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Viewing changes to bzrlib/tests/test_hooks.py

  • Committer: Martin Pool
  • Date: 2009-03-13 03:01:14 UTC
  • mfrom: (4138 +trunk)
  • mto: This revision was merged to the branch mainline in revision 4144.
  • Revision ID: mbp@sourcefrog.net-20090313030114-y723gefxl8tfynsd
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bzrlib/tests/test_hooks.py
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"""Tests for the core Hooks logic."""
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from bzrlib import errors
 
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from bzrlib import branch, errors
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from bzrlib.hooks import (
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    HookPoint,
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    Hooks,
 
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    known_hooks,
 
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    known_hooks_key_to_object,
 
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    known_hooks_key_to_parent_and_attribute,
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    )
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from bzrlib.errors import (
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    UnknownHook,
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        hooks.create_hook(hook2)
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        self.assertEqualDiff(
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            "MyHooks\n"
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            "=======\n"
 
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            "-------\n"
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            "\n"
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            "legacy\n"
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            "------\n"
 
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            "~~~~~~\n"
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            "\n"
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            "An old-style hook. For documentation see the __init__ method of 'MyHooks'\n"
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            "\n"
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            "post_tip_change\n"
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            "---------------\n"
 
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            "~~~~~~~~~~~~~~~\n"
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            "\n"
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            "Introduced in: 1.4\n"
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            "Deprecated in: Not deprecated\n"
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            "ChangeBranchTipParams object.\n"
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            "\n"
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            "pre_tip_change\n"
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            "--------------\n"
 
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            "~~~~~~~~~~~~~~\n"
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            "\n"
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            "Introduced in: 1.6\n"
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            "Deprecated in: Not deprecated\n"
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            " a bzrlib.branch.PostChangeBranchTipParams object")
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        hook = HookPoint("post_tip_change", doc, (0, 15), None)
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        self.assertEqual("post_tip_change\n"
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            "---------------\n"
 
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            "~~~~~~~~~~~~~~~\n"
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            "\n"
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            "Introduced in: 0.15\n"
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            "Deprecated in: Not deprecated\n"
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        self.assertEqual(
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            '<HookPoint(foo), callbacks=[%s(my callback)]>' %
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            callback_repr, repr(hook))
 
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class TestHookRegistry(TestCase):
 
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    def test_items_are_reasonable_keys(self):
 
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        # All the items in the known_hooks registry need to map from
 
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        # (module_name, member_name) tuples to the callable used to get an
 
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        # empty Hooks of for that attribute. This is used to support the test
 
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        # suite which needs to generate empty hooks (and HookPoints) to ensure
 
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        # isolation and prevent tests failing spuriously.
 
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        for key, factory in known_hooks.items():
 
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            self.assertTrue(callable(factory),
 
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                "The factory(%r) for %r is not callable" % (factory, key))
 
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            obj = known_hooks_key_to_object(key)
 
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            self.assertIsInstance(obj, Hooks)
 
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            new_hooks = factory()
 
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            self.assertIsInstance(obj, Hooks)
 
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            self.assertEqual(type(obj), type(new_hooks))
 
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    def test_known_hooks_key_to_object(self):
 
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        self.assertIs(branch.Branch.hooks,
 
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            known_hooks_key_to_object(('bzrlib.branch', 'Branch.hooks')))
 
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    def test_known_hooks_key_to_parent_and_attribute(self):
 
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        self.assertEqual((branch.Branch, 'hooks'),
 
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            known_hooks_key_to_parent_and_attribute(
 
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            ('bzrlib.branch', 'Branch.hooks')))
 
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        self.assertEqual((branch, 'Branch'),
 
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            known_hooks_key_to_parent_and_attribute(
 
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            ('bzrlib.branch', 'Branch')))