCallbackKey2 = afterEachCallbackKey(nestedTestClass, testsInvoked.get(1));
    String nestedExecutionConditionKey3 = executionConditionKey(nestedTestClass, testsInvoked.get(2));
    String nestedBeforeEachCallbackKey3 = beforeEachCallbackKey(nestedTestClass, testsInvoked.get(2));
    String nestedAfterEachCallbackKey3 = afterEachCallbackKey(nestedTestClass, testsInvoked.get(2));
    // @formatter:off
    assertThat(instanceMap.keySet()).containsExactlyInAnyOrder(containerExecutionConditionKey, nestedTestTemplateKey, nestedContainerExecutionConditionKey, postProcessTestInstanceKey, nestedPostProcessTestInstanceKey, preDestroyCallbackTestInstanceKey, nestedPreDestroyCallbackTestInstanceKey, beforeAllCallbackKey, afterAllCallbackKey, outerTestExecutionConditionKey, beforeEachCallbackKey, afterEachCallbackKey, nestedBeforeAllCallbackKey, nestedAfterAllCallbackKey, nestedExecutionConditionKey1, nestedBeforeEachCallbackKey1, nestedAfterEachCallbackKey1, nestedExecutionConditionKey2, nestedBeforeEachCallbackKey2, nestedAfterEachCallbackKey2, nestedExecutionConditionKey3, nestedBeforeEachCallbackKey3, nestedAfterEachCallbackKey3);
    // @formatter:on
    assertNull(instanceMap.get(containerExecutionConditionKey));
    assertNull(instanceMap.get(beforeAllCallbackKey));
    assertNull(instanceMap.get(afterAllCallbackKey));
    TestInstances outerInstances = instanceMap.get(beforeEachCallbackKey);
    assertSame(outerInstances, instanceMap.get(afterEachCallbackKey));
    assertSame(outerInstances, instanceMap.get(outerTestExecutionConditionKey));
    Object nestedInstance = instanceMap.get(nestedPostProcessTestInstanceKey).getInnermostInstance();
    assertNotNull(nestedInstance);
    assertNotSame(outerInstances.getInnermostInstance(), nestedInstance);
    assertNull(instanceMap.get(nestedContainerExecutionConditionKey));
    assertSame(nestedInstance, instanceMap.get(nestedBeforeAllCallbackKey).getInnermostInstance());
    assertSame(nestedInstance, instanceMap.get(nestedAfterAllCallbackKey).getInnermostInstance());
    assertSame(nestedInstance, instanceMap.get(nestedExecutionConditionKey1).getInnermostInstance());
    assertSame(nestedInstance, instanceMap.get(nestedBeforeEachCallbackKey1).getInnermostInstance());
    assertSame(nestedInstance, instanceMap.get(nestedAfterEachCallbackKey1).getInnermostInstance());
    assertSame(nestedInstance, instanceMap.get(nestedExecutionConditionKey2).getInnermostInstance());
    assertSame(nestedInstance, instanceMap.get(nestedBeforeEachCallbackKey2).getInnermostInstance());
    assertSame(nestedInstance, instanceMap.get(nestedAfterEachCallbackKey2).getInnermostInstance());
    assertSame(nestedInstance, instanceMap.get(nestedExecutionConditionKey3).getInnermostInstance());
    assertSame(nestedInstance, instanceMap.get(nestedBeforeEachCallbackKey3).getInnermostInstance());
    assertSame(nestedInstance, instanceMap.get(nestedAfterEachCallbackKey3).getInnermostInstance());
    assertSame(nestedInstance, instanceMap.get(nestedPreDestroyCallbackTestInstanceKey).getInnermostInstance());
    // The last tracked instance stored under postProcessTestInstanceKey
    // is only created in order to instantiate the nested test class.
    Object outerInstance = instanceMap.get(nestedExecutionConditionKey1).findInstance(testClass).get();
    assertEquals(outerInstances.getInnermostInstance().getClass(), outerInstance.getClass());
    assertNotSame(outerInstances.getInnermostInstance(), outerInstance);
    assertThat(instanceMap.get(nestedExecutionConditionKey1).getAllInstances()).containsExactly(outerInstance, nestedInstance);
    assertThat(instanceMap.get(nestedBeforeEachCallbackKey1).getAllInstances()).containsExactly(outerInstance, nestedInstance);
    assertThat(instanceMap.get(nestedAfterEachCallbackKey1).getAllInstances()).containsExactly(outerInstance, nestedInstance);
    assertThat(instanceMap.get(nestedExecutionConditionKey2).getAllInstances()).containsExactly(outerInstance, nestedInstance);
    assertThat(instanceMap.get(nestedBeforeEachCallbackKey2).getAllInstances()).containsExactly(outerInstance, nestedInstance);
    assertThat(instanceMap.get(nestedAfterEachCallbackKey2).getAllInstances()).containsExactly(outerInstance, nestedInstance);
    assertThat(instanceMap.get(nestedExecutionConditionKey3).getAllInstances()).containsExactly(outerInstance, nestedInstance);
    assertThat(instanceMap.get(nestedBeforeEachCallbackKey3).getAllInstances()).containsExactly(outerInstance, nestedInstance);
    assertThat(instanceMap.get(nestedAfterEachCallbackKey3).getAllInstances()).containsExactly(outerInstance, nestedInstance);
    assertThat(lifecyclesMap.keySet()).containsExactly(testClass, nestedTestClass);
    assertThat(lifecyclesMap.get(testClass).stream()).allMatch(Lifecycle.PER_METHOD::equals);
    assertThat(lifecyclesMap.get(nestedTestClass).stream()).allMatch(Lifecycle.PER_CLASS::equals);
}

Example 8 with TestInstances

use of org.junit.jupiter.api.extension.TestInstances in project junit5 by junit-team.

the class TestInstanceLifecycleTests method instancePerMethodWithNestedTestClass.

@Test
void instancePerMethodWithNestedTestClass() {
    Class<?> testClass = InstancePerMethodOuterTestCase.class;
    Class<?> nestedTestClass = InstancePerMethodOuterTestCase.NestedInstancePerMethodTestCase.class;
    int containers = 4;
    int tests = 4;
    Map.Entry<Class<?>, Integer>[] instances = instanceCounts(entry(testClass, 4), entry(nestedTestClass, 3));
    int allMethods = 1;
    int eachMethods = 3;
    performAssertions(testClass, containers, tests, instances, allMethods, eachMethods);
    String containerExecutionConditionKey = executionConditionKey(testClass, null);
    String nestedContainerExecutionConditionKey = executionConditionKey(nestedTestClass, null);
    String nestedTestTemplateKey = testTemplateKey(nestedTestClass, "singletonTest");
    String postProcessTestInstanceKey = postProcessTestInstanceKey(testClass);
    String nestedPostProcessTestInstanceKey = postProcessTestInstanceKey(nestedTestClass);
    String preDestroyCallbackTestInstanceKey = preDestroyCallbackTestInstanceKey(testClass);
    String nestedPreDestroyCallbackTestInstanceKey = preDestroyCallbackTestInstanceKey(nestedTestClass);
    String beforeAllCallbackKey = beforeAllCallbackKey(testClass);
    String afterAllCallbackKey = afterAllCallbackKey(testClass);
    String outerTestExecutionConditionKey = executionConditionKey(testClass, "outerTest");
    String beforeEachCallbackKey = beforeEachCallbackKey(testClass, "outerTest");
    String afterEachCallbackKey = afterEachCallbackKey(testClass, "outerTest");
    String nestedBeforeAllCallbackKey = beforeAllCallbackKey(nestedTestClass);
    String nestedAfterAllCallbackKey = afterAllCallbackKey(nestedTestClass);
    String nestedExecutionConditionKey1 = executionConditionKey(nestedTestClass, testsInvoked.get(0));
    String nestedBeforeEachCallbackKey1 = beforeEachCallbackKey(nestedTestClass, testsInvoked.get(0));
    String nestedAfterEachCallbackKey1 = afterEachCallbackKey(nestedTestClass, testsInvoked.get(0));
    String nestedExecutionConditionKey2 = executionConditionKey(nestedTestClass, testsInvoked.get(1));
    String nestedBeforeEachCallbackKey2 = beforeEachCallbackKey(nestedTestClass, testsInvoked.get(1));
    String nestedAfterEachCallbackKey2 = afterEachCallbackKey(nestedTestClass, testsInvoked.get(1));
    String nestedExecutionConditionKey3 = executionConditionKey(nestedTestClass, testsInvoked.get(2));
    String nestedBeforeEachCallbackKey3 = beforeEachCallbackKey(nestedTestClass, testsInvoked.get(2));
    String nestedAfterEachCallbackKey3 = afterEachCallbackKey(nestedTestClass, testsInvoked.get(2));
    // @formatter:off
    assertThat(instanceMap.keySet()).containsExactlyInAnyOrder(containerExecutionConditionKey, nestedTestTemplateKey, nestedContainerExecutionConditionKey, postProcessTestInstanceKey, nestedPostProcessTestInstanceKey, preDestroyCallbackTestInstanceKey, nestedPreDestroyCallbackTestInstanceKey, beforeAllCallbackKey, afterAllCallbackKey, outerTestExecutionConditionKey, beforeEachCallbackKey, afterEachCallbackKey, nestedBeforeAllCallbackKey, nestedAfterAllCallbackKey, nestedExecutionConditionKey1, nestedBeforeEachCallbackKey1, nestedAfterEachCallbackKey1, nestedExecutionConditionKey2, nestedBeforeEachCallbackKey2, nestedAfterEachCallbackKey2, nestedExecutionConditionKey3, nestedBeforeEachCallbackKey3, nestedAfterEachCallbackKey3);
    // @formatter:on
    assertNull(instanceMap.get(containerExecutionConditionKey));
    assertNull(instanceMap.get(beforeAllCallbackKey));
    assertNull(instanceMap.get(afterAllCallbackKey));
    assertNull(instanceMap.get(nestedContainerExecutionConditionKey));
    assertNull(instanceMap.get(nestedBeforeAllCallbackKey));
    assertNull(instanceMap.get(nestedAfterAllCallbackKey));
    TestInstances outerInstances = instanceMap.get(beforeEachCallbackKey);
    assertNotNull(outerInstances.getInnermostInstance());
    assertSame(outerInstances, instanceMap.get(afterEachCallbackKey));
    assertSame(outerInstances, instanceMap.get(outerTestExecutionConditionKey));
    TestInstances nestedInstances1 = instanceMap.get(nestedBeforeEachCallbackKey1);
    assertNotNull(nestedInstances1.getInnermostInstance());
    assertNotSame(outerInstances.getInnermostInstance(), nestedInstances1.getInnermostInstance());
    assertSame(nestedInstances1, instanceMap.get(nestedAfterEachCallbackKey1));
    assertSame(nestedInstances1, instanceMap.get(nestedExecutionConditionKey1));
    TestInstances nestedInstances2 = instanceMap.get(nestedBeforeEachCallbackKey2);
    assertNotNull(nestedInstances2.getInnermostInstance());
    assertNotSame(outerInstances.getInnermostInstance(), nestedInstances2.getInnermostInstance());
    assertNotSame(nestedInstances1.getInnermostInstance(), nestedInstances2.getInnermostInstance());
    assertSame(nestedInstances2, instanceMap.get(nestedAfterEachCallbackKey2));
    assertSame(nestedInstances2, instanceMap.get(nestedExecutionConditionKey2));
    TestInstances nestedInstances3 = instanceMap.get(nestedPostProcessTestInstanceKey);
    assertNotNull(nestedInstances3.getInnermostInstance());
    assertNotSame(outerInstances.getInnermostInstance(), nestedInstances3.getInnermostInstance());
    assertNotSame(nestedInstances1.getInnermostInstance(), nestedInstances3.getInnermostInstance());
    assertSame(nestedInstances3.getInnermostInstance(), instanceMap.get(nestedAfterEachCallbackKey3).getInnermostInstance());
    assertSame(nestedInstances3.getInnermostInstance(), instanceMap.get(nestedExecutionConditionKey3).getInnermostInstance());
    assertSame(nestedInstances3.getInnermostInstance(), instanceMap.get(nestedPreDestroyCallbackTestInstanceKey).getInnermostInstance());
    Object outerInstance1 = instanceMap.get(nestedExecutionConditionKey1).findInstance(testClass).get();
    Object outerInstance2 = instanceMap.get(nestedExecutionConditionKey2).findInstance(testClass).get();
    Object outerInstance3 = instanceMap.get(nestedExecutionConditionKey3).findInstance(testClass).get();
    assertNotSame(outerInstance1, outerInstance2);
    assertNotSame(outerInstance1, outerInstance3);
    assertThat(instanceMap.get(nestedExecutionConditionKey1).getAllInstances()).containsExactly(outerInstance1, nestedInstances1.getInnermostInstance());
    assertThat(instanceMap.get(nestedExecutionConditionKey2).getAllInstances()).containsExactly(outerInstance2, nestedInstances2.getInnermostInstance());
    assertThat(instanceMap.get(nestedExecutionConditionKey3).getAllInstances()).containsExactly(outerInstance3, nestedInstances3.getInnermostInstance());
    // The last tracked instance stored under postProcessTestInstanceKey
    // is only created in order to instantiate the nested test class for
    // test2().
    assertSame(outerInstance3, instanceMap.get(postProcessTestInstanceKey).getInnermostInstance());
    assertThat(lifecyclesMap.keySet()).containsExactly(testClass, nestedTestClass);
    assertThat(lifecyclesMap.get(testClass).stream()).allMatch(Lifecycle.PER_METHOD::equals);
    assertThat(lifecyclesMap.get(nestedTestClass).stream()).allMatch(Lifecycle.PER_METHOD::equals);
}

Example 9 with TestInstances

use of org.junit.jupiter.api.extension.TestInstances in project neo4j by neo4j.

the class Neo4jLayoutSupportExtension method prepare.

private void prepare(ExtensionContext context) {
    TestInstances testInstances = context.getRequiredTestInstances();
    TestDirectory testDir = getTestDirectory(context);
    Config config = Config.defaults(neo4j_home, testDir.homePath());
    Neo4jLayout neo4jLayout = Neo4jLayout.of(config);
    DatabaseLayout databaseLayout = neo4jLayout.databaseLayout(config.get(default_database));
    createDirectories(testDir.getFileSystem(), neo4jLayout, databaseLayout);
    for (Object testInstance : testInstances.getAllInstances()) {
        injectInstance(testInstance, neo4jLayout, Neo4jLayout.class);
        injectInstance(testInstance, databaseLayout, DatabaseLayout.class);
    }
}

Example 10 with TestInstances

use of org.junit.jupiter.api.extension.TestInstances in project junit5 by junit-team.

the class TestInstanceLifecycleTests method instancePerClass.

private void instancePerClass(Class<?> testClass, Map.Entry<Class<?>, Integer>[] instances) {
    int containers = 3;
    int tests = 3;
    int allMethods = 2;
    int eachMethods = 3;
    performAssertions(testClass, containers, tests, instances, allMethods, eachMethods);
    String containerExecutionConditionKey = executionConditionKey(testClass, null);
    String testTemplateKey = testTemplateKey(testClass, "singletonTest");
    String postProcessTestInstanceKey = postProcessTestInstanceKey(testClass);
    String preDestroyCallbackTestInstanceKey = preDestroyCallbackTestInstanceKey(testClass);
    String beforeAllCallbackKey = beforeAllCallbackKey(testClass);
    String afterAllCallbackKey = afterAllCallbackKey(testClass);
    String testExecutionConditionKey1 = executionConditionKey(testClass, testsInvoked.get(0));
    String beforeEachCallbackKey1 = beforeEachCallbackKey(testClass, testsInvoked.get(0));
    String afterEachCallbackKey1 = afterEachCallbackKey(testClass, testsInvoked.get(0));
    String testExecutionConditionKey2 = executionConditionKey(testClass, testsInvoked.get(1));
    String beforeEachCallbackKey2 = beforeEachCallbackKey(testClass, testsInvoked.get(1));
    String afterEachCallbackKey2 = afterEachCallbackKey(testClass, testsInvoked.get(1));
    String testExecutionConditionKey3 = executionConditionKey(testClass, testsInvoked.get(2));
    String beforeEachCallbackKey3 = beforeEachCallbackKey(testClass, testsInvoked.get(2));
    String afterEachCallbackKey3 = afterEachCallbackKey(testClass, testsInvoked.get(2));
    // @formatter:off
    assertThat(instanceMap.keySet()).containsExactlyInAnyOrder(postProcessTestInstanceKey, preDestroyCallbackTestInstanceKey, containerExecutionConditionKey, beforeAllCallbackKey, testTemplateKey, testExecutionConditionKey1, beforeEachCallbackKey1, afterEachCallbackKey1, testExecutionConditionKey2, beforeEachCallbackKey2, afterEachCallbackKey2, testExecutionConditionKey3, beforeEachCallbackKey3, afterEachCallbackKey3, afterAllCallbackKey);
    // @formatter:on
    TestInstances testInstances = instanceMap.get(beforeAllCallbackKey);
    assertNotNull(testInstances.getInnermostInstance());
    assertSame(testInstances, instanceMap.get(afterAllCallbackKey));
    assertSame(testInstances, instanceMap.get(testExecutionConditionKey1));
    assertSame(testInstances, instanceMap.get(beforeEachCallbackKey1));
    assertSame(testInstances, instanceMap.get(afterEachCallbackKey1));
    assertSame(testInstances, instanceMap.get(testExecutionConditionKey2));
    assertSame(testInstances, instanceMap.get(beforeEachCallbackKey2));
    assertSame(testInstances, instanceMap.get(afterEachCallbackKey2));
    assertSame(testInstances, instanceMap.get(testExecutionConditionKey3));
    assertSame(testInstances, instanceMap.get(beforeEachCallbackKey3));
    assertSame(testInstances, instanceMap.get(afterEachCallbackKey3));
    assertSame(testInstances.getInnermostInstance(), instanceMap.get(postProcessTestInstanceKey).getInnermostInstance());
    assertSame(testInstances.getInnermostInstance(), instanceMap.get(preDestroyCallbackTestInstanceKey).getInnermostInstance());
    assertNull(instanceMap.get(containerExecutionConditionKey));
    assertThat(lifecyclesMap.keySet()).containsExactly(testClass);
    assertThat(lifecyclesMap.get(testClass).stream()).allMatch(Lifecycle.PER_CLASS::equals);
}