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.tests import (
39
from bzrlib.osutils import pathjoin, abspath, normpath
43
import bzrlib.commands
44
class cmd_myplug(bzrlib.commands.Command):
45
'''Just a simple test plugin.'''
48
print 'Hello from my plugin'
39
51
# 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):
53
class TestLoadingPlugins(TestCaseInTempDir):
104
55
activeattributes = {}
302
247
"it to 'bad_plugin_name_'\.")
305
class TestPlugins(BaseTestPlugins):
250
class TestPlugins(TestCaseInTempDir):
307
252
def setup_plugin(self, source=""):
308
253
# This test tests a new plugin appears in bzrlib.plugin.plugins().
309
254
# check the plugin is not loaded already
310
self.assertPluginUnknown('plugin')
255
self.failIf(getattr(bzrlib.plugins, 'plugin', None))
311
256
# write a plugin that _cannot_ fail to load.
312
257
file('plugin.py', 'w').write(source + '\n')
313
258
self.addCleanup(self.teardown_plugin)
314
plugin.load_from_path(['.'])
259
bzrlib.plugin.load_from_path(['.'])
316
261
def teardown_plugin(self):
317
self._unregister_plugin('plugin')
318
self.assertPluginUnknown('plugin')
262
# remove the plugin 'plugin'
263
if 'bzrlib.plugins.plugin' in sys.modules:
264
del sys.modules['bzrlib.plugins.plugin']
265
if getattr(bzrlib.plugins, 'plugin', None):
266
del bzrlib.plugins.plugin
267
self.failIf(getattr(bzrlib.plugins, 'plugin', None))
320
269
def test_plugin_appears_in_plugins(self):
321
270
self.setup_plugin()
322
self.assertPluginKnown('plugin')
323
p = plugin.plugins()['plugin']
324
self.assertIsInstance(p, bzrlib.plugin.PlugIn)
325
self.assertEqual(p.module, plugins.plugin)
271
self.failUnless('plugin' in bzrlib.plugin.plugins())
272
self.failUnless(getattr(bzrlib.plugins, 'plugin', None))
273
plugins = bzrlib.plugin.plugins()
274
plugin = plugins['plugin']
275
self.assertIsInstance(plugin, bzrlib.plugin.PlugIn)
276
self.assertEqual(bzrlib.plugins.plugin, plugin.module)
327
278
def test_trivial_plugin_get_path(self):
328
279
self.setup_plugin()
329
p = plugin.plugins()['plugin']
280
plugins = bzrlib.plugin.plugins()
281
plugin = plugins['plugin']
330
282
plugin_path = self.test_dir + '/plugin.py'
331
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
283
self.assertIsSameRealPath(plugin_path, normpath(plugin.path()))
333
285
def test_plugin_get_path_py_not_pyc(self):
334
# first import creates plugin.pyc
286
self.setup_plugin() # after first import there will be plugin.pyc
336
287
self.teardown_plugin()
337
plugin.load_from_path(['.']) # import plugin.pyc
338
p = plugin.plugins()['plugin']
288
bzrlib.plugin.load_from_path(['.']) # import plugin.pyc
289
plugins = bzrlib.plugin.plugins()
290
plugin = plugins['plugin']
339
291
plugin_path = self.test_dir + '/plugin.py'
340
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
292
self.assertIsSameRealPath(plugin_path, normpath(plugin.path()))
342
294
def test_plugin_get_path_pyc_only(self):
343
# first import creates plugin.pyc (or plugin.pyo depending on __debug__)
295
self.setup_plugin() # after first import there will be plugin.pyc
345
296
self.teardown_plugin()
346
297
os.unlink(self.test_dir + '/plugin.py')
347
plugin.load_from_path(['.']) # import plugin.pyc (or .pyo)
348
p = plugin.plugins()['plugin']
298
bzrlib.plugin.load_from_path(['.']) # import plugin.pyc
299
plugins = bzrlib.plugin.plugins()
300
plugin = plugins['plugin']
350
302
plugin_path = self.test_dir + '/plugin.pyc'
352
304
plugin_path = self.test_dir + '/plugin.pyo'
353
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
305
self.assertIsSameRealPath(plugin_path, normpath(plugin.path()))
355
307
def test_no_test_suite_gives_None_for_test_suite(self):
356
308
self.setup_plugin()
357
p = plugin.plugins()['plugin']
358
self.assertEqual(None, p.test_suite())
309
plugin = bzrlib.plugin.plugins()['plugin']
310
self.assertEqual(None, plugin.test_suite())
360
312
def test_test_suite_gives_test_suite_result(self):
361
313
source = """def test_suite(): return 'foo'"""
362
314
self.setup_plugin(source)
363
p = plugin.plugins()['plugin']
364
self.assertEqual('foo', p.test_suite())
315
plugin = bzrlib.plugin.plugins()['plugin']
316
self.assertEqual('foo', plugin.test_suite())
366
318
def test_no_load_plugin_tests_gives_None_for_load_plugin_tests(self):
367
319
self.setup_plugin()
368
loader = tests.TestUtil.TestLoader()
369
p = plugin.plugins()['plugin']
370
self.assertEqual(None, p.load_plugin_tests(loader))
320
loader = TestUtil.TestLoader()
321
plugin = bzrlib.plugin.plugins()['plugin']
322
self.assertEqual(None, plugin.load_plugin_tests(loader))
372
324
def test_load_plugin_tests_gives_load_plugin_tests_result(self):
374
326
def load_tests(standard_tests, module, loader):
376
328
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())
329
loader = TestUtil.TestLoader()
330
plugin = bzrlib.plugin.plugins()['plugin']
331
self.assertEqual('foo', plugin.load_plugin_tests(loader))
385
333
def test_no_version_info(self):
386
self.check_version_info(None)
335
plugin = bzrlib.plugin.plugins()['plugin']
336
self.assertEqual(None, plugin.version_info())
388
338
def test_with_version_info(self):
389
self.check_version_info((1, 2, 3, 'dev', 4),
390
"version_info = (1, 2, 3, 'dev', 4)")
339
self.setup_plugin("version_info = (1, 2, 3, 'dev', 4)")
340
plugin = bzrlib.plugin.plugins()['plugin']
341
self.assertEqual((1, 2, 3, 'dev', 4), plugin.version_info())
392
343
def test_short_version_info_gets_padded(self):
393
344
# 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__)
346
self.setup_plugin("version_info = (1, 2, 3)")
347
plugin = bzrlib.plugin.plugins()['plugin']
348
self.assertEqual((1, 2, 3, 'final', 0), plugin.version_info())
402
350
def test_no_version_info___version__(self):
403
351
self.setup_plugin()
615
584
def test_get_help_text_with_additional_see_also(self):
616
585
mod = FakeModule('two lines of help\nand more', 'demo')
617
586
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']))
587
self.assertEqual("two lines of help\nand more\nSee also: bar, foo\n",
588
topic.get_help_text(['foo', 'bar']))
621
590
def test_get_help_topic(self):
622
591
"""The help topic for a plugin is its module name."""
623
592
mod = FakeModule('two lines of help\nand more', 'bzrlib.plugins.demo')
624
593
topic = plugin.ModuleHelpTopic(mod)
625
594
self.assertEqual('demo', topic.get_help_topic())
626
mod = FakeModule('two lines of help\nand more',
627
'bzrlib.plugins.foo_bar')
595
mod = FakeModule('two lines of help\nand more', 'bzrlib.plugins.foo_bar')
628
596
topic = plugin.ModuleHelpTopic(mod)
629
597
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)
600
def clear_plugins(test_case):
601
# Save the attributes that we're about to monkey-patch.
602
old_plugins_path = bzrlib.plugins.__path__
603
old_loaded = plugin._loaded
604
old_load_from_path = plugin.load_from_path
605
# Change bzrlib.plugin to think no plugins have been loaded yet.
606
bzrlib.plugins.__path__ = []
607
plugin._loaded = False
608
# Monkey-patch load_from_path to stop it from actually loading anything.
609
def load_from_path(dirs):
611
plugin.load_from_path = load_from_path
612
def restore_plugins():
613
bzrlib.plugins.__path__ = old_plugins_path
614
plugin._loaded = old_loaded
615
plugin.load_from_path = old_load_from_path
616
test_case.addCleanup(restore_plugins)
619
class TestPluginPaths(tests.TestCase):
643
621
def test_set_plugins_path_with_args(self):
644
623
plugin.set_plugins_path(['a', 'b'])
645
624
self.assertEqual(['a', 'b'], bzrlib.plugins.__path__)
647
626
def test_set_plugins_path_defaults(self):
648
628
plugin.set_plugins_path()
649
629
self.assertEqual(plugin.get_standard_plugins_path(),
650
630
bzrlib.plugins.__path__)
652
632
def test_get_standard_plugins_path(self):
653
633
path = plugin.get_standard_plugins_path()
634
self.assertEqual(plugin.get_default_plugin_path(), path[0])
654
635
for directory in path:
655
636
self.assertNotContainsRe(directory, r'\\/$')
680
663
self.assertEqual(bzrlib.plugins.__path__, ['.'])
682
665
def test_load_plugins_default(self):
683
667
plugin.load_plugins()
684
668
path = plugin.get_standard_plugins_path()
685
669
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()))