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How to use createContainerAnswer method of org.testcontainers.containers.ReusabilityUnitTests class

Best Testcontainers-java code snippet using org.testcontainers.containers.ReusabilityUnitTests.createContainerAnswer

Source:ReusabilityUnitTests.java

...118        @Test119        public void shouldSetLabelsIfEnvironmentDoesNotSupportReuse() {120            Mockito.doReturn(false).when(TestcontainersConfiguration.getInstance()).environmentSupportsReuse();121            String containerId = randomContainerId();122            when(client.createContainerCmd(any())).then(createContainerAnswer(containerId));123            when(client.listContainersCmd()).then(listContainersAnswer());124            when(client.startContainerCmd(containerId)).then(startContainerAnswer());125            when(client.inspectContainerCmd(containerId)).then(inspectContainerAnswer());126            container.start();127            assertThat(script).containsExactly(128                "containerIsCreated",129                "containerIsStarting(reused=false)",130                "containerIsStarted(reused=false)"131            );132        }133        @Test134        public void shouldCallHookIfReused() {135            Mockito.doReturn(true).when(TestcontainersConfiguration.getInstance()).environmentSupportsReuse();136            String containerId = randomContainerId();137            when(client.createContainerCmd(any())).then(createContainerAnswer(containerId));138            String existingContainerId = randomContainerId();139            when(client.listContainersCmd()).then(listContainersAnswer(existingContainerId));140            when(client.inspectContainerCmd(existingContainerId)).then(inspectContainerAnswer());141            container.start();142            assertThat(script).containsExactly(143                "containerIsStarting(reused=true)",144                "containerIsStarted(reused=true)"145            );146        }147        @Test148        public void shouldNotCallHookIfNotReused() {149            String containerId = randomContainerId();150            when(client.createContainerCmd(any())).then(createContainerAnswer(containerId));151            when(client.listContainersCmd()).then(listContainersAnswer());152            when(client.startContainerCmd(containerId)).then(startContainerAnswer());153            when(client.inspectContainerCmd(containerId)).then(inspectContainerAnswer());154            container.start();155            assertThat(script).containsExactly(156                "containerIsCreated",157                "containerIsStarting(reused=false)",158                "containerIsStarted(reused=false)"159            );160        }161    }162    @RunWith(BlockJUnit4ClassRunner.class)163    @FieldDefaults(makeFinal = true)164    public static class HashTest extends AbstractReusabilityTest {165        protected GenericContainer<?> container = makeReusable(new GenericContainer(TINY_IMAGE) {166            @Override167            public void copyFileToContainer(MountableFile mountableFile, String containerPath) {168                // NOOP169            }170        });171        @Test172        public void shouldStartIfListReturnsEmpty() {173            String containerId = randomContainerId();174            when(client.createContainerCmd(any())).then(createContainerAnswer(containerId));175            when(client.listContainersCmd()).then(listContainersAnswer());176            when(client.startContainerCmd(containerId)).then(startContainerAnswer());177            when(client.inspectContainerCmd(containerId)).then(inspectContainerAnswer());178            container.start();179            Mockito.verify(client, Mockito.atLeastOnce()).startContainerCmd(containerId);180        }181        @Test182        public void shouldReuseIfListReturnsID() {183            Mockito.doReturn(true).when(TestcontainersConfiguration.getInstance()).environmentSupportsReuse();184            String containerId = randomContainerId();185            when(client.createContainerCmd(any())).then(createContainerAnswer(containerId));186            String existingContainerId = randomContainerId();187            when(client.listContainersCmd()).then(listContainersAnswer(existingContainerId));188            when(client.inspectContainerCmd(existingContainerId)).then(inspectContainerAnswer());189            container.start();190            Mockito.verify(client, Mockito.never()).startContainerCmd(containerId);191            Mockito.verify(client, Mockito.never()).startContainerCmd(existingContainerId);192        }193        @Test194        public void shouldSetLabelsIfEnvironmentDoesNotSupportReuse() {195            Mockito.doReturn(false).when(TestcontainersConfiguration.getInstance()).environmentSupportsReuse();196            AtomicReference<CreateContainerCmd> commandRef = new AtomicReference<>();197            String containerId = randomContainerId();198            when(client.createContainerCmd(any())).then(createContainerAnswer(containerId, commandRef::set));199            when(client.startContainerCmd(containerId)).then(startContainerAnswer());200            when(client.inspectContainerCmd(containerId)).then(inspectContainerAnswer());201            container.start();202            assertThat(commandRef)203                .isNotNull()204                .satisfies(command -> {205                    assertThat(command.get().getLabels())206                        .containsKeys(DockerClientFactory.TESTCONTAINERS_SESSION_ID_LABEL);207                });208        }209        @Test210        public void shouldSetCopiedFilesHashLabel() {211            Mockito.doReturn(true).when(TestcontainersConfiguration.getInstance()).environmentSupportsReuse();212            AtomicReference<CreateContainerCmd> commandRef = new AtomicReference<>();213            String containerId = randomContainerId();214            when(client.createContainerCmd(any())).then(createContainerAnswer(containerId, commandRef::set));215            when(client.listContainersCmd()).then(listContainersAnswer());216            when(client.startContainerCmd(containerId)).then(startContainerAnswer());217            when(client.inspectContainerCmd(containerId)).then(inspectContainerAnswer());218            container.start();219            assertThat(commandRef).isNotNull();220            assertThat(commandRef.get().getLabels())221                .containsKeys(GenericContainer.COPIED_FILES_HASH_LABEL);222        }223        @Test224        public void shouldHashCopiedFiles() {225            Mockito.doReturn(true).when(TestcontainersConfiguration.getInstance()).environmentSupportsReuse();226            AtomicReference<CreateContainerCmd> commandRef = new AtomicReference<>();227            String containerId = randomContainerId();228            when(client.createContainerCmd(any())).then(createContainerAnswer(containerId, commandRef::set));229            when(client.listContainersCmd()).then(listContainersAnswer());230            when(client.startContainerCmd(containerId)).then(startContainerAnswer());231            when(client.inspectContainerCmd(containerId)).then(inspectContainerAnswer());232            container.start();233            assertThat(commandRef).isNotNull();234            Map<String, String> labels = commandRef.get().getLabels();235            assertThat(labels).containsKeys(GenericContainer.COPIED_FILES_HASH_LABEL);236            String oldHash = labels.get(GenericContainer.COPIED_FILES_HASH_LABEL);237            // Simulate stop238            container.containerId = null;239            container.withCopyFileToContainer(240                MountableFile.forClasspathResource("test_copy_to_container.txt"),241                "/foo/bar"242            );243            container.start();244            assertThat(commandRef.get().getLabels()).hasEntrySatisfying(GenericContainer.COPIED_FILES_HASH_LABEL, newHash -> {245                assertThat(newHash).as("new hash").isNotEqualTo(oldHash);246            });247        }248    }249    @RunWith(BlockJUnit4ClassRunner.class)250    @FieldDefaults(makeFinal = true)251    public static class CopyFilesHashTest {252        GenericContainer<?> container = new GenericContainer<>(TINY_IMAGE);253        @Test254        public void empty() {255            assertThat(container.hashCopiedFiles()).isNotNull();256        }257        @Test258        public void oneFile() {259            long emptyHash = container.hashCopiedFiles().getValue();260            container.withCopyFileToContainer(261                MountableFile.forClasspathResource("test_copy_to_container.txt"),262                "/foo/bar"263            );264            assertThat(container.hashCopiedFiles().getValue()).isNotEqualTo(emptyHash);265        }266        @Test267        public void differentPath() {268            MountableFile mountableFile = MountableFile.forClasspathResource("test_copy_to_container.txt");269            container.withCopyFileToContainer(mountableFile, "/foo/bar");270            long hash1 = container.hashCopiedFiles().getValue();271            container.getCopyToFileContainerPathMap().clear();272            container.withCopyFileToContainer(mountableFile, "/foo/baz");273            assertThat(container.hashCopiedFiles().getValue()).isNotEqualTo(hash1);274        }275        @Test276        public void detectsChangesInFile() throws Exception {277            Path path = File.createTempFile("reusable_test", ".txt").toPath();278            MountableFile mountableFile = MountableFile.forHostPath(path);279            container.withCopyFileToContainer(mountableFile, "/foo/bar");280            long hash1 = container.hashCopiedFiles().getValue();281            Files.write(path, UUID.randomUUID().toString().getBytes());282            assertThat(container.hashCopiedFiles().getValue()).isNotEqualTo(hash1);283        }284        @Test285        public void multipleFiles() {286            container.withCopyFileToContainer(287                MountableFile.forClasspathResource("test_copy_to_container.txt"),288                "/foo/bar"289            );290            long hash1 = container.hashCopiedFiles().getValue();291            container.withCopyFileToContainer(292                MountableFile.forClasspathResource("mappable-resource/test-resource.txt"),293                "/foo/baz"294            );295            assertThat(container.hashCopiedFiles().getValue()).isNotEqualTo(hash1);296        }297        @Test298        public void folder() throws Exception {299            long emptyHash = container.hashCopiedFiles().getValue();300            Path tempDirectory = Files.createTempDirectory("reusable_test");301            MountableFile mountableFile = MountableFile.forHostPath(tempDirectory);302            container.withCopyFileToContainer(mountableFile, "/foo/bar/");303            assertThat(container.hashCopiedFiles().getValue()).isNotEqualTo(emptyHash);304        }305        @Test306        public void changesInFolder() throws Exception {307            Path tempDirectory = Files.createTempDirectory("reusable_test");308            MountableFile mountableFile = MountableFile.forHostPath(tempDirectory);309            assertThat(new File(mountableFile.getResolvedPath())).isDirectory();310            container.withCopyFileToContainer(mountableFile, "/foo/bar/");311            long hash1 = container.hashCopiedFiles().getValue();312            Path fileInFolder = Files.createFile(313                // Create file in the sub-folder314                Files.createDirectory(tempDirectory.resolve("sub")).resolve("test.txt")315            );316            assertThat(fileInFolder).exists();317            Files.write(fileInFolder, UUID.randomUUID().toString().getBytes());318            assertThat(container.hashCopiedFiles().getValue()).isNotEqualTo(hash1);319        }320        @Test321        public void folderAndFile() throws Exception {322            Path tempDirectory = Files.createTempDirectory("reusable_test");323            MountableFile mountableFile = MountableFile.forHostPath(tempDirectory);324            assertThat(new File(mountableFile.getResolvedPath())).isDirectory();325            container.withCopyFileToContainer(mountableFile, "/foo/bar/");326            long hash1 = container.hashCopiedFiles().getValue();327            container.withCopyFileToContainer(328                MountableFile.forClasspathResource("test_copy_to_container.txt"),329                "/foo/baz"330            );331            assertThat(container.hashCopiedFiles().getValue()).isNotEqualTo(hash1);332        }333        @Test334        public void filePermissions() throws Exception {335            Path path = File.createTempFile("reusable_test", ".txt").toPath();336            path.toFile().setExecutable(false);337            MountableFile mountableFile = MountableFile.forHostPath(path);338            container.withCopyFileToContainer(mountableFile, "/foo/bar");339            long hash1 = container.hashCopiedFiles().getValue();340            assumeThat(path.toFile().canExecute()).isFalse();341            path.toFile().setExecutable(true);342            assertThat(container.hashCopiedFiles().getValue()).isNotEqualTo(hash1);343        }344        @Test345        public void folderPermissions() throws Exception {346            Path tempDirectory = Files.createTempDirectory("reusable_test");347            MountableFile mountableFile = MountableFile.forHostPath(tempDirectory);348            assertThat(new File(mountableFile.getResolvedPath())).isDirectory();349            Path subDir = Files.createDirectory(tempDirectory.resolve("sub"));350            subDir.toFile().setWritable(false);351            assumeThat(subDir.toFile().canWrite()).isFalse();352            container.withCopyFileToContainer(mountableFile, "/foo/bar/");353            long hash1 = container.hashCopiedFiles().getValue();354            subDir.toFile().setWritable(true);355            assumeThat(subDir.toFile()).canWrite();356            assertThat(container.hashCopiedFiles().getValue()).isNotEqualTo(hash1);357        }358    }359    @FieldDefaults(makeFinal = true)360    public static abstract class AbstractReusabilityTest {361        @Rule362        public MockTestcontainersConfigurationRule configurationMock = new MockTestcontainersConfigurationRule();363        protected DockerClient client = Mockito.mock(DockerClient.class);364        protected <T extends GenericContainer<?>> T makeReusable(T container) {365            container.dockerClient = client;366            container.withNetworkMode("none"); // to disable the port forwarding367            container.withStartupCheckStrategy(new StartupCheckStrategy() {368                @Override369                public boolean waitUntilStartupSuccessful(DockerClient dockerClient, String containerId) {370                    // Skip DockerClient rate limiter371                    return true;372                }373                @Override374                public StartupStatus checkStartupState(DockerClient dockerClient, String containerId) {375                    return StartupStatus.SUCCESSFUL;376                }377            });378            container.waitingFor(new AbstractWaitStrategy() {379                @Override380                protected void waitUntilReady() {381                }382            });383            container.withReuse(true);384            return container;385        }386        protected String randomContainerId() {387            return UUID.randomUUID().toString();388        }389        protected Answer<ListContainersCmd> listContainersAnswer(String... ids) {390            return invocation -> {391                ListContainersCmd.Exec exec = command -> {392                    return new ObjectMapper().convertValue(393                        Stream.of(ids)394                            .map(id -> Collections.singletonMap("Id", id))395                            .collect(Collectors.toList()),396                        new TypeReference<List<Container>>() {}397                    );398                };399                return new ListContainersCmdImpl(exec);400            };401        }402        protected Answer<CreateContainerCmd> createContainerAnswer(String containerId) {403            return createContainerAnswer(containerId, command -> {});404        }405        protected Answer<CreateContainerCmd> createContainerAnswer(String containerId, Consumer<CreateContainerCmd> cmdConsumer) {406            return invocation -> {407                CreateContainerCmd.Exec exec = command -> {408                    cmdConsumer.accept(command);409                    CreateContainerResponse response = new CreateContainerResponse();410                    response.setId(containerId);411                    return response;412                };413                return new CreateContainerCmdImpl(exec, null, "image:latest");414            };415        }416        protected Answer<StartContainerCmd> startContainerAnswer() {417            return invocation -> {418                StartContainerCmd.Exec exec = command -> {419                    return null;...

createContainerAnswer

Using AI Code Generation

1import org.testcontainers.containers.ReusabilityUnitTests2import org.testcontainers.containers.GenericContainer3import org.testcontainers.containers.output.Slf4jLogConsumer4import org.slf4j.LoggerFactory5def log = LoggerFactory.getLogger("org.testcontainers.containers.ReusabilityUnitTests")6def container = ReusabilityUnitTests.createContainerAnswer()7container.withLogConsumer(new Slf4jLogConsumer(log))8container.start()9container.stop()10container.start()11container.stop()12container.start()13container.stop()14container.start()15container.stop()16def container = ReusabilityUnitTests.createContainerAnswer()17container.withLogConsumer(new Slf4jLogConsumer(log))18container.start()19container.stop()20container.start()21container.stop()22container.start()23container.stop()24container.start()25container.stop()26def container = ReusabilityUnitTests.createContainerAnswer()27container.withLogConsumer(new Slf4jLogConsumer(log))28container.start()29container.stop()30container.start()31container.stop()32container.start()33container.stop()34container.start()35container.stop()36def container = ReusabilityUnitTests.createContainerAnswer()

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