/
ContainerLogsTest.java
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/
ContainerLogsTest.java
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package org.testcontainers.containers.output;
import org.junit.Test;
import org.testcontainers.containers.GenericContainer;
import org.testcontainers.containers.startupcheck.OneShotStartupCheckStrategy;
import static org.rnorth.visibleassertions.VisibleAssertions.assertEquals;
import static org.rnorth.visibleassertions.VisibleAssertions.assertTrue;
import static org.testcontainers.containers.output.OutputFrame.OutputType.STDERR;
import static org.testcontainers.containers.output.OutputFrame.OutputType.STDOUT;
public class ContainerLogsTest {
@Test
public void getLogsReturnsAllLogsToDate() {
try (GenericContainer container = shortLivedContainer()) {
container.start();
// docsGetAllLogs {
final String logs = container.getLogs();
// }
assertEquals("stdout and stderr are reflected in the returned logs", "stdout\nstderr", logs);
}
}
@Test
public void getLogsReturnsStdOutToDate() {
try (GenericContainer container = shortLivedContainer()) {
container.start();
// docsGetStdOut {
final String logs = container.getLogs(STDOUT);
// }
assertEquals("stdout and stderr are reflected in the returned logs", "stdout", logs);
}
}
@Test
public void getLogsReturnsStdErrToDate() {
try (GenericContainer container = shortLivedContainer()) {
container.start();
// docsGetStdErr {
final String logs = container.getLogs(STDERR);
// }
assertEquals("stdout and stderr are reflected in the returned logs", "stderr", logs);
}
}
@Test
public void getLogsForLongRunningContainer() throws InterruptedException {
try (GenericContainer container = longRunningContainer()) {
container.start();
Thread.sleep(1000L);
final String logs = container.getLogs(STDOUT);
assertTrue("stdout is reflected in the returned logs for a running container", logs.contains("seq=0"));
}
}
private static GenericContainer shortLivedContainer() {
return new GenericContainer("alpine:3.3")
.withCommand("/bin/sh", "-c", "echo -n 'stdout' && echo -n 'stderr' 1>&2")
.withStartupCheckStrategy(new OneShotStartupCheckStrategy());
}
private static GenericContainer longRunningContainer() {
return new GenericContainer("alpine:3.3")
.withCommand("ping -c 100 127.0.0.1");
}
}