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Viewing changes to bzrlib/tests/test_lazy_import.py

  • Committer: Aaron Bentley
  • Date: 2007-11-09 01:55:37 UTC
  • mto: This revision was merged to the branch mainline in revision 2976.
  • Revision ID: aaron.bentley@utoronto.ca-20071109015537-q83rlmzstfggjebb
Fix exception when ScopeReplacer is assigned to before retrieving any members

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bzrlib/tests/test_lazy_import.py
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                          ('foo', 2),
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                         ], actions)
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    def test_setattr_replaces(self):
 
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        """ScopeReplacer can create an instance in local scope.
 
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        An object should appear in globals() by constructing a ScopeReplacer,
 
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        and it will be replaced with the real object upon the first request.
 
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        """
 
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        def factory(replacer, scope, name):
 
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            return TestClass()
 
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        try:
 
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            test_obj6
 
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        except NameError:
 
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            # test_obj6 shouldn't exist yet
 
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            pass
 
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        else:
 
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            self.fail('test_obj6 was not supposed to exist yet')
 
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        orig_globals = set(globals().keys())
 
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        lazy_import.ScopeReplacer(scope=globals(), name='test_obj6',
 
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                                  factory=factory)
 
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        new_globals = set(globals().keys())
 
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        # We can't use isinstance() because that uses test_obj6.__class__
 
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        # and that goes through __getattribute__ which would activate
 
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        # the replacement
 
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        self.assertEqual(lazy_import.ScopeReplacer,
 
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                         object.__getattribute__(test_obj6, '__class__'))
 
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        test_obj6.bar = 'test'
 
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        self.assertNotEqual(lazy_import.ScopeReplacer,
 
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                            object.__getattribute__(test_obj6, '__class__'))
 
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    def test_replace_side_effects(self):
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        """Creating a new object should only create one entry in globals.
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