How to use FixedHostPortContainerTest class of org.testcontainers.junit package

Best Testcontainers-java code snippet using org.testcontainers.junit.FixedHostPortContainerTest

Source:FixedHostPortContainerTest.java Github

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...8 * should be a field on the test class annotated with @Rule or @TestRule). Instead, here, the lifecycle of the container9 * is managed completely within the test method to allow a free port to be found and assigned before the container10 * is started.11 */12public class FixedHostPortContainerTest {13 private static final int REDIS_PORT = 6379;14 @Test15 public void testFixedHostPortMapping() throws IOException {16 // first find a free port on the docker host that will work for testing17 GenericContainer portDiscoveryRedis = new GenericContainer("redis:3.0.2").withExposedPorts(FixedHostPortContainerTest.REDIS_PORT);18 portDiscoveryRedis.start();19 Integer freePort = portDiscoveryRedis.getMappedPort(FixedHostPortContainerTest.REDIS_PORT);20 portDiscoveryRedis.stop();21 // Set up a FixedHostPortGenericContainer as if this were a @Rule22 FixedHostPortGenericContainer redis = new FixedHostPortGenericContainer("redis:3.0.2").withFixedExposedPort(freePort, FixedHostPortContainerTest.REDIS_PORT);23 redis.start();24 // Config redisConfig = new Config();25 // redisConfig.useSingleServer().setAddress(redis.getContainerIpAddress() + ":" + freePort);26 // Redisson redisson = Redisson.create(redisConfig);27 // 28 // redisson.getBucket("test").set("foo");29 // 30 // assertEquals("The bucket content was successfully set", "foo", redisson.getBucket("test").get());31 // assertEquals("The container returns the fixed port from getMappedPort(...)", freePort, redis.getMappedPort(REDIS_PORT));32 }33}...

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FixedHostPortContainerTest

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1import org.testcontainers.containers.FixedHostPortGenericContainer;2import org.testcontainers.containers.GenericContainer;3import org.testcontainers.containers.wait.strategy.Wait;4import org.testcontainers.utility.DockerImageName;5import org.junit.Rule;6import org.junit.Test;7import org.junit.rules.TestName;8import org.slf4j.Logger;9import org.slf4j.LoggerFactory;10import java.time.Duration;11import static org.junit.Assert.assertEquals;12public class FixedHostPortContainerTest {13 private static final Logger LOGGER = LoggerFactory.getLogger(FixedHostPortContainerTest.class);14 private static final String DOCKER_IMAGE_NAME = "nginx:1.21.0";15 private static final int HOST_PORT = 8080;16 private static final int CONTAINER_PORT = 80;17 private static final String EXPECTED_RESPONSE = "Welcome to nginx!";18 public TestName testName = new TestName();19 public GenericContainer<?> nginxContainer = new FixedHostPortGenericContainer<>(DockerImageName.parse(DOCKER_IMAGE_NAME))20 .withFixedExposedPort(HOST_PORT, CONTAINER_PORT)21 .waitingFor(Wait.forHttp("/").forStatusCode(200).withStartupTimeout(Duration.ofSeconds(10)));22 public void testNginxContainer() {23 LOGGER.info("Test name: {}", testName.getMethodName());24 String response = nginxContainer.execInContainer("curl", "localhost").getStdout();25 assertEquals(EXPECTED_RESPONSE, response);26 }27}28The FixedHostPortGenericContainer class is useful when you want to run a test container with a fixed host port. The FixedHostPortGenericContainer class also provides a withFixedExposedPort() method to map the container port to the host port. The withFixedExposedPort() method takes two arguments

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FixedHostPortContainerTest

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1import org.junit.ClassRule;2import org.junit.Test;3import org.openqa.selenium.remote.DesiredCapabilities;4import org.testcontainers.containers.BrowserWebDriverContainer;5import org.testcontainers.containers.FixedHostPortContainer;6import org.testcontainers.containers.GenericContainer;7import org.testcontainers.containers.wait.strategy.Wait;8import org.testcontainers.containers.wait.strategy.WaitAllStrategy;9public class TestContainerTest {10 public static FixedHostPortContainer seleniumContainer = new FixedHostPortContainer<>(11 new BrowserWebDriverContainer<>()12 .withDesiredCapabilities(DesiredCapabilities.chrome())13 .withRecordingMode(BrowserWebDriverContainer.VncRecordingMode.RECORD_ALL, new File("./build/"))14 ).withFixedExposedPort(4444, 4444);15 public void testContainer() {16 System.out.println(seleniumContainer.getContainerIpAddress());17 System.out.println(seleniumContainer.getMappedPort(4444));18 }19}

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