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Viewing changes to bzrlib/selftest/testdiff.py

  • Committer: Aaron Bentley
  • Date: 2005-08-10 14:59:36 UTC
  • mto: (1092.1.41) (1185.3.4) (974.1.47)
  • mto: This revision was merged to the branch mainline in revision 1110.
  • Revision ID: abentley@panoramicfeedback.com-20050810145936-f1b0cf25e8b18f6c
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bzrlib/selftest/testdiff.py
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from bzrlib.selftest import TestCase
 
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from bzrlib.selftest import TestBase
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from bzrlib.diff import internal_diff
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from cStringIO import StringIO
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def udiff_lines(old, new):
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    assert '@@' in lines[2][2:], \
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        "Unterminated hunk header for patch:\n%s" % "".join(lines)
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class TestDiff(TestCase):
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    def test_add_nl(self):
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        """diff generates a valid diff for patches that add a newline"""
 
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class AddNL(TestBase):
 
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    """
 
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    diff generates a valid diff for patches that add a newline
 
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    """
 
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    def runTest(self):
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        lines = udiff_lines(['boo'], ['boo\n'])
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        check_patch(lines)
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        assert lines[4] == '\\ No newline at end of file\n', \
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            "expected no-nl, got %r" % lines[4]
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    def test_add_nl_2(self):
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        """diff generates a valid diff for patches that change last line and
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        add a newline.
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        """
 
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class AddNL2(TestBase):
 
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    """
 
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    diff generates a valid diff for patches that change last line and add a
 
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    newline
 
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    """
 
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    def runTest(self):
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        lines = udiff_lines(['boo'], ['goo\n'])
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        check_patch(lines)
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        assert lines[4] == '\\ No newline at end of file\n', \
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            "expected no-nl, got %r" % lines[4]
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    def test_remove_nl(self):
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        """diff generates a valid diff for patches that change last line and
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        add a newline.
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        """
 
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class RemoveNL(TestBase):
 
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    """
 
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    diff generates a valid diff for patches that change last line and add a
 
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    newline
 
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    """
 
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    def runTest(self):
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        lines = udiff_lines(['boo\n'], ['boo'])
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        check_patch(lines)
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        assert lines[5] == '\\ No newline at end of file\n', \
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            "expected no-nl, got %r" % lines[5]
 
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TEST_CLASSES = [
 
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    AddNL, 
 
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    AddNL2, 
 
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    RemoveNL,
 
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]