How to use ToStringConsumerTest class of org.testcontainers.containers.output package

Best Testcontainers-java code snippet using org.testcontainers.containers.output.ToStringConsumerTest

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...5import org.junit.Test;6import org.testcontainers.containers.Container.ExecResult;7import org.testcontainers.containers.GenericContainer;8import org.testcontainers.containers.startupcheck.OneShotStartupCheckStrategy;9public class ToStringConsumerTest {10 private static final String LARGE_PAYLOAD;11 static {12 StringBuilder builder = new StringBuilder(10_003 * 10);;13 for (int i = 0; i < 10; i++) {14 builder.append(' ').append(i).append(RandomStringUtils.randomAlphabetic(10000));15 }16 LARGE_PAYLOAD = builder.toString();17 Assertions.assertThat(LARGE_PAYLOAD).doesNotContain("\n");18 }19 @Test20 public void newlines_are_not_added_to_exec_output() throws Exception {21 try (GenericContainer<?> container = new GenericContainer<>("alpine:3.14")) {22 container.withCommand("sleep", "2m");23 container.start();...

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ToStringConsumerTest

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1import org.testcontainers.containers.output.ToStringConsumer;2import org.testcontainers.containers.output.OutputFrame;3import java.util.concurrent.TimeUnit;4public class ToStringConsumerTest {5 public static void main(String[] args) throws InterruptedException {6 ToStringConsumer toStringConsumer = new ToStringConsumer();7 OutputFrame outputFrame = new OutputFrame(OutputFrame.OutputType.STDOUT, "Hello World".getBytes());8 toStringConsumer.accept(outputFrame);9 System.out.println(toStringConsumer.toUtf8String());10 TimeUnit.SECONDS.sleep(5);11 }12}13toStringConsumer.toUtf8String() method is used to convert the byte array into String. The OutputFrame class represents a single frame of output from a container. The OutputFrame class has two fields:

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ToStringConsumerTest

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1import org.testcontainers.containers.output.ToStringConsumerTest;2import java.io.IOException;3public class TestContainerExample {4 public static void main(String[] args) throws IOException, InterruptedException {5 ToStringConsumerTest toStringConsumerTest = new ToStringConsumerTest();6 toStringConsumerTest.accept("test message");7 System.out.println(toStringConsumerTest.toUtf8String());8 }9}

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ToStringConsumerTest

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1final ToStringConsumerTest consumer = new ToStringConsumerTest();2final GenericContainer container = new GenericContainer()3 .withImage("alpine:3.9")4 .withCommand("sh", "-c", "echo hello")5 .withLogConsumer(consumer);6container.start();7System.out.println(consumer.toString());8container.stop();9final LogMessageWaitStrategy waitStrategy = new LogMessageWaitStrategy()10 .withRegEx(".*Started Application.*\\s");11final GenericContainer container = new GenericContainer()12 .withImage("alpine:3.9")13 .withCommand("sh", "-c", "echo hello")14 .waitingFor(waitStrategy);15container.start();16container.stop();17final ToStringConsumer consumer = new ToStringConsumer();18final GenericContainer container = new GenericContainer()19 .withImage("alpine:3.9")20 .withCommand("sh", "-c", "echo hello")21 .withLogConsumer(consumer);22container.start();23final String output = consumer.toString();24final OutputFrame.OutputType outputType = consumer.toOutputFrame().getOutputType();25System.out.println(output);26System.out.println(outputType);27container.stop();28The following example shows how to use the org.testcontainers.containers.output.OutputFrame.getUtf8String() method to get the

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ToStringConsumerTest

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1import static org.testcontainers.containers.output.ToStringConsumerTest.toConsumer;2import java.util.concurrent.TimeUnit;3import org.testcontainers.containers.GenericContainer;4import org.testcontainers.containers.output.ToStringConsumerTest;5public class TestContainerOutputTest {6 public static void main(String[] args) throws Exception {7 try (GenericContainer<?> container = new GenericContainer<>("ubuntu:18.04")8 .withCommand("bash", "-c", "echo hello world; sleep 5")) {9 container.start();10 String output = container.followOutput(toConsumer(), 5, TimeUnit.SECONDS);11 System.out.println(output);12 }13 }14}15import static org.junit.Assert.assertEquals;16import static org.testcontainers.containers.output.ToStringConsumerTest.toConsumer;17import java.util.concurrent.TimeUnit;18import org.junit.Test;19import org.testcontainers.containers.GenericContainer;20import org.testcontainers.containers.output.ToStringConsumerTest;21public class TestContainerOutputTest {22 public void testOutput() throws Exception {23 try (GenericContainer<?> container = new GenericContainer<>("ubuntu:18.04")24 .withCommand("bash", "-c", "echo hello world; sleep 5")) {25 container.start();26 String output = container.followOutput(toConsumer(), 5, TimeUnit.SECONDS);27 assertEquals("hello world28", output);29 }

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