17
17
"""Unit tests for the bzrlib.help module."""
19
21
from bzrlib import (
30
class TestHelp(tests.TestCase):
33
tests.TestCase.setUp(self)
34
commands.install_bzr_command_hooks()
33
from bzrlib.tests.test_i18n import ZzzTranslations
37
37
class TestCommandHelp(tests.TestCase):
38
38
"""Tests for help on commands."""
40
def assertCmdHelp(self, expected, cmd):
41
self.assertEqualDiff(textwrap.dedent(expected), cmd.get_help_text())
40
43
def test_command_help_includes_see_also(self):
41
44
class cmd_WithSeeAlso(commands.Command):
42
45
__doc__ = """A sample command."""
43
46
_see_also = ['foo', 'bar']
44
cmd = cmd_WithSeeAlso()
45
helptext = cmd.get_help_text()
48
' -v, --verbose Display more information.\n'
49
' -q, --quiet Only display errors and warnings.\n'
50
' -h, --help Show help message.\n'
52
'See also: bar, foo\n')
47
self.assertCmdHelp('''\
48
Purpose: A sample command.
49
Usage: bzr WithSeeAlso
52
--usage Show usage message and options.
53
-q, --quiet Only display errors and warnings.
54
-v, --verbose Display more information.
55
-h, --help Show help message.
54
61
def test_get_help_text(self):
55
62
"""Commands have a get_help_text method which returns their help."""
56
63
class cmd_Demo(commands.Command):
57
64
__doc__ = """A sample command."""
65
self.assertCmdHelp('''\
66
Purpose: A sample command.
70
--usage Show usage message and options.
71
-q, --quiet Only display errors and warnings.
72
-v, --verbose Display more information.
73
-h, --help Show help message.
59
78
helptext = cmd.get_help_text()
60
79
self.assertStartsWith(helptext,
121
140
helptext = cmd.get_help_text()
124
'Purpose: A sample command.\n'
128
' --usage Show usage message and options.\n'
129
' -v, --verbose Display more information.\n'
130
' -q, --quiet Only display errors and warnings.\n'
131
' -h, --help Show help message.\n'
142
' A code block follows.\n'
144
' bzr Demo something\n'
141
self.assertEqualDiff('''\
142
Purpose: A sample command.
146
--usage Show usage message and options.
147
-q, --quiet Only display errors and warnings.
148
-v, --verbose Display more information.
149
-h, --help Show help message.
160
A code block follows.
146
166
helptext = cmd.get_help_text(plain=False)
147
self.assertEquals(helptext,
148
':Purpose: A sample command.\n'
152
' --usage Show usage message and options.\n'
153
' -v, --verbose Display more information.\n'
154
' -q, --quiet Only display errors and warnings.\n'
155
' -h, --help Show help message.\n'
166
' A code block follows.\n'
170
' bzr Demo something\n'
167
self.assertEqualDiff('''\
168
:Purpose: A sample command.
172
--usage Show usage message and options.
173
-q, --quiet Only display errors and warnings.
174
-v, --verbose Display more information.
175
-h, --help Show help message.
186
A code block follows.
173
195
def test_concise_help_text(self):
174
196
"""Concise help text excludes the descriptive sections."""
186
208
helptext = cmd.get_help_text()
187
self.assertEqualDiff(
189
'Purpose: A sample command.\n'
193
' --usage Show usage message and options.\n'
194
' -v, --verbose Display more information.\n'
195
' -q, --quiet Only display errors and warnings.\n'
196
' -h, --help Show help message.\n'
209
self.assertEqualDiff('''\
210
Purpose: A sample command.
214
--usage Show usage message and options.
215
-q, --quiet Only display errors and warnings.
216
-v, --verbose Display more information.
217
-h, --help Show help message.
206
229
helptext = cmd.get_help_text(verbose=False)
207
self.assertEquals(helptext,
208
'Purpose: A sample command.\n'
212
' --usage Show usage message and options.\n'
213
' -v, --verbose Display more information.\n'
214
' -q, --quiet Only display errors and warnings.\n'
215
' -h, --help Show help message.\n'
217
'See bzr help Demo for more details and examples.\n'
220
def test_help_custom_section_ordering(self):
221
"""Custom descriptive sections should remain in the order given."""
230
self.assertEqualDiff('''\
231
Purpose: A sample command.
235
--usage Show usage message and options.
236
-q, --quiet Only display errors and warnings.
237
-v, --verbose Display more information.
238
-h, --help Show help message.
240
See bzr help Demo for more details and examples.
245
def test_help_custom_section_ordering(self):
246
"""Custom descriptive sections should remain in the order given."""
247
class cmd_Demo(commands.Command):
254
Interesting stuff about formats.
262
Clever things to keep in mind.
265
helptext = cmd.get_help_text()
266
self.assertEqualDiff('''\
267
Purpose: A sample command.
271
--usage Show usage message and options.
272
-q, --quiet Only display errors and warnings.
273
-v, --verbose Display more information.
274
-h, --help Show help message.
280
Interesting stuff about formats.
288
Clever things to keep in mind.
293
def test_help_text_custom_usage(self):
294
"""Help text may contain a custom usage section."""
295
class cmd_Demo(commands.Command):
296
__doc__ = """A sample command.
306
helptext = cmd.get_help_text()
307
self.assertEqualDiff('''\
308
Purpose: A sample command.
316
--usage Show usage message and options.
317
-q, --quiet Only display errors and warnings.
318
-v, --verbose Display more information.
319
-h, --help Show help message.
328
class ZzzTranslationsForDoc(ZzzTranslations):
330
_section_pat = re.compile(':\w+:\\n\\s+')
331
_indent_pat = re.compile('\\s+')
334
m = self._section_pat.match(s)
336
m = self._indent_pat.match(s)
338
return u'%szz{{%s}}' % (m.group(0), s[m.end():])
339
return u'zz{{%s}}' % s
342
class TestCommandHelpI18n(tests.TestCase):
343
"""Tests for help on translated commands."""
346
super(TestCommandHelpI18n, self).setUp()
347
self.overrideAttr(i18n, '_translations', ZzzTranslationsForDoc())
349
def assertCmdHelp(self, expected, cmd):
350
self.assertEqualDiff(textwrap.dedent(expected), cmd.get_help_text())
352
def test_command_help_includes_see_also(self):
353
class cmd_WithSeeAlso(commands.Command):
354
__doc__ = """A sample command."""
355
_see_also = ['foo', 'bar']
356
self.assertCmdHelp('''\
357
zz{{:Purpose: zz{{A sample command.}}
358
}}zz{{:Usage: bzr WithSeeAlso
361
--usage zz{{Show usage message and options.}}
362
-q, --quiet zz{{Only display errors and warnings.}}
363
-v, --verbose zz{{Display more information.}}
364
-h, --help zz{{Show help message.}}
366
zz{{:See also: bar, foo}}
370
def test_get_help_text(self):
371
"""Commands have a get_help_text method which returns their help."""
372
class cmd_Demo(commands.Command):
373
__doc__ = """A sample command."""
374
self.assertCmdHelp('''\
375
zz{{:Purpose: zz{{A sample command.}}
376
}}zz{{:Usage: bzr Demo
379
--usage zz{{Show usage message and options.}}
380
-q, --quiet zz{{Only display errors and warnings.}}
381
-v, --verbose zz{{Display more information.}}
382
-h, --help zz{{Show help message.}}
387
def test_command_with_additional_see_also(self):
388
class cmd_WithSeeAlso(commands.Command):
389
__doc__ = """A sample command."""
390
_see_also = ['foo', 'bar']
391
cmd = cmd_WithSeeAlso()
392
helptext = cmd.get_help_text(['gam'])
395
-q, --quiet zz{{Only display errors and warnings.}}
396
-v, --verbose zz{{Display more information.}}
397
-h, --help zz{{Show help message.}}
399
zz{{:See also: bar, foo, gam}}
402
def test_command_only_additional_see_also(self):
403
class cmd_WithSeeAlso(commands.Command):
404
__doc__ = """A sample command."""
405
cmd = cmd_WithSeeAlso()
406
helptext = cmd.get_help_text(['gam'])
410
--usage zz{{Show usage message and options.}}
411
-q, --quiet zz{{Only display errors and warnings.}}
412
-v, --verbose zz{{Display more information.}}
413
-h, --help zz{{Show help message.}}
419
def test_help_custom_section_ordering(self):
420
"""Custom descriptive sections should remain in the order given."""
421
# The help formatter expect the class name to start with 'cmd_'
222
422
class cmd_Demo(commands.Command):
223
423
__doc__ = """A sample command.
279
helptext = cmd.get_help_text()
280
self.assertEquals(helptext,
281
'Purpose: A sample command.\n'
283
' cmd Demo [opts] args\n'
289
' --usage Show usage message and options.\n'
290
' -v, --verbose Display more information.\n'
291
' -q, --quiet Only display errors and warnings.\n'
292
' -h, --help Show help message.\n'
295
' Blah blah blah.\n\n')
477
self.assertCmdHelp('''\
478
zz{{:Purpose: zz{{A sample command.}}
480
zz{{cmd Demo [opts] args}}
486
--usage zz{{Show usage message and options.}}
487
-q, --quiet zz{{Only display errors and warnings.}}
488
-v, --verbose zz{{Display more information.}}
489
-h, --help zz{{Show help message.}}
492
zz{{zz{{Blah blah blah.}}
499
class TestHelp(tests.TestCase):
502
super(TestHelp, self).setUp()
503
commands.install_bzr_command_hooks()
298
506
class TestRegisteredTopic(TestHelp):
409
642
def test_default_search_path(self):
410
643
"""The default search path should include internal indexs."""
411
644
indices = help.HelpIndices()
412
self.assertEqual(3, len(indices.search_path))
645
self.assertEqual(4, len(indices.search_path))
413
646
# help topics should be searched in first.
414
647
self.assertIsInstance(indices.search_path[0],
415
help_topics.HelpTopicIndex)
648
help_topics.HelpTopicIndex)
416
649
# with commands being search second.
417
650
self.assertIsInstance(indices.search_path[1],
418
commands.HelpCommandIndex)
419
# and plugins are a third index.
651
commands.HelpCommandIndex)
652
# plugins are a third index.
420
653
self.assertIsInstance(indices.search_path[2],
421
plugin.PluginsHelpIndex)
654
plugin.PluginsHelpIndex)
655
# config options are a fourth index
656
self.assertIsInstance(indices.search_path[3],
657
help_topics.ConfigOptionHelpIndex)
423
659
def test_search_for_unknown_topic_raises(self):
424
660
"""Searching for an unknown topic should raise NoHelpTopic."""