Felix Meschberger | 3f9e4da | 2009-08-17 07:52:39 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.apache.felix.cm.impl; |
| 20 | |
| 21 | |
| 22 | import java.io.File; |
| 23 | import java.io.IOException; |
| 24 | import java.lang.reflect.Field; |
| 25 | import java.util.Dictionary; |
| 26 | |
| 27 | import junit.framework.TestCase; |
| 28 | |
| 29 | import org.apache.felix.cm.MockBundle; |
| 30 | import org.apache.felix.cm.MockBundleContext; |
| 31 | import org.apache.felix.cm.file.FilePersistenceManager; |
| 32 | import org.osgi.framework.Bundle; |
| 33 | import org.osgi.framework.BundleContext; |
| 34 | |
| 35 | |
| 36 | public class DynamicBindingsTest extends TestCase |
| 37 | { |
| 38 | |
| 39 | private File configLocation; |
| 40 | |
| 41 | private File bindingsFile; |
| 42 | |
| 43 | private FilePersistenceManager persistenceManager; |
| 44 | |
| 45 | private static final String PID1 = "test.pid.1"; |
| 46 | |
| 47 | private static final String PID2 = "test.pid.2"; |
| 48 | |
| 49 | private static final String LOCATION1 = "test://location.1"; |
| 50 | |
| 51 | private static final String LOCATION2 = "test://location.2"; |
| 52 | |
| 53 | |
| 54 | protected void setUp() throws Exception |
| 55 | { |
| 56 | super.setUp(); |
| 57 | |
| 58 | configLocation = new File( "target/config." + System.currentTimeMillis() ); |
| 59 | persistenceManager = new FilePersistenceManager( configLocation.getAbsolutePath() ); |
| 60 | |
| 61 | bindingsFile = new File( configLocation, DynamicBindings.BINDINGS_FILE_NAME + ".config" ); |
| 62 | } |
| 63 | |
| 64 | |
| 65 | protected void tearDown() throws Exception |
| 66 | { |
| 67 | bindingsFile.delete(); |
| 68 | configLocation.delete(); |
| 69 | |
| 70 | super.tearDown(); |
| 71 | } |
| 72 | |
| 73 | |
| 74 | public void test_no_bindings() throws IOException |
| 75 | { |
| 76 | |
| 77 | // ensure there is no file |
| 78 | bindingsFile.delete(); |
| 79 | |
| 80 | final BundleContext ctx = new MockBundleContext(); |
| 81 | final DynamicBindings dm = new DynamicBindings( ctx, persistenceManager ); |
| 82 | final Dictionary bindings = getBindings( dm ); |
| 83 | |
| 84 | assertNotNull( bindings ); |
| 85 | assertTrue( bindings.isEmpty() ); |
| 86 | } |
| 87 | |
| 88 | |
| 89 | public void test_store_bindings() throws IOException |
| 90 | { |
| 91 | // ensure there is no file |
| 92 | bindingsFile.delete(); |
| 93 | |
| 94 | final BundleContext ctx = new MockBundleContext(); |
| 95 | final DynamicBindings dm = new DynamicBindings( ctx, persistenceManager ); |
| 96 | |
| 97 | dm.putLocation( PID1, LOCATION1 ); |
| 98 | assertEquals( LOCATION1, dm.getLocation( PID1 ) ); |
| 99 | |
| 100 | assertTrue( bindingsFile.exists() ); |
| 101 | |
| 102 | final Dictionary bindings = persistenceManager.load( DynamicBindings.BINDINGS_FILE_NAME ); |
| 103 | assertNotNull( bindings ); |
| 104 | assertEquals( 1, bindings.size() ); |
| 105 | assertEquals( LOCATION1, bindings.get( PID1 ) ); |
| 106 | } |
| 107 | |
| 108 | |
| 109 | public void test_store_and_load_bindings() throws IOException |
| 110 | { |
| 111 | // ensure there is no file |
| 112 | bindingsFile.delete(); |
| 113 | |
| 114 | // preset bindings |
| 115 | final DynamicBindings dm0 = new DynamicBindings( new MockBundleContext(), persistenceManager ); |
| 116 | dm0.putLocation( PID1, LOCATION1 ); |
| 117 | |
| 118 | // check bindings |
| 119 | final BundleContext ctx = new DMTestMockBundleContext(); |
| 120 | final DynamicBindings dm = new DynamicBindings( ctx, persistenceManager ); |
| 121 | |
| 122 | // API check |
| 123 | assertEquals( LOCATION1, dm.getLocation( PID1 ) ); |
| 124 | |
| 125 | // low level check |
| 126 | final Dictionary bindings = getBindings( dm ); |
| 127 | assertNotNull( bindings ); |
| 128 | assertEquals( 1, bindings.size() ); |
| 129 | assertEquals( LOCATION1, bindings.get( PID1 ) ); |
| 130 | } |
| 131 | |
| 132 | |
| 133 | public void test_store_and_load_bindings_with_cleanup() throws IOException |
| 134 | { |
| 135 | // ensure there is no file |
| 136 | bindingsFile.delete(); |
| 137 | |
| 138 | // preset bindings |
| 139 | final DynamicBindings dm0 = new DynamicBindings( new MockBundleContext(), persistenceManager ); |
| 140 | dm0.putLocation( PID1, LOCATION1 ); |
| 141 | |
| 142 | // check bindings |
| 143 | final DynamicBindings dm = new DynamicBindings( new MockBundleContext(), persistenceManager ); |
| 144 | |
| 145 | // API check |
| 146 | assertNull( dm.getLocation( PID1 ) ); |
| 147 | |
| 148 | // low level check |
| 149 | final Dictionary bindings = getBindings( dm ); |
| 150 | assertNotNull( bindings ); |
| 151 | assertTrue( bindings.isEmpty() ); |
| 152 | } |
| 153 | |
| 154 | |
| 155 | private static Dictionary getBindings( DynamicBindings dm ) |
| 156 | { |
| 157 | try |
| 158 | { |
| 159 | final Field bindings = dm.getClass().getDeclaredField( "bindings" ); |
| 160 | bindings.setAccessible( true ); |
| 161 | return ( Dictionary ) bindings.get( dm ); |
| 162 | } |
| 163 | catch ( Throwable t ) |
| 164 | { |
| 165 | fail( "Cannot get bindings field: " + t ); |
| 166 | return null; |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | private static class DMTestMockBundleContext extends MockBundleContext |
| 171 | { |
| 172 | public Bundle[] getBundles() |
| 173 | { |
| 174 | return new Bundle[] |
| 175 | { new MockBundle( this, LOCATION1 ) }; |
| 176 | } |
| 177 | } |
| 178 | } |