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

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

Source:ReusabilityUnitTests.java

...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;420                };421                return new StartContainerCmdImpl(exec, invocation.getArgument(0));422            };423        }424        protected Answer<InspectContainerCmd> inspectContainerAnswer() {425            return invocation -> {426                InspectContainerCmd.Exec exec = command -> {427                    InspectContainerResponse stubResponse = Mockito.mock(InspectContainerResponse.class, Answers.RETURNS_DEEP_STUBS);428                    when(stubResponse.getNetworkSettings().getPorts().getBindings()).thenReturn(Collections.emptyMap());429                    return stubResponse;430                };431                return new InspectContainerCmdImpl(exec, invocation.getArgument(0));432            };433        }434    }435}...

empty

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import org.testcontainers.containers.GenericContainer;3import org.testcontainers.containers.ReusabilityUnitTests;4import org.testcontainers.containers.wait.strategy.Wait;5import org.testcontainers.utility.DockerImageName;6import java.time.Duration;7import static org.junit.jupiter.api.Assertions.assertEquals;8public class ReusabilityTest {9    void test() {10        ReusabilityUnitTests test = new ReusabilityUnitTests();11        test.testReusability();12    }13    void testReusability() {14        GenericContainer container = new GenericContainer(DockerImageName.parse("alpine:3.2"))15            .withCommand("sh", "-c", "while true; do sleep 1; done")16            .waitingFor(Wait.forLogMessage(".*", 1))17            .withStartupTimeout(Duration.ofSeconds(30));18        container.start();19        assertEquals(container, container);20        container.stop();21    }22}

empty

Using AI Code Generation

1package org.testcontainers.containers;2import org.junit.Test;3import static org.junit.Assert.*;4public class ReusabilityUnitTests {5    public void testEmpty() {6        assertTrue(ReusabilityUnitTests.empty());7    }8}9import org.junit.Test;10import static org.junit.Assert.*;11public class ReusabilityUnitTests {12    public static boolean empty() {13        return true;14    }15}16public class ReusabilityUnitTests {17    public static boolean empty() {18        return true;19    }20}21import org.junit.Test;22import static org.junit.Assert.*;23public class ReusabilityUnitTests {24    public static boolean empty() {25        return true;26    }27}28public class ReusabilityUnitTests {29    public static boolean empty() {30        return true;31    }32}33import org.junit.Test;34import static org.junit.Assert.*;35public class ReusabilityUnitTests {36    public static boolean empty() {37        return true;38    }39}40import org.junit.Test;41import static org.junit.Assert.*;42public class ReusabilityUnitTests {43    public static boolean empty() {44        return true;45    }46}47import org.junit.Test;48import static org.junit.Assert.*;49public class ReusabilityUnitTests {50    public static boolean empty() {51        return true;52    }53}54import org.junit.Test;55import static org.junit.Assert.*;56public class ReusabilityUnitTests {57    public static boolean empty() {58        return true;59    }60}61import org.junit.Test;62import static org.junit.Assert.*;63public class ReusabilityUnitTests {64    public static boolean empty() {65        return true;66    }67}68import org.junit.Test;69import static org.junit.Assert.*;70public class ReusabilityUnitTests {71    public static boolean empty() {72        return true;73    }74}75import org.junit.Test;76import static org.junit.Assert.*;77public class ReusabilityUnitTests {78    public static boolean empty() {79        return true;80    }81}82import org.junit.Test;83import static org.junit.Assert.*;84public class ReusabilityUnitTests {85    public static boolean empty() {86        return true;87    }88}89import org.junit.Test;90import static org.junit.Assert.*;91public class ReusabilityUnitTests {92    public static boolean empty() {93        return true;94    }95}96import org.junit.Test;97import static org.junit.Assert.*;98public class ReusabilityUnitTests {99    public static boolean empty() {100        return true;

empty

Using AI Code Generation

1package org.testcontainers.containers;2import static org.junit.Assert.assertTrue;3import java.io.IOException;4import java.util.concurrent.CountDownLatch;5import java.util.concurrent.TimeUnit;6import java.util.concurrent.atomic.AtomicInteger;7import org.junit.Test;8import org.rnorth.ducttape.unreliables.Unreliables;9import org.testcontainers.containers.output.Slf4jLogConsumer;10import lombok.extern.slf4j.Slf4j;11public class ReusabilityUnitTests {12    public void testReusability() throws IOException {13        final GenericContainer container = new GenericContainer("alpine:3.4")14            .withCommand("sh", "-c", "while true; do echo 'hello'; sleep 1; done")15            .withLogConsumer(new Slf4jLogConsumer(log));16        container.start();17        final CountDownLatch latch = new CountDownLatch(1);18        final AtomicInteger counter = new AtomicInteger();19        final Thread thread = new Thread(() -> {20            try {21                Unreliables.retryUntilSuccess(10, TimeUnit.SECONDS, () -> {22                    container.execInContainer("echo", "hello");23                    counter.incrementAndGet();24                    return null;25                });26            } finally {27                latch.countDown();28            }29        });30        thread.start();31        Unreliables.retryUntilSuccess(10, TimeUnit.SECONDS, () -> {32            assertTrue(container.isRunning());33            return null;34        });35        thread.interrupt();36        try {37            latch.await(10, TimeUnit.SECONDS);38        } catch (InterruptedException e) {39            throw new RuntimeException(e);40        }41        assertTrue("Container should be reused", container.isReused());42        assertTrue("Container should be started", container.isStarted());43        assertTrue("Container should be running", container.isRunning());44        assertTrue("Container should be reused", counter.get() > 1);45    }46}

empty

Using AI Code Generation

1        public void testEmpty() {2            assertThat(ReusabilityUnitTests.empty(), is(true));3        }4    }5}6The test is failing because the empty() method is returning false. We need to make it return true. Let’s go to the ReusabilityUnitTests class and add the following code:7package org.testcontainers.containers;8import org.junit.Test;9import static org.hamcrest.Matchers.is;10import static org.junit.Assert.assertThat;11public class ReusabilityUnitTests {12    public static boolean empty() {13        return true;14    }15    public void testEmpty() {16        assertThat(ReusabilityUnitTests.empty(), is(true));17    }18}

empty

Using AI Code Generation

1public void testIsReusable() {2    String container = System.getProperty("container");3    String image = System.getProperty("image");4    String reuse = System.getProperty("reuse");5    String maxReuse = System.getProperty("maxReuse");6    if (container == null) {7        container = GenericContainer.class.getName();8    }9    if (image == null) {10        image = "postgres:9.6.8";11    }12    if (reuse == null) {13        reuse = "true";14    }15    if (maxReuse == null) {16        maxReuse = "1";17    }18    int maxReuseInt = Integer.parseInt(maxReuse);19    boolean reuseBool = Boolean.parseBoolean(reuse);20    ReusabilityUnitTests.testIsReusable(container, image, reuseBool, maxReuseInt);21}22public static void testIsReusable(String container

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