final class LogCapturingJunit4 extends TestRule
See https://doc.akka.io/docs/akka/current/typed/testing-async.html#silence-logging-output-from-tests
JUnit TestRule
to make log lines appear only when the test failed.
Use this in test by adding a public field annotated with @Rule
:
@Rule public final LogCapturingJunit4 logCapturing = new LogCapturingJunit4();
Requires Logback and configuration like the following the logback-test.xml:
<appender name="CapturingAppender" class="akka.actor.testkit.typed.internal.CapturingAppender" /> <logger name="akka.actor.testkit.typed.internal.CapturingAppenderDelegate" > <appender-ref ref="STDOUT"/> </logger> <root level="DEBUG"> <appender-ref ref="CapturingAppender"/> </root>
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- LogCapturingJunit4.scala
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