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1   /*
2    * #%L
3    * JavaHg
4    * %%
5    * Copyright (C) 2011 aragost Trifork ag
6    * %%
7    * Permission is hereby granted, free of charge, to any person obtaining a copy
8    * of this software and associated documentation files (the "Software"), to deal
9    * in the Software without restriction, including without limitation the rights
10   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11   * copies of the Software, and to permit persons to whom the Software is
12   * furnished to do so, subject to the following conditions:
13   * 
14   * The above copyright notice and this permission notice shall be included in
15   * all copies or substantial portions of the Software.
16   * 
17   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23   * THE SOFTWARE.
24   * #L%
25   */
26  package com.aragost.javahg.commands;
27  
28  import java.io.IOException;
29  
30  import org.junit.Assert;
31  import org.junit.Test;
32  
33  import com.aragost.javahg.Repository;
34  import com.aragost.javahg.test.AbstractTestCase;
35  
36  public class DiffCommandTest extends AbstractTestCase {
37  
38      @Test
39      public void testNoFiles() throws IOException {
40          Repository repo = getTestRepository();
41          writeFile("x", "abc\n");
42          AddCommand.on(repo).execute();
43  
44          // @formatter:off
45          String expected = ""
46                  + "diff --git a/x b/x\n"
47                  + "new file mode 100644\n"
48                  + "--- /dev/null\n"
49                  + "+++ b/x\n"
50                  + "@@ -0,0 +1,1 @@\n"
51                  + "+abc\n";
52          // @formatter:on
53  
54          String patch = DiffCommand.on(repo).nodates().execute();
55          Assert.assertEquals(expected, patch);
56      }
57  
58      @Test
59      public void testSingleFile() throws IOException {
60          Repository repo = getTestRepository();
61  
62          writeFile("x", "abc\n");
63          AddCommand.on(repo).execute();
64  
65          // @formatter:off
66          String expected = ""
67                  + "diff --git a/x b/x\n" 
68                  + "new file mode 100644\n"
69                  + "--- /dev/null\n"
70                  + "+++ b/x\n"
71                  + "@@ -0,0 +1,1 @@\n"
72                  + "+abc\n";
73          // @formatter:on
74  
75          String patch = DiffCommand.on(repo).nodates().execute("x");
76          Assert.assertEquals(expected, patch);
77      }
78  
79      @Test
80      public void testDiffstat() throws IOException {
81          Repository repo = getTestRepository();
82          writeFile("x", "abc\n");
83          AddCommand.on(repo).execute();
84  
85          // @formatter:off
86          String expected = ""
87                  + " x |  1 +\n"
88                  + " 1 files changed, 1 insertions(+), 0 deletions(-)\n";
89          // @formatter:on
90  
91          String patch = DiffCommand.on(repo).stat().execute();
92          Assert.assertEquals(expected, patch);
93      }
94  
95  }