| /* |
| * 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.ozone.graph; |
| |
| import com.google.common.graph.MutableGraph; |
| import org.apache.ozone.rocksdiff.CompactionNode; |
| import org.junit.jupiter.api.extension.ExtendWith; |
| import org.junit.jupiter.api.io.TempDir; |
| import org.junit.jupiter.params.ParameterizedTest; |
| import org.junit.jupiter.params.provider.EnumSource; |
| import org.mockito.Mock; |
| import org.mockito.junit.jupiter.MockitoExtension; |
| |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| import static org.mockito.Mockito.when; |
| |
| /** |
| * This class is used for testing the PrintableGraph class. |
| * It contains methods to test the generation and printing of graphs with different types. |
| */ |
| @ExtendWith(MockitoExtension.class) |
| public class TestPrintableGraph { |
| @TempDir |
| private Path dir; |
| |
| @Mock |
| private MutableGraph<CompactionNode> mutableGraph; |
| |
| @ParameterizedTest |
| @EnumSource(PrintableGraph.GraphType.class) |
| void testPrintNoGraphMessage(PrintableGraph.GraphType graphType) { |
| PrintableGraph graph = new PrintableGraph(mutableGraph, graphType); |
| try { |
| graph.generateImage(dir.resolve(graphType.name()).toString()); |
| } catch (IOException e) { |
| assertEquals("Graph is empty.", e.getMessage()); |
| } |
| } |
| |
| @ParameterizedTest |
| @EnumSource(PrintableGraph.GraphType.class) |
| void testPrintActualGraph(PrintableGraph.GraphType graphType) throws IOException { |
| Set<CompactionNode> nodes = Stream.of( |
| new CompactionNode("fileName1", |
| 100, 100, "startKey1", "endKey1", "columnFamily1"), |
| new CompactionNode("fileName2", |
| 200, 200, "startKey2", "endKey2", null), |
| new CompactionNode("fileName3", |
| 300, 300, null, "endKey3", "columnFamily3"), |
| new CompactionNode("fileName4", |
| 400, 400, "startKey4", null, "columnFamily4") |
| ).collect(Collectors.toSet()); |
| when(mutableGraph.nodes()).thenReturn(nodes); |
| |
| PrintableGraph graph = new PrintableGraph(mutableGraph, graphType); |
| graph.generateImage(dir.resolve(graphType.name()).toString()); |
| |
| assertTrue(Files.exists(dir.resolve(graphType.name())), "Graph hasn't been generated"); |
| } |
| } |