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Viewing changes to bzrlib/tests/blackbox/test_diff.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-01-14 00:01:32 UTC
  • mfrom: (4957.1.1 jam-integration)
  • Revision ID: pqm@pqm.ubuntu.com-20100114000132-3p3rabnonjw3gzqb
(jam) Merge bzr.stable, bringing in bug fixes #175839, #504390

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bzrlib/tests/blackbox/test_diff.py
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import os
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import re
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import bzrlib
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from bzrlib import workingtree
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from bzrlib.branch import Branch
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from bzrlib.tests import TestSkipped
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from bzrlib.tests.blackbox import ExternalBase
 
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from bzrlib import (
 
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    tests,
 
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    workingtree,
 
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    )
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def subst_dates(string):
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                  'YYYY-MM-DD HH:MM:SS +ZZZZ', string)
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class DiffBase(ExternalBase):
 
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class DiffBase(tests.TestCaseWithTransport):
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    """Base class with common setup method"""
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    def make_example_branch(self):
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    def test_external_diff(self):
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        """Test that we can spawn an external diff process"""
 
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        self.disable_missing_extensions_warning()
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        # We have to use run_bzr_subprocess, because we need to
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        # test writing directly to stdout, (there was a bug in
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        # subprocess.py that we had to workaround).
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        # However, if 'diff' may not be available
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        self.make_example_branch()
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        orig_progress = os.environ.get('BZR_PROGRESS_BAR')
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        try:
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            os.environ['BZR_PROGRESS_BAR'] = 'none'
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            out, err = self.run_bzr_subprocess('diff -r 1 --diff-options -ub',
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                                               universal_newlines=True,
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                                               retcode=None)
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        finally:
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            if orig_progress is None:
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                del os.environ['BZR_PROGRESS_BAR']
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            else:
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                os.environ['BZR_PROGRESS_BAR'] = orig_progress
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        # this will be automatically restored by the base bzr test class
 
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        os.environ['BZR_PROGRESS_BAR'] = 'none'
 
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        out, err = self.run_bzr_subprocess('diff -r 1 --diff-options -ub',
 
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                                           universal_newlines=True,
 
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                                           retcode=None)
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        if 'Diff is not installed on this machine' in err:
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            raise TestSkipped("No external 'diff' is available")
 
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            raise tests.TestSkipped("No external 'diff' is available")
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        self.assertEqual('', err)
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        # We have to skip the stuff in the middle, because it depends
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        # on time.time()