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Viewing changes to bzrlib/tests/test_diff.py

  • Committer: Aaron Bentley
  • Date: 2007-12-28 16:37:46 UTC
  • mto: This revision was merged to the branch mainline in revision 3154.
  • Revision ID: abentley@panoramicfeedback.com-20071228163746-975r76opsppiwstk
Handle missing tools gracefully in diff --using

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bzrlib/tests/test_diff.py
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    internal_diff,
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    show_diff_trees,
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    )
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from bzrlib.errors import BinaryFile, NoDiff
 
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from bzrlib.errors import BinaryFile, NoDiff, ExecutableMissing
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import bzrlib.osutils as osutils
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import bzrlib.patiencediff
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import bzrlib._patiencediff_py
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        diff_obj._execute('old', 'new')
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        self.assertEqual(output.getvalue(), 'old new\n')
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    def test_excute_missing(self):
 
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        diff_obj = DiffFromTool(['a-tool-which-is-unlikely-to-exist'],
 
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                                None, None, None)
 
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        self.addCleanup(diff_obj.finish)
 
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        e = self.assertRaises(ExecutableMissing, diff_obj._execute, 'old',
 
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                              'new')
 
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        self.assertEqual('a-tool-which-is-unlikely-to-exist could not be found'
 
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                         ' on this machine', str(e))
 
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    def test_prepare_files(self):
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        output = StringIO()
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        tree = self.make_branch_and_tree('tree')