| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.hudi.metrics.datadog; |
| |
| import org.apache.hudi.common.util.Option; |
| import org.apache.hudi.metrics.datadog.DatadogReporter.MetricType; |
| import org.apache.hudi.metrics.datadog.DatadogReporter.PayloadBuilder; |
| |
| import com.codahale.metrics.MetricFilter; |
| import com.codahale.metrics.MetricRegistry; |
| import org.apache.log4j.AppenderSkeleton; |
| import org.apache.log4j.Level; |
| import org.apache.log4j.Logger; |
| import org.apache.log4j.spi.LoggingEvent; |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.api.extension.ExtendWith; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Captor; |
| import org.mockito.Mock; |
| import org.mockito.junit.jupiter.MockitoExtension; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.concurrent.TimeUnit; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.verify; |
| |
| @ExtendWith(MockitoExtension.class) |
| public class TestDatadogReporter { |
| |
| @Mock |
| AppenderSkeleton appender; |
| |
| @Captor |
| ArgumentCaptor<LoggingEvent> logCaptor; |
| |
| @Mock |
| MetricRegistry registry; |
| |
| @Mock |
| DatadogHttpClient client; |
| |
| @Test |
| public void stopShouldCloseEnclosedClient() throws IOException { |
| new DatadogReporter(registry, client, "foo", Option.empty(), Option.empty(), |
| MetricFilter.ALL, TimeUnit.SECONDS, TimeUnit.SECONDS).stop(); |
| |
| verify(client).close(); |
| } |
| |
| @Test |
| public void stopShouldLogWhenEnclosedClientFailToClose() throws IOException { |
| Logger.getRootLogger().addAppender(appender); |
| doThrow(IOException.class).when(client).close(); |
| |
| new DatadogReporter(registry, client, "foo", Option.empty(), Option.empty(), |
| MetricFilter.ALL, TimeUnit.SECONDS, TimeUnit.SECONDS).stop(); |
| |
| verify(appender).doAppend(logCaptor.capture()); |
| assertEquals("Error disconnecting from Datadog.", logCaptor.getValue().getRenderedMessage()); |
| assertEquals(Level.WARN, logCaptor.getValue().getLevel()); |
| } |
| |
| @Test |
| public void prefixShouldPrepend() { |
| DatadogReporter reporter = new DatadogReporter( |
| registry, client, "foo", Option.empty(), Option.empty(), |
| MetricFilter.ALL, TimeUnit.SECONDS, TimeUnit.SECONDS); |
| assertEquals("foo.bar", reporter.prefix("bar")); |
| } |
| |
| @Test |
| public void payloadBuilderShouldBuildExpectedPayloadString() { |
| String payload = new PayloadBuilder() |
| .withMetricType(MetricType.gauge) |
| .addGauge("foo", 0, 0) |
| .addGauge("bar", 1, 999) |
| .withHost("xhost") |
| .withTags(Arrays.asList("tag1", "tag2")) |
| .build(); |
| assertEquals( |
| "{\"series\":[" |
| + "{\"metric\":\"foo\",\"points\":[[0,0]],\"host\":\"xhost\",\"tags\":[\"tag1\",\"tag2\"]}," |
| + "{\"metric\":\"bar\",\"points\":[[1,999]],\"host\":\"xhost\",\"tags\":[\"tag1\",\"tag2\"]}]}", |
| payload); |
| } |
| } |