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Viewing changes to bzrlib/tests/test_controldir.py

  • Committer: Aaron Bentley
  • Date: 2007-06-11 14:59:52 UTC
  • mto: (2520.5.2 bzr.mpbundle)
  • mto: This revision was merged to the branch mainline in revision 2631.
  • Revision ID: abentley@panoramicfeedback.com-20070611145952-cwt4480gphdhen6l
Get installation started

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bzrlib/tests/test_controldir.py
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# Copyright (C) 2011 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
12
 
#
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# 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 ControlDir facility.
18
 
 
19
 
For interface contract tests, see tests/per_control_dir.
20
 
"""
21
 
 
22
 
from bzrlib import (
23
 
    controldir,
24
 
    errors,
25
 
    tests,
26
 
    ui,
27
 
    )
28
 
from bzrlib.tests.scenarios import load_tests_apply_scenarios
29
 
 
30
 
 
31
 
load_tests = load_tests_apply_scenarios
32
 
 
33
 
 
34
 
class SampleComponentFormat(controldir.ControlComponentFormat):
35
 
 
36
 
    def get_format_string(self):
37
 
        return "Example component format."
38
 
 
39
 
 
40
 
class SampleExtraComponentFormat(controldir.ControlComponentFormat):
41
 
    """Extra format, no format string."""
42
 
 
43
 
 
44
 
class TestMetaComponentFormatRegistry(tests.TestCase):
45
 
 
46
 
    def setUp(self):
47
 
        super(TestMetaComponentFormatRegistry, self).setUp()
48
 
        self.registry = controldir.ControlComponentFormatRegistry()
49
 
 
50
 
    def test_register_unregister_format(self):
51
 
        format = SampleComponentFormat()
52
 
        self.registry.register(format)
53
 
        self.assertEquals(format,
54
 
            self.registry.get("Example component format."))
55
 
        self.registry.remove(format)
56
 
        self.assertRaises(KeyError, self.registry.get,
57
 
            "Example component format.")
58
 
 
59
 
    def test_get_all(self):
60
 
        format = SampleComponentFormat()
61
 
        self.assertEquals([], self.registry._get_all())
62
 
        self.registry.register(format)
63
 
        self.assertEquals([format], self.registry._get_all())
64
 
 
65
 
    def test_get_all_modules(self):
66
 
        format = SampleComponentFormat()
67
 
        self.assertEquals(set(), self.registry._get_all_modules())
68
 
        self.registry.register(format)
69
 
        self.assertEquals(
70
 
            set(["bzrlib.tests.test_controldir"]),
71
 
            self.registry._get_all_modules())
72
 
 
73
 
    def test_register_extra(self):
74
 
        format = SampleExtraComponentFormat()
75
 
        self.assertEquals([], self.registry._get_all())
76
 
        self.registry.register_extra(format)
77
 
        self.assertEquals([format], self.registry._get_all())
78
 
 
79
 
    def test_register_extra_lazy(self):
80
 
        self.assertEquals([], self.registry._get_all())
81
 
        self.registry.register_extra_lazy("bzrlib.tests.test_controldir",
82
 
            "SampleExtraComponentFormat")
83
 
        formats = self.registry._get_all()
84
 
        self.assertEquals(1, len(formats))
85
 
        self.assertIsInstance(formats[0], SampleExtraComponentFormat)
86
 
 
87
 
 
88
 
class TestControlDirFormatDeprecated(tests.TestCaseWithTransport):
89
 
    """Tests for removed registration method in the ControlDirFormat facility."""
90
 
 
91
 
    def test_register_format(self):
92
 
        self.assertRaises(errors.BzrError,
93
 
            controldir.ControlDirFormat.register_format, object())
94
 
 
95
 
 
96
 
class TestProber(tests.TestCaseWithTransport):
97
 
    """Per-prober tests."""
98
 
 
99
 
    scenarios = [
100
 
        (prober_cls.__name__, {'prober_cls': prober_cls})
101
 
        for prober_cls in controldir.ControlDirFormat._probers]
102
 
 
103
 
    def setUp(self):
104
 
        super(TestProber, self).setUp()
105
 
        self.prober = self.prober_cls()
106
 
 
107
 
    def test_probe_transport_empty(self):
108
 
        transport = self.get_transport(".")
109
 
        self.assertRaises(errors.NotBranchError,
110
 
            self.prober.probe_transport, transport)
111
 
 
112
 
    def test_known_formats(self):
113
 
        known_formats = self.prober_cls.known_formats()
114
 
        self.assertIsInstance(known_formats, set)
115
 
        for format in known_formats:
116
 
            self.assertIsInstance(format, controldir.ControlDirFormat,
117
 
                repr(format))
118
 
 
119
 
 
120
 
class NotBzrDir(controldir.ControlDir):
121
 
    """A non .bzr based control directory."""
122
 
 
123
 
    def __init__(self, transport, format):
124
 
        self._format = format
125
 
        self.root_transport = transport
126
 
        self.transport = transport.clone('.not')
127
 
 
128
 
 
129
 
class NotBzrDirFormat(controldir.ControlDirFormat):
130
 
    """A test class representing any non-.bzr based disk format."""
131
 
 
132
 
    def initialize_on_transport(self, transport):
133
 
        """Initialize a new .not dir in the base directory of a Transport."""
134
 
        transport.mkdir('.not')
135
 
        return self.open(transport)
136
 
 
137
 
    def open(self, transport):
138
 
        """Open this directory."""
139
 
        return NotBzrDir(transport, self)
140
 
 
141
 
 
142
 
class NotBzrDirProber(controldir.Prober):
143
 
 
144
 
    def probe_transport(self, transport):
145
 
        """Our format is present if the transport ends in '.not/'."""
146
 
        if transport.has('.not'):
147
 
            return NotBzrDirFormat()
148
 
 
149
 
    @classmethod
150
 
    def known_formats(cls):
151
 
        return set([NotBzrDirFormat()])
152
 
 
153
 
 
154
 
class TestNotBzrDir(tests.TestCaseWithTransport):
155
 
    """Tests for using the controldir api with a non .bzr based disk format.
156
 
 
157
 
    If/when one of these is in the core, we can let the implementation tests
158
 
    verify this works.
159
 
    """
160
 
 
161
 
    def test_create_and_find_format(self):
162
 
        # create a .notbzr dir
163
 
        format = NotBzrDirFormat()
164
 
        dir = format.initialize(self.get_url())
165
 
        self.assertIsInstance(dir, NotBzrDir)
166
 
        # now probe for it.
167
 
        controldir.ControlDirFormat.register_prober(NotBzrDirProber)
168
 
        try:
169
 
            found = controldir.ControlDirFormat.find_format(self.get_transport())
170
 
            self.assertIsInstance(found, NotBzrDirFormat)
171
 
        finally:
172
 
            controldir.ControlDirFormat.unregister_prober(NotBzrDirProber)
173
 
 
174
 
    def test_included_in_known_formats(self):
175
 
        controldir.ControlDirFormat.register_prober(NotBzrDirProber)
176
 
        self.addCleanup(controldir.ControlDirFormat.unregister_prober, NotBzrDirProber)
177
 
        formats = controldir.ControlDirFormat.known_formats()
178
 
        self.assertIsInstance(formats, set)
179
 
        for format in formats:
180
 
            if isinstance(format, NotBzrDirFormat):
181
 
                break
182
 
        else:
183
 
            self.fail("No NotBzrDirFormat in %s" % formats)
184
 
 
185
 
 
186
 
class UnsupportedControlComponentFormat(controldir.ControlComponentFormat):
187
 
 
188
 
    def is_supported(self):
189
 
        return False
190
 
 
191
 
 
192
 
class OldControlComponentFormat(controldir.ControlComponentFormat):
193
 
 
194
 
    def get_format_description(self):
195
 
        return "An old format that is slow"
196
 
 
197
 
    upgrade_recommended = True
198
 
 
199
 
 
200
 
class DefaultControlComponentFormatTests(tests.TestCase):
201
 
    """Tests for default ControlComponentFormat implementation."""
202
 
 
203
 
    def test_check_support_status_unsupported(self):
204
 
        self.assertRaises(errors.UnsupportedFormatError,
205
 
            UnsupportedControlComponentFormat().check_support_status,
206
 
            allow_unsupported=False)
207
 
        UnsupportedControlComponentFormat().check_support_status(
208
 
            allow_unsupported=True)
209
 
 
210
 
    def test_check_support_status_supported(self):
211
 
        controldir.ControlComponentFormat().check_support_status(
212
 
            allow_unsupported=False)
213
 
        controldir.ControlComponentFormat().check_support_status(
214
 
            allow_unsupported=True)
215
 
 
216
 
    def test_recommend_upgrade_current_format(self):
217
 
        stderr = tests.StringIOWrapper()
218
 
        ui.ui_factory = tests.TestUIFactory(stderr=stderr)
219
 
        format = controldir.ControlComponentFormat()
220
 
        format.check_support_status(allow_unsupported=False,
221
 
            recommend_upgrade=True)
222
 
        self.assertEquals("", stderr.getvalue())
223
 
 
224
 
    def test_recommend_upgrade_old_format(self):
225
 
        stderr = tests.StringIOWrapper()
226
 
        ui.ui_factory = tests.TestUIFactory(stderr=stderr)
227
 
        format = OldControlComponentFormat()
228
 
        format.check_support_status(allow_unsupported=False,
229
 
            recommend_upgrade=False)
230
 
        self.assertEquals("", stderr.getvalue())
231
 
        format.check_support_status(allow_unsupported=False,
232
 
            recommend_upgrade=True, basedir='apath')
233
 
        self.assertEquals(
234
 
            'An old format that is slow is deprecated and a better format '
235
 
            'is available.\nIt is recommended that you upgrade by running '
236
 
            'the command\n  bzr upgrade apath\n',
237
 
            stderr.getvalue())