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Add more tests to external code repo
------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=131406104
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mcilwain
Ben McIlwain
parent
6e743b069d
commit
1b3f77a468
14 changed files with 1957 additions and 0 deletions
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// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.monitoring.metrics;
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import static com.google.common.truth.Truth.assertThat;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import static org.junit.Assert.fail;
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import static org.mockito.Matchers.any;
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import static org.mockito.Matchers.anyString;
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import static org.mockito.Mockito.never;
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import static org.mockito.Mockito.spy;
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import static org.mockito.Mockito.times;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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import com.google.api.client.googleapis.json.GoogleJsonResponseException;
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import com.google.api.client.http.HttpResponse;
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import com.google.api.client.http.HttpResponseException;
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import com.google.api.services.monitoring.v3.Monitoring;
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import com.google.api.services.monitoring.v3.model.CreateTimeSeriesRequest;
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import com.google.api.services.monitoring.v3.model.MetricDescriptor;
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import com.google.api.services.monitoring.v3.model.MonitoredResource;
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import com.google.api.services.monitoring.v3.model.Point;
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import com.google.api.services.monitoring.v3.model.TimeSeries;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableSet;
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import google.registry.monitoring.metrics.MetricSchema.Kind;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.util.List;
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import org.joda.time.Instant;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.mockito.Mock;
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import org.mockito.invocation.InvocationOnMock;
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import org.mockito.runners.MockitoJUnitRunner;
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import org.mockito.stubbing.Answer;
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/** Unit tests for {@link StackdriverWriter}. */
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@RunWith(MockitoJUnitRunner.class)
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public class StackdriverWriterTest {
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@Mock private Monitoring client;
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@Mock private Monitoring.Projects projects;
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@Mock private Monitoring.Projects.MetricDescriptors metricDescriptors;
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@Mock private Monitoring.Projects.MetricDescriptors.Get metricDescriptorGet;
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@Mock private Monitoring.Projects.TimeSeries timeSeries;
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@Mock private Monitoring.Projects.MetricDescriptors.Create metricDescriptorCreate;
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@Mock private Monitoring.Projects.TimeSeries.Create timeSeriesCreate;
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@Mock private Metric<Long> mockMetric;
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@Mock private MetricSchema schema;
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@Mock MetricPoint<Long> metricPoint;
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private Counter metric;
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private MetricDescriptor descriptor;
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private static final String PROJECT = "PROJECT";
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private static final int MAX_QPS = 10;
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private static final int MAX_POINTS_PER_REQUEST = 10;
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private static final MonitoredResource MONITORED_RESOURCE = new MonitoredResource();
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@Before
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public void setUp() throws Exception {
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metric =
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new Counter(
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"/name",
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"desc",
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"vdn",
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ImmutableSet.of(LabelDescriptor.create("label", "description")));
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descriptor = StackdriverWriter.createMetricDescriptor(metric);
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when(client.projects()).thenReturn(projects);
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when(projects.metricDescriptors()).thenReturn(metricDescriptors);
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when(projects.timeSeries()).thenReturn(timeSeries);
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when(metricDescriptors.create(anyString(), any(MetricDescriptor.class)))
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.thenReturn(metricDescriptorCreate);
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when(metricDescriptorCreate.execute()).thenReturn(descriptor);
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when(metricDescriptors.get(anyString())).thenReturn(metricDescriptorGet);
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when(metricDescriptorGet.execute()).thenReturn(descriptor);
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when(timeSeries.create(anyString(), any(CreateTimeSeriesRequest.class)))
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.thenReturn(timeSeriesCreate);
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}
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@Test
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public void testWrite_maxPoints_flushes() throws Exception {
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// The counter must be set once in order for there to be values to send.
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metric.set(0L, new Instant(1337), ImmutableList.of("some_value"));
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StackdriverWriter writer =
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spy(
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new StackdriverWriter(
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client, PROJECT, MONITORED_RESOURCE, MAX_QPS, MAX_POINTS_PER_REQUEST));
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for (int i = 0; i < MAX_POINTS_PER_REQUEST; i++) {
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for (MetricPoint<?> point : metric.getTimestampedValues(new Instant(1337))) {
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writer.write(point);
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}
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}
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verify(writer).flush();
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}
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@Test
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public void testWrite_lessThanMaxPoints_doesNotFlush() throws Exception {
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// The counter must be set once in order for there to be values to send.
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metric.set(0L, new Instant(1337), ImmutableList.of("some_value"));
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StackdriverWriter writer =
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spy(
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new StackdriverWriter(
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client, PROJECT, MONITORED_RESOURCE, MAX_QPS, MAX_POINTS_PER_REQUEST));
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for (int i = 0; i < MAX_POINTS_PER_REQUEST - 1; i++) {
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for (MetricPoint<?> point : metric.getTimestampedValues(new Instant(1337))) {
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writer.write(point);
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}
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}
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verify(writer, never()).flush();
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}
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@Test
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public void testWrite_invalidMetricType_throwsException() throws Exception {
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when(mockMetric.getValueClass())
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.thenAnswer(
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new Answer<Class<?>>() {
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@Override
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public Class<?> answer(InvocationOnMock invocation) throws Throwable {
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return Object.class;
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}
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});
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when(mockMetric.getMetricSchema()).thenReturn(schema);
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when(mockMetric.getTimestampedValues()).thenReturn(ImmutableList.of(metricPoint));
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when(schema.kind()).thenReturn(Kind.CUMULATIVE);
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when(metricPoint.metric()).thenReturn(mockMetric);
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StackdriverWriter writer =
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new StackdriverWriter(client, PROJECT, MONITORED_RESOURCE, MAX_QPS, MAX_POINTS_PER_REQUEST);
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for (MetricPoint<?> point : mockMetric.getTimestampedValues()) {
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try {
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writer.write(point);
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fail("expected IllegalArgumentException");
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} catch (IOException expected) {}
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}
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}
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@Test
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public void testWrite_ManyPoints_flushesTwice() throws Exception {
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// The counter must be set once in order for there to be values to send.
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metric.set(0L, new Instant(1337), ImmutableList.of("some_value"));
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StackdriverWriter writer =
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spy(
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new StackdriverWriter(
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client, PROJECT, MONITORED_RESOURCE, MAX_QPS, MAX_POINTS_PER_REQUEST));
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for (int i = 0; i < MAX_POINTS_PER_REQUEST * 2; i++) {
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for (MetricPoint<?> point : metric.getTimestampedValues(new Instant(1337))) {
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writer.write(point);
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}
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}
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verify(writer, times(2)).flush();
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}
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@Test
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public void testRegisterMetric_registersWithStackdriver() throws Exception {
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StackdriverWriter writer =
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new StackdriverWriter(client, PROJECT, MONITORED_RESOURCE, MAX_QPS, MAX_POINTS_PER_REQUEST);
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writer.registerMetric(metric);
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verify(
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client
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.projects()
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.metricDescriptors()
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.create(PROJECT, StackdriverWriter.createMetricDescriptor(metric)))
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.execute();
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}
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@Test
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public void registerMetric_doesNotReregisterDupe() throws Exception {
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StackdriverWriter writer =
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new StackdriverWriter(client, PROJECT, MONITORED_RESOURCE, MAX_QPS, MAX_POINTS_PER_REQUEST);
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writer.registerMetric(metric);
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writer.registerMetric(metric);
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verify(
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client
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.projects()
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.metricDescriptors()
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.create(PROJECT, StackdriverWriter.createMetricDescriptor(metric)))
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.execute();
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}
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@Test
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public void registerMetric_fetchesStackdriverDefinition() throws Exception {
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ByteArrayInputStream inputStream = new ByteArrayInputStream("".getBytes(UTF_8));
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HttpResponse response = GoogleJsonResponseExceptionHelper.createHttpResponse(400, inputStream);
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HttpResponseException.Builder httpResponseExceptionBuilder =
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new HttpResponseException.Builder(response);
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httpResponseExceptionBuilder.setStatusCode(400);
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httpResponseExceptionBuilder.setStatusMessage("ALREADY_EXISTS");
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GoogleJsonResponseException exception =
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new GoogleJsonResponseException(httpResponseExceptionBuilder, null);
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when(metricDescriptorCreate.execute()).thenThrow(exception);
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StackdriverWriter writer =
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new StackdriverWriter(client, PROJECT, MONITORED_RESOURCE, MAX_QPS, MAX_POINTS_PER_REQUEST);
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writer.registerMetric(metric);
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verify(client.projects().metricDescriptors().get("metric")).execute();
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}
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@Test
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public void getEncodedTimeSeries_nullLabels_encodes() throws Exception {
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ByteArrayInputStream inputStream = new ByteArrayInputStream("".getBytes(UTF_8));
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HttpResponse response = GoogleJsonResponseExceptionHelper.createHttpResponse(400, inputStream);
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HttpResponseException.Builder httpResponseExceptionBuilder =
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new HttpResponseException.Builder(response);
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httpResponseExceptionBuilder.setStatusCode(400);
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httpResponseExceptionBuilder.setStatusMessage("ALREADY_EXISTS");
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GoogleJsonResponseException exception =
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new GoogleJsonResponseException(httpResponseExceptionBuilder, null);
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when(metricDescriptorCreate.execute()).thenThrow(exception);
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when(metricDescriptorGet.execute())
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.thenReturn(new MetricDescriptor().setName("foo").setLabels(null));
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StackdriverWriter writer =
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new StackdriverWriter(client, PROJECT, MONITORED_RESOURCE, MAX_QPS, MAX_POINTS_PER_REQUEST);
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writer.registerMetric(metric);
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TimeSeries timeSeries =
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writer.getEncodedTimeSeries(
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MetricPoint.create(metric, ImmutableList.of("foo"), new Instant(1337), 10L));
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assertThat(timeSeries.getMetric().getLabels()).isEmpty();
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}
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@Test
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public void createMetricDescriptor_simpleMetric_encodes() {
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MetricDescriptor descriptor = StackdriverWriter.createMetricDescriptor(metric);
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assertThat(descriptor.getType()).isEqualTo("custom.googleapis.com/name");
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assertThat(descriptor.getValueType()).isEqualTo("INT64");
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assertThat(descriptor.getDescription()).isEqualTo("desc");
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assertThat(descriptor.getDisplayName()).isEqualTo("vdn");
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assertThat(descriptor.getLabels())
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.containsExactly(
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new com.google.api.services.monitoring.v3.model.LabelDescriptor()
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.setValueType("STRING")
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.setKey("label")
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.setDescription("description"));
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}
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@Test
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public void createLabelDescriptors_simpleLabels_encodes() {
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ImmutableSet<LabelDescriptor> descriptors =
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ImmutableSet.of(
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LabelDescriptor.create("label1", "description1"),
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LabelDescriptor.create("label2", "description2"));
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ImmutableList<com.google.api.services.monitoring.v3.model.LabelDescriptor> encodedDescritors =
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StackdriverWriter.createLabelDescriptors(descriptors);
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assertThat(encodedDescritors)
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.containsExactly(
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new com.google.api.services.monitoring.v3.model.LabelDescriptor()
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.setValueType("STRING")
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.setKey("label1")
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.setDescription("description1"),
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new com.google.api.services.monitoring.v3.model.LabelDescriptor()
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.setValueType("STRING")
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.setKey("label2")
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.setDescription("description2"));
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}
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@Test
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public void getEncodedTimeSeries_simplePoint_encodes() throws Exception {
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StackdriverWriter writer =
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new StackdriverWriter(client, PROJECT, MONITORED_RESOURCE, MAX_QPS, MAX_POINTS_PER_REQUEST);
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MetricPoint<Long> nativePoint =
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MetricPoint.create(
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metric, ImmutableList.of("foo"), new Instant(1336), new Instant(1337), 10L);
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TimeSeries timeSeries = writer.getEncodedTimeSeries(nativePoint);
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assertThat(timeSeries.getValueType()).isEqualTo("INT64");
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assertThat(timeSeries.getMetricKind()).isEqualTo("CUMULATIVE");
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List<Point> points = timeSeries.getPoints();
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assertThat(points).hasSize(1);
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Point point = points.get(0);
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assertThat(point.getValue().getInt64Value()).isEqualTo(10L);
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assertThat(point.getInterval().getEndTime()).isEqualTo("1970-01-01T00:00:01.337Z");
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assertThat(point.getInterval().getStartTime()).isEqualTo("1970-01-01T00:00:01.336Z");
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}
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@Test
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public void getEncodedTimeSeries_booleanMetric_encodes() throws Exception {
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StackdriverWriter writer =
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new StackdriverWriter(client, PROJECT, MONITORED_RESOURCE, MAX_QPS, MAX_POINTS_PER_REQUEST);
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Metric<Boolean> boolMetric =
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new StoredMetric<>(
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"/name",
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"desc",
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"vdn",
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ImmutableSet.of(LabelDescriptor.create("label", "description")),
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Boolean.class);
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MetricDescriptor boolDescriptor = StackdriverWriter.createMetricDescriptor(boolMetric);
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when(metricDescriptorCreate.execute()).thenReturn(boolDescriptor);
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MetricPoint<Boolean> nativePoint =
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MetricPoint.create(boolMetric, ImmutableList.of("foo"), new Instant(1337), true);
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TimeSeries timeSeries = writer.getEncodedTimeSeries(nativePoint);
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assertThat(timeSeries.getValueType()).isEqualTo("BOOL");
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assertThat(timeSeries.getMetricKind()).isEqualTo("GAUGE");
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List<Point> points = timeSeries.getPoints();
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assertThat(points).hasSize(1);
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Point point = points.get(0);
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assertThat(point.getValue().getBoolValue()).isEqualTo(true);
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assertThat(point.getInterval().getEndTime()).isEqualTo("1970-01-01T00:00:01.337Z");
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assertThat(point.getInterval().getStartTime()).isEqualTo("1970-01-01T00:00:01.337Z");
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}
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}
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