| /** |
| * 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.repository.graph; |
| |
| import org.apache.atlas.repository.RepositoryException; |
| import org.apache.atlas.repository.graphdb.AtlasEdge; |
| import org.apache.atlas.repository.graphdb.AtlasEdgeDirection; |
| import org.apache.atlas.repository.graphdb.AtlasGraph; |
| import org.apache.atlas.repository.graphdb.AtlasVertex; |
| import org.mockito.MockitoAnnotations; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.Test; |
| |
| import java.util.Iterator; |
| |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| import static org.testng.Assert.assertEquals; |
| |
| public class GraphHelperMockTest { |
| |
| private GraphHelper graphHelperInstance; |
| |
| private AtlasGraph graph; |
| |
| @BeforeClass |
| public void setup() { |
| MockitoAnnotations.initMocks(this); |
| graph = mock(AtlasGraph.class); |
| graphHelperInstance = GraphHelper.getInstance(graph); |
| } |
| |
| @Test(expectedExceptions = RepositoryException.class) |
| public void testGetOrCreateEdgeLabelWithMaxRetries() throws Exception { |
| final String edgeLabel = "testLabel"; |
| AtlasVertex v1 = mock(AtlasVertex.class); |
| AtlasVertex v2 = mock(AtlasVertex.class); |
| |
| Iterable noEdgesIterable = new Iterable<AtlasEdge>() { |
| @Override |
| public Iterator<AtlasEdge> iterator() { |
| return new Iterator<AtlasEdge>() { |
| @Override |
| public boolean hasNext() { |
| return false; |
| } |
| |
| @Override |
| public AtlasEdge next() { |
| return null; |
| } |
| |
| @Override |
| public void remove() { |
| } |
| }; |
| } |
| }; |
| when(v2.getEdges(AtlasEdgeDirection.IN)).thenReturn(noEdgesIterable); |
| when(v1.getEdges(AtlasEdgeDirection.OUT)).thenReturn(noEdgesIterable); |
| |
| when(v1.getId()).thenReturn("1234"); |
| when(v2.getId()).thenReturn("5678"); |
| when(graph.addEdge(v1, v2, edgeLabel)).thenThrow(new RuntimeException("Unique property constraint violated")); |
| graphHelperInstance.getOrCreateEdge(v1, v2, edgeLabel); |
| } |
| |
| @Test |
| public void testGetOrCreateEdgeLabelWithRetries() throws Exception { |
| final String edgeLabel = "testLabel"; |
| AtlasVertex v1 = mock(AtlasVertex.class); |
| AtlasVertex v2 = mock(AtlasVertex.class); |
| AtlasEdge edge = mock(AtlasEdge.class); |
| |
| Iterable noEdgesIterable = new Iterable<AtlasEdge>() { |
| @Override |
| public Iterator<AtlasEdge> iterator() { |
| return new Iterator<AtlasEdge>() { |
| @Override |
| public boolean hasNext() { |
| return false; |
| } |
| |
| @Override |
| public AtlasEdge next() { |
| return null; |
| } |
| |
| @Override |
| public void remove() { |
| } |
| }; |
| } |
| }; |
| when(v2.getEdges(AtlasEdgeDirection.IN)).thenReturn(noEdgesIterable); |
| when(v1.getEdges(AtlasEdgeDirection.OUT)).thenReturn(noEdgesIterable); |
| |
| when(v1.getId()).thenReturn("v1"); |
| when(v2.getId()).thenReturn("v2"); |
| when(edge.getId()).thenReturn("edge"); |
| when(graph.addEdge(v1, v2, edgeLabel)) |
| .thenThrow(new RuntimeException("Unique property constraint violated")).thenReturn(edge); |
| AtlasEdge redge = graphHelperInstance.getOrCreateEdge(v1, v2, edgeLabel); |
| assertEquals(edge, redge); |
| } |
| } |