MetricNamesGenerator { public String getMemoryUsageMetricName(boolean forBackground) { return MetricRegistry.name( appendCrossMetricInfo(MEMORY + SEPARATOR + MEMORY_USAGE, forBackground)); } MetricNamesGenerator(App app, Device device, Time time); String getFrameTimeMetricName(Activity activity); String getOnActivityCreatedMetricName(Activity activity); String getOnActivityStartedMetricName(Activity activity); String getOnActivityResumedMetricName(Activity activity); String getActivityVisibleMetricName(Activity activity); String getOnActivityPausedMetricName(Activity activity); String getOnActivityStoppedMetricName(Activity activity); String getOnActivityDestroyedMetricName(Activity activity); String getBytesDownloadedMetricName(boolean isInBackground); String getBytesUploadedMetricName(boolean isInBackground); String getCPUUsageMetricName(boolean isInBackground); String getMemoryUsageMetricName(boolean forBackground); String getBytesAllocatedMetricName(boolean forBackground); String getInternalStorageWrittenBytes(boolean isInBackground); String getSharedPreferencesWrittenBytes(boolean isInBackground);  }
@Test public void memoryUsageMetricNameShouldContainExactly11FieldsSeparatedByDots() { String memoryUsage = generator.getMemoryUsageMetricName(ANY_IN_IN_BACKGROUND_VALUE); assertEquals(12, MetricNameUtils.split(memoryUsage).length); }
@Test public void memoryUsageUsageMetricNameShouldContainTheCrossMetricInfoName() { String memoryUsage = generator.getMemoryUsageMetricName(ANY_IN_IN_BACKGROUND_VALUE); assertContainsCrossMetricInfoName(memoryUsage); }
@Test public void memoryUsageContainsTheMetricNameInTheCorrectPosition() { String memoryUsage = generator.getMemoryUsageMetricName(ANY_IN_IN_BACKGROUND_VALUE); String[] parts = MetricNameUtils.split(memoryUsage); assertEquals("memoryUsage", parts[11]); }
@Test public void identifiesAMemoryUsageMetricProperly() { String memoryUsage = generator.getMemoryUsageMetricName(ANY_IN_IN_BACKGROUND_VALUE); assertTrue(extractor.isMemoryUsageMetric(memoryUsage)); }
@Test public void doesNotIdentifyAMemoryUsageMetricAsBytesAllocated() { String memoryUsage = generator.getMemoryUsageMetricName(ANY_IN_IN_BACKGROUND_VALUE); assertFalse(extractor.isBytesAllocatedMetric(memoryUsage)); }