| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.helpers; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.mockito.Mockito.when; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.ArgumentMatchers.any; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import static com.android.helpers.TopicsLatencyHelper.MetricsEventStreamReader; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.time.Clock; |
| import java.util.Map; |
| import java.util.function.Supplier; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| /** |
| * Android Unit tests for {@link TopicsLatencyHelper}. |
| * |
| * <p>To run: atest CollectorsHelperAospTest:com.android.helpers.tests.TopicsLatencyHelperTest |
| */ |
| @RunWith(AndroidJUnit4.class) |
| public class TopicsLatencyHelperTest { |
| private static final String TAG = TopicsLatencyHelper.class.getSimpleName(); |
| private static final String TOPICS_HOT_START_LATENCY_METRIC = "TOPICS_HOT_START_LATENCY_METRIC"; |
| private static final String TOPICS_COLD_START_LATENCY_METRIC = |
| "TOPICS_COLD_START_LATENCY_METRIC"; |
| |
| private static final String SAMPLE_TOPICS_HOT_START_LATENCY_OUTPUT = |
| "06-13 18:09:24.058 20765 20781 D\n" |
| + " GetTopicsApiCall: (TOPICS_HOT_START_LATENCY_METRIC: 14)"; |
| private static final String SAMPLE_TOPICS_COLD_START_LATENCY_OUTPUT = |
| "06-13 18:09:24.058 20765 20781 D\n" |
| + " GetTopicsApiCall: (TOPICS_COLD_START_LATENCY_METRIC: 200)"; |
| |
| private TopicsLatencyHelper mTopicsLatencyHelper; |
| |
| private @Mock MetricsEventStreamReader mMetricsEventStreamReader; |
| private @Mock Supplier<MetricsEventStreamReader> mMetricsEventStreamReaderSupplier; |
| |
| @Before |
| public void setUp() { |
| MockitoAnnotations.initMocks(this); |
| mTopicsLatencyHelper = |
| new TopicsLatencyHelper(mMetricsEventStreamReaderSupplier, Clock.systemUTC()); |
| when(mMetricsEventStreamReaderSupplier.get()).thenReturn(mMetricsEventStreamReader); |
| } |
| |
| /** Test getting metrics for single package. */ |
| @Test |
| public void testGetMetrics() throws Exception { |
| String outputString = |
| SAMPLE_TOPICS_HOT_START_LATENCY_OUTPUT |
| + "\n" |
| + SAMPLE_TOPICS_COLD_START_LATENCY_OUTPUT; |
| InputStream targetStream = new ByteArrayInputStream(outputString.getBytes()); |
| doReturn(targetStream).when(mMetricsEventStreamReader).getMetricsEvents(any()); |
| Map<String, Long> topicsLatencyMetrics = mTopicsLatencyHelper.getMetrics(); |
| assertThat(topicsLatencyMetrics.get(TOPICS_HOT_START_LATENCY_METRIC)).isEqualTo(14); |
| assertThat(topicsLatencyMetrics.get(TOPICS_COLD_START_LATENCY_METRIC)).isEqualTo(200); |
| } |
| |
| /** Test getting no metrics for single package. */ |
| @Test |
| public void testEmptyLogcat_noMetrics() throws Exception { |
| String outputString = ""; |
| InputStream targetStream = new ByteArrayInputStream(outputString.getBytes()); |
| doReturn(targetStream).when(mMetricsEventStreamReader).getMetricsEvents(any()); |
| Map<String, Long> topicsLatencyMetrics = mTopicsLatencyHelper.getMetrics(); |
| assertThat(topicsLatencyMetrics.containsKey(TOPICS_COLD_START_LATENCY_METRIC)).isFalse(); |
| assertThat(topicsLatencyMetrics.containsKey(TOPICS_HOT_START_LATENCY_METRIC)).isFalse(); |
| } |
| } |