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How to use findSharedContainers method of org.testcontainers.junit.jupiter.TestcontainersExtension class

Best Testcontainers-java code snippet using org.testcontainers.junit.jupiter.TestcontainersExtension.findSharedContainers

Source:TestcontainersExtension.java

...44    public void beforeAll(ExtensionContext context) {45        Class<?> testClass = context.getTestClass()46            .orElseThrow(() -> new ExtensionConfigurationException("TestcontainersExtension is only supported for classes."));47        Store store = context.getStore(NAMESPACE);48        List<StoreAdapter> sharedContainersStoreAdapters = findSharedContainers(testClass);49        sharedContainersStoreAdapters.forEach(adapter -> store.getOrComputeIfAbsent(adapter.getKey(), k -> adapter.start()));50        List<TestLifecycleAware> lifecycleAwareContainers = sharedContainersStoreAdapters51            .stream()52            .filter(this::isTestLifecycleAware)53            .map(lifecycleAwareAdapter -> (TestLifecycleAware) lifecycleAwareAdapter.container)54            .collect(toList());55        store.put(SHARED_LIFECYCLE_AWARE_CONTAINERS, lifecycleAwareContainers);56        signalBeforeTestToContainers(lifecycleAwareContainers, testDescriptionFrom(context));57    }58    @Override59    public void afterAll(ExtensionContext context) {60        signalAfterTestToContainersFor(SHARED_LIFECYCLE_AWARE_CONTAINERS, context);61    }62    @Override63    public void beforeEach(final ExtensionContext context) {64        Store store = context.getStore(NAMESPACE);65        List<TestLifecycleAware> lifecycleAwareContainers = collectParentTestInstances(context).parallelStream()66            .flatMap(this::findRestartContainers)67            .peek(adapter -> store.getOrComputeIfAbsent(adapter.getKey(), k -> adapter.start()))68            .filter(this::isTestLifecycleAware)69            .map(lifecycleAwareAdapter -> (TestLifecycleAware) lifecycleAwareAdapter.container)70            .collect(toList());71        store.put(LOCAL_LIFECYCLE_AWARE_CONTAINERS, lifecycleAwareContainers);72        signalBeforeTestToContainers(lifecycleAwareContainers, testDescriptionFrom(context));73    }74    @Override75    public void afterEach(ExtensionContext context) {76        signalAfterTestToContainersFor(LOCAL_LIFECYCLE_AWARE_CONTAINERS, context);77    }78    private void signalBeforeTestToContainers(List<TestLifecycleAware> lifecycleAwareContainers, TestDescription testDescription) {79        lifecycleAwareContainers.forEach(container -> container.beforeTest(testDescription));80    }81    private void signalAfterTestToContainersFor(String storeKey, ExtensionContext context) {82        List<TestLifecycleAware> lifecycleAwareContainers =83            (List<TestLifecycleAware>) context.getStore(NAMESPACE).get(storeKey);84        if (lifecycleAwareContainers != null) {85            TestDescription description = testDescriptionFrom(context);86            Optional<Throwable> throwable = context.getExecutionException();87            lifecycleAwareContainers.forEach(container -> container.afterTest(description, throwable));88        }89    }90    private TestDescription testDescriptionFrom(ExtensionContext context) {91        return new TestcontainersTestDescription(92            context.getUniqueId(),93            filesystemFriendlyNameOf(context)94        );95    }96    private boolean isTestLifecycleAware(StoreAdapter adapter) {97        return adapter.container instanceof TestLifecycleAware;98    }99    @Override100    public ConditionEvaluationResult evaluateExecutionCondition(ExtensionContext context) {101        return findTestcontainers(context).map(this::evaluate)102            .orElseThrow(() -> new ExtensionConfigurationException("@Testcontainers not found"));103    }104    private Optional<Testcontainers> findTestcontainers(ExtensionContext context) {105        Optional<ExtensionContext> current = Optional.of(context);106        while (current.isPresent()) {107            Optional<Testcontainers> testcontainers = AnnotationUtils.findAnnotation(current.get().getRequiredTestClass(), Testcontainers.class);108            if (testcontainers.isPresent()) {109                return testcontainers;110            }111            current = current.get().getParent();112        }113        return Optional.empty();114    }115    private ConditionEvaluationResult evaluate(Testcontainers testcontainers) {116        if (testcontainers.disabledWithoutDocker()) {117            if (isDockerAvailable()) {118                return ConditionEvaluationResult.enabled("Docker is available");119            }120            return ConditionEvaluationResult.disabled("disabledWithoutDocker is true and Docker is not available");121        }122        return ConditionEvaluationResult.enabled("disabledWithoutDocker is false");123    }124    boolean isDockerAvailable() {125        try {126            DockerClientFactory.instance().client();127            return true;128        } catch (Throwable ex) {129            return false;130        }131    }132    private Set<Object> collectParentTestInstances(final ExtensionContext context) {133        Set<Object> testInstances = new LinkedHashSet<>();134        Optional<ExtensionContext> current = Optional.of(context);135        while (current.isPresent()) {136            ExtensionContext ctx = current.get();137            Object testInstance = ctx.getStore(NAMESPACE).remove(TEST_INSTANCE);138            if (testInstance != null) {139                testInstances.add(testInstance);140            }141            current = ctx.getParent();142        }143        return testInstances;144    }145    private List<StoreAdapter> findSharedContainers(Class<?> testClass) {146        return ReflectionUtils.findFields(147                testClass,148                isSharedContainer(),149                ReflectionUtils.HierarchyTraversalMode.TOP_DOWN)150            .stream()151            .map(f -> getContainerInstance(null, f))152            .collect(toList());153    }154    private Predicate<Field> isSharedContainer() {155        return isContainer().and(ReflectionUtils::isStatic);156    }157    private Stream<StoreAdapter> findRestartContainers(Object testInstance) {158        return ReflectionUtils.findFields(159                testInstance.getClass(),...

findSharedContainers

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import org.junit.jupiter.api.extension.ExtendWith;3import org.testcontainers.containers.GenericContainer;4import org.testcontainers.junit.jupiter.Container;5import org.testcontainers.junit.jupiter.Testcontainers;6@ExtendWith(TestcontainersExtension.class)7class TestcontainersExtensionTest {8    private final GenericContainer<?> container1 = new GenericContainer<>("alpine:3.9.3")9            .withCommand("tail", "-f", "/dev/null");10    private final GenericContainer<?> container2 = new GenericContainer<>("alpine:3.9.3")11            .withCommand("tail", "-f", "/dev/null");12    void test() {13        System.out.println("Container1: " + container1.getContainerId());14        System.out.println("Container2: " + container2.getContainerId());15    }16}17package com.testcontainers.testcontainersextensiontest;18import org.junit.jupiter.api.Test;19import org.junit.jupiter.api.extension.ExtendWith;20import org.testcontainers.containers.GenericContainer;21import org.testcontainers.junit.jupiter.Container;22import org.testcontainers.junit.jupiter.Testcontainers;23import org.testcontainers.junit.jupiter.extension.TestcontainersExtension;24@ExtendWith(TestcontainersExtension.class)25class SharedContainerTest {26    private final GenericContainer<?> container1 = new GenericContainer<>("alpine:3.9.3")27            .withCommand("tail", "-f", "/dev/null");28    private final GenericContainer<?> container2 = new GenericContainer<>("alpine:3.9.3")29            .withCommand("tail", "-f", "/dev/null");30    void test() {31        System.out.println("Container1: " + container1.getContainerId());

findSharedContainers

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import org.junit.jupiter.api.extension.ExtendWith;3import org.testcontainers.containers.GenericContainer;4import org.testcontainers.junit.jupiter.Container;5import org.testcontainers.junit.jupiter.Testcontainers;6import java.util.List;7@ExtendWith(TestcontainersExtension.class)8public class SharedContainerTest {9    private GenericContainer<?> container1 = new GenericContainer<>("alpine:3.8");10    private GenericContainer<?> container2 = new GenericContainer<>("alpine:3.8");11    void test1() {12        System.out.println("container1 = " + container1.getContainerId());13        System.out.println("container2 = " + container2.getContainerId());14    }15    void test2() {16        System.out.println("container1 = " + container1.getContainerId());17        System.out.println("container2 = " + container2.getContainerId());18    }19    void test3(TestcontainersExtension extension) {20        List<GenericContainer<?>> sharedContainers = extension.findSharedContainers(container1, container2);21        System.out.println("sharedContainers = " + sharedContainers);22    }23}24sharedContainers = [GenericContainer (image name: alpine:3.8, container state: Started)]

findSharedContainers

Using AI Code Generation

1org.testcontainers.junit.jupiter.TestcontainersExtension.findSharedContainers(java.lang.Class<? extends org.testcontainers.junit.jupiter.TestcontainersExtension>)2org.testcontainers.junit.jupiter.TestcontainersExtension.findSharedContainers(java.lang.Class<? extends org.testcontainers.junit.jupiter.TestcontainersExtension>)3public static <T extends org.testcontainers.junit.jupiter.TestcontainersExtension> java.util.List<T> findSharedContainers(java.lang.Class<T> extensionClass)4public static <T extends org.testcontainers.junit.jupiter.TestcontainersExtension> java.util.List<T> findSharedContainers(java.lang.Class<T> extensionClass)5public static void registerExtension(org.junit.jupiter.api.extension.Extension extension)6public static void registerExtension(org.junit.jupiter.api.extension.Extension extension, boolean shared)7public static void registerExtension(org.junit.jupiter.api.extension.Extension extension, boolean shared, java.util.function.Supplier<org.testcontainers.lifecycle.TestDescription> testDescriptionSupplier)8public static void registerExtension(org.junit.jupiter.api.extension.Extension extension, java.util.function.Supplier<org.testcontainers.lifecycle.TestDescription> testDescriptionSupplier)9public static void unregisterExtension(org.junit.jupiter.api.extension.Extension extension)10public static void unregisterExtension(org.junit.jupiter.api.extension.Extension extension, boolean shared)11public static void unregisterExtension(org.junit.jupiter.api.extension.Extension extension, boolean shared, java.util.function.Supplier<org.testcontainers.lifecycle.TestDescription> testDescriptionSupplier)12public static void unregisterExtension(org.junit.jupiter.api.extension.Extension extension, java.util.function.Supplier<org.testcontainers.lifecycle.TestDescription> testDescriptionSupplier)13public static void registerTestDescriptionProvider(java.util.function.Supplier<org.testcontainers.lifecycle.TestDescription> testDescriptionSupplier)14public static void unregisterTestDescriptionProvider(java.util.function.Supplier<org.testcontainers

findSharedContainers

Using AI Code Generation

1@ExtendWith(TestcontainersExtension.class)2public class SharedContainerTest {3    public static GenericContainer sharedContainer = new GenericContainer("alpine:3.9.3")4        .withCommand("tail", "-f", "/dev/null")5        .withSharedMemorySize(2 * 1024 * 1024L);6    public void testSharedContainer() {7        sharedContainer.execInContainer("sh", "-c", "echo 'Hello World' > /hello");8        sharedContainer.execInContainer("sh", "-c", "cat /hello");9    }10}11@ExtendWith(TestcontainersExtension.class)12public class SharedContainerTest {13    public static GenericContainer sharedContainer = new GenericContainer("alpine:3.9.3")14        .withCommand("tail", "-f", "/dev/null")15        .withSharedMemorySize(2 * 1024 * 1024L);16    public void testSharedContainer() {17        sharedContainer.execInContainer("sh", "-c", "echo 'Hello World' > /hello");18        sharedContainer.execInContainer("sh", "-c", "cat /hello");19    }20}21@ExtendWith(TestcontainersExtension.class)22public class SharedContainerTest {23    public static GenericContainer sharedContainer = new GenericContainer("alpine:3.9.3")24        .withCommand("tail", "-f", "/dev/null")25        .withSharedMemorySize(2 * 1024 * 1024L);26    public void testSharedContainer() {27        sharedContainer.execInContainer("sh", "-c", "echo 'Hello World' > /hello");28        sharedContainer.execInContainer("sh", "-c", "cat /hello");29    }30}31@ExtendWith(TestcontainersExtension.class)32public class SharedContainerTest {33    public static GenericContainer sharedContainer = new GenericContainer("alpine:3.9.3")34        .withCommand("tail", "-f", "/dev/null")35        .withSharedMemorySize(2 * 1024 *

findSharedContainers

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import org.junit.jupiter.api.extension.ExtendWith;3import org.testcontainers.containers.GenericContainer;4import org.testcontainers.junit.jupiter.Container;5import org.testcontainers.junit.jupiter.Testcontainers;6import org.testcontainers.junit.jupiter.TestcontainersExtension;7import java.util.List;8import static org.hamcrest.CoreMatchers.is;9import static org.hamcrest.MatcherAssert.assertThat;10@ExtendWith(TestcontainersExtension.class)11public class TestContainersTest {12    private GenericContainer redis = new GenericContainer("redis:3.2.8").withExposedPorts(6379);13    public void test1() {14        System.out.println("test1");15        List<GenericContainer> sharedContainers = TestcontainersExtension.findSharedContainers(TestContainersTest.class);16        assertThat(sharedContainers.size(), is(1));17        assertThat(sharedContainers.get(0), is(redis));18    }19    public void test2() {20        System.out.println("test2");21        List<GenericContainer> sharedContainers = TestcontainersExtension.findSharedContainers(TestContainersTest.class);22        assertThat(sharedContainers.size(), is(1));23        assertThat(sharedContainers.get(0), is(redis));24    }25}

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