| /** |
| * 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.atlas.services; |
| |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.model.metrics.AtlasMetrics; |
| import org.apache.atlas.repository.graphdb.AtlasGraph; |
| import org.apache.atlas.type.AtlasTypeRegistry; |
| import org.apache.commons.configuration.Configuration; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.mockito.Matchers.anyString; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.*; |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertNotNull; |
| |
| public class MetricsServiceTest { |
| private Configuration mockConfig = mock(Configuration.class); |
| private AtlasTypeRegistry mockTypeRegistry = mock(AtlasTypeRegistry.class); |
| private AtlasGraph mockGraph = mock(AtlasGraph.class); |
| private MetricsService metricsService; |
| |
| private List<Map> mockMapList = new ArrayList<>(); |
| private Number mockCount = 10; |
| |
| @BeforeClass |
| public void init() throws AtlasBaseException { |
| Map<String, Object> mockMap = new HashMap<>(); |
| mockMap.put("a", 1); |
| mockMap.put("b", 2); |
| mockMap.put("c", 3); |
| mockMapList.add(mockMap); |
| |
| when(mockConfig.getInt(anyString(), anyInt())).thenReturn(5); |
| assertEquals(mockConfig.getInt("test", 1), 5); |
| when(mockConfig.getString(anyString(), anyString())) |
| .thenReturn("count()", "count()", "count()", "count()", "count()", "toList()", "count()", "toList()"); |
| when(mockTypeRegistry.getAllEntityDefNames()).thenReturn(Arrays.asList("a", "b", "c")); |
| setupMockGraph(); |
| |
| metricsService = new MetricsService(mockConfig, mockGraph); |
| } |
| |
| private void setupMockGraph() throws AtlasBaseException { |
| if (mockGraph == null) mockGraph = mock(AtlasGraph.class); |
| when(mockGraph.executeGremlinScript(anyString(), eq(false))).thenAnswer(new Answer<Object>() { |
| @Override |
| public Object answer(InvocationOnMock invocationOnMock) throws Throwable { |
| if (((String)invocationOnMock.getArguments()[0]).contains("count()")) { |
| return mockCount; |
| } else { |
| return mockMapList; |
| } |
| } |
| }); |
| } |
| |
| @Test |
| public void testGetMetrics() throws InterruptedException, AtlasBaseException { |
| assertNotNull(metricsService); |
| AtlasMetrics metrics = metricsService.getMetrics(false); |
| assertNotNull(metrics); |
| Number aCount = metrics.getMetric("entity", "a"); |
| assertNotNull(aCount); |
| assertEquals(aCount, 1); |
| |
| Number bCount = metrics.getMetric("entity", "b"); |
| assertNotNull(bCount); |
| assertEquals(bCount, 2); |
| |
| Number cCount = metrics.getMetric("entity", "c"); |
| assertNotNull(cCount); |
| assertEquals(cCount, 3); |
| |
| Number aTags = metrics.getMetric("tag", "a"); |
| assertNotNull(aTags); |
| assertEquals(aTags, 1); |
| |
| Number bTags = metrics.getMetric("tag", "b"); |
| assertNotNull(bTags); |
| assertEquals(bTags, 2); |
| |
| Number cTags = metrics.getMetric("tag", "c"); |
| assertNotNull(cTags); |
| assertEquals(cTags, 3); |
| |
| verify(mockGraph, atLeastOnce()).executeGremlinScript(anyString(), anyBoolean()); |
| |
| // Subsequent call within the cache timeout window |
| metricsService.getMetrics(false); |
| verifyZeroInteractions(mockGraph); |
| |
| // Now test the cache refresh |
| Thread.sleep(6000); |
| metricsService.getMetrics(true); |
| verify(mockGraph, atLeastOnce()).executeGremlinScript(anyString(), anyBoolean()); |
| } |
| } |