Examples with ListAppender ch.qos.logback.core.read.ListAppender used on opensource projects

Example 6 with ListAppender

use of ch.qos.logback.core.read.ListAppender in project qpid-broker-j by apache.

the class AbstractVirtualHostTest method assertActionProducesLogMessage.

private void assertActionProducesLogMessage(final Runnable action, final String loggerName, final Level logLevel, final String message) throws Exception {
    final CountDownLatch logMessageReceivedLatch = new CountDownLatch(1);
    ch.qos.logback.classic.Logger rootLogger = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
    ListAppender<ILoggingEvent> appender = new ListAppender<>();
    appender.addFilter(new Filter<ILoggingEvent>() {

        @Override
        public FilterReply decide(final ILoggingEvent event) {
            if (event.getLoggerName().equals(loggerName) && event.getLevel().equals(logLevel) && event.getFormattedMessage().contains(message)) {
                logMessageReceivedLatch.countDown();
            }
            return FilterReply.NEUTRAL;
        }
    });
    appender.setContext(rootLogger.getLoggerContext());
    appender.start();
    rootLogger.addAppender(appender);
    action.run();
    assertTrue("Did not receive expected log message", logMessageReceivedLatch.await(2, TimeUnit.SECONDS));
}