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Viewing changes to bzrlib/tests/test_command.py

  • Committer: Alexander Belchenko
  • Date: 2006-07-30 16:43:12 UTC
  • mto: (1711.2.111 jam-integration)
  • mto: This revision was merged to the branch mainline in revision 1906.
  • Revision ID: bialix@ukr.net-20060730164312-b025fd3ff0cee59e
rename  gpl.txt => COPYING.txt

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# Copyright (C) 2005-2010 Canonical Ltd
 
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# Copyright (C) 2004, 2005 by Canonical Ltd
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2
#
3
3
# This program is free software; you can redistribute it and/or modify
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4
# it under the terms of the GNU General Public License as published by
12
12
#
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13
# You should have received a copy of the GNU General Public License
14
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
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
 
from cStringIO import StringIO
 
17
from bzrlib.tests import TestCase
 
18
from bzrlib.commands import display_command
18
19
import errno
19
 
import inspect
20
 
import sys
21
 
 
22
 
from bzrlib import (
23
 
    builtins,
24
 
    commands,
25
 
    config,
26
 
    errors,
27
 
    option,
28
 
    symbol_versioning,
29
 
    tests,
30
 
    )
31
 
from bzrlib.commands import display_command
32
 
from bzrlib.tests import TestSkipped
33
 
 
34
 
 
35
 
class TestCommands(tests.TestCase):
36
 
 
37
 
    def test_all_commands_have_help(self):
38
 
        commands._register_builtin_commands()
39
 
        commands_without_help = set()
40
 
        base_doc = inspect.getdoc(commands.Command)
41
 
        for cmd_name in commands.all_command_names():
42
 
            cmd = commands.get_cmd_object(cmd_name)
43
 
            cmd_help = cmd.help()
44
 
            if not cmd_help or cmd_help == base_doc:
45
 
                commands_without_help.append(cmd_name)
46
 
        self.assertLength(0, commands_without_help)
47
 
 
 
20
 
 
21
class TestCommands(TestCase):
48
22
    def test_display_command(self):
49
23
        """EPIPE message is selectively suppressed"""
50
24
        def pipe_thrower():
59
33
            raise IOError(errno.ESPIPE, "Bogus pipe error")
60
34
        self.assertRaises(IOError, other_thrower)
61
35
 
62
 
    def test_unicode_command(self):
63
 
        # This error is thrown when we can't find the command in the
64
 
        # list of available commands
65
 
        self.assertRaises(errors.BzrCommandError,
66
 
                          commands.run_bzr, [u'cmd\xb5'])
67
 
 
68
 
    def test_unicode_option(self):
69
 
        # This error is actually thrown by optparse, when it
70
 
        # can't find the given option
71
 
        import optparse
72
 
        if optparse.__version__ == "1.5.3":
73
 
            raise TestSkipped("optparse 1.5.3 can't handle unicode options")
74
 
        self.assertRaises(errors.BzrCommandError,
75
 
                          commands.run_bzr, ['log', u'--option\xb5'])
76
 
 
77
 
    @staticmethod
78
 
    def get_command(options):
79
 
        class cmd_foo(commands.Command):
80
 
            __doc__ = 'Bar'
81
 
 
82
 
            takes_options = options
83
 
 
84
 
        return cmd_foo()
85
 
 
86
 
    def test_help_hidden(self):
87
 
        c = self.get_command([option.Option('foo', hidden=True)])
88
 
        self.assertNotContainsRe(c.get_help_text(), '--foo')
89
 
 
90
 
    def test_help_not_hidden(self):
91
 
        c = self.get_command([option.Option('foo', hidden=False)])
92
 
        self.assertContainsRe(c.get_help_text(), '--foo')
93
 
 
94
 
 
95
 
class TestGetAlias(tests.TestCase):
96
 
 
97
 
    def _get_config(self, config_text):
98
 
        my_config = config.GlobalConfig.from_string(config_text)
99
 
        return my_config
100
 
 
101
 
    def test_simple(self):
102
 
        my_config = self._get_config("[ALIASES]\n"
103
 
            "diff=diff -r -2..-1\n")
104
 
        self.assertEqual([u'diff', u'-r', u'-2..-1'],
105
 
            commands.get_alias("diff", config=my_config))
106
 
 
107
 
    def test_single_quotes(self):
108
 
        my_config = self._get_config("[ALIASES]\n"
109
 
            "diff=diff -r -2..-1 --diff-options "
110
 
            "'--strip-trailing-cr -wp'\n")
111
 
        self.assertEqual([u'diff', u'-r', u'-2..-1', u'--diff-options',
112
 
                          u'--strip-trailing-cr -wp'],
113
 
                          commands.get_alias("diff", config=my_config))
114
 
 
115
 
    def test_double_quotes(self):
116
 
        my_config = self._get_config("[ALIASES]\n"
117
 
            "diff=diff -r -2..-1 --diff-options "
118
 
            "\"--strip-trailing-cr -wp\"\n")
119
 
        self.assertEqual([u'diff', u'-r', u'-2..-1', u'--diff-options',
120
 
                          u'--strip-trailing-cr -wp'],
121
 
                          commands.get_alias("diff", config=my_config))
122
 
 
123
 
    def test_unicode(self):
124
 
        my_config = self._get_config("[ALIASES]\n"
125
 
            u'iam=whoami "Erik B\u00e5gfors <erik@bagfors.nu>"\n')
126
 
        self.assertEqual([u'whoami', u'Erik B\u00e5gfors <erik@bagfors.nu>'],
127
 
                          commands.get_alias("iam", config=my_config))
128
 
 
129
 
 
130
 
class TestSeeAlso(tests.TestCase):
131
 
    """Tests for the see also functional of Command."""
132
 
 
133
 
    @staticmethod
134
 
    def _get_command_with_see_also(see_also):
135
 
        class ACommand(commands.Command):
136
 
            __doc__ = """A sample command."""
137
 
            _see_also = see_also
138
 
        return ACommand()
139
 
 
140
 
    def test_default_subclass_no_see_also(self):
141
 
        command = self._get_command_with_see_also([])
142
 
        self.assertEqual([], command.get_see_also())
143
 
 
144
 
    def test__see_also(self):
145
 
        """When _see_also is defined, it sets the result of get_see_also()."""
146
 
        command = self._get_command_with_see_also(['bar', 'foo'])
147
 
        self.assertEqual(['bar', 'foo'], command.get_see_also())
148
 
 
149
 
    def test_deduplication(self):
150
 
        """Duplicates in _see_also are stripped out."""
151
 
        command = self._get_command_with_see_also(['foo', 'foo'])
152
 
        self.assertEqual(['foo'], command.get_see_also())
153
 
 
154
 
    def test_sorted(self):
155
 
        """_see_also is sorted by get_see_also."""
156
 
        command = self._get_command_with_see_also(['foo', 'bar'])
157
 
        self.assertEqual(['bar', 'foo'], command.get_see_also())
158
 
 
159
 
    def test_additional_terms(self):
160
 
        """Additional terms can be supplied and are deduped and sorted."""
161
 
        command = self._get_command_with_see_also(['foo', 'bar'])
162
 
        self.assertEqual(['bar', 'foo', 'gam'],
163
 
            command.get_see_also(['gam', 'bar', 'gam']))
164
 
 
165
 
 
166
 
class TestRegisterLazy(tests.TestCase):
167
 
 
168
 
    def setUp(self):
169
 
        tests.TestCase.setUp(self)
170
 
        import bzrlib.tests.fake_command
171
 
        del sys.modules['bzrlib.tests.fake_command']
172
 
        global lazy_command_imported
173
 
        lazy_command_imported = False
174
 
        commands.install_bzr_command_hooks()
175
 
 
176
 
    @staticmethod
177
 
    def remove_fake():
178
 
        commands.plugin_cmds.remove('fake')
179
 
 
180
 
    def assertIsFakeCommand(self, cmd_obj):
181
 
        from bzrlib.tests.fake_command import cmd_fake
182
 
        self.assertIsInstance(cmd_obj, cmd_fake)
183
 
 
184
 
    def test_register_lazy(self):
185
 
        """Ensure lazy registration works"""
186
 
        commands.plugin_cmds.register_lazy('cmd_fake', [],
187
 
                                           'bzrlib.tests.fake_command')
188
 
        self.addCleanup(self.remove_fake)
189
 
        self.assertFalse(lazy_command_imported)
190
 
        fake_instance = commands.get_cmd_object('fake')
191
 
        self.assertTrue(lazy_command_imported)
192
 
        self.assertIsFakeCommand(fake_instance)
193
 
 
194
 
    def test_get_unrelated_does_not_import(self):
195
 
        commands.plugin_cmds.register_lazy('cmd_fake', [],
196
 
                                           'bzrlib.tests.fake_command')
197
 
        self.addCleanup(self.remove_fake)
198
 
        commands.get_cmd_object('status')
199
 
        self.assertFalse(lazy_command_imported)
200
 
 
201
 
    def test_aliases(self):
202
 
        commands.plugin_cmds.register_lazy('cmd_fake', ['fake_alias'],
203
 
                                           'bzrlib.tests.fake_command')
204
 
        self.addCleanup(self.remove_fake)
205
 
        fake_instance = commands.get_cmd_object('fake_alias')
206
 
        self.assertIsFakeCommand(fake_instance)
207
 
 
208
 
 
209
 
class TestExtendCommandHook(tests.TestCase):
210
 
 
211
 
    def test_fires_on_get_cmd_object(self):
212
 
        # The extend_command(cmd) hook fires when commands are delivered to the
213
 
        # ui, not simply at registration (because lazy registered plugin
214
 
        # commands are registered).
215
 
        # when they are simply created.
216
 
        hook_calls = []
217
 
        commands.install_bzr_command_hooks()
218
 
        commands.Command.hooks.install_named_hook(
219
 
            "extend_command", hook_calls.append, None)
220
 
        # create a command, should not fire
221
 
        class cmd_test_extend_command_hook(commands.Command):
222
 
            __doc__ = """A sample command."""
223
 
        self.assertEqual([], hook_calls)
224
 
        # -- as a builtin
225
 
        # register the command class, should not fire
226
 
        try:
227
 
            commands.builtin_command_registry.register(cmd_test_extend_command_hook)
228
 
            self.assertEqual([], hook_calls)
229
 
            # and ask for the object, should fire
230
 
            cmd = commands.get_cmd_object('test-extend-command-hook')
231
 
            # For resilience - to ensure all code paths hit it - we
232
 
            # fire on everything returned in the 'cmd_dict', which is currently
233
 
            # all known commands, so assert that cmd is in hook_calls
234
 
            self.assertSubset([cmd], hook_calls)
235
 
            del hook_calls[:]
236
 
        finally:
237
 
            commands.builtin_command_registry.remove('test-extend-command-hook')
238
 
        # -- as a plugin lazy registration
239
 
        try:
240
 
            # register the command class, should not fire
241
 
            commands.plugin_cmds.register_lazy('cmd_fake', [],
242
 
                                               'bzrlib.tests.fake_command')
243
 
            self.assertEqual([], hook_calls)
244
 
            # and ask for the object, should fire
245
 
            cmd = commands.get_cmd_object('fake')
246
 
            self.assertEqual([cmd], hook_calls)
247
 
        finally:
248
 
            commands.plugin_cmds.remove('fake')
249
 
 
250
 
 
251
 
class TestGetCommandHook(tests.TestCase):
252
 
 
253
 
    def test_fires_on_get_cmd_object(self):
254
 
        # The get_command(cmd) hook fires when commands are delivered to the
255
 
        # ui.
256
 
        commands.install_bzr_command_hooks()
257
 
        hook_calls = []
258
 
        class ACommand(commands.Command):
259
 
            __doc__ = """A sample command."""
260
 
        def get_cmd(cmd_or_None, cmd_name):
261
 
            hook_calls.append(('called', cmd_or_None, cmd_name))
262
 
            if cmd_name in ('foo', 'info'):
263
 
                return ACommand()
264
 
        commands.Command.hooks.install_named_hook(
265
 
            "get_command", get_cmd, None)
266
 
        # create a command directly, should not fire
267
 
        cmd = ACommand()
268
 
        self.assertEqual([], hook_calls)
269
 
        # ask by name, should fire and give us our command
270
 
        cmd = commands.get_cmd_object('foo')
271
 
        self.assertEqual([('called', None, 'foo')], hook_calls)
272
 
        self.assertIsInstance(cmd, ACommand)
273
 
        del hook_calls[:]
274
 
        # ask by a name that is supplied by a builtin - the hook should still
275
 
        # fire and we still get our object, but we should see the builtin
276
 
        # passed to the hook.
277
 
        cmd = commands.get_cmd_object('info')
278
 
        self.assertIsInstance(cmd, ACommand)
279
 
        self.assertEqual(1, len(hook_calls))
280
 
        self.assertEqual('info', hook_calls[0][2])
281
 
        self.assertIsInstance(hook_calls[0][1], builtins.cmd_info)
282
 
 
283
 
 
284
 
class TestGetMissingCommandHook(tests.TestCase):
285
 
 
286
 
    def hook_missing(self):
287
 
        """Hook get_missing_command for testing."""
288
 
        self.hook_calls = []
289
 
        class ACommand(commands.Command):
290
 
            __doc__ = """A sample command."""
291
 
        def get_missing_cmd(cmd_name):
292
 
            self.hook_calls.append(('called', cmd_name))
293
 
            if cmd_name in ('foo', 'info'):
294
 
                return ACommand()
295
 
        commands.Command.hooks.install_named_hook(
296
 
            "get_missing_command", get_missing_cmd, None)
297
 
        self.ACommand = ACommand
298
 
 
299
 
    def test_fires_on_get_cmd_object(self):
300
 
        # The get_missing_command(cmd) hook fires when commands are delivered to the
301
 
        # ui.
302
 
        self.hook_missing()
303
 
        # create a command directly, should not fire
304
 
        self.cmd = self.ACommand()
305
 
        self.assertEqual([], self.hook_calls)
306
 
        # ask by name, should fire and give us our command
307
 
        cmd = commands.get_cmd_object('foo')
308
 
        self.assertEqual([('called', 'foo')], self.hook_calls)
309
 
        self.assertIsInstance(cmd, self.ACommand)
310
 
        del self.hook_calls[:]
311
 
        # ask by a name that is supplied by a builtin - the hook should not
312
 
        # fire and we still get our object.
313
 
        commands.install_bzr_command_hooks()
314
 
        cmd = commands.get_cmd_object('info')
315
 
        self.assertNotEqual(None, cmd)
316
 
        self.assertEqual(0, len(self.hook_calls))
317
 
 
318
 
    def test_skipped_on_HelpCommandIndex_get_topics(self):
319
 
        # The get_missing_command(cmd_name) hook is not fired when
320
 
        # looking up help topics.
321
 
        self.hook_missing()
322
 
        topic = commands.HelpCommandIndex()
323
 
        topics = topic.get_topics('foo')
324
 
        self.assertEqual([], self.hook_calls)
325
 
 
326
 
 
327
 
class TestListCommandHook(tests.TestCase):
328
 
 
329
 
    def test_fires_on_all_command_names(self):
330
 
        # The list_commands() hook fires when all_command_names() is invoked.
331
 
        hook_calls = []
332
 
        commands.install_bzr_command_hooks()
333
 
        def list_my_commands(cmd_names):
334
 
            hook_calls.append('called')
335
 
            cmd_names.update(['foo', 'bar'])
336
 
            return cmd_names
337
 
        commands.Command.hooks.install_named_hook(
338
 
            "list_commands", list_my_commands, None)
339
 
        # Get a command, which should not trigger the hook.
340
 
        cmd = commands.get_cmd_object('info')
341
 
        self.assertEqual([], hook_calls)
342
 
        # Get all command classes (for docs and shell completion).
343
 
        cmds = list(commands.all_command_names())
344
 
        self.assertEqual(['called'], hook_calls)
345
 
        self.assertSubset(['foo', 'bar'], cmds)
346
 
 
347
 
 
348
 
class TestDeprecations(tests.TestCase):
349
 
 
350
 
    def test_shlex_split_unicode_deprecation(self):
351
 
        res = self.applyDeprecated(
352
 
                symbol_versioning.deprecated_in((2, 2, 0)),
353
 
                commands.shlex_split_unicode, 'whatever')