java/java-tests/testSrc/com/intellij/module/ModulePointerTest.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.module;
  17
  18 import com.intellij.openapi.Disposable;
  19 import com.intellij.openapi.application.Result;
  20 import com.intellij.openapi.application.WriteAction;
  21 import com.intellij.openapi.module.*;
  22 import com.intellij.testFramework.PlatformTestCase;
  23
  24 /**
  25  * @author nik
  26  */
  27 public class ModulePointerTest extends PlatformTestCase {
  28   public void testCreateByName() throws Exception {
  29     final ModulePointer pointer = getPointerManager().create("m");
  30     assertSame(pointer, getPointerManager().create("m"));
  31     assertNull(pointer.getModule());
  32     assertEquals("m", pointer.getModuleName());
  33
  34     final Module module = addModule("m");
  35
  36     assertSame(module, pointer.getModule());
  37     assertEquals("m", pointer.getModuleName());
  38   }
  39
  40   public void testCreateByModule() throws Exception {
  41     final Module module = addModule("x");
  42     final ModulePointer pointer = getPointerManager().create(module);
  43     assertSame(pointer, getPointerManager().create(module));
  44     assertSame(pointer, getPointerManager().create("x"));
  45     assertSame(module, pointer.getModule());
  46     assertEquals("x", pointer.getModuleName());
  47
  48     ModifiableModuleModel model = getModuleManager().getModifiableModel();
  49     model.disposeModule(module);
  50     commitModel(model);
  51
  52     assertNull(pointer.getModule());
  53     assertEquals("x", pointer.getModuleName());
  54
  55     final Module newModule = addModule("x");
  56     assertSame(pointer, getPointerManager().create(newModule));
  57   }
  58
  59   public void testRenameModule() throws Exception {
  60     final ModulePointer pointer = getPointerManager().create("abc");
  61     final Module module = addModule("abc");
  62     ModifiableModuleModel model = getModuleManager().getModifiableModel();
  63     model.renameModule(module, "xyz");
  64     commitModel(model);
  65     assertSame(module, pointer.getModule());
  66     assertEquals("xyz", pointer.getModuleName());
  67   }
  68
  69   public void testDisposePointerFromUncommitedModifiableModel() throws Exception {
  70     final ModulePointer pointer = getPointerManager().create("xxx");
  71
  72     final ModifiableModuleModel modifiableModel = getModuleManager().getModifiableModel();
  73     final Module module = modifiableModel.newModule(myProject.getBaseDir().getPath() + "/xxx.iml", EmptyModuleType.getInstance());
  74     assertSame(pointer, getPointerManager().create(module));
  75     assertSame(pointer, getPointerManager().create("xxx"));
  76
  77     assertSame(module, pointer.getModule());
  78     assertEquals("xxx", pointer.getModuleName());
  79
  80     modifiableModel.dispose();
  81
  82     assertNull(pointer.getModule());
  83     assertEquals("xxx", pointer.getModuleName());
  84   }
  85
  86   private ModuleManager getModuleManager() {
  87     return ModuleManager.getInstance(myProject);
  88   }
  89
  90   private Module addModule(final String name) {
  91     final ModifiableModuleModel model = getModuleManager().getModifiableModel();
  92     final Module module = model.newModule(myProject.getBaseDir().getPath() + "/" + name + ".iml", EmptyModuleType.getInstance());
  93     commitModel(model);
  94     disposeOnTearDown(new Disposable() {
  95       public void dispose() {
  96         if (!module.isDisposed()) {
  97           getModuleManager().disposeModule(module);
  98         }
  99       }
 100     });
 101     return module;
 102   }
 103
 104   private static void commitModel(final ModifiableModuleModel model) {
 105     new WriteAction() {
 106       protected void run(final Result result) {
 107         model.commit();
 108       }
 109     }.execute();
 110   }
 111
 112   private ModulePointerManager getPointerManager() {
 113     return ModulePointerManager.getInstance(myProject);
 114   }
 115 }