@Test public void testSunnyDayPathLogsCorrectlyWithPrettyMuchAllPlaceholdersMatching() throws Throwable { MethodInvocation methodInvocation = mock(MethodInvocation.class); given(methodInvocation.getMethod()).willReturn(String.class.getMethod("toString", new Class[0])); given(methodInvocation.getThis()).willReturn(this); given(methodInvocation.getArguments()).willReturn(new Object[]{"$ One \\$", new Long(2)}); given(methodInvocation.proceed()).willReturn("Hello!"); Log log = mock(Log.class); given(log.isTraceEnabled()).willReturn(true); CustomizableTraceInterceptor interceptor = new StubCustomizableTraceInterceptor(log); interceptor.setEnterMessage(new StringBuffer() .append("Entering the '").append(CustomizableTraceInterceptor.PLACEHOLDER_METHOD_NAME) .append("' method of the [").append(CustomizableTraceInterceptor.PLACEHOLDER_TARGET_CLASS_NAME) .append("] class with the following args (").append(CustomizableTraceInterceptor.PLACEHOLDER_ARGUMENTS) .append(") and arg types (").append(CustomizableTraceInterceptor.PLACEHOLDER_ARGUMENT_TYPES) .append(").").toString()); interceptor.setExitMessage(new StringBuffer() .append("Exiting the '").append(CustomizableTraceInterceptor.PLACEHOLDER_METHOD_NAME) .append("' method of the [").append(CustomizableTraceInterceptor.PLACEHOLDER_TARGET_CLASS_SHORT_NAME) .append("] class with the following args (").append(CustomizableTraceInterceptor.PLACEHOLDER_ARGUMENTS) .append(") and arg types (").append(CustomizableTraceInterceptor.PLACEHOLDER_ARGUMENT_TYPES) .append("), returning '").append(CustomizableTraceInterceptor.PLACEHOLDER_RETURN_VALUE) .append("' and taking '").append(CustomizableTraceInterceptor.PLACEHOLDER_INVOCATION_TIME) .append("' this long.").toString()); interceptor.invoke(methodInvocation); verify(log, times(2)).trace(anyString()); }
@Test public void testExceptionPathLogsCorrectly() throws Throwable { MethodInvocation methodInvocation = mock(MethodInvocation.class); IllegalArgumentException exception = new IllegalArgumentException(); given(methodInvocation.getMethod()).willReturn(String.class.getMethod("toString")); given(methodInvocation.getThis()).willReturn(this); given(methodInvocation.proceed()).willThrow(exception); Log log = mock(Log.class); given(log.isTraceEnabled()).willReturn(true); CustomizableTraceInterceptor interceptor = new StubCustomizableTraceInterceptor(log); try { interceptor.invoke(methodInvocation); fail("Must have propagated the IllegalArgumentException."); } catch (IllegalArgumentException expected) { } verify(log).trace(anyString()); verify(log).trace(anyString(), eq(exception)); }
@Test public void testSunnyDayPathLogsCorrectly() throws Throwable { MethodInvocation methodInvocation = mock(MethodInvocation.class); given(methodInvocation.getMethod()).willReturn(String.class.getMethod("toString")); given(methodInvocation.getThis()).willReturn(this); Log log = mock(Log.class); given(log.isTraceEnabled()).willReturn(true); CustomizableTraceInterceptor interceptor = new StubCustomizableTraceInterceptor(log); interceptor.invoke(methodInvocation); verify(log, times(2)).trace(anyString()); }