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Viewing changes to bzrlib/tests/test_diff.py

  • Committer: Paul Nixon
  • Date: 2012-07-12 15:59:35 UTC
  • mto: This revision was merged to the branch mainline in revision 6547.
  • Revision ID: pauljnixon@gmail.com-20120712155935-zjhvpontvhkv1e0y
Added tests of configurable context

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bzrlib/tests/test_diff.py
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        self.assertIsInstance(output.getvalue(), str,
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            'internal_diff should return bytestrings')
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    def test_internal_diff_default_context(self):
 
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        output = StringIO()
 
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        diff.internal_diff('old', ['same_text\n','same_text\n','same_text\n',
 
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                           'same_text\n','same_text\n','old_text\n'],
 
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                           'new', ['same_text\n','same_text\n','same_text\n',
 
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                           'same_text\n','same_text\n','new_text\n'], output)
 
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        lines = output.getvalue().splitlines(True)
 
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        self.check_patch(lines)
 
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        self.assertEquals(['--- old\n',
 
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                           '+++ new\n',
 
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                           '@@ -3,4 +3,4 @@\n',
 
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                           ' same_text\n',
 
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                           ' same_text\n',
 
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                           ' same_text\n',
 
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                           '-old_text\n',
 
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                           '+new_text\n',
 
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                           '\n',
 
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                          ]
 
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                          , lines)
 
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    def test_internal_diff_no_context(self):
 
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        output = StringIO()
 
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        diff.internal_diff('old', ['same_text\n','same_text\n','same_text\n',
 
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                           'same_text\n','same_text\n','old_text\n'],
 
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                           'new', ['same_text\n','same_text\n','same_text\n',
 
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                           'same_text\n','same_text\n','new_text\n'], output,
 
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                           context_lines=0)
 
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        lines = output.getvalue().splitlines(True)
 
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        self.check_patch(lines)
 
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        self.assertEquals(['--- old\n',
 
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                           '+++ new\n',
 
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                           '@@ -6,1 +6,1 @@\n',
 
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                           '-old_text\n',
 
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                           '+new_text\n',
 
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                           '\n',
 
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                          ]
 
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                          , lines)
 
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    def test_internal_diff_more_context(self):
 
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        output = StringIO()
 
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        diff.internal_diff('old', ['same_text\n','same_text\n','same_text\n',
 
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                           'same_text\n','same_text\n','old_text\n'],
 
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                           'new', ['same_text\n','same_text\n','same_text\n',
 
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                           'same_text\n','same_text\n','new_text\n'], output,
 
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                           context_lines=4)
 
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        lines = output.getvalue().splitlines(True)
 
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        self.check_patch(lines)
 
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        self.assertEquals(['--- old\n',
 
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                           '+++ new\n',
 
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                           '@@ -2,5 +2,5 @@\n',
 
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                           ' same_text\n',
 
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                           ' same_text\n',
 
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                           ' same_text\n',
 
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                           ' same_text\n',
 
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                           '-old_text\n',
 
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                           '+new_text\n',
 
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                           '\n',
 
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                          ]
 
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                          , lines)
 
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class TestDiffFiles(tests.TestCaseInTempDir):
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