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Viewing changes to bzrlib/tests/test_hooks.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2011-02-18 20:16:49 UTC
  • mfrom: (5622.2.11 lazy-hooks)
  • Revision ID: pqm@pqm.ubuntu.com-20110218201649-woj0pygeukoq6z6h
(jelmer) Allow installing hooks without importing the hook point. (Jelmer
 Vernooij)

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bzrlib/tests/test_hooks.py
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from bzrlib import (
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    branch,
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    errors,
 
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    pyutils,
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    tests,
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    )
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from bzrlib.hooks import (
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    HookPoint,
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    Hooks,
 
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    install_lazy_named_hook,
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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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    _lazy_hooks,
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    )
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from bzrlib.symbol_versioning import (
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    deprecated_in,
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        hooks.install_named_hook('set_rh', None, "demo")
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        self.assertEqual("demo", hooks.get_hook_name(None))
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    hooks = Hooks("bzrlib.tests.test_hooks", "TestHooks.hooks")
 
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    def test_install_lazy_named_hook(self):
 
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        # When the hook points are not yet registered the hook is
 
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        # added to the _lazy_hooks dictionary in bzrlib.hooks.
 
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        self.hooks.add_hook('set_rh', "doc", (0, 15))
 
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        set_rh = lambda: None
 
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        install_lazy_named_hook('bzrlib.tests.test_hooks',
 
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            'TestHooks.hooks', 'set_rh', set_rh, "demo")
 
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        set_rh_lazy_hooks = _lazy_hooks[
 
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            ('bzrlib.tests.test_hooks', 'TestHooks.hooks', 'set_rh')]
 
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        self.assertEquals(1, len(set_rh_lazy_hooks))
 
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        self.assertEquals(set_rh, set_rh_lazy_hooks[0][0].get_obj())
 
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        self.assertEquals("demo", set_rh_lazy_hooks[0][1])
 
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        self.assertEqual(list(TestHooks.hooks['set_rh']), [set_rh])
 
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    set_rh = lambda: None
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    def test_install_named_hook_lazy(self):
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            'set_rh', 'bzrlib.tests.test_hooks', 'TestHooks.set_rh',
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            "demo")
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    def test_valid_lazy_hooks(self):
 
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        # Make sure that all the registered lazy hooks are referring to existing
 
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        # hook points which allow lazy registration.
 
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        for key, callbacks in _lazy_hooks.iteritems():
 
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            (module_name, member_name, hook_name) = key
 
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            obj = pyutils.get_named_object(module_name, member_name)
 
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            self.assertEquals(obj._module, module_name)
 
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            self.assertEquals(obj._member_name, member_name)
 
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            self.assertTrue(hook_name in obj)
 
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            self.assertIs(callbacks, obj[hook_name]._callbacks)
 
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class TestHook(tests.TestCase):
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