Examples with SpanHandler brave.handler.SpanHandler used on opensource projects

Example 6 with SpanHandler

use of brave.handler.SpanHandler in project brave by openzipkin.

the class NoopAwareSpanHandlerTest method multiple_shortCircuitWhenFirstReturnsFalse.

@Test
public void multiple_shortCircuitWhenFirstReturnsFalse() {
    SpanHandler[] handlers = new SpanHandler[2];
    handlers[0] = one;
    handlers[1] = two;
    SpanHandler handler = NoopAwareSpanHandler.create(handlers, noop);
    handler.end(context, span, Cause.FINISHED);
    verify(one).end(context, span, Cause.FINISHED);
    verify(two, never()).end(context, span, Cause.FINISHED);
}

Example 7 with SpanHandler

use of brave.handler.SpanHandler in project brave by openzipkin.

the class NoopAwareSpanHandlerTest method create_multiple.

@Test
public void create_multiple() {
    SpanHandler[] handlers = new SpanHandler[2];
    handlers[0] = one;
    handlers[1] = two;
    SpanHandler handler = NoopAwareSpanHandler.create(handlers, noop);
    assertThat(handler).extracting("delegate.handlers").asInstanceOf(InstanceOfAssertFactories.array(SpanHandler[].class)).containsExactly(one, two);
}

Example 8 with SpanHandler

use of brave.handler.SpanHandler in project brave by openzipkin.

the class NoopAwareSpanHandlerTest method doesntCrashOnNonFatalThrowable.

@Test
public void doesntCrashOnNonFatalThrowable() {
    Throwable[] toThrow = new Throwable[1];
    SpanHandler handler = NoopAwareSpanHandler.create(new SpanHandler[] { new SpanHandler() {

        @Override
        public boolean end(TraceContext context, MutableSpan span, Cause cause) {
            doThrowUnsafely(toThrow[0]);
            return true;
        }
    } }, noop);
    toThrow[0] = new RuntimeException();
    assertThat(handler.end(context, span, Cause.FINISHED)).isTrue();
    toThrow[0] = new Exception();
    assertThat(handler.end(context, span, Cause.FINISHED)).isTrue();
    toThrow[0] = new Error();
    assertThat(handler.end(context, span, Cause.FINISHED)).isTrue();
    // fatal
    toThrow[0] = new StackOverflowError();
    try {
        // assertThatThrownBy doesn't work with StackOverflowError
        handler.end(context, span, Cause.FINISHED);
        failBecauseExceptionWasNotThrown(StackOverflowError.class);
    } catch (StackOverflowError e) {
    }
}

Example 9 with SpanHandler

use of brave.handler.SpanHandler in project brave by openzipkin.

the class NoopAwareSpanHandlerTest method honorsNoop.

@Test
public void honorsNoop() {
    SpanHandler handler = NoopAwareSpanHandler.create(new SpanHandler[] { one }, noop);
    noop.set(true);
    handler.end(context, span, Cause.FINISHED);
    verify(one, never()).end(context, span, Cause.FINISHED);
}

Example 10 with SpanHandler

use of brave.handler.SpanHandler in project brave by openzipkin.

the class ITHttpServer method spanHandlerSeesError.

void spanHandlerSeesError(String path) throws IOException {
    ConcurrentLinkedDeque<Throwable> caughtThrowables = new ConcurrentLinkedDeque<>();
    httpTracing = HttpTracing.create(tracingBuilder(Sampler.ALWAYS_SAMPLE).clearSpanHandlers().addSpanHandler(new SpanHandler() {

        @Override
        public boolean end(TraceContext context, MutableSpan span, Cause cause) {
            Throwable error = span.error();
            if (error != null) {
                caughtThrowables.add(error);
            } else {
                caughtThrowables.add(new RuntimeException("Unexpected additional call to end"));
            }
            return true;
        }
    }).addSpanHandler(testSpanHandler).build());
    init();
    // If this passes, a span was reported with an error
    httpStatusCodeTagMatchesResponse_onUncaughtException(path, ".*not ready");
    assertThat(caughtThrowables).withFailMessage("Span finished with error, but caughtThrowables empty").isNotEmpty();
    if (caughtThrowables.size() > 1) {
        for (Throwable throwable : caughtThrowables) {
            Logger.getAnonymousLogger().log(Level.SEVERE, "multiple calls to finish", throwable);
        }
        assertThat(caughtThrowables).hasSize(1);
    }
}