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Viewing changes to bzrlib/tests/test_hooks.py

  • Committer: Martin Pool
  • Date: 2010-07-02 07:29:40 UTC
  • mfrom: (129.1.7 packaging-karmic)
  • Revision ID: mbp@sourcefrog.net-20100702072940-hpzq5elg8wjve8rh
http://bugs.debian.org/452024
http://bugs.debian.org/464688
http://bugs.debian.org/523595
http://bugs.debian.org/526233
http://bugs.debian.org/537708
http://bugs.debian.org/555336
http://bugs.debian.org/555343
https://launchpad.net/bugs/249452
https://launchpad.net/bugs/385074
* PPA rebuild.
* PPA rebuild for Karmic.
* PPA rebuild for Jaunty.
* PPA rebuild for Hardy.
* From postinst, actually remove the example bash completion scripts.
  (LP: #249452)
* New upstream release.
* New upstream release.
* New upstream release.
* Revert change to Build-depends: Dapper does not have python-central.
  Should be python-support..
* Target ppa..
* Target ppa..
* Target ppa..
* Target ppa..
* New upstream release.
* Switch to dpkg-source 3.0 (quilt) format.
* Bump standards version to 3.8.4.
* Remove embedded copy of python-configobj. Closes: #555336
* Remove embedded copy of python-elementtree. Closes: #555343
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* Change section from 'Devel' to 'Vcs'..
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* debian/control: Fix obsolete-relation-form-in-source
  lintian warning. 
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Split out docs into bzr-doc package.
* New upstream release.
* Added John Francesco Ferlito to Uploaders.
* Fix install path to quick-reference guide
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to doc paths changing
* New upstream release.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to doc paths changing
* New upstream release.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to doc paths changing
* New upstream release.
* Fix FTBFS due to path changes, again, again.
* Fix FTBFS due to path changes, again.
* Fix FTBFS due to path changes.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Bump standards version to 3.8.3.
* Remove unused patch system.
* New upstream release.
* New upstream release.
* New upstream release.
* Fix copy and paste tab error in .install file
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
 + Fixes compatibility with Python 2.4. Closes: #537708
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream version.
* Bump standards version to 3.8.2.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Add python-pyrex to build-deps to ensure C extensions are always build.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Split documentation into bzr-doc package. ((LP: #385074)
* Multiple packaging changes to make us more linitan clean.
* New upstream release.
* Split documentation into bzr-doc package. ((LP: #385074)
* Multiple packaging changes to make us more linitan clean.
* New upstream release.
* Split documentation into bzr-doc package. ((LP: #385074)
* Multiple packaging changes to make us more linitan clean.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Fix API compatibility version. (Closes: #526233)
* New upstream release.
  + Fixes default format for upgrade command. (Closes: #464688)
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Add missing dependency on zlib development library. (Closes:
  #523595)
* Add zlib build-depends.
* Add zlib build-depends.
* Add zlib build-depends.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Move to section vcs.
* Bump standards version to 3.8.1.
* New upstream release.
* Remove temporary patch for missing .c files from distribution
* New upstream release.
* Remove temporary patch for missing .c files from distribution
* New upstream release.
* Remove temporary patch for missing .c files from distribution
* Add temporary patch for missing .c files from distribution
* Add temporary patch for missing .c files from distribution
* Add temporary patch for missing .c files from distribution
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Recommend ca-certificates. (Closes: #452024)
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Update watch file. bazaar now uses launchpad to host its sources.
* Remove patch for inventory root revision copy, applied upstream.
* New upstream release.
* New upstream release.
* New upstream release
* Force removal of files installed in error to /etc/bash_completion.d/
  (LP: #249452)
* New upstream release.
* New upstream release
* New upstream release.
* Bump standards version.
* Include patch for inventory root revision copy, required for bzr-svn.
* New upstream release.
* Remove unused lintian overrides.
* Correct the package version not to be native.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* New upstream release.
* Final 1.5 release.
* New upstream release.
* New upstream release.
* New upstream release.
* Add myself as a co-maintainer.
* Add a Dm-Upload-Allowed: yes header.
* New upstream bugfix release.
* New upstream release.
* Final 1.3 release.
* New upstream release.
* First release candidate of the upcoming 1.3 release.
* Rebuild to fix the problem caused by a build with a broken python-central.
* New upstream release.
* Rebuild for dapper PPA.
* Apply Lamont's patches to fix build-dependencies on dapper.
  (See: https://bugs.launchpad.net/bzr/+bug/189915)

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Lines of Context:
bzrlib/tests/test_hooks.py
 
1
# Copyright (C) 2007-2010 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
"""Tests for the core Hooks logic."""
 
18
 
 
19
from bzrlib import (
 
20
    branch,
 
21
    errors,
 
22
    tests,
 
23
    )
 
24
from bzrlib.hooks import (
 
25
    HookPoint,
 
26
    Hooks,
 
27
    known_hooks,
 
28
    known_hooks_key_to_object,
 
29
    known_hooks_key_to_parent_and_attribute,
 
30
    )
 
31
 
 
32
 
 
33
class TestHooks(tests.TestCase):
 
34
 
 
35
    def test_create_hook_first(self):
 
36
        hooks = Hooks()
 
37
        doc = ("Invoked after changing the tip of a branch object. Called with"
 
38
            "a bzrlib.branch.PostChangeBranchTipParams object")
 
39
        hook = HookPoint("post_tip_change", doc, (0, 15), None)
 
40
        hooks.create_hook(hook)
 
41
        self.assertEqual(hook, hooks['post_tip_change'])
 
42
 
 
43
    def test_create_hook_name_collision_errors(self):
 
44
        hooks = Hooks()
 
45
        doc = ("Invoked after changing the tip of a branch object. Called with"
 
46
            "a bzrlib.branch.PostChangeBranchTipParams object")
 
47
        hook = HookPoint("post_tip_change", doc, (0, 15), None)
 
48
        hook2 = HookPoint("post_tip_change", None, None, None)
 
49
        hooks.create_hook(hook)
 
50
        self.assertRaises(errors.DuplicateKey, hooks.create_hook, hook2)
 
51
        self.assertEqual(hook, hooks['post_tip_change'])
 
52
 
 
53
    def test_docs(self):
 
54
        """docs() should return something reasonable about the Hooks."""
 
55
        class MyHooks(Hooks):
 
56
            pass
 
57
        hooks = MyHooks()
 
58
        hooks['legacy'] = []
 
59
        hook1 = HookPoint('post_tip_change',
 
60
            "Invoked after the tip of a branch changes. Called with "
 
61
            "a ChangeBranchTipParams object.", (1, 4), None)
 
62
        hook2 = HookPoint('pre_tip_change',
 
63
            "Invoked before the tip of a branch changes. Called with "
 
64
            "a ChangeBranchTipParams object. Hooks should raise "
 
65
            "TipChangeRejected to signal that a tip change is not permitted.",
 
66
            (1, 6), None)
 
67
        hooks.create_hook(hook1)
 
68
        hooks.create_hook(hook2)
 
69
        self.assertEqualDiff(
 
70
            "MyHooks\n"
 
71
            "-------\n"
 
72
            "\n"
 
73
            "legacy\n"
 
74
            "~~~~~~\n"
 
75
            "\n"
 
76
            "An old-style hook. For documentation see the __init__ method of 'MyHooks'\n"
 
77
            "\n"
 
78
            "post_tip_change\n"
 
79
            "~~~~~~~~~~~~~~~\n"
 
80
            "\n"
 
81
            "Introduced in: 1.4\n"
 
82
            "\n"
 
83
            "Invoked after the tip of a branch changes. Called with a\n"
 
84
            "ChangeBranchTipParams object.\n"
 
85
            "\n"
 
86
            "pre_tip_change\n"
 
87
            "~~~~~~~~~~~~~~\n"
 
88
            "\n"
 
89
            "Introduced in: 1.6\n"
 
90
            "\n"
 
91
            "Invoked before the tip of a branch changes. Called with a\n"
 
92
            "ChangeBranchTipParams object. Hooks should raise TipChangeRejected to\n"
 
93
            "signal that a tip change is not permitted.\n", hooks.docs())
 
94
 
 
95
    def test_install_named_hook_raises_unknown_hook(self):
 
96
        hooks = Hooks()
 
97
        self.assertRaises(errors.UnknownHook, hooks.install_named_hook, 'silly',
 
98
                          None, "")
 
99
 
 
100
    def test_install_named_hook_appends_known_hook(self):
 
101
        hooks = Hooks()
 
102
        hooks['set_rh'] = []
 
103
        hooks.install_named_hook('set_rh', None, "demo")
 
104
        self.assertEqual(hooks['set_rh'], [None])
 
105
 
 
106
    def test_install_named_hook_and_retrieve_name(self):
 
107
        hooks = Hooks()
 
108
        hooks['set_rh'] = []
 
109
        hooks.install_named_hook('set_rh', None, "demo")
 
110
        self.assertEqual("demo", hooks.get_hook_name(None))
 
111
 
 
112
 
 
113
class TestHook(tests.TestCase):
 
114
 
 
115
    def test___init__(self):
 
116
        doc = ("Invoked after changing the tip of a branch object. Called with"
 
117
            "a bzrlib.branch.PostChangeBranchTipParams object")
 
118
        hook = HookPoint("post_tip_change", doc, (0, 15), None)
 
119
        self.assertEqual(doc, hook.__doc__)
 
120
        self.assertEqual("post_tip_change", hook.name)
 
121
        self.assertEqual((0, 15), hook.introduced)
 
122
        self.assertEqual(None, hook.deprecated)
 
123
        self.assertEqual([], list(hook))
 
124
 
 
125
    def test_docs(self):
 
126
        doc = ("Invoked after changing the tip of a branch object. Called with"
 
127
            " a bzrlib.branch.PostChangeBranchTipParams object")
 
128
        hook = HookPoint("post_tip_change", doc, (0, 15), None)
 
129
        self.assertEqual("post_tip_change\n"
 
130
            "~~~~~~~~~~~~~~~\n"
 
131
            "\n"
 
132
            "Introduced in: 0.15\n"
 
133
            "\n"
 
134
            "Invoked after changing the tip of a branch object. Called with a\n"
 
135
            "bzrlib.branch.PostChangeBranchTipParams object\n", hook.docs())
 
136
 
 
137
    def test_hook(self):
 
138
        hook = HookPoint("foo", "no docs", None, None)
 
139
        def callback():
 
140
            pass
 
141
        hook.hook(callback, "my callback")
 
142
        self.assertEqual([callback], list(hook))
 
143
 
 
144
    def test___repr(self):
 
145
        # The repr should list all the callbacks, with names.
 
146
        hook = HookPoint("foo", "no docs", None, None)
 
147
        def callback():
 
148
            pass
 
149
        hook.hook(callback, "my callback")
 
150
        callback_repr = repr(callback)
 
151
        self.assertEqual(
 
152
            '<HookPoint(foo), callbacks=[%s(my callback)]>' %
 
153
            callback_repr, repr(hook))
 
154
 
 
155
 
 
156
class TestHookRegistry(tests.TestCase):
 
157
 
 
158
    def test_items_are_reasonable_keys(self):
 
159
        # All the items in the known_hooks registry need to map from
 
160
        # (module_name, member_name) tuples to the callable used to get an
 
161
        # empty Hooks for that attribute. This is used to support the test
 
162
        # suite which needs to generate empty hooks (and HookPoints) to ensure
 
163
        # isolation and prevent tests failing spuriously.
 
164
        for key, factory in known_hooks.items():
 
165
            self.assertTrue(callable(factory),
 
166
                "The factory(%r) for %r is not callable" % (factory, key))
 
167
            obj = known_hooks_key_to_object(key)
 
168
            self.assertIsInstance(obj, Hooks)
 
169
            new_hooks = factory()
 
170
            self.assertIsInstance(obj, Hooks)
 
171
            self.assertEqual(type(obj), type(new_hooks))
 
172
            self.assertEqual("No hook name", new_hooks.get_hook_name(None))
 
173
 
 
174
    def test_known_hooks_key_to_object(self):
 
175
        self.assertIs(branch.Branch.hooks,
 
176
            known_hooks_key_to_object(('bzrlib.branch', 'Branch.hooks')))
 
177
 
 
178
    def test_known_hooks_key_to_parent_and_attribute(self):
 
179
        self.assertEqual((branch.Branch, 'hooks'),
 
180
            known_hooks_key_to_parent_and_attribute(
 
181
            ('bzrlib.branch', 'Branch.hooks')))
 
182
        self.assertEqual((branch, 'Branch'),
 
183
            known_hooks_key_to_parent_and_attribute(
 
184
            ('bzrlib.branch', 'Branch')))