001package org.eclipse.aether.internal.impl; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import static org.junit.Assert.*; 023 024import java.io.File; 025import java.nio.charset.StandardCharsets; 026import java.util.HashMap; 027import java.util.Map; 028import java.util.Properties; 029 030import org.eclipse.aether.internal.impl.TrackingFileManager; 031import org.eclipse.aether.internal.test.util.TestFileUtils; 032import org.junit.Test; 033 034/** 035 */ 036public class DefaultTrackingFileManagerTest 037{ 038 039 @Test 040 public void testRead() 041 throws Exception 042 { 043 TrackingFileManager tfm = new DefaultTrackingFileManager(); 044 045 File propFile = TestFileUtils.createTempFile( "#COMMENT\nkey1=value1\nkey2 : value2" ); 046 Properties props = tfm.read( propFile ); 047 048 assertNotNull( props ); 049 assertEquals( String.valueOf( props ), 2, props.size() ); 050 assertEquals( "value1", props.get( "key1" ) ); 051 assertEquals( "value2", props.get( "key2" ) ); 052 053 assertTrue( "Leaked file: " + propFile, propFile.delete() ); 054 055 props = tfm.read( propFile ); 056 assertNull( String.valueOf( props ), props ); 057 } 058 059 @Test 060 public void testReadNoFileLeak() 061 throws Exception 062 { 063 TrackingFileManager tfm = new DefaultTrackingFileManager(); 064 065 for ( int i = 0; i < 1000; i++ ) 066 { 067 File propFile = TestFileUtils.createTempFile( "#COMMENT\nkey1=value1\nkey2 : value2" ); 068 assertNotNull( tfm.read( propFile ) ); 069 assertTrue( "Leaked file: " + propFile, propFile.delete() ); 070 } 071 } 072 073 @Test 074 public void testUpdate() 075 throws Exception 076 { 077 TrackingFileManager tfm = new DefaultTrackingFileManager(); 078 079 // NOTE: The excessive repetitions are to check the update properly truncates the file 080 File propFile = TestFileUtils.createTempFile( "key1=value1\nkey2 : value2\n".getBytes( StandardCharsets.UTF_8 ), 1000 ); 081 082 Map<String, String> updates = new HashMap<>(); 083 updates.put( "key1", "v" ); 084 updates.put( "key2", null ); 085 086 tfm.update( propFile, updates ); 087 088 Properties props = tfm.read( propFile ); 089 090 assertNotNull( props ); 091 assertEquals( String.valueOf( props ), 1, props.size() ); 092 assertEquals( "v", props.get( "key1" ) ); 093 assertNull( String.valueOf( props.get( "key2" ) ), props.get( "key2" ) ); 094 } 095 096 @Test 097 public void testUpdateNoFileLeak() 098 throws Exception 099 { 100 TrackingFileManager tfm = new DefaultTrackingFileManager(); 101 102 Map<String, String> updates = new HashMap<>(); 103 updates.put( "k", "v" ); 104 105 for ( int i = 0; i < 1000; i++ ) 106 { 107 File propFile = TestFileUtils.createTempFile( "#COMMENT\nkey1=value1\nkey2 : value2" ); 108 assertNotNull( tfm.update( propFile, updates ) ); 109 assertTrue( "Leaked file: " + propFile, propFile.delete() ); 110 } 111 } 112 113}