17
18
"""Tests for plugins"""
19
# XXX: There are no plugin tests at the moment because the plugin module
20
# affects the global state of the process. See bzrlib/plugins.py for more
23
from cStringIO import StringIO
21
from io import StringIO
33
from ..tests.features import pkg_resources_feature
38
36
# TODO: Write a test for plugin decoration of commands.
40
class TestPluginMixin(object):
38
invalidate_caches = getattr(importlib, "invalidate_caches", lambda: None)
41
class BaseTestPlugins(tests.TestCaseInTempDir):
42
"""TestCase that isolates plugin imports and cleans up on completion."""
45
super(BaseTestPlugins, self).setUp()
46
self.module_name = "breezy.testingplugins"
47
self.module_prefix = self.module_name + "."
48
self.module = types.ModuleType(self.module_name)
50
self.overrideAttr(plugin, "_MODULE_PREFIX", self.module_prefix)
51
self.overrideAttr(breezy, "testingplugins", self.module)
53
sys.modules[self.module_name] = self.module
54
self.addCleanup(self._unregister_all)
55
self.addCleanup(self._unregister_finder)
60
"""Remove all global testing state and clean up module."""
61
# GZ 2017-06-02: Ideally don't do this, write new test or generate
62
# bytecode by other mechanism.
63
self.log("resetting plugin testing context")
64
self._unregister_all()
65
self._unregister_finder()
66
sys.modules[self.module_name] = self.module
67
for name in list(self.module.__dict__):
69
delattr(self.module, name)
73
def update_module_paths(self, paths):
74
paths = plugin.extend_path(paths, self.module_name)
75
self.module.__path__ = paths
76
self.log("using %r", paths)
79
def load_with_paths(self, paths):
80
self.log("loading plugins!")
81
plugin.load_plugins(self.update_module_paths(paths), state=self)
42
83
def create_plugin(self, name, source=None, dir='.', file_name=None):
68
# Workaround lazy import random? madness
70
self.addCleanup(cleanup)
71
104
self.create_plugin(name, source, dir,
72
105
file_name='__init__.py')
74
def _unregister_plugin(self, name):
75
"""Remove the plugin from sys.modules and the bzrlib namespace."""
76
py_name = 'bzrlib.plugins.%s' % name
77
if py_name in sys.modules:
78
del sys.modules[py_name]
79
if getattr(bzrlib.plugins, name, None) is not None:
80
delattr(bzrlib.plugins, name)
107
def promote_cache(self, directory):
108
"""Move bytecode files out of __pycache__ in given directory."""
109
cache_dir = os.path.join(directory, '__pycache__')
110
if os.path.isdir(cache_dir):
111
for name in os.listdir(cache_dir):
112
magicless_name = '.'.join(name.split('.')[0::name.count('.')])
113
rel = osutils.relpath(self.test_dir, cache_dir)
114
self.log("moving %s in %s to %s", name, rel, magicless_name)
115
os.rename(os.path.join(cache_dir, name),
116
os.path.join(directory, magicless_name))
118
def _unregister_finder(self):
119
"""Removes any test copies of _PluginsAtFinder from sys.meta_path."""
120
idx = len(sys.meta_path)
123
finder = sys.meta_path[idx]
124
if getattr(finder, "prefix", "") == self.module_prefix:
125
self.log("removed %r from sys.meta_path", finder)
126
sys.meta_path.pop(idx)
128
def _unregister_all(self):
129
"""Remove all plugins in the test namespace from sys.modules."""
130
for name in list(sys.modules):
131
if name.startswith(self.module_prefix) or name == self.module_name:
132
self.log("removed %s from sys.modules", name)
133
del sys.modules[name]
135
def assertPluginModules(self, plugin_dict):
137
dict((k[len(self.module_prefix):], sys.modules[k])
138
for k in sys.modules if k.startswith(self.module_prefix)),
82
141
def assertPluginUnknown(self, name):
83
self.failIf(getattr(bzrlib.plugins, name, None) is not None)
84
self.failIf('bzrlib.plugins.%s' % name in sys.modules)
142
self.assertTrue(getattr(self.module, name, None) is None)
143
self.assertFalse(self.module_prefix + name in sys.modules)
86
145
def assertPluginKnown(self, name):
87
self.failUnless(getattr(bzrlib.plugins, name, None) is not None)
88
self.failUnless('bzrlib.plugins.%s' % name in sys.modules)
91
class TestLoadingPlugins(tests.TestCaseInTempDir, TestPluginMixin):
146
self.assertTrue(getattr(self.module, name, None) is not None)
147
self.assertTrue(self.module_prefix + name in sys.modules)
150
class TestLoadingPlugins(BaseTestPlugins):
93
152
activeattributes = {}
98
157
# file name we can use which is also a valid attribute for accessing in
99
158
# activeattributes. - we cannot give import parameters.
100
159
tempattribute = "0"
101
self.failIf(tempattribute in self.activeattributes)
160
self.assertFalse(tempattribute in self.activeattributes)
102
161
# set a place for the plugins to record their loading, and at the same
103
162
# time validate that the location the plugins should record to is
104
163
# valid and correct.
105
self.__class__.activeattributes [tempattribute] = []
106
self.failUnless(tempattribute in self.activeattributes)
164
self.__class__.activeattributes[tempattribute] = []
165
self.assertTrue(tempattribute in self.activeattributes)
107
166
# create two plugin directories
108
167
os.mkdir('first')
109
168
os.mkdir('second')
110
169
# write a plugin that will record when its loaded in the
111
170
# tempattribute list.
112
template = ("from bzrlib.tests.test_plugins import TestLoadingPlugins\n"
171
template = ("from breezy.tests.test_plugins import TestLoadingPlugins\n"
113
172
"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
115
outfile = open(os.path.join('first', 'plugin.py'), 'w')
174
with open(os.path.join('first', 'plugin.py'), 'w') as outfile:
117
175
outfile.write(template % (tempattribute, 'first'))
118
176
outfile.write('\n')
122
outfile = open(os.path.join('second', 'plugin.py'), 'w')
178
with open(os.path.join('second', 'plugin.py'), 'w') as outfile:
124
179
outfile.write(template % (tempattribute, 'second'))
125
180
outfile.write('\n')
130
bzrlib.plugin.load_from_path(['first', 'second'])
183
self.load_with_paths(['first', 'second'])
131
184
self.assertEqual(['first'], self.activeattributes[tempattribute])
133
# remove the plugin 'plugin'
134
186
del self.activeattributes[tempattribute]
135
self._unregister_plugin('plugin')
136
self.assertPluginUnknown('plugin')
138
188
def test_plugins_from_different_dirs_can_demand_load(self):
139
self.failIf('bzrlib.plugins.pluginone' in sys.modules)
140
self.failIf('bzrlib.plugins.plugintwo' in sys.modules)
189
self.assertFalse('breezy.plugins.pluginone' in sys.modules)
190
self.assertFalse('breezy.plugins.plugintwo' in sys.modules)
141
191
# This test tests that having two plugins in different
142
192
# directories with different names allows them both to be loaded, when
143
193
# we do a direct import statement.
144
194
# Determine a file name we can use which is also a valid attribute
145
195
# for accessing in activeattributes. - we cannot give import parameters.
146
196
tempattribute = "different-dirs"
147
self.failIf(tempattribute in self.activeattributes)
197
self.assertFalse(tempattribute in self.activeattributes)
148
198
# set a place for the plugins to record their loading, and at the same
149
199
# time validate that the location the plugins should record to is
150
200
# valid and correct.
151
bzrlib.tests.test_plugins.TestLoadingPlugins.activeattributes \
153
self.failUnless(tempattribute in self.activeattributes)
201
breezy.tests.test_plugins.TestLoadingPlugins.activeattributes[tempattribute] = [
203
self.assertTrue(tempattribute in self.activeattributes)
154
204
# create two plugin directories
155
205
os.mkdir('first')
156
206
os.mkdir('second')
157
207
# write plugins that will record when they are loaded in the
158
208
# tempattribute list.
159
template = ("from bzrlib.tests.test_plugins import TestLoadingPlugins\n"
209
template = ("from breezy.tests.test_plugins import TestLoadingPlugins\n"
160
210
"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
162
outfile = open(os.path.join('first', 'pluginone.py'), 'w')
212
with open(os.path.join('first', 'pluginone.py'), 'w') as outfile:
164
213
outfile.write(template % (tempattribute, 'first'))
165
214
outfile.write('\n')
169
outfile = open(os.path.join('second', 'plugintwo.py'), 'w')
216
with open(os.path.join('second', 'plugintwo.py'), 'w') as outfile:
171
217
outfile.write(template % (tempattribute, 'second'))
172
218
outfile.write('\n')
176
oldpath = bzrlib.plugins.__path__
178
self.failIf('bzrlib.plugins.pluginone' in sys.modules)
179
self.failIf('bzrlib.plugins.plugintwo' in sys.modules)
180
bzrlib.plugins.__path__ = ['first', 'second']
181
exec "import bzrlib.plugins.pluginone"
221
self.assertPluginUnknown('pluginone')
222
self.assertPluginUnknown('plugintwo')
223
self.update_module_paths(['first', 'second'])
224
exec("import %spluginone" % self.module_prefix)
182
225
self.assertEqual(['first'], self.activeattributes[tempattribute])
183
exec "import bzrlib.plugins.plugintwo"
226
exec("import %splugintwo" % self.module_prefix)
184
227
self.assertEqual(['first', 'second'],
185
self.activeattributes[tempattribute])
228
self.activeattributes[tempattribute])
187
# remove the plugin 'plugin'
188
230
del self.activeattributes[tempattribute]
189
self._unregister_plugin('pluginone')
190
self._unregister_plugin('plugintwo')
191
self.assertPluginUnknown('pluginone')
192
self.assertPluginUnknown('plugintwo')
194
232
def test_plugins_can_load_from_directory_with_trailing_slash(self):
195
233
# This test tests that a plugin can load from a directory when the
197
235
# check the plugin is not loaded already
198
236
self.assertPluginUnknown('ts_plugin')
199
237
tempattribute = "trailing-slash"
200
self.failIf(tempattribute in self.activeattributes)
238
self.assertFalse(tempattribute in self.activeattributes)
201
239
# set a place for the plugin to record its loading, and at the same
202
240
# time validate that the location the plugin should record to is
203
241
# valid and correct.
204
bzrlib.tests.test_plugins.TestLoadingPlugins.activeattributes \
206
self.failUnless(tempattribute in self.activeattributes)
242
breezy.tests.test_plugins.TestLoadingPlugins.activeattributes[tempattribute] = [
244
self.assertTrue(tempattribute in self.activeattributes)
207
245
# create a directory for the plugin
208
246
os.mkdir('plugin_test')
209
247
# write a plugin that will record when its loaded in the
210
248
# tempattribute list.
211
template = ("from bzrlib.tests.test_plugins import TestLoadingPlugins\n"
249
template = ("from breezy.tests.test_plugins import TestLoadingPlugins\n"
212
250
"TestLoadingPlugins.activeattributes[%r].append('%s')\n")
214
outfile = open(os.path.join('plugin_test', 'ts_plugin.py'), 'w')
252
with open(os.path.join('plugin_test', 'ts_plugin.py'), 'w') as outfile:
216
253
outfile.write(template % (tempattribute, 'plugin'))
217
254
outfile.write('\n')
222
bzrlib.plugin.load_from_path(['plugin_test'+os.sep])
257
self.load_with_paths(['plugin_test' + os.sep])
223
258
self.assertEqual(['plugin'], self.activeattributes[tempattribute])
259
self.assertPluginKnown('ts_plugin')
225
261
del self.activeattributes[tempattribute]
226
self._unregister_plugin('ts_plugin')
227
self.assertPluginUnknown('ts_plugin')
229
263
def load_and_capture(self, name):
230
264
"""Load plugins from '.' capturing the output.
258
286
def test_plugin_with_bad_api_version_reports(self):
259
# This plugin asks for bzrlib api version 1.0.0, which is not supported
287
"""Try loading a plugin that requests an unsupported api.
289
Observe that it records the problem but doesn't complain on stderr.
291
See https://bugs.launchpad.net/bzr/+bug/704195
261
293
name = 'wants100.py'
264
f.write("import bzrlib.api\n"
265
"bzrlib.api.require_any_api(bzrlib, [(1, 0, 0)])\n")
294
with open(name, 'w') as f:
295
f.write("import breezy\n"
296
"from breezy.errors import IncompatibleVersion\n"
297
"raise IncompatibleVersion(breezy, [(1, 0, 0)], (0, 0, 5))\n")
269
298
log = self.load_and_capture(name)
270
self.assertContainsRe(log,
271
r"It requested API version")
299
self.assertNotContainsRe(log,
300
r"It supports breezy version")
301
self.assertEqual({'wants100'}, self.plugin_warnings.keys())
302
self.assertContainsRe(
303
self.plugin_warnings['wants100'][0],
304
r"It supports breezy version")
273
306
def test_plugin_with_bad_name_does_not_load(self):
274
307
# The file name here invalid for a python module.
275
name = 'bzr-bad plugin-name..py'
276
file(name, 'w').close()
308
name = 'brz-bad plugin-name..py'
309
open(name, 'w').close()
277
310
log = self.load_and_capture(name)
278
311
self.assertContainsRe(log,
279
r"Unable to load 'bzr-bad plugin-name\.' in '\.' as a plugin "
280
"because the file path isn't a valid module name; try renaming "
281
"it to 'bad_plugin_name_'\.")
284
class TestPlugins(tests.TestCaseInTempDir, TestPluginMixin):
312
r"Unable to load 'brz-bad plugin-name\.' in '\.' as a plugin "
313
"because the file path isn't a valid module name; try renaming "
314
"it to 'bad_plugin_name_'\\.")
317
class TestPlugins(BaseTestPlugins):
286
319
def setup_plugin(self, source=""):
287
# This test tests a new plugin appears in bzrlib.plugin.plugins().
320
# This test tests a new plugin appears in breezy.plugin.plugins().
288
321
# check the plugin is not loaded already
289
322
self.assertPluginUnknown('plugin')
290
323
# write a plugin that _cannot_ fail to load.
291
file('plugin.py', 'w').write(source + '\n')
292
self.addCleanup(self.teardown_plugin)
293
plugin.load_from_path(['.'])
295
def teardown_plugin(self):
296
self._unregister_plugin('plugin')
297
self.assertPluginUnknown('plugin')
324
with open('plugin.py', 'w') as f:
325
f.write(source + '\n')
326
self.load_with_paths(['.'])
328
def test_plugin_loaded(self):
329
self.assertPluginUnknown('plugin')
330
self.assertIs(None, breezy.plugin.get_loaded_plugin('plugin'))
332
p = breezy.plugin.get_loaded_plugin('plugin')
333
self.assertIsInstance(p, breezy.plugin.PlugIn)
334
self.assertIs(p.module, sys.modules[self.module_prefix + 'plugin'])
336
def test_plugin_loaded_disabled(self):
337
self.assertPluginUnknown('plugin')
338
self.overrideEnv('BRZ_DISABLE_PLUGINS', 'plugin')
340
self.assertIs(None, breezy.plugin.get_loaded_plugin('plugin'))
299
342
def test_plugin_appears_in_plugins(self):
300
343
self.setup_plugin()
301
344
self.assertPluginKnown('plugin')
302
p = plugin.plugins()['plugin']
303
self.assertIsInstance(p, bzrlib.plugin.PlugIn)
304
self.assertEqual(p.module, plugins.plugin)
345
p = self.plugins['plugin']
346
self.assertIsInstance(p, breezy.plugin.PlugIn)
347
self.assertIs(p.module, sys.modules[self.module_prefix + 'plugin'])
306
349
def test_trivial_plugin_get_path(self):
307
350
self.setup_plugin()
308
p = plugin.plugins()['plugin']
351
p = self.plugins['plugin']
309
352
plugin_path = self.test_dir + '/plugin.py'
310
353
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
312
355
def test_plugin_get_path_py_not_pyc(self):
313
356
# first import creates plugin.pyc
314
357
self.setup_plugin()
315
self.teardown_plugin()
316
plugin.load_from_path(['.']) # import plugin.pyc
358
self.promote_cache(self.test_dir)
360
self.load_with_paths(['.']) # import plugin.pyc
317
361
p = plugin.plugins()['plugin']
318
362
plugin_path = self.test_dir + '/plugin.py'
319
363
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
381
423
def test_no_version_info___version__(self):
382
424
self.setup_plugin()
383
plugin = bzrlib.plugin.plugins()['plugin']
425
plugin = breezy.plugin.plugins()['plugin']
384
426
self.assertEqual("unknown", plugin.__version__)
386
428
def test_str__version__with_version_info(self):
387
429
self.setup_plugin("version_info = '1.2.3'")
388
plugin = bzrlib.plugin.plugins()['plugin']
430
plugin = breezy.plugin.plugins()['plugin']
389
431
self.assertEqual("1.2.3", plugin.__version__)
391
433
def test_noniterable__version__with_version_info(self):
392
434
self.setup_plugin("version_info = (1)")
393
plugin = bzrlib.plugin.plugins()['plugin']
435
plugin = breezy.plugin.plugins()['plugin']
394
436
self.assertEqual("1", plugin.__version__)
396
438
def test_1__version__with_version_info(self):
397
439
self.setup_plugin("version_info = (1,)")
398
plugin = bzrlib.plugin.plugins()['plugin']
440
plugin = breezy.plugin.plugins()['plugin']
399
441
self.assertEqual("1", plugin.__version__)
401
443
def test_1_2__version__with_version_info(self):
402
444
self.setup_plugin("version_info = (1, 2)")
403
plugin = bzrlib.plugin.plugins()['plugin']
445
plugin = breezy.plugin.plugins()['plugin']
404
446
self.assertEqual("1.2", plugin.__version__)
406
448
def test_1_2_3__version__with_version_info(self):
407
449
self.setup_plugin("version_info = (1, 2, 3)")
408
plugin = bzrlib.plugin.plugins()['plugin']
450
plugin = breezy.plugin.plugins()['plugin']
409
451
self.assertEqual("1.2.3", plugin.__version__)
411
453
def test_candidate__version__with_version_info(self):
412
454
self.setup_plugin("version_info = (1, 2, 3, 'candidate', 1)")
413
plugin = bzrlib.plugin.plugins()['plugin']
455
plugin = breezy.plugin.plugins()['plugin']
414
456
self.assertEqual("1.2.3rc1", plugin.__version__)
416
458
def test_dev__version__with_version_info(self):
417
459
self.setup_plugin("version_info = (1, 2, 3, 'dev', 0)")
418
plugin = bzrlib.plugin.plugins()['plugin']
460
plugin = breezy.plugin.plugins()['plugin']
419
461
self.assertEqual("1.2.3dev", plugin.__version__)
421
463
def test_dev_fallback__version__with_version_info(self):
422
464
self.setup_plugin("version_info = (1, 2, 3, 'dev', 4)")
423
plugin = bzrlib.plugin.plugins()['plugin']
465
plugin = breezy.plugin.plugins()['plugin']
424
466
self.assertEqual("1.2.3dev4", plugin.__version__)
426
468
def test_final__version__with_version_info(self):
427
469
self.setup_plugin("version_info = (1, 2, 3, 'final', 0)")
428
plugin = bzrlib.plugin.plugins()['plugin']
470
plugin = breezy.plugin.plugins()['plugin']
429
471
self.assertEqual("1.2.3", plugin.__version__)
431
473
def test_final_fallback__version__with_version_info(self):
432
474
self.setup_plugin("version_info = (1, 2, 3, 'final', 2)")
433
plugin = bzrlib.plugin.plugins()['plugin']
434
self.assertEqual("1.2.3.final.2", plugin.__version__)
437
class TestPluginHelp(tests.TestCaseInTempDir):
439
def split_help_commands(self):
442
out, err = self.run_bzr('--no-plugins help commands')
443
for line in out.splitlines():
444
if not line.startswith(' '):
445
current = line.split()[0]
446
help[current] = help.get(current, '') + line
450
def test_plugin_help_builtins_unaffected(self):
451
# Check we don't get false positives
452
help_commands = self.split_help_commands()
453
for cmd_name in bzrlib.commands.builtin_command_names():
454
if cmd_name in bzrlib.commands.plugin_command_names():
457
help = bzrlib.commands.get_cmd_object(cmd_name).get_help_text()
458
except NotImplementedError:
459
# some commands have no help
462
self.assertNotContainsRe(help, 'plugin "[^"]*"')
464
if cmd_name in help_commands.keys():
465
# some commands are hidden
466
help = help_commands[cmd_name]
467
self.assertNotContainsRe(help, 'plugin "[^"]*"')
469
def test_plugin_help_shows_plugin(self):
470
# Create a test plugin
471
os.mkdir('plugin_test')
472
f = open(osutils.pathjoin('plugin_test', 'myplug.py'), 'w')
474
from bzrlib import commands
475
class cmd_myplug(commands.Command):
476
__doc__ = '''Just a simple test plugin.'''
479
print 'Hello from my plugin'
487
bzrlib.plugin.load_from_path(['plugin_test'])
488
bzrlib.commands.register_command( bzrlib.plugins.myplug.cmd_myplug)
489
help = self.run_bzr('help myplug')[0]
490
self.assertContainsRe(help, 'plugin "myplug"')
491
help = self.split_help_commands()['myplug']
492
self.assertContainsRe(help, '\[myplug\]')
495
if 'myplug' in bzrlib.commands.plugin_cmds:
496
bzrlib.commands.plugin_cmds.remove('myplug')
497
# remove the plugin 'myplug'
498
if getattr(bzrlib.plugins, 'myplug', None):
499
delattr(bzrlib.plugins, 'myplug')
475
plugin = breezy.plugin.plugins()['plugin']
476
self.assertEqual("1.2.3.2", plugin.__version__)
502
479
class TestHelpIndex(tests.TestCase):
575
552
mod = FakeModule(None, 'demo')
576
553
topic = plugin.ModuleHelpTopic(mod)
577
554
self.assertEqual("Plugin 'demo' has no docstring.\n",
578
topic.get_help_text())
555
topic.get_help_text())
580
557
def test_get_help_text_no_carriage_return(self):
581
558
"""ModuleHelpTopic.get_help_text adds a \n if needed."""
582
559
mod = FakeModule('one line of help', 'demo')
583
560
topic = plugin.ModuleHelpTopic(mod)
584
561
self.assertEqual("one line of help\n",
585
topic.get_help_text())
562
topic.get_help_text())
587
564
def test_get_help_text_carriage_return(self):
588
565
"""ModuleHelpTopic.get_help_text adds a \n if needed."""
589
566
mod = FakeModule('two lines of help\nand more\n', 'demo')
590
567
topic = plugin.ModuleHelpTopic(mod)
591
568
self.assertEqual("two lines of help\nand more\n",
592
topic.get_help_text())
569
topic.get_help_text())
594
571
def test_get_help_text_with_additional_see_also(self):
595
572
mod = FakeModule('two lines of help\nand more', 'demo')
596
573
topic = plugin.ModuleHelpTopic(mod)
597
self.assertEqual("two lines of help\nand more\nSee also: bar, foo\n",
575
"two lines of help\nand more\n\n:See also: bar, foo\n",
598
576
topic.get_help_text(['foo', 'bar']))
600
578
def test_get_help_topic(self):
601
579
"""The help topic for a plugin is its module name."""
602
mod = FakeModule('two lines of help\nand more', 'bzrlib.plugins.demo')
580
mod = FakeModule('two lines of help\nand more', 'breezy.plugins.demo')
603
581
topic = plugin.ModuleHelpTopic(mod)
604
582
self.assertEqual('demo', topic.get_help_topic())
605
mod = FakeModule('two lines of help\nand more', 'bzrlib.plugins.foo_bar')
583
mod = FakeModule('two lines of help\nand more',
584
'breezy.plugins.foo_bar')
606
585
topic = plugin.ModuleHelpTopic(mod)
607
586
self.assertEqual('foo_bar', topic.get_help_topic())
610
class TestLoadFromPath(tests.TestCaseInTempDir):
613
super(TestLoadFromPath, self).setUp()
614
# Change bzrlib.plugin to think no plugins have been loaded yet.
615
self.overrideAttr(bzrlib.plugins, '__path__', [])
616
self.overrideAttr(plugin, '_loaded', False)
618
# Monkey-patch load_from_path to stop it from actually loading anything.
619
self.overrideAttr(plugin, 'load_from_path', lambda dirs: None)
621
def test_set_plugins_path_with_args(self):
622
plugin.set_plugins_path(['a', 'b'])
623
self.assertEqual(['a', 'b'], bzrlib.plugins.__path__)
625
def test_set_plugins_path_defaults(self):
626
plugin.set_plugins_path()
627
self.assertEqual(plugin.get_standard_plugins_path(),
628
bzrlib.plugins.__path__)
630
def test_get_standard_plugins_path(self):
631
path = plugin.get_standard_plugins_path()
632
for directory in path:
633
self.assertNotContainsRe(directory, r'\\/$')
635
from distutils.sysconfig import get_python_lib
639
if sys.platform != 'win32':
640
python_lib = get_python_lib()
641
for directory in path:
642
if directory.startswith(python_lib):
645
self.fail('No path to global plugins')
647
def test_get_standard_plugins_path_env(self):
648
os.environ['BZR_PLUGIN_PATH'] = 'foo/'
649
path = plugin.get_standard_plugins_path()
650
for directory in path:
651
self.assertNotContainsRe(directory, r'\\/$')
653
def test_load_plugins(self):
654
plugin.load_plugins(['.'])
655
self.assertEqual(bzrlib.plugins.__path__, ['.'])
656
# subsequent loads are no-ops
657
plugin.load_plugins(['foo'])
658
self.assertEqual(bzrlib.plugins.__path__, ['.'])
660
def test_load_plugins_default(self):
661
plugin.load_plugins()
662
path = plugin.get_standard_plugins_path()
663
self.assertEqual(path, bzrlib.plugins.__path__)
666
589
class TestEnvPluginPath(tests.TestCase):
669
super(TestEnvPluginPath, self).setUp()
670
self.overrideAttr(plugin, 'DEFAULT_PLUGIN_PATH', None)
672
self.user = plugin.get_user_plugin_path()
673
self.site = plugin.get_site_plugin_path()
674
self.core = plugin.get_core_plugin_path()
676
def _list2paths(self, *args):
679
plugin._append_new_path(paths, p)
682
def _set_path(self, *args):
683
path = os.pathsep.join(self._list2paths(*args))
684
osutils.set_or_unset_env('BZR_PLUGIN_PATH', path)
594
entrypoints = "ENTRYPOINTS"
686
596
def check_path(self, expected_dirs, setting_dirs):
688
self._set_path(*setting_dirs)
689
actual = plugin.get_standard_plugins_path()
690
self.assertEquals(self._list2paths(*expected_dirs), actual)
597
if setting_dirs is None:
598
del os.environ['BRZ_PLUGIN_PATH']
600
os.environ['BRZ_PLUGIN_PATH'] = os.pathsep.join(setting_dirs)
601
actual = [(p if t == 'path' else t.upper())
602
for p, t in plugin._env_plugin_path()]
603
self.assertEqual(expected_dirs, actual)
692
605
def test_default(self):
693
self.check_path([self.user, self.core, self.site],
606
self.check_path([self.user, self.core, self.site], None)
696
608
def test_adhoc_policy(self):
697
609
self.check_path([self.user, self.core, self.site],
757
675
['+foo', '-bar'])
760
class TestDisablePlugin(tests.TestCaseInTempDir, TestPluginMixin):
763
super(TestDisablePlugin, self).setUp()
764
self.create_plugin_package('test_foo')
765
# Make sure we don't pollute the plugins namespace
766
self.overrideAttr(plugins, '__path__')
767
# Be paranoid in case a test fail
768
self.addCleanup(self._unregister_plugin, 'test_foo')
678
class TestDisablePlugin(BaseTestPlugins):
770
680
def test_cannot_import(self):
771
osutils.set_or_unset_env('BZR_DISABLE_PLUGINS', 'test_foo')
772
plugin.set_plugins_path(['.'])
681
self.create_plugin_package('works')
682
self.create_plugin_package('fails')
683
self.overrideEnv('BRZ_DISABLE_PLUGINS', 'fails')
684
self.update_module_paths(["."])
685
import breezy.testingplugins.works as works
774
import bzrlib.plugins.test_foo
687
import breezy.testingplugins.fails as fails
775
688
except ImportError:
777
self.assertPluginUnknown('test_foo')
779
def test_regular_load(self):
780
self.overrideAttr(plugin, '_loaded', False)
781
plugin.load_plugins(['.'])
782
self.assertPluginKnown('test_foo')
783
self.assertDocstring("This is the doc for test_foo",
784
bzrlib.plugins.test_foo)
786
def test_not_loaded(self):
788
def captured_warning(*args, **kwargs):
789
self.warnings.append((args, kwargs))
790
self.overrideAttr(trace, 'warning', captured_warning)
791
# Reset the flag that protect against double loading
792
self.overrideAttr(plugin, '_loaded', False)
793
osutils.set_or_unset_env('BZR_DISABLE_PLUGINS', 'test_foo')
794
plugin.load_plugins(['.'])
795
self.assertPluginUnknown('test_foo')
796
# Make sure we don't warn about the plugin ImportError since this has
797
# been *requested* by the user.
798
self.assertLength(0, self.warnings)
801
class TestLoadPluginAt(tests.TestCaseInTempDir, TestPluginMixin):
691
self.fail("Loaded blocked plugin: " + repr(fails))
692
self.assertPluginModules({'fails': None, 'works': works})
694
def test_partial_imports(self):
695
self.create_plugin('good')
696
self.create_plugin('bad')
697
self.create_plugin_package('ugly')
698
self.overrideEnv('BRZ_DISABLE_PLUGINS', 'bad:ugly')
699
self.load_with_paths(['.'])
700
self.assertEqual({'good'}, self.plugins.keys())
701
self.assertPluginModules({
702
'good': self.plugins['good'].module,
706
# Ensure there are no warnings about plugins not being imported as
707
# the user has explictly requested they be disabled.
708
self.assertNotContainsRe(self.get_log(), r"Unable to load plugin")
711
class TestEnvDisablePlugins(tests.TestCase):
713
def _get_names(self, env_value):
714
os.environ['BRZ_DISABLE_PLUGINS'] = env_value
715
return plugin._env_disable_plugins()
717
def test_unset(self):
718
self.assertEqual([], plugin._env_disable_plugins())
720
def test_empty(self):
721
self.assertEqual([], self._get_names(''))
723
def test_single(self):
724
self.assertEqual(['single'], self._get_names('single'))
726
def test_multi(self):
727
expected = ['one', 'two']
728
self.assertEqual(expected, self._get_names(os.pathsep.join(expected)))
730
def test_mixed(self):
731
value = os.pathsep.join(['valid', 'in-valid'])
732
self.assertEqual(['valid'], self._get_names(value))
733
self.assertContainsRe(
735
r"Invalid name 'in-valid' in BRZ_DISABLE_PLUGINS=" + repr(value))
738
class TestEnvPluginsAt(tests.TestCase):
740
def _get_paths(self, env_value):
741
os.environ['BRZ_PLUGINS_AT'] = env_value
742
return plugin._env_plugins_at()
744
def test_empty(self):
745
self.assertEqual([], plugin._env_plugins_at())
746
self.assertEqual([], self._get_paths(''))
748
def test_one_path(self):
749
self.assertEqual([('b', 'man')], self._get_paths('b@man'))
751
def test_multiple(self):
753
[('tools', 'bzr-tools'), ('p', 'play.py')],
754
self._get_paths(os.pathsep.join(('tools@bzr-tools', 'p@play.py'))))
756
def test_many_at(self):
758
[('church', 'StMichael@Plea@Norwich')],
759
self._get_paths('church@StMichael@Plea@Norwich'))
761
def test_only_py(self):
762
self.assertEqual([('test', './test.py')], self._get_paths('./test.py'))
764
def test_only_package(self):
765
self.assertEqual([('py', '/opt/b/py')], self._get_paths('/opt/b/py'))
767
def test_bad_name(self):
768
self.assertEqual([], self._get_paths('/usr/local/bzr-git'))
769
self.assertContainsRe(
771
r"Invalid name 'bzr-git' in BRZ_PLUGINS_AT='/usr/local/bzr-git'")
774
class TestLoadPluginAt(BaseTestPlugins):
804
777
super(TestLoadPluginAt, self).setUp()
805
# Make sure we don't pollute the plugins namespace
806
self.overrideAttr(plugins, '__path__')
807
# Be paranoid in case a test fail
808
self.addCleanup(self._unregister_plugin, 'test_foo')
809
# Reset the flag that protect against double loading
810
self.overrideAttr(plugin, '_loaded', False)
811
778
# Create the same plugin in two directories
812
779
self.create_plugin_package('test_foo', dir='non-standard-dir')
813
780
# The "normal" directory, we use 'standard' instead of 'plugins' to
817
784
def assertTestFooLoadedFrom(self, path):
818
785
self.assertPluginKnown('test_foo')
819
786
self.assertDocstring('This is the doc for test_foo',
820
bzrlib.plugins.test_foo)
821
self.assertEqual(path, bzrlib.plugins.test_foo.dir_source)
787
self.module.test_foo)
788
self.assertEqual(path, self.module.test_foo.dir_source)
823
790
def test_regular_load(self):
824
plugin.load_plugins(['standard'])
791
self.load_with_paths(['standard'])
825
792
self.assertTestFooLoadedFrom('standard/test_foo')
827
794
def test_import(self):
828
osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
829
plugin.set_plugins_path(['standard'])
831
import bzrlib.plugins.test_foo
795
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@non-standard-dir')
796
self.update_module_paths(['standard'])
797
import breezy.testingplugins.test_foo
834
798
self.assertTestFooLoadedFrom('non-standard-dir')
836
800
def test_loading(self):
837
osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
838
plugin.load_plugins(['standard'])
801
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@non-standard-dir')
802
self.load_with_paths(['standard'])
803
self.assertTestFooLoadedFrom('non-standard-dir')
805
def test_loading_other_name(self):
806
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@non-standard-dir')
807
os.rename('standard/test_foo', 'standard/test_bar')
808
self.load_with_paths(['standard'])
839
809
self.assertTestFooLoadedFrom('non-standard-dir')
841
811
def test_compiled_loaded(self):
842
osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
843
plugin.load_plugins(['standard'])
812
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@non-standard-dir')
813
self.load_with_paths(['standard'])
844
814
self.assertTestFooLoadedFrom('non-standard-dir')
845
self.assertEqual('non-standard-dir/__init__.py',
846
bzrlib.plugins.test_foo.__file__)
815
self.assertIsSameRealPath('non-standard-dir/__init__.py',
816
self.module.test_foo.__file__)
848
818
# Try importing again now that the source has been compiled
849
self._unregister_plugin('test_foo')
850
plugin._loaded = False
851
plugin.load_plugins(['standard'])
819
os.remove('non-standard-dir/__init__.py')
820
self.promote_cache('non-standard-dir')
822
self.load_with_paths(['standard'])
852
823
self.assertTestFooLoadedFrom('non-standard-dir')
857
self.assertEqual('non-standard-dir/__init__.%s' % suffix,
858
bzrlib.plugins.test_foo.__file__)
824
suffix = plugin.COMPILED_EXT
825
self.assertIsSameRealPath('non-standard-dir/__init__' + suffix,
826
self.module.test_foo.__file__)
860
828
def test_submodule_loading(self):
861
829
# We create an additional directory under the one for test_foo
862
830
self.create_plugin_package('test_bar', dir='non-standard-dir/test_bar')
863
osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
864
plugin.set_plugins_path(['standard'])
865
import bzrlib.plugins.test_foo
866
self.assertEqual('bzrlib.plugins.test_foo',
867
bzrlib.plugins.test_foo.__package__)
868
import bzrlib.plugins.test_foo.test_bar
869
self.assertEqual('non-standard-dir/test_bar/__init__.py',
870
bzrlib.plugins.test_foo.test_bar.__file__)
831
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@non-standard-dir')
832
self.update_module_paths(['standard'])
833
import breezy.testingplugins.test_foo # noqa: F401
834
self.assertEqual(self.module_prefix + 'test_foo',
835
self.module.test_foo.__package__)
836
import breezy.testingplugins.test_foo.test_bar # noqa: F401
837
self.assertIsSameRealPath('non-standard-dir/test_bar/__init__.py',
838
self.module.test_foo.test_bar.__file__)
840
def test_relative_submodule_loading(self):
841
self.create_plugin_package('test_foo', dir='another-dir', source='''
842
from . import test_bar
844
# We create an additional directory under the one for test_foo
845
self.create_plugin_package('test_bar', dir='another-dir/test_bar')
846
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@another-dir')
847
self.update_module_paths(['standard'])
848
import breezy.testingplugins.test_foo # noqa: F401
849
self.assertEqual(self.module_prefix + 'test_foo',
850
self.module.test_foo.__package__)
851
self.assertIsSameRealPath('another-dir/test_bar/__init__.py',
852
self.module.test_foo.test_bar.__file__)
872
854
def test_loading_from___init__only(self):
873
855
# We rename the existing __init__.py file to ensure that we don't load
890
871
''' % ('test_foo', plugin_path)
891
872
self.create_plugin('test_foo', source=source,
892
873
dir=plugin_dir, file_name=plugin_file_name)
893
osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@%s' % plugin_path)
894
plugin.load_plugins(['standard'])
874
self.overrideEnv('BRZ_PLUGINS_AT', 'test_foo@%s' % plugin_path)
875
self.load_with_paths(['standard'])
895
876
self.assertTestFooLoadedFrom(plugin_path)
879
class TestDescribePlugins(BaseTestPlugins):
881
def test_describe_plugins(self):
882
class DummyModule(object):
885
class DummyPlugin(object):
886
__version__ = '0.1.0'
887
module = DummyModule()
888
self.plugin_warnings = {'bad': ['Failed to load (just testing)']}
889
self.plugins = {'good': DummyPlugin()}
890
self.assertEqual("""\
892
** Failed to load (just testing)
897
""", ''.join(plugin.describe_plugins(state=self)))
900
class DummyPlugin(object):
904
class TestLoadEnvPlugin(BaseTestPlugins):
906
_test_needs_features = [pkg_resources_feature]
908
def setup_plugin(self, source=""):
909
# This test tests a new plugin appears in breezy.plugin.plugins().
910
# check the plugin is not loaded already
911
self.assertPluginUnknown('plugin')
912
# write a plugin that _cannot_ fail to load.
914
d = pkg_resources.Distribution(__file__)
915
ep = pkg_resources.EntryPoint.parse(
916
'plugin = ' + __name__ + ':DummyPlugin', dist=d)
917
d._ep_map = {'breezy.plugin': {'plugin': ep}}
918
pkg_resources.working_set.add(d, 'plugin', replace=True)
919
eps = list(pkg_resources.iter_entry_points('breezy.plugin'))
920
self.assertEqual(['plugin'], [ep.name for ep in eps])
921
self.load_with_paths(['.'])
922
self.addCleanup(d._ep_map.clear)
924
def test_plugin_loaded(self):
925
self.assertPluginUnknown('plugin')
926
self.overrideEnv('BRZ_PLUGIN_PATH', '+entrypoints')
928
p = self.plugins['plugin']
929
self.assertIsInstance(p, breezy.plugin.PlugIn)
930
self.assertIs(p.module, sys.modules[self.module_prefix + 'plugin'])
932
def test_plugin_loaded_disabled(self):
933
self.assertPluginUnknown('plugin')
934
self.overrideEnv('BRZ_PLUGIN_PATH', '+entrypoints')
935
self.overrideEnv('BRZ_DISABLE_PLUGINS', 'plugin')
937
self.assertNotIn('plugin', self.plugins)