KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta 
How to use onNext method of org.testcontainers.containers.output.FrameConsumerResultCallback class
Best Testcontainers-java code snippet using org.testcontainers.containers.output.FrameConsumerResultCallback.onNext
Source:FrameConsumerResultCallbackTest.java 
...17 public void passStderrFrameWithoutColors() {18 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();19 ToStringConsumer consumer = new ToStringConsumer();20 callback.addConsumer(OutputType.STDERR, consumer);21 callback.onNext(new Frame(StreamType.STDERR, FRAME_PAYLOAD.getBytes()));22 assertEquals(LOG_RESULT, consumer.toUtf8String());23 }24 @Test25 public void passStderrFrameWithColors() {26 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();27 ToStringConsumer consumer = new ToStringConsumer().withRemoveAnsiCodes(false);28 callback.addConsumer(OutputType.STDERR, consumer);29 callback.onNext(new Frame(StreamType.STDERR, FRAME_PAYLOAD.getBytes()));30 assertEquals(FRAME_PAYLOAD, consumer.toUtf8String());31 }32 @Test33 public void passStdoutFrameWithoutColors() {34 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();35 ToStringConsumer consumer = new ToStringConsumer();36 callback.addConsumer(OutputType.STDOUT, consumer);37 callback.onNext(new Frame(StreamType.STDOUT, FRAME_PAYLOAD.getBytes()));38 assertEquals(LOG_RESULT, consumer.toUtf8String());39 }40 @Test41 public void passStdoutFrameWithColors() {42 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();43 ToStringConsumer consumer = new ToStringConsumer().withRemoveAnsiCodes(false);44 callback.addConsumer(OutputType.STDOUT, consumer);45 callback.onNext(new Frame(StreamType.STDOUT, FRAME_PAYLOAD.getBytes()));46 assertEquals(FRAME_PAYLOAD, consumer.toUtf8String());47 }48 @Test49 public void basicConsumer() {50 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();51 BasicConsumer consumer = new BasicConsumer();52 callback.addConsumer(OutputType.STDOUT, consumer);53 callback.onNext(new Frame(StreamType.STDOUT, FRAME_PAYLOAD.getBytes()));54 assertEquals(LOG_RESULT, consumer.toString());55 }56 @Test57 public void passStdoutNull() {58 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();59 ToStringConsumer consumer = new ToStringConsumer().withRemoveAnsiCodes(false);60 callback.addConsumer(OutputType.STDOUT, consumer);61 callback.onNext(new Frame(StreamType.STDOUT, null));62 assertEquals("", consumer.toUtf8String());63 }64 @Test65 public void passStdoutEmptyLine() {66 String payload = "";67 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();68 ToStringConsumer consumer = new ToStringConsumer().withRemoveAnsiCodes(false);69 callback.addConsumer(OutputType.STDOUT, consumer);70 callback.onNext(new Frame(StreamType.STDOUT, payload.getBytes()));71 assertEquals(payload, consumer.toUtf8String());72 }73 @Test74 public void passStdoutSingleLine() {75 String payload = "Test";76 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();77 ToStringConsumer consumer = new ToStringConsumer().withRemoveAnsiCodes(false);78 callback.addConsumer(OutputType.STDOUT, consumer);79 callback.onNext(new Frame(StreamType.STDOUT, payload.getBytes()));80 assertEquals(payload, consumer.toUtf8String());81 }82 @Test83 public void passStdoutSingleLineWithNewline() {84 String payload = "Test\n";85 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();86 ToStringConsumer consumer = new ToStringConsumer().withRemoveAnsiCodes(false);87 callback.addConsumer(OutputType.STDOUT, consumer);88 callback.onNext(new Frame(StreamType.STDOUT, payload.getBytes()));89 assertEquals(payload, consumer.toUtf8String());90 }91 @Test92 public void passRawFrameWithoutColors() throws TimeoutException, IOException {93 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();94 WaitingConsumer waitConsumer = new WaitingConsumer();95 callback.addConsumer(OutputType.STDOUT, waitConsumer);96 callback.onNext(new Frame(StreamType.RAW, FRAME_PAYLOAD.getBytes()));97 waitConsumer.waitUntil(frame -> frame.getType() == OutputType.STDOUT && frame.getUtf8String().equals("Test2"), 1, TimeUnit.SECONDS);98 waitConsumer.waitUntil(frame -> frame.getType() == OutputType.STDOUT && frame.getUtf8String().equals("ТеÑÑ1"), 1, TimeUnit.SECONDS);99 Exception exception = null;100 try {101 waitConsumer.waitUntil(frame -> frame.getType() == OutputType.STDOUT && frame.getUtf8String().equals("Test3"), 1, TimeUnit.SECONDS);102 } catch (Exception e) {103 exception = e;104 }105 assertTrue(exception instanceof TimeoutException);106 callback.close();107 waitConsumer.waitUntil(frame -> frame.getType() == OutputType.STDOUT && frame.getUtf8String().equals("Test3"), 1, TimeUnit.SECONDS);108 }109 @Test110 public void passRawFrameWithColors() throws TimeoutException, IOException {111 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();112 WaitingConsumer waitConsumer = new WaitingConsumer().withRemoveAnsiCodes(false);113 callback.addConsumer(OutputType.STDOUT, waitConsumer);114 callback.onNext(new Frame(StreamType.RAW, FRAME_PAYLOAD.getBytes()));115 waitConsumer.waitUntil(frame -> frame.getType() == OutputType.STDOUT && frame.getUtf8String().equals("\u001B[1;33mTest2\u001B[0m"), 1, TimeUnit.SECONDS);116 waitConsumer.waitUntil(frame -> frame.getType() == OutputType.STDOUT && frame.getUtf8String().equals("\u001B[0;32mТеÑÑ1\u001B[0m"), 1, TimeUnit.SECONDS);117 Exception exception = null;118 try {119 waitConsumer.waitUntil(frame -> frame.getType() == OutputType.STDOUT && frame.getUtf8String().equals("\u001B[0;31mTest3\u001B[0m"), 1, TimeUnit.SECONDS);120 } catch (Exception e) {121 exception = e;122 }123 assertTrue(exception instanceof TimeoutException);124 callback.close();125 waitConsumer.waitUntil(frame -> frame.getType() == OutputType.STDOUT && frame.getUtf8String().equals("\u001B[0;31mTest3\u001B[0m"), 1, TimeUnit.SECONDS);126 }127 @Test128 public void reconstructBreakedUnicode() throws IOException {129 String payload = "ТеÑÑ";130 byte[] payloadBytes = payload.getBytes(StandardCharsets.UTF_8);131 byte[] bytes1 = new byte[(int) (payloadBytes.length * 0.6)];132 byte[] bytes2 = new byte[payloadBytes.length - bytes1.length];133 System.arraycopy(payloadBytes, 0, bytes1, 0, bytes1.length);134 System.arraycopy(payloadBytes, bytes1.length, bytes2, 0, bytes2.length);135 FrameConsumerResultCallback callback = new FrameConsumerResultCallback();136 ToStringConsumer consumer = new ToStringConsumer().withRemoveAnsiCodes(false);137 callback.addConsumer(OutputType.STDOUT, consumer);138 callback.onNext(new Frame(StreamType.RAW, bytes1));139 callback.onNext(new Frame(StreamType.RAW, bytes2));140 callback.close();141 assertEquals(payload, consumer.toUtf8String());142 }143 private static class BasicConsumer implements Consumer<OutputFrame> {144 private boolean firstLine = true;145 private StringBuilder input = new StringBuilder();146 @Override147 public void accept(OutputFrame outputFrame) {148 if (!firstLine) {149 input.append('\n');150 }151 firstLine = false;152 input.append(outputFrame.getUtf8String());153 }...
onNext
Using AI Code Generation
1import org.testcontainers.containers.GenericContainer;2import org.testcontainers.containers.output.FrameConsumerResultCallback;3import org.testcontainers.containers.output.OutputFrame;4import org.testcontainers.containers.output.ToStringConsumer;5public class TestContainer {6 public static void main(String[] args) throws Exception {7 try (GenericContainer container = new GenericContainer("redis:alpine")8 .withExposedPorts(6379)) {9 container.start();10 FrameConsumerResultCallback resultCallback = new FrameConsumerResultCallback();11 container.followOutput(new ToStringConsumer(), resultCallback);12 resultCallback.awaitCompletion();13 OutputFrame frame = resultCallback.getFrames().get(0);14 System.out.println(frame.getUtf8String());15 }16 }17}
onNext
Using AI Code Generation
1import org.testcontainers.containers.output.OutputFrame;2import org.testcontainers.containers.output.FrameConsumerResultCallback;3import org.testcontainers.containers.GenericContainer;4import org.testcontainers.containers.output.ToStringConsumer;5public class TestContainers {6 public static void main(String[] args) {7 try (final GenericContainer container = new GenericContainer("alpine:3.10.2")8 .withCommand("echo", "hello world")) {9 container.start();10 container.followOutput(new ToStringConsumer());11 System.out.println(container.getLogs());12 }13 }14}15import org.testcontainers.containers.output.OutputFrame;16import org.testcontainers.containers.output.FrameConsumerResultCallback;17import org.testcontainers.containers.GenericContainer;18import org.testcontainers.containers.output.ToStringConsumer;19public class TestContainers {20 public static void main(String[] args) {21 try (final GenericContainer container = new GenericContainer("alpine:3.10.2")22 .withCommand("echo", "hello world")) {23 container.start();24 container.followOutput(FrameConsumerResultCallback::new, OutputFrame.OutputType.STDOUT)25 .awaitCompletion();26 System.out.println(container.getLogs());27 }28 }29}30import org.testcontainers.containers.output.OutputFrame;31import org.testcontainers.containers.output.FrameConsumerResultCallback;32import org.testcontainers.containers.GenericContainer;33import org.testcontainers.containers.output.ToStringConsumer;34public class TestContainers {35 public static void main(String[] args) {36 try (final GenericContainer container = new GenericContainer("alpine:3.10.2")37 .withCommand("echo", "hello world")) {38 container.start();
onNext
Using AI Code Generation
1container.start()2def result = container.followOutput(new FrameConsumerResultCallback())3container.waitingFor(Wait.forLogMessage(".*started.*", 1))4result.getStdout().each {5}6container.stop()7dockerClient.close()8dockerClient.stop()
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.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run Testcontainers-java automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Most used method in FrameConsumerResultCallback
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
