20
21
# affects the global state of the process. See bzrlib/plugins.py for more
23
from cStringIO import StringIO
28
from bzrlib.tests import TestCaseInTempDir
29
from bzrlib.osutils import pathjoin, abspath
31
class PluginTest(TestCaseInTempDir):
32
"""Create an external plugin and test loading."""
33
# def test_plugin_loading(self):
34
# orig_help = self.run_bzr_captured('bzr help commands')[0]
35
# os.mkdir('plugin_test')
36
# f = open(pathjoin('plugin_test', 'myplug.py'), 'wt')
37
# f.write(PLUGIN_TEXT)
39
# newhelp = self.run_bzr_captured('bzr help commands')[0]
40
# assert newhelp.startswith('You have been overridden\n')
41
# # We added a line, but the rest should work
42
# assert newhelp[25:] == help
44
# assert backtick('bzr commit -m test') == "I'm sorry dave, you can't do that\n"
46
# shutil.rmtree('plugin_test')
49
# os.environ['BZRPLUGINPATH'] = abspath('plugin_test')
50
# help = backtick('bzr help commands')
51
# assert help.find('myplug') != -1
52
# assert help.find('Just a simple test plugin.') != -1
55
# assert backtick('bzr myplug') == 'Hello from my plugin\n'
56
# assert backtick('bzr mplg') == 'Hello from my plugin\n'
58
# f = open(pathjoin('plugin_test', 'override.py'), 'wb')
59
# f.write("""import bzrlib, bzrlib.commands
60
# class cmd_commit(bzrlib.commands.cmd_commit):
61
# '''Commit changes into a new revision.'''
62
# def run(self, *args, **kwargs):
63
# print "I'm sorry dave, you can't do that"
65
# class cmd_help(bzrlib.commands.cmd_help):
66
# '''Show help on a command or other topic.'''
67
# def run(self, *args, **kwargs):
68
# print "You have been overridden"
69
# bzrlib.commands.cmd_help.run(self, *args, **kwargs)
74
import bzrlib.commands
75
class cmd_myplug(bzrlib.commands.Command):
76
'''Just a simple test plugin.'''
79
print 'Hello from my plugin'
39
82
# TODO: Write a test for plugin decoration of commands.
41
class BaseTestPlugins(tests.TestCaseInTempDir):
43
def create_plugin(self, name, source=None, dir='.', file_name=None):
46
"""This is the doc for %s"""
49
file_name = name + '.py'
50
# 'source' must not fail to load
51
path = osutils.pathjoin(dir, file_name)
53
self.addCleanup(os.unlink, path)
55
f.write(source + '\n')
59
def create_plugin_package(self, name, dir=None, source=None):
64
"""This is the doc for %s"""
69
# Workaround lazy import random? madness
71
self.addCleanup(cleanup)
72
self.create_plugin(name, source, dir,
73
file_name='__init__.py')
75
def _unregister_plugin(self, name):
76
"""Remove the plugin from sys.modules and the bzrlib namespace."""
77
py_name = 'bzrlib.plugins.%s' % name
78
if py_name in sys.modules:
79
del sys.modules[py_name]
80
if getattr(bzrlib.plugins, name, None) is not None:
81
delattr(bzrlib.plugins, name)
83
def _unregister_plugin_submodule(self, plugin_name, submodule_name):
84
"""Remove the submodule from sys.modules and the bzrlib namespace."""
85
py_name = 'bzrlib.plugins.%s.%s' % (plugin_name, submodule_name)
86
if py_name in sys.modules:
87
del sys.modules[py_name]
88
plugin = getattr(bzrlib.plugins, plugin_name, None)
89
if plugin is not None:
90
if getattr(plugin, submodule_name, None) is not None:
91
delattr(plugin, submodule_name)
93
def assertPluginUnknown(self, name):
94
self.assertFalse(getattr(bzrlib.plugins, name, None) is not None)
95
self.assertFalse('bzrlib.plugins.%s' % name in sys.modules)
97
def assertPluginKnown(self, name):
98
self.assertTrue(getattr(bzrlib.plugins, name, None) is not None)
99
self.assertTrue('bzrlib.plugins.%s' % name in sys.modules)
102
class TestLoadingPlugins(BaseTestPlugins):
84
class TestOneNamedPluginOnly(TestCaseInTempDir):
104
86
activeattributes = {}
106
88
def test_plugins_with_the_same_name_are_not_loaded(self):
107
# This test tests that having two plugins in different directories does
108
# not result in both being loaded when they have the same name. get a
109
# file name we can use which is also a valid attribute for accessing in
110
# activeattributes. - we cannot give import parameters.
112
self.assertFalse(tempattribute in self.activeattributes)
113
# set a place for the plugins to record their loading, and at the same
114
# time validate that the location the plugins should record to is
116
self.__class__.activeattributes [tempattribute] = []
117
self.assertTrue(tempattribute in self.activeattributes)
118
# create two plugin directories
121
# write a plugin that will record when its loaded in the
122
# tempattribute list.
123
template = ("from bzrlib.tests.test_plugins import TestLoadingPlugins\n"
124
"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
126
outfile = open(os.path.join('first', 'plugin.py'), 'w')
128
outfile.write(template % (tempattribute, 'first'))
133
outfile = open(os.path.join('second', 'plugin.py'), 'w')
135
outfile.write(template % (tempattribute, 'second'))
141
bzrlib.plugin.load_from_path(['first', 'second'])
142
self.assertEqual(['first'], self.activeattributes[tempattribute])
144
# remove the plugin 'plugin'
145
del self.activeattributes[tempattribute]
146
self._unregister_plugin('plugin')
147
self.assertPluginUnknown('plugin')
149
def test_plugins_from_different_dirs_can_demand_load(self):
150
self.assertFalse('bzrlib.plugins.pluginone' in sys.modules)
151
self.assertFalse('bzrlib.plugins.plugintwo' in sys.modules)
152
89
# This test tests that having two plugins in different
153
# directories with different names allows them both to be loaded, when
154
# we do a direct import statement.
155
# Determine a file name we can use which is also a valid attribute
90
# directories does not result in both being loaded.
91
# get a file name we can use which is also a valid attribute
156
92
# for accessing in activeattributes. - we cannot give import parameters.
157
tempattribute = "different-dirs"
158
self.assertFalse(tempattribute in self.activeattributes)
94
self.failIf(tempattribute in self.activeattributes)
159
95
# set a place for the plugins to record their loading, and at the same
160
96
# time validate that the location the plugins should record to is
161
97
# valid and correct.
162
bzrlib.tests.test_plugins.TestLoadingPlugins.activeattributes \
98
bzrlib.tests.test_plugins.TestOneNamedPluginOnly.activeattributes \
163
99
[tempattribute] = []
164
self.assertTrue(tempattribute in self.activeattributes)
100
self.failUnless(tempattribute in self.activeattributes)
165
101
# create two plugin directories
166
102
os.mkdir('first')
167
103
os.mkdir('second')
168
# write plugins that will record when they are loaded in the
104
# write a plugin that will record when its loaded in the
169
105
# tempattribute list.
170
template = ("from bzrlib.tests.test_plugins import TestLoadingPlugins\n"
171
"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
173
outfile = open(os.path.join('first', 'pluginone.py'), 'w')
175
outfile.write(template % (tempattribute, 'first'))
180
outfile = open(os.path.join('second', 'plugintwo.py'), 'w')
182
outfile.write(template % (tempattribute, 'second'))
187
oldpath = bzrlib.plugins.__path__
189
self.assertFalse('bzrlib.plugins.pluginone' in sys.modules)
190
self.assertFalse('bzrlib.plugins.plugintwo' in sys.modules)
191
bzrlib.plugins.__path__ = ['first', 'second']
192
exec "import bzrlib.plugins.pluginone"
106
template = ("from bzrlib.tests.test_plugins import TestOneNamedPluginOnly\n"
107
"TestOneNamedPluginOnly.activeattributes[%r].append('%s')\n")
108
print >> file(os.path.join('first', 'plugin.py'), 'w'), template % (tempattribute, 'first')
109
print >> file(os.path.join('second', 'plugin.py'), 'w'), template % (tempattribute, 'second')
111
bzrlib.plugin.load_from_dirs(['first', 'second'])
193
112
self.assertEqual(['first'], self.activeattributes[tempattribute])
194
exec "import bzrlib.plugins.plugintwo"
195
self.assertEqual(['first', 'second'],
196
self.activeattributes[tempattribute])
198
114
# remove the plugin 'plugin'
199
115
del self.activeattributes[tempattribute]
200
self._unregister_plugin('pluginone')
201
self._unregister_plugin('plugintwo')
202
self.assertPluginUnknown('pluginone')
203
self.assertPluginUnknown('plugintwo')
205
def test_plugins_can_load_from_directory_with_trailing_slash(self):
206
# This test tests that a plugin can load from a directory when the
207
# directory in the path has a trailing slash.
208
# check the plugin is not loaded already
209
self.assertPluginUnknown('ts_plugin')
210
tempattribute = "trailing-slash"
211
self.assertFalse(tempattribute in self.activeattributes)
212
# set a place for the plugin to record its loading, and at the same
213
# time validate that the location the plugin should record to is
215
bzrlib.tests.test_plugins.TestLoadingPlugins.activeattributes \
217
self.assertTrue(tempattribute in self.activeattributes)
218
# create a directory for the plugin
219
os.mkdir('plugin_test')
220
# write a plugin that will record when its loaded in the
221
# tempattribute list.
222
template = ("from bzrlib.tests.test_plugins import TestLoadingPlugins\n"
223
"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
225
outfile = open(os.path.join('plugin_test', 'ts_plugin.py'), 'w')
227
outfile.write(template % (tempattribute, 'plugin'))
233
bzrlib.plugin.load_from_path(['plugin_test'+os.sep])
234
self.assertEqual(['plugin'], self.activeattributes[tempattribute])
236
del self.activeattributes[tempattribute]
237
self._unregister_plugin('ts_plugin')
238
self.assertPluginUnknown('ts_plugin')
240
def load_and_capture(self, name):
241
"""Load plugins from '.' capturing the output.
243
:param name: The name of the plugin.
244
:return: A string with the log from the plugin loading call.
249
handler = logging.StreamHandler(stream)
250
log = logging.getLogger('bzr')
251
log.addHandler(handler)
254
bzrlib.plugin.load_from_path(['.'])
256
if 'bzrlib.plugins.%s' % name in sys.modules:
257
del sys.modules['bzrlib.plugins.%s' % name]
258
if getattr(bzrlib.plugins, name, None):
259
delattr(bzrlib.plugins, name)
261
# Stop capturing output
264
log.removeHandler(handler)
265
return stream.getvalue()
269
def test_plugin_with_bad_api_version_reports(self):
270
"""Try loading a plugin that requests an unsupported api.
272
Observe that it records the problem but doesn't complain on stderr.
274
See https://bugs.launchpad.net/bzr/+bug/704195
276
self.overrideAttr(plugin, 'plugin_warnings', {})
280
f.write("import bzrlib.api\n"
281
"bzrlib.api.require_any_api(bzrlib, [(1, 0, 0)])\n")
284
log = self.load_and_capture(name)
285
self.assertNotContainsRe(log,
286
r"It requested API version")
289
plugin.plugin_warnings.keys())
290
self.assertContainsRe(
291
plugin.plugin_warnings['wants100'][0],
292
r"It requested API version")
294
def test_plugin_with_bad_name_does_not_load(self):
295
# The file name here invalid for a python module.
296
name = 'bzr-bad plugin-name..py'
297
file(name, 'w').close()
298
log = self.load_and_capture(name)
299
self.assertContainsRe(log,
300
r"Unable to load 'bzr-bad plugin-name\.' in '\.' as a plugin "
301
"because the file path isn't a valid module name; try renaming "
302
"it to 'bad_plugin_name_'\.")
305
class TestPlugins(BaseTestPlugins):
307
def setup_plugin(self, source=""):
308
# This test tests a new plugin appears in bzrlib.plugin.plugins().
309
# check the plugin is not loaded already
310
self.assertPluginUnknown('plugin')
116
if getattr(bzrlib.plugins, 'plugin', None):
117
del bzrlib.plugins.plugin
118
self.failIf(getattr(bzrlib.plugins, 'plugin', None))
121
class TestAllPlugins(TestCaseInTempDir):
123
def test_plugin_appears_in_all_plugins(self):
124
# This test tests a new plugin appears in bzrlib.plugin.all_plugins().
125
# check the plugin is not loaded already
126
self.failIf(getattr(bzrlib.plugins, 'plugin', None))
311
127
# write a plugin that _cannot_ fail to load.
312
file('plugin.py', 'w').write(source + '\n')
313
self.addCleanup(self.teardown_plugin)
314
plugin.load_from_path(['.'])
316
def teardown_plugin(self):
317
self._unregister_plugin('plugin')
318
self.assertPluginUnknown('plugin')
320
def test_plugin_appears_in_plugins(self):
322
self.assertPluginKnown('plugin')
323
p = plugin.plugins()['plugin']
324
self.assertIsInstance(p, bzrlib.plugin.PlugIn)
325
self.assertEqual(p.module, plugins.plugin)
327
def test_trivial_plugin_get_path(self):
329
p = plugin.plugins()['plugin']
330
plugin_path = self.test_dir + '/plugin.py'
331
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
333
def test_plugin_get_path_py_not_pyc(self):
334
# first import creates plugin.pyc
336
self.teardown_plugin()
337
plugin.load_from_path(['.']) # import plugin.pyc
338
p = plugin.plugins()['plugin']
339
plugin_path = self.test_dir + '/plugin.py'
340
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
342
def test_plugin_get_path_pyc_only(self):
343
# first import creates plugin.pyc (or plugin.pyo depending on __debug__)
345
self.teardown_plugin()
346
os.unlink(self.test_dir + '/plugin.py')
347
plugin.load_from_path(['.']) # import plugin.pyc (or .pyo)
348
p = plugin.plugins()['plugin']
350
plugin_path = self.test_dir + '/plugin.pyc'
352
plugin_path = self.test_dir + '/plugin.pyo'
353
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
355
def test_no_test_suite_gives_None_for_test_suite(self):
357
p = plugin.plugins()['plugin']
358
self.assertEqual(None, p.test_suite())
360
def test_test_suite_gives_test_suite_result(self):
361
source = """def test_suite(): return 'foo'"""
362
self.setup_plugin(source)
363
p = plugin.plugins()['plugin']
364
self.assertEqual('foo', p.test_suite())
366
def test_no_load_plugin_tests_gives_None_for_load_plugin_tests(self):
368
loader = tests.TestUtil.TestLoader()
369
p = plugin.plugins()['plugin']
370
self.assertEqual(None, p.load_plugin_tests(loader))
372
def test_load_plugin_tests_gives_load_plugin_tests_result(self):
374
def load_tests(standard_tests, module, loader):
376
self.setup_plugin(source)
377
loader = tests.TestUtil.TestLoader()
378
p = plugin.plugins()['plugin']
379
self.assertEqual('foo', p.load_plugin_tests(loader))
381
def check_version_info(self, expected, source='', name='plugin'):
382
self.setup_plugin(source)
383
self.assertEqual(expected, plugin.plugins()[name].version_info())
385
def test_no_version_info(self):
386
self.check_version_info(None)
388
def test_with_version_info(self):
389
self.check_version_info((1, 2, 3, 'dev', 4),
390
"version_info = (1, 2, 3, 'dev', 4)")
392
def test_short_version_info_gets_padded(self):
393
# the gtk plugin has version_info = (1,2,3) rather than the 5-tuple.
395
self.check_version_info((1, 2, 3, 'final', 0),
396
"version_info = (1, 2, 3)")
398
def check_version(self, expected, source=None, name='plugin'):
399
self.setup_plugin(source)
400
self.assertEqual(expected, plugins[name].__version__)
402
def test_no_version_info___version__(self):
404
plugin = bzrlib.plugin.plugins()['plugin']
405
self.assertEqual("unknown", plugin.__version__)
407
def test_str__version__with_version_info(self):
408
self.setup_plugin("version_info = '1.2.3'")
409
plugin = bzrlib.plugin.plugins()['plugin']
410
self.assertEqual("1.2.3", plugin.__version__)
412
def test_noniterable__version__with_version_info(self):
413
self.setup_plugin("version_info = (1)")
414
plugin = bzrlib.plugin.plugins()['plugin']
415
self.assertEqual("1", plugin.__version__)
417
def test_1__version__with_version_info(self):
418
self.setup_plugin("version_info = (1,)")
419
plugin = bzrlib.plugin.plugins()['plugin']
420
self.assertEqual("1", plugin.__version__)
422
def test_1_2__version__with_version_info(self):
423
self.setup_plugin("version_info = (1, 2)")
424
plugin = bzrlib.plugin.plugins()['plugin']
425
self.assertEqual("1.2", plugin.__version__)
427
def test_1_2_3__version__with_version_info(self):
428
self.setup_plugin("version_info = (1, 2, 3)")
429
plugin = bzrlib.plugin.plugins()['plugin']
430
self.assertEqual("1.2.3", plugin.__version__)
432
def test_candidate__version__with_version_info(self):
433
self.setup_plugin("version_info = (1, 2, 3, 'candidate', 1)")
434
plugin = bzrlib.plugin.plugins()['plugin']
435
self.assertEqual("1.2.3rc1", plugin.__version__)
437
def test_dev__version__with_version_info(self):
438
self.setup_plugin("version_info = (1, 2, 3, 'dev', 0)")
439
plugin = bzrlib.plugin.plugins()['plugin']
440
self.assertEqual("1.2.3dev", plugin.__version__)
442
def test_dev_fallback__version__with_version_info(self):
443
self.setup_plugin("version_info = (1, 2, 3, 'dev', 4)")
444
plugin = bzrlib.plugin.plugins()['plugin']
445
self.assertEqual("1.2.3dev4", plugin.__version__)
447
def test_final__version__with_version_info(self):
448
self.setup_plugin("version_info = (1, 2, 3, 'final', 0)")
449
plugin = bzrlib.plugin.plugins()['plugin']
450
self.assertEqual("1.2.3", plugin.__version__)
452
def test_final_fallback__version__with_version_info(self):
453
self.setup_plugin("version_info = (1, 2, 3, 'final', 2)")
454
plugin = bzrlib.plugin.plugins()['plugin']
455
self.assertEqual("1.2.3.2", plugin.__version__)
458
class TestPluginHelp(tests.TestCaseInTempDir):
460
def split_help_commands(self):
463
out, err = self.run_bzr('--no-plugins help commands')
464
for line in out.splitlines():
465
if not line.startswith(' '):
466
current = line.split()[0]
467
help[current] = help.get(current, '') + line
471
def test_plugin_help_builtins_unaffected(self):
472
# Check we don't get false positives
473
help_commands = self.split_help_commands()
474
for cmd_name in bzrlib.commands.builtin_command_names():
475
if cmd_name in bzrlib.commands.plugin_command_names():
478
help = bzrlib.commands.get_cmd_object(cmd_name).get_help_text()
479
except NotImplementedError:
480
# some commands have no help
483
self.assertNotContainsRe(help, 'plugin "[^"]*"')
485
if cmd_name in help_commands.keys():
486
# some commands are hidden
487
help = help_commands[cmd_name]
488
self.assertNotContainsRe(help, 'plugin "[^"]*"')
490
def test_plugin_help_shows_plugin(self):
491
# Create a test plugin
492
os.mkdir('plugin_test')
493
f = open(osutils.pathjoin('plugin_test', 'myplug.py'), 'w')
495
from bzrlib import commands
496
class cmd_myplug(commands.Command):
497
__doc__ = '''Just a simple test plugin.'''
500
print 'Hello from my plugin'
508
bzrlib.plugin.load_from_path(['plugin_test'])
509
bzrlib.commands.register_command( bzrlib.plugins.myplug.cmd_myplug)
510
help = self.run_bzr('help myplug')[0]
511
self.assertContainsRe(help, 'plugin "myplug"')
512
help = self.split_help_commands()['myplug']
513
self.assertContainsRe(help, '\[myplug\]')
516
if 'myplug' in bzrlib.commands.plugin_cmds:
517
bzrlib.commands.plugin_cmds.remove('myplug')
518
# remove the plugin 'myplug'
519
if getattr(bzrlib.plugins, 'myplug', None):
520
delattr(bzrlib.plugins, 'myplug')
523
class TestHelpIndex(tests.TestCase):
524
"""Tests for the PluginsHelpIndex class."""
526
def test_default_constructable(self):
527
index = plugin.PluginsHelpIndex()
529
def test_get_topics_None(self):
530
"""Searching for None returns an empty list."""
531
index = plugin.PluginsHelpIndex()
532
self.assertEqual([], index.get_topics(None))
534
def test_get_topics_for_plugin(self):
535
"""Searching for plugin name gets its docstring."""
536
index = plugin.PluginsHelpIndex()
537
# make a new plugin here for this test, even if we're run with
539
self.assertFalse(sys.modules.has_key('bzrlib.plugins.demo_module'))
540
demo_module = FakeModule('', 'bzrlib.plugins.demo_module')
541
sys.modules['bzrlib.plugins.demo_module'] = demo_module
543
topics = index.get_topics('demo_module')
544
self.assertEqual(1, len(topics))
545
self.assertIsInstance(topics[0], plugin.ModuleHelpTopic)
546
self.assertEqual(demo_module, topics[0].module)
548
del sys.modules['bzrlib.plugins.demo_module']
550
def test_get_topics_no_topic(self):
551
"""Searching for something that is not a plugin returns []."""
552
# test this by using a name that cannot be a plugin - its not
553
# a valid python identifier.
554
index = plugin.PluginsHelpIndex()
555
self.assertEqual([], index.get_topics('nothing by this name'))
557
def test_prefix(self):
558
"""PluginsHelpIndex has a prefix of 'plugins/'."""
559
index = plugin.PluginsHelpIndex()
560
self.assertEqual('plugins/', index.prefix)
562
def test_get_plugin_topic_with_prefix(self):
563
"""Searching for plugins/demo_module returns help."""
564
index = plugin.PluginsHelpIndex()
565
self.assertFalse(sys.modules.has_key('bzrlib.plugins.demo_module'))
566
demo_module = FakeModule('', 'bzrlib.plugins.demo_module')
567
sys.modules['bzrlib.plugins.demo_module'] = demo_module
569
topics = index.get_topics('plugins/demo_module')
570
self.assertEqual(1, len(topics))
571
self.assertIsInstance(topics[0], plugin.ModuleHelpTopic)
572
self.assertEqual(demo_module, topics[0].module)
574
del sys.modules['bzrlib.plugins.demo_module']
577
class FakeModule(object):
578
"""A fake module to test with."""
580
def __init__(self, doc, name):
585
class TestModuleHelpTopic(tests.TestCase):
586
"""Tests for the ModuleHelpTopic class."""
588
def test_contruct(self):
589
"""Construction takes the module to document."""
590
mod = FakeModule('foo', 'foo')
591
topic = plugin.ModuleHelpTopic(mod)
592
self.assertEqual(mod, topic.module)
594
def test_get_help_text_None(self):
595
"""A ModuleHelpTopic returns the docstring for get_help_text."""
596
mod = FakeModule(None, 'demo')
597
topic = plugin.ModuleHelpTopic(mod)
598
self.assertEqual("Plugin 'demo' has no docstring.\n",
599
topic.get_help_text())
601
def test_get_help_text_no_carriage_return(self):
602
"""ModuleHelpTopic.get_help_text adds a \n if needed."""
603
mod = FakeModule('one line of help', 'demo')
604
topic = plugin.ModuleHelpTopic(mod)
605
self.assertEqual("one line of help\n",
606
topic.get_help_text())
608
def test_get_help_text_carriage_return(self):
609
"""ModuleHelpTopic.get_help_text adds a \n if needed."""
610
mod = FakeModule('two lines of help\nand more\n', 'demo')
611
topic = plugin.ModuleHelpTopic(mod)
612
self.assertEqual("two lines of help\nand more\n",
613
topic.get_help_text())
615
def test_get_help_text_with_additional_see_also(self):
616
mod = FakeModule('two lines of help\nand more', 'demo')
617
topic = plugin.ModuleHelpTopic(mod)
618
self.assertEqual("two lines of help\nand more\n\n:See also: bar, foo\n",
619
topic.get_help_text(['foo', 'bar']))
621
def test_get_help_topic(self):
622
"""The help topic for a plugin is its module name."""
623
mod = FakeModule('two lines of help\nand more', 'bzrlib.plugins.demo')
624
topic = plugin.ModuleHelpTopic(mod)
625
self.assertEqual('demo', topic.get_help_topic())
626
mod = FakeModule('two lines of help\nand more',
627
'bzrlib.plugins.foo_bar')
628
topic = plugin.ModuleHelpTopic(mod)
629
self.assertEqual('foo_bar', topic.get_help_topic())
632
class TestLoadFromPath(tests.TestCaseInTempDir):
635
super(TestLoadFromPath, self).setUp()
636
# Change bzrlib.plugin to think no plugins have been loaded yet.
637
self.overrideAttr(bzrlib.plugins, '__path__', [])
638
self.overrideAttr(plugin, '_loaded', False)
640
# Monkey-patch load_from_path to stop it from actually loading anything.
641
self.overrideAttr(plugin, 'load_from_path', lambda dirs: None)
643
def test_set_plugins_path_with_args(self):
644
plugin.set_plugins_path(['a', 'b'])
645
self.assertEqual(['a', 'b'], bzrlib.plugins.__path__)
647
def test_set_plugins_path_defaults(self):
648
plugin.set_plugins_path()
649
self.assertEqual(plugin.get_standard_plugins_path(),
650
bzrlib.plugins.__path__)
652
def test_get_standard_plugins_path(self):
653
path = plugin.get_standard_plugins_path()
654
for directory in path:
655
self.assertNotContainsRe(directory, r'\\/$')
657
from distutils.sysconfig import get_python_lib
661
if sys.platform != 'win32':
662
python_lib = get_python_lib()
663
for directory in path:
664
if directory.startswith(python_lib):
667
self.fail('No path to global plugins')
669
def test_get_standard_plugins_path_env(self):
670
self.overrideEnv('BZR_PLUGIN_PATH', 'foo/')
671
path = plugin.get_standard_plugins_path()
672
for directory in path:
673
self.assertNotContainsRe(directory, r'\\/$')
675
def test_load_plugins(self):
676
plugin.load_plugins(['.'])
677
self.assertEqual(bzrlib.plugins.__path__, ['.'])
678
# subsequent loads are no-ops
679
plugin.load_plugins(['foo'])
680
self.assertEqual(bzrlib.plugins.__path__, ['.'])
682
def test_load_plugins_default(self):
683
plugin.load_plugins()
684
path = plugin.get_standard_plugins_path()
685
self.assertEqual(path, bzrlib.plugins.__path__)
688
class TestEnvPluginPath(tests.TestCase):
691
super(TestEnvPluginPath, self).setUp()
692
self.overrideAttr(plugin, 'DEFAULT_PLUGIN_PATH', None)
694
self.user = plugin.get_user_plugin_path()
695
self.site = plugin.get_site_plugin_path()
696
self.core = plugin.get_core_plugin_path()
698
def _list2paths(self, *args):
701
plugin._append_new_path(paths, p)
704
def _set_path(self, *args):
705
path = os.pathsep.join(self._list2paths(*args))
706
self.overrideEnv('BZR_PLUGIN_PATH', path)
708
def check_path(self, expected_dirs, setting_dirs):
710
self._set_path(*setting_dirs)
711
actual = plugin.get_standard_plugins_path()
712
self.assertEquals(self._list2paths(*expected_dirs), actual)
714
def test_default(self):
715
self.check_path([self.user, self.core, self.site],
718
def test_adhoc_policy(self):
719
self.check_path([self.user, self.core, self.site],
720
['+user', '+core', '+site'])
722
def test_fallback_policy(self):
723
self.check_path([self.core, self.site, self.user],
724
['+core', '+site', '+user'])
726
def test_override_policy(self):
727
self.check_path([self.user, self.site, self.core],
728
['+user', '+site', '+core'])
730
def test_disable_user(self):
731
self.check_path([self.core, self.site], ['-user'])
733
def test_disable_user_twice(self):
734
# Ensures multiple removals don't left cruft
735
self.check_path([self.core, self.site], ['-user', '-user'])
737
def test_duplicates_are_removed(self):
738
self.check_path([self.user, self.core, self.site],
740
# And only the first reference is kept (since the later references will
741
# only produce '<plugin> already loaded' mutters)
742
self.check_path([self.user, self.core, self.site],
743
['+user', '+user', '+core',
744
'+user', '+site', '+site',
747
def test_disable_overrides_enable(self):
748
self.check_path([self.core, self.site], ['-user', '+user'])
750
def test_disable_core(self):
751
self.check_path([self.site], ['-core'])
752
self.check_path([self.user, self.site], ['+user', '-core'])
754
def test_disable_site(self):
755
self.check_path([self.core], ['-site'])
756
self.check_path([self.user, self.core], ['-site', '+user'])
758
def test_override_site(self):
759
self.check_path(['mysite', self.user, self.core],
760
['mysite', '-site', '+user'])
761
self.check_path(['mysite', self.core],
764
def test_override_core(self):
765
self.check_path(['mycore', self.user, self.site],
766
['mycore', '-core', '+user', '+site'])
767
self.check_path(['mycore', self.site],
770
def test_my_plugin_only(self):
771
self.check_path(['myplugin'], ['myplugin', '-user', '-core', '-site'])
773
def test_my_plugin_first(self):
774
self.check_path(['myplugin', self.core, self.site, self.user],
775
['myplugin', '+core', '+site', '+user'])
777
def test_bogus_references(self):
778
self.check_path(['+foo', '-bar', self.core, self.site],
782
class TestDisablePlugin(BaseTestPlugins):
785
super(TestDisablePlugin, self).setUp()
786
self.create_plugin_package('test_foo')
787
# Make sure we don't pollute the plugins namespace
788
self.overrideAttr(plugins, '__path__')
789
# Be paranoid in case a test fail
790
self.addCleanup(self._unregister_plugin, 'test_foo')
792
def test_cannot_import(self):
793
self.overrideEnv('BZR_DISABLE_PLUGINS', 'test_foo')
794
plugin.set_plugins_path(['.'])
796
import bzrlib.plugins.test_foo
799
self.assertPluginUnknown('test_foo')
801
def test_regular_load(self):
802
self.overrideAttr(plugin, '_loaded', False)
803
plugin.load_plugins(['.'])
804
self.assertPluginKnown('test_foo')
805
self.assertDocstring("This is the doc for test_foo",
806
bzrlib.plugins.test_foo)
808
def test_not_loaded(self):
810
def captured_warning(*args, **kwargs):
811
self.warnings.append((args, kwargs))
812
self.overrideAttr(trace, 'warning', captured_warning)
813
# Reset the flag that protect against double loading
814
self.overrideAttr(plugin, '_loaded', False)
815
self.overrideEnv('BZR_DISABLE_PLUGINS', 'test_foo')
816
plugin.load_plugins(['.'])
817
self.assertPluginUnknown('test_foo')
818
# Make sure we don't warn about the plugin ImportError since this has
819
# been *requested* by the user.
820
self.assertLength(0, self.warnings)
824
class TestLoadPluginAtSyntax(tests.TestCase):
826
def _get_paths(self, paths):
827
return plugin._get_specific_plugin_paths(paths)
829
def test_empty(self):
830
self.assertEquals([], self._get_paths(None))
831
self.assertEquals([], self._get_paths(''))
833
def test_one_path(self):
834
self.assertEquals([('b', 'man')], self._get_paths('b@man'))
836
def test_bogus_path(self):
838
self.assertRaises(errors.BzrCommandError, self._get_paths, 'batman')
839
# Too much '@' isn't good either
840
self.assertRaises(errors.BzrCommandError, self._get_paths,
841
'batman@mobile@cave')
842
# An empty description probably indicates a problem
843
self.assertRaises(errors.BzrCommandError, self._get_paths,
844
os.pathsep.join(['batman@cave', '', 'robin@mobile']))
847
class TestLoadPluginAt(BaseTestPlugins):
850
super(TestLoadPluginAt, self).setUp()
851
# Make sure we don't pollute the plugins namespace
852
self.overrideAttr(plugins, '__path__')
853
# Reset the flag that protect against double loading
854
self.overrideAttr(plugin, '_loaded', False)
855
# Create the same plugin in two directories
856
self.create_plugin_package('test_foo', dir='non-standard-dir')
857
# The "normal" directory, we use 'standard' instead of 'plugins' to
858
# avoid depending on the precise naming.
859
self.create_plugin_package('test_foo', dir='standard/test_foo')
860
# All the tests will load the 'test_foo' plugin from various locations
861
self.addCleanup(self._unregister_plugin, 'test_foo')
862
# Unfortunately there's global cached state for the specific
864
self.addCleanup(plugin.PluginImporter.reset)
866
def assertTestFooLoadedFrom(self, path):
867
self.assertPluginKnown('test_foo')
868
self.assertDocstring('This is the doc for test_foo',
869
bzrlib.plugins.test_foo)
870
self.assertEqual(path, bzrlib.plugins.test_foo.dir_source)
872
def test_regular_load(self):
873
plugin.load_plugins(['standard'])
874
self.assertTestFooLoadedFrom('standard/test_foo')
876
def test_import(self):
877
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
878
plugin.set_plugins_path(['standard'])
880
import bzrlib.plugins.test_foo
883
self.assertTestFooLoadedFrom('non-standard-dir')
885
def test_loading(self):
886
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
887
plugin.load_plugins(['standard'])
888
self.assertTestFooLoadedFrom('non-standard-dir')
890
def test_compiled_loaded(self):
891
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
892
plugin.load_plugins(['standard'])
893
self.assertTestFooLoadedFrom('non-standard-dir')
894
self.assertIsSameRealPath('non-standard-dir/__init__.py',
895
bzrlib.plugins.test_foo.__file__)
897
# Try importing again now that the source has been compiled
898
self._unregister_plugin('test_foo')
899
plugin._loaded = False
900
plugin.load_plugins(['standard'])
901
self.assertTestFooLoadedFrom('non-standard-dir')
906
self.assertIsSameRealPath('non-standard-dir/__init__.%s' % suffix,
907
bzrlib.plugins.test_foo.__file__)
909
def test_submodule_loading(self):
910
# We create an additional directory under the one for test_foo
911
self.create_plugin_package('test_bar', dir='non-standard-dir/test_bar')
912
self.addCleanup(self._unregister_plugin_submodule,
913
'test_foo', 'test_bar')
914
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
915
plugin.set_plugins_path(['standard'])
916
import bzrlib.plugins.test_foo
917
self.assertEqual('bzrlib.plugins.test_foo',
918
bzrlib.plugins.test_foo.__package__)
919
import bzrlib.plugins.test_foo.test_bar
920
self.assertIsSameRealPath('non-standard-dir/test_bar/__init__.py',
921
bzrlib.plugins.test_foo.test_bar.__file__)
923
def test_relative_submodule_loading(self):
924
self.create_plugin_package('test_foo', dir='another-dir', source='''
927
# We create an additional directory under the one for test_foo
928
self.create_plugin_package('test_bar', dir='another-dir/test_bar')
929
self.addCleanup(self._unregister_plugin_submodule,
930
'test_foo', 'test_bar')
931
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@another-dir')
932
plugin.set_plugins_path(['standard'])
933
import bzrlib.plugins.test_foo
934
self.assertEqual('bzrlib.plugins.test_foo',
935
bzrlib.plugins.test_foo.__package__)
936
self.assertIsSameRealPath('another-dir/test_bar/__init__.py',
937
bzrlib.plugins.test_foo.test_bar.__file__)
939
def test_loading_from___init__only(self):
940
# We rename the existing __init__.py file to ensure that we don't load
942
init = 'non-standard-dir/__init__.py'
943
random = 'non-standard-dir/setup.py'
944
os.rename(init, random)
945
self.addCleanup(os.rename, random, init)
946
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
947
plugin.load_plugins(['standard'])
948
self.assertPluginUnknown('test_foo')
950
def test_loading_from_specific_file(self):
951
plugin_dir = 'non-standard-dir'
952
plugin_file_name = 'iamtestfoo.py'
953
plugin_path = osutils.pathjoin(plugin_dir, plugin_file_name)
955
"""This is the doc for %s"""
957
''' % ('test_foo', plugin_path)
958
self.create_plugin('test_foo', source=source,
959
dir=plugin_dir, file_name=plugin_file_name)
960
self.overrideEnv('BZR_PLUGINS_AT', 'test_foo@%s' % plugin_path)
961
plugin.load_plugins(['standard'])
962
self.assertTestFooLoadedFrom(plugin_path)
965
class TestDescribePlugins(BaseTestPlugins):
967
def test_describe_plugins(self):
968
class DummyModule(object):
970
class DummyPlugin(object):
971
__version__ = '0.1.0'
972
module = DummyModule()
974
return { 'good': DummyPlugin() }
975
self.overrideAttr(plugin, 'plugin_warnings',
976
{'bad': ['Failed to load (just testing)']})
977
self.overrideAttr(plugin, 'plugins', dummy_plugins)
978
self.assertEquals("""\
980
** Failed to load (just testing)
985
""", ''.join(plugin.describe_plugins()))
128
print >> file('plugin.py', 'w'), ""
130
bzrlib.plugin.load_from_dirs(['.'])
131
self.failUnless('plugin' in bzrlib.plugin.all_plugins())
132
self.failUnless(getattr(bzrlib.plugins, 'plugin', None))
133
self.assertEqual(bzrlib.plugin.all_plugins()['plugin'],
134
bzrlib.plugins.plugin)
136
# remove the plugin 'plugin'
137
if getattr(bzrlib.plugins, 'plugin', None):
138
del bzrlib.plugins.plugin
139
self.failIf(getattr(bzrlib.plugins, 'plugin', None))
added
removed
bzrlib/tests/test_plugins.py
