20
20
# affects the global state of the process. See bzrlib/plugins.py for more
23
from cStringIO import StringIO
25
from StringIO import StringIO
29
from bzrlib import plugin, tests
32
import bzrlib.commands
34
from bzrlib.symbol_versioning import one_three
35
from bzrlib.tests import (
40
from bzrlib.osutils import pathjoin, abspath, normpath
44
import bzrlib.commands
45
class cmd_myplug(bzrlib.commands.Command):
46
'''Just a simple test plugin.'''
49
print 'Hello from my plugin'
38
52
# TODO: Write a test for plugin decoration of commands.
40
class TestPluginMixin(object):
42
def create_plugin(self, name, source=None, dir='.', file_name=None):
45
"""This is the doc for %s"""
48
file_name = name + '.py'
49
# 'source' must not fail to load
50
path = osutils.pathjoin(dir, file_name)
52
self.addCleanup(os.unlink, path)
54
f.write(source + '\n')
58
def create_plugin_package(self, name, dir=None, source=None):
63
"""This is the doc for %s"""
68
# Workaround lazy import random? madness
70
self.addCleanup(cleanup)
71
self.create_plugin(name, source, dir,
72
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)
82
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)
86
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):
54
class TestLoadingPlugins(TestCaseInTempDir):
93
56
activeattributes = {}
281
248
"it to 'bad_plugin_name_'\.")
284
class TestPlugins(tests.TestCaseInTempDir, TestPluginMixin):
251
class TestPlugins(TestCaseInTempDir):
286
253
def setup_plugin(self, source=""):
287
254
# This test tests a new plugin appears in bzrlib.plugin.plugins().
288
255
# check the plugin is not loaded already
289
self.assertPluginUnknown('plugin')
256
self.failIf(getattr(bzrlib.plugins, 'plugin', None))
290
257
# write a plugin that _cannot_ fail to load.
291
258
file('plugin.py', 'w').write(source + '\n')
292
259
self.addCleanup(self.teardown_plugin)
293
plugin.load_from_path(['.'])
260
bzrlib.plugin.load_from_path(['.'])
295
262
def teardown_plugin(self):
296
self._unregister_plugin('plugin')
297
self.assertPluginUnknown('plugin')
263
# remove the plugin 'plugin'
264
if 'bzrlib.plugins.plugin' in sys.modules:
265
del sys.modules['bzrlib.plugins.plugin']
266
if getattr(bzrlib.plugins, 'plugin', None):
267
del bzrlib.plugins.plugin
268
self.failIf(getattr(bzrlib.plugins, 'plugin', None))
299
270
def test_plugin_appears_in_plugins(self):
300
271
self.setup_plugin()
301
self.assertPluginKnown('plugin')
302
p = plugin.plugins()['plugin']
303
self.assertIsInstance(p, bzrlib.plugin.PlugIn)
304
self.assertEqual(p.module, plugins.plugin)
272
self.failUnless('plugin' in bzrlib.plugin.plugins())
273
self.failUnless(getattr(bzrlib.plugins, 'plugin', None))
274
plugins = bzrlib.plugin.plugins()
275
plugin = plugins['plugin']
276
self.assertIsInstance(plugin, bzrlib.plugin.PlugIn)
277
self.assertEqual(bzrlib.plugins.plugin, plugin.module)
306
279
def test_trivial_plugin_get_path(self):
307
280
self.setup_plugin()
308
p = plugin.plugins()['plugin']
281
plugins = bzrlib.plugin.plugins()
282
plugin = plugins['plugin']
309
283
plugin_path = self.test_dir + '/plugin.py'
310
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
284
self.assertIsSameRealPath(plugin_path, normpath(plugin.path()))
312
286
def test_plugin_get_path_py_not_pyc(self):
313
# first import creates plugin.pyc
287
self.setup_plugin() # after first import there will be plugin.pyc
315
288
self.teardown_plugin()
316
plugin.load_from_path(['.']) # import plugin.pyc
317
p = plugin.plugins()['plugin']
289
bzrlib.plugin.load_from_path(['.']) # import plugin.pyc
290
plugins = bzrlib.plugin.plugins()
291
plugin = plugins['plugin']
318
292
plugin_path = self.test_dir + '/plugin.py'
319
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
293
self.assertIsSameRealPath(plugin_path, normpath(plugin.path()))
321
295
def test_plugin_get_path_pyc_only(self):
322
# first import creates plugin.pyc (or plugin.pyo depending on __debug__)
296
self.setup_plugin() # after first import there will be plugin.pyc
324
297
self.teardown_plugin()
325
298
os.unlink(self.test_dir + '/plugin.py')
326
plugin.load_from_path(['.']) # import plugin.pyc (or .pyo)
327
p = plugin.plugins()['plugin']
299
bzrlib.plugin.load_from_path(['.']) # import plugin.pyc
300
plugins = bzrlib.plugin.plugins()
301
plugin = plugins['plugin']
329
303
plugin_path = self.test_dir + '/plugin.pyc'
331
305
plugin_path = self.test_dir + '/plugin.pyo'
332
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
306
self.assertIsSameRealPath(plugin_path, normpath(plugin.path()))
334
308
def test_no_test_suite_gives_None_for_test_suite(self):
335
309
self.setup_plugin()
336
p = plugin.plugins()['plugin']
337
self.assertEqual(None, p.test_suite())
310
plugin = bzrlib.plugin.plugins()['plugin']
311
self.assertEqual(None, plugin.test_suite())
339
313
def test_test_suite_gives_test_suite_result(self):
340
314
source = """def test_suite(): return 'foo'"""
341
315
self.setup_plugin(source)
342
p = plugin.plugins()['plugin']
343
self.assertEqual('foo', p.test_suite())
316
plugin = bzrlib.plugin.plugins()['plugin']
317
self.assertEqual('foo', plugin.test_suite())
345
319
def test_no_load_plugin_tests_gives_None_for_load_plugin_tests(self):
346
320
self.setup_plugin()
347
loader = tests.TestUtil.TestLoader()
348
p = plugin.plugins()['plugin']
349
self.assertEqual(None, p.load_plugin_tests(loader))
321
loader = TestUtil.TestLoader()
322
plugin = bzrlib.plugin.plugins()['plugin']
323
self.assertEqual(None, plugin.load_plugin_tests(loader))
351
325
def test_load_plugin_tests_gives_load_plugin_tests_result(self):
353
327
def load_tests(standard_tests, module, loader):
355
329
self.setup_plugin(source)
356
loader = tests.TestUtil.TestLoader()
357
p = plugin.plugins()['plugin']
358
self.assertEqual('foo', p.load_plugin_tests(loader))
360
def check_version_info(self, expected, source='', name='plugin'):
361
self.setup_plugin(source)
362
self.assertEqual(expected, plugin.plugins()[name].version_info())
330
loader = TestUtil.TestLoader()
331
plugin = bzrlib.plugin.plugins()['plugin']
332
self.assertEqual('foo', plugin.load_plugin_tests(loader))
364
334
def test_no_version_info(self):
365
self.check_version_info(None)
336
plugin = bzrlib.plugin.plugins()['plugin']
337
self.assertEqual(None, plugin.version_info())
367
339
def test_with_version_info(self):
368
self.check_version_info((1, 2, 3, 'dev', 4),
369
"version_info = (1, 2, 3, 'dev', 4)")
340
self.setup_plugin("version_info = (1, 2, 3, 'dev', 4)")
341
plugin = bzrlib.plugin.plugins()['plugin']
342
self.assertEqual((1, 2, 3, 'dev', 4), plugin.version_info())
371
344
def test_short_version_info_gets_padded(self):
372
345
# the gtk plugin has version_info = (1,2,3) rather than the 5-tuple.
374
self.check_version_info((1, 2, 3, 'final', 0),
375
"version_info = (1, 2, 3)")
377
def check_version(self, expected, source=None, name='plugin'):
378
self.setup_plugin(source)
379
self.assertEqual(expected, plugins[name].__version__)
347
self.setup_plugin("version_info = (1, 2, 3)")
348
plugin = bzrlib.plugin.plugins()['plugin']
349
self.assertEqual((1, 2, 3, 'final', 0), plugin.version_info())
381
351
def test_no_version_info___version__(self):
382
352
self.setup_plugin()
499
455
delattr(bzrlib.plugins, 'myplug')
458
class TestPluginFromZip(TestCaseInTempDir):
460
def make_zipped_plugin(self, zip_name, filename):
461
z = zipfile.ZipFile(zip_name, 'w')
462
z.writestr(filename, PLUGIN_TEXT)
465
def check_plugin_load(self, zip_name, plugin_name):
466
self.assertFalse(plugin_name in dir(bzrlib.plugins),
467
'Plugin already loaded')
468
old_path = bzrlib.plugins.__path__
470
# this is normally done by load_plugins -> set_plugins_path
471
bzrlib.plugins.__path__ = [zip_name]
472
self.applyDeprecated(one_three,
473
bzrlib.plugin.load_from_zip, zip_name)
474
self.assertTrue(plugin_name in dir(bzrlib.plugins),
475
'Plugin is not loaded')
478
if getattr(bzrlib.plugins, plugin_name, None):
479
delattr(bzrlib.plugins, plugin_name)
480
del sys.modules['bzrlib.plugins.' + plugin_name]
481
bzrlib.plugins.__path__ = old_path
483
def test_load_module(self):
484
self.make_zipped_plugin('./test.zip', 'ziplug.py')
485
self.check_plugin_load('./test.zip', 'ziplug')
487
def test_load_package(self):
488
self.make_zipped_plugin('./test.zip', 'ziplug/__init__.py')
489
self.check_plugin_load('./test.zip', 'ziplug')
492
class TestSetPluginsPath(TestCase):
494
def test_set_plugins_path(self):
495
"""set_plugins_path should set the module __path__ correctly."""
496
old_path = bzrlib.plugins.__path__
498
bzrlib.plugins.__path__ = []
499
expected_path = bzrlib.plugin.set_plugins_path()
500
self.assertEqual(expected_path, bzrlib.plugins.__path__)
502
bzrlib.plugins.__path__ = old_path
504
def test_set_plugins_path_with_trailing_slashes(self):
505
"""set_plugins_path should set the module __path__ based on
506
BZR_PLUGIN_PATH after removing all trailing slashes."""
507
old_path = bzrlib.plugins.__path__
508
old_env = os.environ.get('BZR_PLUGIN_PATH')
510
bzrlib.plugins.__path__ = []
511
os.environ['BZR_PLUGIN_PATH'] = "first\\//\\" + os.pathsep + \
513
bzrlib.plugin.set_plugins_path()
514
# We expect our nominated paths to have all path-seps removed,
515
# and this is testing only that.
516
expected_path = ['first', 'second']
517
self.assertEqual(expected_path,
518
bzrlib.plugins.__path__[:len(expected_path)])
520
bzrlib.plugins.__path__ = old_path
521
if old_env is not None:
522
os.environ['BZR_PLUGIN_PATH'] = old_env
524
del os.environ['BZR_PLUGIN_PATH']
502
527
class TestHelpIndex(tests.TestCase):
503
528
"""Tests for the PluginsHelpIndex class."""
607
632
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)
635
def clear_plugins(test_case):
636
# Save the attributes that we're about to monkey-patch.
637
old_plugins_path = bzrlib.plugins.__path__
638
old_loaded = plugin._loaded
639
old_load_from_path = plugin.load_from_path
640
# Change bzrlib.plugin to think no plugins have been loaded yet.
641
bzrlib.plugins.__path__ = []
642
plugin._loaded = False
643
# Monkey-patch load_from_path to stop it from actually loading anything.
644
def load_from_path(dirs):
646
plugin.load_from_path = load_from_path
647
def restore_plugins():
648
bzrlib.plugins.__path__ = old_plugins_path
649
plugin._loaded = old_loaded
650
plugin.load_from_path = old_load_from_path
651
test_case.addCleanup(restore_plugins)
654
class TestPluginPaths(tests.TestCase):
621
656
def test_set_plugins_path_with_args(self):
622
658
plugin.set_plugins_path(['a', 'b'])
623
659
self.assertEqual(['a', 'b'], bzrlib.plugins.__path__)
625
661
def test_set_plugins_path_defaults(self):
626
663
plugin.set_plugins_path()
627
664
self.assertEqual(plugin.get_standard_plugins_path(),
628
665
bzrlib.plugins.__path__)
630
667
def test_get_standard_plugins_path(self):
631
668
path = plugin.get_standard_plugins_path()
669
self.assertEqual(plugin.get_default_plugin_path(), path[0])
632
670
for directory in path:
633
self.assertNotContainsRe(directory, r'\\/$')
671
self.assertNotContainsRe(r'\\/$', directory)
635
673
from distutils.sysconfig import get_python_lib
636
674
except ImportError:
658
698
self.assertEqual(bzrlib.plugins.__path__, ['.'])
660
700
def test_load_plugins_default(self):
661
702
plugin.load_plugins()
662
703
path = plugin.get_standard_plugins_path()
663
704
self.assertEqual(path, bzrlib.plugins.__path__)
666
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)
686
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)
692
def test_default(self):
693
self.check_path([self.user, self.core, self.site],
696
def test_adhoc_policy(self):
697
self.check_path([self.user, self.core, self.site],
698
['+user', '+core', '+site'])
700
def test_fallback_policy(self):
701
self.check_path([self.core, self.site, self.user],
702
['+core', '+site', '+user'])
704
def test_override_policy(self):
705
self.check_path([self.user, self.site, self.core],
706
['+user', '+site', '+core'])
708
def test_disable_user(self):
709
self.check_path([self.core, self.site], ['-user'])
711
def test_disable_user_twice(self):
712
# Ensures multiple removals don't left cruft
713
self.check_path([self.core, self.site], ['-user', '-user'])
715
def test_duplicates_are_removed(self):
716
self.check_path([self.user, self.core, self.site],
718
# And only the first reference is kept (since the later references will
719
# only produce '<plugin> already loaded' mutters)
720
self.check_path([self.user, self.core, self.site],
721
['+user', '+user', '+core',
722
'+user', '+site', '+site',
725
def test_disable_overrides_enable(self):
726
self.check_path([self.core, self.site], ['-user', '+user'])
728
def test_disable_core(self):
729
self.check_path([self.site], ['-core'])
730
self.check_path([self.user, self.site], ['+user', '-core'])
732
def test_disable_site(self):
733
self.check_path([self.core], ['-site'])
734
self.check_path([self.user, self.core], ['-site', '+user'])
736
def test_override_site(self):
737
self.check_path(['mysite', self.user, self.core],
738
['mysite', '-site', '+user'])
739
self.check_path(['mysite', self.core],
742
def test_override_core(self):
743
self.check_path(['mycore', self.user, self.site],
744
['mycore', '-core', '+user', '+site'])
745
self.check_path(['mycore', self.site],
748
def test_my_plugin_only(self):
749
self.check_path(['myplugin'], ['myplugin', '-user', '-core', '-site'])
751
def test_my_plugin_first(self):
752
self.check_path(['myplugin', self.core, self.site, self.user],
753
['myplugin', '+core', '+site', '+user'])
755
def test_bogus_references(self):
756
self.check_path(['+foo', '-bar', self.core, self.site],
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')
770
def test_cannot_import(self):
771
osutils.set_or_unset_env('BZR_DISABLE_PLUGINS', 'test_foo')
772
plugin.set_plugins_path(['.'])
774
import bzrlib.plugins.test_foo
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):
804
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
# Create the same plugin in two directories
812
self.create_plugin_package('test_foo', dir='non-standard-dir')
813
# The "normal" directory, we use 'standard' instead of 'plugins' to
814
# avoid depending on the precise naming.
815
self.create_plugin_package('test_foo', dir='standard/test_foo')
817
def assertTestFooLoadedFrom(self, path):
818
self.assertPluginKnown('test_foo')
819
self.assertDocstring('This is the doc for test_foo',
820
bzrlib.plugins.test_foo)
821
self.assertEqual(path, bzrlib.plugins.test_foo.dir_source)
823
def test_regular_load(self):
824
plugin.load_plugins(['standard'])
825
self.assertTestFooLoadedFrom('standard/test_foo')
827
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
834
self.assertTestFooLoadedFrom('non-standard-dir')
836
def test_loading(self):
837
osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
838
plugin.load_plugins(['standard'])
839
self.assertTestFooLoadedFrom('non-standard-dir')
841
def test_compiled_loaded(self):
842
osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
843
plugin.load_plugins(['standard'])
844
self.assertTestFooLoadedFrom('non-standard-dir')
845
self.assertEqual('non-standard-dir/__init__.py',
846
bzrlib.plugins.test_foo.__file__)
848
# 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'])
852
self.assertTestFooLoadedFrom('non-standard-dir')
857
self.assertEqual('non-standard-dir/__init__.%s' % suffix,
858
bzrlib.plugins.test_foo.__file__)
860
def test_submodule_loading(self):
861
# We create an additional directory under the one for test_foo
862
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__)
872
def test_loading_from___init__only(self):
873
# We rename the existing __init__.py file to ensure that we don't load
875
init = 'non-standard-dir/__init__.py'
876
random = 'non-standard-dir/setup.py'
877
os.rename(init, random)
878
self.addCleanup(os.rename, random, init)
879
osutils.set_or_unset_env('BZR_PLUGINS_AT', 'test_foo@non-standard-dir')
880
plugin.load_plugins(['standard'])
881
self.assertPluginUnknown('test_foo')
883
def test_loading_from_specific_file(self):
884
plugin_dir = 'non-standard-dir'
885
plugin_file_name = 'iamtestfoo.py'
886
plugin_path = osutils.pathjoin(plugin_dir, plugin_file_name)
888
"""This is the doc for %s"""
890
''' % ('test_foo', plugin_path)
891
self.create_plugin('test_foo', source=source,
892
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'])
895
self.assertTestFooLoadedFrom(plugin_path)