Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

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

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

Source:TestcontainersExtension.java

...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(),160                isRestartContainer(),161                ReflectionUtils.HierarchyTraversalMode.TOP_DOWN)162            .stream()163            .map(f -> getContainerInstance(testInstance, f));164    }165    private Predicate<Field> isRestartContainer() {166        return isContainer().and(ReflectionUtils::isNotStatic);167    }168    private static Predicate<Field> isContainer() {169        return field -> {170            boolean isAnnotatedWithContainer = AnnotationSupport.isAnnotated(field, Container.class);171            if (isAnnotatedWithContainer) {172                boolean isStartable = Startable.class.isAssignableFrom(field.getType());173                if (!isStartable) {174                    throw new ExtensionConfigurationException(String.format("FieldName: %s does not implement Startable", field.getName()));175                }176                return true;177            }178            return false;179        };180    }181    private static StoreAdapter getContainerInstance(final Object testInstance, final Field field) {182        try {183            field.setAccessible(true);184            Startable containerInstance = Preconditions.notNull((Startable) field.get(testInstance), "Container " + field.getName() + " needs to be initialized");185            return new StoreAdapter(field.getDeclaringClass(), field.getName(), containerInstance);186        } catch (IllegalAccessException e) {187            throw new ExtensionConfigurationException("Can not access container defined in field " + field.getName());188        }189    }190    /**191     * An adapter for {@link Startable} that implement {@link CloseableResource}192     * thereby letting the JUnit automatically stop containers once the current193     * {@link ExtensionContext} is closed.194     */195    private static class StoreAdapter implements CloseableResource {...

getContainerInstance

Using AI Code Generation

1public class TestcontainersExtensionTest {2    private static GenericContainer<?> container = new GenericContainer<>("alpine:3.8")3            .withCommand("tail", "-f", "/dev/null");4    public void test() {5        ContainerState state = getContainerInstance(container).getState();6        assertEquals(ContainerState.RUNNING, state);7    }8}

getContainerInstance

Using AI Code Generation

1public class TestcontainersExtensionTest {2    private static final GenericContainer<?> container = new GenericContainer<>("alpine:3.8")3            .withCommand("tail", "-f", "/dev/null");4    void test() {5        final GenericContainer<?> container = TestcontainersExtension.getContainerInstance(GenericContainer.class);6        assertThat(container).isNotNull();7        assertThat(container.isRunning()).isTrue();8    }9}10        final GenericContainer<?> container = TestcontainersExtension.getContainerInstance(GenericContainer.class);

getContainerInstance

Using AI Code Generation

1    public class TestContainersTest {2        public static PostgreSQLContainer postgres = new PostgreSQLContainer("postgres:11.1")3                .withDatabaseName("test")4                .withUsername("test")5                .withPassword("test");6        public void test() {7            System.out.println("host: " + postgres.getContainerIpAddress());8            System.out.println("port: " + postgres.getFirstMappedPort());9            System.out.println("db: " + postgres.getDatabaseName());10            System.out.println("user: " + postgres.getUsername());11            System.out.println("password: " + postgres.getPassword());12        }13    }

getContainerInstance

Using AI Code Generation

1import org.testcontainers.containers.GenericContainer;2import org.testcontainers.junit.jupiter.Container;3import org.testcontainers.junit.jupiter.Testcontainers;4public class TestContainersExtensionTest {5    private static GenericContainer redis = new GenericContainer("redis:latest").withExposedPorts(6379);6    public void test() {7        GenericContainer redis = TestcontainersExtension.getContainerInstance(TestContainersExtensionTest.class, "redis");8        Assertions.assertNotNull(redis);9    }10}

getContainerInstance

Using AI Code Generation

1public class TestContainerTest {2    private static final PostgreSQLContainer<?> postgres = new PostgreSQLContainer<>();3    public void test() {4    }5}6public class TestContainerTest {7    private static final PostgreSQLContainer<?> postgres = TestcontainersExtension.getContainerInstance(PostgreSQLContainer.class);8    public void test() {9    }10}11public class TestContainerTest {12    private static final PostgreSQLContainer<?> postgres = TestcontainersExtension.getContainerInstance(PostgreSQLContainer.class, "postgres");13    public void test() {14    }15}16public class TestContainerTest {17    private static final PostgreSQLContainer<?> postgres = TestcontainersExtension.getContainerInstance(PostgreSQLContainer.class, "postgres", "9.6.8");18    public void test() {19    }20}21public class TestContainerTest {22    private static final PostgreSQLContainer<?> postgres = TestcontainersExtension.getContainerInstance(PostgreSQLContainer.class, "postgres", "9.6.8", "postgres:9.6.8");23    public void test() {24    }25}26public class TestContainerTest {27    private static final PostgreSQLContainer<?> postgres = TestcontainersExtension.getContainerInstance(PostgreSQLContainer.class, "postgres", "9.6.8", "postgres:9.6.8", "postgres");28    public void test() {29    }30}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.