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Viewing changes to breezy/tests/test_hooks.py

  • Committer: Jelmer Vernooij
  • Date: 2017-05-21 18:10:28 UTC
  • mto: This revision was merged to the branch mainline in revision 6623.
  • Revision ID: jelmer@jelmer.uk-20170521181028-zn04pdfw0od9hfj3
Rename brzlib => breezy.

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breezy/tests/test_hooks.py
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"""Tests for the core Hooks logic."""
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from brzlib import (
 
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from breezy import (
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    branch,
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    errors,
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    hooks as _mod_hooks,
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    pyutils,
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    tests,
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    )
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from brzlib.hooks import (
 
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from breezy.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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    )
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from brzlib.symbol_versioning import (
 
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from breezy.symbol_versioning import (
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    deprecated_in,
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    )
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        """docs() should return something reasonable about the Hooks."""
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        class MyHooks(Hooks):
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            pass
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        hooks = MyHooks("brzlib.tests.test_hooks", "some_hooks")
 
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        hooks = MyHooks("breezy.tests.test_hooks", "some_hooks")
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        hooks['legacy'] = []
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        hooks.add_hook('post_tip_change',
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            "Invoked after the tip of a branch changes. Called with "
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            "signal that a tip change is not permitted.\n", hooks.docs())
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    def test_install_named_hook_raises_unknown_hook(self):
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        hooks = Hooks("brzlib.tests.test_hooks", "some_hooks")
 
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        hooks = Hooks("breezy.tests.test_hooks", "some_hooks")
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        self.assertRaises(errors.UnknownHook, hooks.install_named_hook, 'silly',
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                          None, "")
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    def test_install_named_hook_appends_known_hook(self):
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        hooks = Hooks("brzlib.tests.test_hooks", "some_hooks")
 
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        hooks = Hooks("breezy.tests.test_hooks", "some_hooks")
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        hooks['set_rh'] = []
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        hooks.install_named_hook('set_rh', None, "demo")
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        self.assertEqual(hooks['set_rh'], [None])
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    def test_install_named_hook_and_retrieve_name(self):
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        hooks = Hooks("brzlib.tests.test_hooks", "somehooks")
 
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        hooks = Hooks("breezy.tests.test_hooks", "somehooks")
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        hooks['set_rh'] = []
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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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    def test_uninstall_named_hook(self):
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        hooks = Hooks("brzlib.tests.test_hooks", "some_hooks")
 
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        hooks = Hooks("breezy.tests.test_hooks", "some_hooks")
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        hooks.add_hook('set_rh', "Set revision history", (2, 0))
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        hooks.install_named_hook('set_rh', None, "demo")
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        self.assertEqual(1, len(hooks["set_rh"]))
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    def test_uninstall_multiple_named_hooks(self):
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        # Multiple callbacks with the same label all get removed
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        hooks = Hooks("brzlib.tests.test_hooks", "some_hooks")
 
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        hooks = Hooks("breezy.tests.test_hooks", "some_hooks")
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        hooks.add_hook('set_rh', "Set revision history", (2, 0))
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        hooks.install_named_hook('set_rh', 1, "demo")
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        hooks.install_named_hook('set_rh', 2, "demo")
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        self.assertEqual(1, len(hooks["set_rh"]))
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    def test_uninstall_named_hook_unknown_callable(self):
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        hooks = Hooks("brzlib.tests.test_hooks", "some_hooks")
 
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        hooks = Hooks("breezy.tests.test_hooks", "some_hooks")
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        hooks.add_hook('set_rh', "Set revision hsitory", (2, 0))
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        self.assertRaises(KeyError, hooks.uninstall_named_hook, "set_rh",
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            "demo")
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    def test_uninstall_named_hook_raises_unknown_hook(self):
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        hooks = Hooks("brzlib.tests.test_hooks", "some_hooks")
 
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        hooks = Hooks("breezy.tests.test_hooks", "some_hooks")
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        self.assertRaises(errors.UnknownHook, hooks.uninstall_named_hook,
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            'silly', "")
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    def test_uninstall_named_hook_old_style(self):
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        hooks = Hooks("brzlib.tests.test_hooks", "some_hooks")
 
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        hooks = Hooks("breezy.tests.test_hooks", "some_hooks")
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        hooks["set_rh"] = []
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        hooks.install_named_hook('set_rh', None, "demo")
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        self.assertRaises(errors.UnsupportedOperation,
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            hooks.uninstall_named_hook, "set_rh", "demo")
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    hooks = Hooks("brzlib.tests.test_hooks", "TestHooks.hooks")
 
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    hooks = Hooks("breezy.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 brzlib.hooks.
 
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        # added to the _lazy_hooks dictionary in breezy.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('brzlib.tests.test_hooks',
 
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        install_lazy_named_hook('breezy.tests.test_hooks',
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            'TestHooks.hooks', 'set_rh', set_rh, "demo")
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        set_rh_lazy_hooks = _mod_hooks._lazy_hooks[
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            ('brzlib.tests.test_hooks', 'TestHooks.hooks', 'set_rh')]
 
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            ('breezy.tests.test_hooks', 'TestHooks.hooks', 'set_rh')]
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        self.assertEqual(1, len(set_rh_lazy_hooks))
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        self.assertEqual(set_rh, set_rh_lazy_hooks[0][0].get_obj())
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        self.assertEqual("demo", set_rh_lazy_hooks[0][1])
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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("brzlib.tests.hooks", "some_hooks")
 
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        hooks = Hooks("breezy.tests.hooks", "some_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', 'brzlib.tests.test_hooks',
 
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        hooks.install_named_hook_lazy('set_rh', 'breezy.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("brzlib.tests.hooks", "some_hooks")
 
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        hooks = Hooks("breezy.tests.hooks", "some_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', 'brzlib.tests.test_hooks', 'TestHooks.set_rh',
 
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            'set_rh', 'breezy.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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    def test___init__(self):
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        doc = ("Invoked after changing the tip of a branch object. Called with"
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            "a brzlib.branch.PostChangeBranchTipParams object")
 
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            "a breezy.branch.PostChangeBranchTipParams object")
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        hook = HookPoint("post_tip_change", doc, (0, 15), None)
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        self.assertEqual(doc, hook.__doc__)
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        self.assertEqual("post_tip_change", hook.name)
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    def test_docs(self):
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        doc = ("Invoked after changing the tip of a branch object. Called with"
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            " a brzlib.branch.PostChangeBranchTipParams object")
 
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            " a breezy.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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            "Introduced in: 0.15\n"
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            "\n"
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            "Invoked after changing the tip of a branch object. Called with a\n"
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            "brzlib.branch.PostChangeBranchTipParams object\n", hook.docs())
 
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            "breezy.branch.PostChangeBranchTipParams object\n", hook.docs())
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    def test_hook(self):
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        hook = HookPoint("foo", "no docs", None, None)
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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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            "brzlib.tests.test_hooks", "TestHook.lazy_callback",
 
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            "breezy.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_uninstall(self):
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        hook = HookPoint("foo", "no docs", None, None)
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        hook.hook_lazy(
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            "brzlib.tests.test_hooks", "TestHook.lazy_callback",
 
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            "breezy.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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        hook.uninstall("my callback")
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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(('brzlib.branch', 'Branch.hooks')))
 
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            known_hooks_key_to_object(('breezy.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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            ('brzlib.branch', 'Branch.hooks')))
 
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            ('breezy.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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            ('brzlib.branch', 'Branch')))
 
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            ('breezy.branch', 'Branch')))