platform/lvcs-impl/testSrc/com/intellij/historyIntegrTests/revertion/ChangeReverterCanRevertTest.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
  17 package com.intellij.historyIntegrTests.revertion;
  18
  19 import com.intellij.history.integration.revertion.Reverter;
  20 import com.intellij.openapi.vfs.VirtualFile;
  21
  22 import java.io.IOException;
  23 import java.util.Collections;
  24 import java.util.List;
  25
  26 public class ChangeReverterCanRevertTest extends ChangeReverterTestCase {
  27   public void testDoesNotAskIfThereIsNoSubsequentalChanges() throws IOException {
  28     root.createChildData(null, "f.txt");
  29
  30     Reverter r = createReverter(root, 0);
  31     assertTrue(r.askUserForProceeding().isEmpty());
  32   }
  33
  34   public void testAskingForRevertSubsequentalChanges() throws IOException {
  35     VirtualFile f = root.createChildData(null, "f.txt");
  36     f.setBinaryContent(new byte[1]);
  37
  38     Reverter r = createReverter(f, 1);
  39     List<String> questions = r.askUserForProceeding();
  40
  41     String expected = "There are some changes that have been done after this one.\nThese changes should be reverted too.";
  42     assertEquals(Collections.singletonList(expected), questions);
  43   }
  44
  45   public void testCanNotRevertRenameIfSomeFilesAlreadyExist() throws IOException {
  46     VirtualFile f = root.createChildData(null, "f.txt");
  47
  48     f.rename(null, "ff.txt");
  49     assertCanRevert(f, 0);
  50
  51     root.createChildData(null, "f.txt");
  52     assertCanNotRevert(f, 0, "some files already exist");
  53   }
  54
  55   public void testCanNotRevertMovementIfSomeFilesAlreadyExist() throws IOException {
  56     VirtualFile f = root.createChildData(null, "f.txt");
  57     VirtualFile dir = root.createChildDirectory(null, "dir");
  58
  59     f.move(null, dir);
  60     assertCanRevert(f, 0);
  61
  62     root.createChildData(null, "f.txt");
  63     assertCanNotRevert(f, 0, "some files already exist");
  64   }
  65
  66   public void testIncludeOnlyOnlyErrorMessage() throws IOException {
  67     VirtualFile f1 = root.createChildData(null, "f1.txt");
  68     VirtualFile f2 = root.createChildData(null, "f2.txt");
  69     VirtualFile dir = root.createChildDirectory(null, "dir");
  70
  71     f1.move(null, dir);
  72     f2.move(null, dir);
  73     assertCanRevert(dir, 1);
  74
  75     root.createChildData(null, "f1.txt");
  76     root.createChildData(null, "f2.txt");
  77
  78     List<String> ee = getCanRevertErrors(dir, 1);
  79     assertEquals(1, ee.size());
  80     assertEquals("some files already exist", ee.get(0));
  81   }
  82
  83   public void testDoesNotConsiderUnaffectedFiles() throws IOException {
  84     VirtualFile f1 = root.createChildData(null, "f1.txt");
  85     VirtualFile f2 = root.createChildData(null, "f2.txt");
  86
  87     f1.rename(null, "f11.txt");
  88     f2.rename(null, "f22.txt");
  89     root.createChildData(null, "f2.txt");
  90
  91     assertCanRevert(f1, 0);
  92   }
  93
  94   public void testDoesNotConsiderPreviousChanges() throws IOException {
  95     VirtualFile f = root.createChildData(null, "f.txt");
  96
  97     f.rename(null, "ff.txt");
  98     f.rename(null, "fff.txt");
  99     root.createChildData(null, "f.txt");
 100
 101     assertCanRevert(f, 0);
 102   }
 103 }