Examples with SimplyTimed org.eclipse.microprofile.metrics.annotation.SimplyTimed used on opensource projects

Example 1 with SimplyTimed

use of org.eclipse.microprofile.metrics.annotation.SimplyTimed in project Payara by payara.

the class SimplyTimedInterceptorTest method assertTimed.

private void assertTimed(int expectedStartCount) throws Exception {
    Method element = TestUtils.getTestMethod();
    Class<?> bean = getClass();
    AnnotationReader<SimplyTimed> reader = AnnotationReader.SIMPLY_TIMED;
    SimpleTimer timer = MetricUtils.getOrRegisterByMetadataAndTags(registry, SimpleTimer.class, reader.metadata(bean, element), reader.tags(reader.annotation(bean, element)));
    SimplyTimedInterceptor.proceedTimed(context, element, bean, registry::getMetric);
    assertEquals(expectedStartCount + 1, timer.getCount());
    SimplyTimedInterceptor.proceedTimed(context, element, bean, registry::getMetric);
    assertEquals(expectedStartCount + 2, timer.getCount());
    verify(context, times(2)).proceed();
    // now test error when it does not exist
    try {
        SimplyTimedInterceptor.proceedTimed(context, element, bean, (metricId, type) -> null);
        fail("Expected a IllegalStateException because the metric does not exist");
    } catch (IllegalStateException ex) {
        assertEquals("No SimpleTimer with ID [" + reader.metricID(bean, element) + "] found in application registry", ex.getMessage());
    }
    verify(context, times(2)).proceed();
    // test a annotated method that throws an exception
    when(context.proceed()).thenThrow(new RuntimeException("Error in method"));
    try {
        SimplyTimedInterceptor.proceedTimed(context, element, bean, registry::getMetric);
        fail("Expected a RuntimeException");
    } catch (RuntimeException ex) {
        assertEquals("Error in method", ex.getMessage());
    }
    verify(context, times(3)).proceed();
    // need to remove the 'thenThrow' behaviour
    reset(context);
    assertEquals(expectedStartCount + 3, timer.getCount());
    assertTrue(timer.getElapsedTime().toNanos() > 0);
}