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Viewing changes to bzrlib/tests/test_hooks.py

  • Committer: Jelmer Vernooij
  • Date: 2011-01-23 00:18:12 UTC
  • mto: (5622.4.1 uninstall-hook)
  • mto: This revision was merged to the branch mainline in revision 5669.
  • Revision ID: jelmer@samba.org-20110123001812-9plvijshan4ygkv6
Use new hooks infrastructure for version info rio hooks.

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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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    )
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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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        hooks = Hooks()
 
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        hooks['set_rh'] = HookPoint("set_rh", "doc", (0, 15), None)
 
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        hooks.install_named_hook_lazy('set_rh', 'bzrlib.tests.test_hooks',
 
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            'TestHooks.set_rh', "demo")
 
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        self.assertEqual(list(hooks['set_rh']), [TestHooks.set_rh])
 
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    def test_install_named_hook_lazy_old(self):
 
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        # An exception is raised if a lazy hook is raised for
 
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        # an old style hook point.
 
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        hooks = Hooks()
 
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        hooks['set_rh'] = []
 
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        self.assertRaises(errors.UnsupportedOperation,
 
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            hooks.install_named_hook_lazy,
 
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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 (module_name, member_name, hook_name) in _lazy_hooks:
 
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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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class TestHook(tests.TestCase):
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        hook.hook(callback, "my callback")
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        self.assertEqual([callback], list(hook))
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    def lazy_callback():
 
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        pass
 
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    def test_lazy_hook(self):
 
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        hook = HookPoint("foo", "no docs", None, None)
 
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        hook.hook_lazy(
 
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            "bzrlib.tests.test_hooks", "TestHook.lazy_callback",
 
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            "my callback")
 
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        self.assertEqual([TestHook.lazy_callback], list(hook))
 
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    def test___repr(self):
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        # The repr should list all the callbacks, with names.
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        hook = HookPoint("foo", "no docs", None, None)
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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_deprecated(self):
 
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        self.assertEqual((branch.Branch, 'hooks'),
 
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            self.applyDeprecated(deprecated_in((2,3)),
 
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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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            self.applyDeprecated(deprecated_in((2,3)),
 
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                known_hooks_key_to_parent_and_attribute,
 
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                ('bzrlib.branch', 'Branch')))
 
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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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            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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            known_hooks.key_to_parent_and_attribute(
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            ('bzrlib.branch', 'Branch')))