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'
51
38
# TODO: Write a test for plugin decoration of commands.
53
class TestLoadingPlugins(TestCaseInTempDir):
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]
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if getattr(bzrlib.plugins, name, None) is not None:
80
delattr(bzrlib.plugins, name)
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def assertPluginUnknown(self, name):
83
self.failIf(getattr(bzrlib.plugins, name, None) is not None)
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self.failIf('bzrlib.plugins.%s' % name in sys.modules)
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def assertPluginKnown(self, name):
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self.failUnless(getattr(bzrlib.plugins, name, None) is not None)
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self.failUnless('bzrlib.plugins.%s' % name in sys.modules)
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class TestLoadingPlugins(tests.TestCaseInTempDir, TestPluginMixin):
55
93
activeattributes = {}
247
281
"it to 'bad_plugin_name_'\.")
250
class TestPlugins(TestCaseInTempDir):
284
class TestPlugins(tests.TestCaseInTempDir, TestPluginMixin):
252
286
def setup_plugin(self, source=""):
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# This test tests a new plugin appears in bzrlib.plugin.plugins().
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# check the plugin is not loaded already
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self.failIf(getattr(bzrlib.plugins, 'plugin', None))
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self.assertPluginUnknown('plugin')
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# write a plugin that _cannot_ fail to load.
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file('plugin.py', 'w').write(source + '\n')
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self.addCleanup(self.teardown_plugin)
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bzrlib.plugin.load_from_path(['.'])
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plugin.load_from_path(['.'])
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def teardown_plugin(self):
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# remove the plugin 'plugin'
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if 'bzrlib.plugins.plugin' in sys.modules:
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del sys.modules['bzrlib.plugins.plugin']
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if getattr(bzrlib.plugins, 'plugin', None):
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del bzrlib.plugins.plugin
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self.failIf(getattr(bzrlib.plugins, 'plugin', None))
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self._unregister_plugin('plugin')
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self.assertPluginUnknown('plugin')
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299
def test_plugin_appears_in_plugins(self):
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self.setup_plugin()
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self.failUnless('plugin' in bzrlib.plugin.plugins())
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self.failUnless(getattr(bzrlib.plugins, 'plugin', None))
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plugins = bzrlib.plugin.plugins()
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plugin = plugins['plugin']
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self.assertIsInstance(plugin, bzrlib.plugin.PlugIn)
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self.assertEqual(bzrlib.plugins.plugin, plugin.module)
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self.assertPluginKnown('plugin')
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p = plugin.plugins()['plugin']
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self.assertIsInstance(p, bzrlib.plugin.PlugIn)
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self.assertEqual(p.module, plugins.plugin)
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306
def test_trivial_plugin_get_path(self):
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self.setup_plugin()
280
plugins = bzrlib.plugin.plugins()
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plugin = plugins['plugin']
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p = plugin.plugins()['plugin']
282
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plugin_path = self.test_dir + '/plugin.py'
283
self.assertIsSameRealPath(plugin_path, normpath(plugin.path()))
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self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
285
312
def test_plugin_get_path_py_not_pyc(self):
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self.setup_plugin() # after first import there will be plugin.pyc
313
# first import creates plugin.pyc
287
315
self.teardown_plugin()
288
bzrlib.plugin.load_from_path(['.']) # import plugin.pyc
289
plugins = bzrlib.plugin.plugins()
290
plugin = plugins['plugin']
316
plugin.load_from_path(['.']) # import plugin.pyc
317
p = plugin.plugins()['plugin']
291
318
plugin_path = self.test_dir + '/plugin.py'
292
self.assertIsSameRealPath(plugin_path, normpath(plugin.path()))
319
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
294
321
def test_plugin_get_path_pyc_only(self):
295
self.setup_plugin() # after first import there will be plugin.pyc
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# first import creates plugin.pyc (or plugin.pyo depending on __debug__)
296
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self.teardown_plugin()
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os.unlink(self.test_dir + '/plugin.py')
298
bzrlib.plugin.load_from_path(['.']) # import plugin.pyc
299
plugins = bzrlib.plugin.plugins()
300
plugin = plugins['plugin']
326
plugin.load_from_path(['.']) # import plugin.pyc (or .pyo)
327
p = plugin.plugins()['plugin']
302
329
plugin_path = self.test_dir + '/plugin.pyc'
304
331
plugin_path = self.test_dir + '/plugin.pyo'
305
self.assertIsSameRealPath(plugin_path, normpath(plugin.path()))
332
self.assertIsSameRealPath(plugin_path, osutils.normpath(p.path()))
307
334
def test_no_test_suite_gives_None_for_test_suite(self):
308
335
self.setup_plugin()
309
plugin = bzrlib.plugin.plugins()['plugin']
310
self.assertEqual(None, plugin.test_suite())
336
p = plugin.plugins()['plugin']
337
self.assertEqual(None, p.test_suite())
312
339
def test_test_suite_gives_test_suite_result(self):
313
340
source = """def test_suite(): return 'foo'"""
314
341
self.setup_plugin(source)
315
plugin = bzrlib.plugin.plugins()['plugin']
316
self.assertEqual('foo', plugin.test_suite())
342
p = plugin.plugins()['plugin']
343
self.assertEqual('foo', p.test_suite())
318
345
def test_no_load_plugin_tests_gives_None_for_load_plugin_tests(self):
319
346
self.setup_plugin()
320
loader = TestUtil.TestLoader()
321
plugin = bzrlib.plugin.plugins()['plugin']
322
self.assertEqual(None, plugin.load_plugin_tests(loader))
347
loader = tests.TestUtil.TestLoader()
348
p = plugin.plugins()['plugin']
349
self.assertEqual(None, p.load_plugin_tests(loader))
324
351
def test_load_plugin_tests_gives_load_plugin_tests_result(self):
326
353
def load_tests(standard_tests, module, loader):
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355
self.setup_plugin(source)
329
loader = TestUtil.TestLoader()
330
plugin = bzrlib.plugin.plugins()['plugin']
331
self.assertEqual('foo', plugin.load_plugin_tests(loader))
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'):
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self.setup_plugin(source)
362
self.assertEqual(expected, plugin.plugins()[name].version_info())
333
364
def test_no_version_info(self):
335
plugin = bzrlib.plugin.plugins()['plugin']
336
self.assertEqual(None, plugin.version_info())
365
self.check_version_info(None)
338
367
def test_with_version_info(self):
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())
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self.check_version_info((1, 2, 3, 'dev', 4),
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"version_info = (1, 2, 3, 'dev', 4)")
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def test_short_version_info_gets_padded(self):
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# the gtk plugin has version_info = (1,2,3) rather than the 5-tuple.
346
self.setup_plugin("version_info = (1, 2, 3)")
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plugin = bzrlib.plugin.plugins()['plugin']
348
self.assertEqual((1, 2, 3, 'final', 0), plugin.version_info())
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self.check_version_info((1, 2, 3, 'final', 0),
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"version_info = (1, 2, 3)")
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def check_version(self, expected, source=None, name='plugin'):
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self.setup_plugin(source)
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self.assertEqual(expected, plugins[name].__version__)
350
381
def test_no_version_info___version__(self):
351
382
self.setup_plugin()
597
607
self.assertEqual('foo_bar', topic.get_help_topic())
600
def clear_plugins(test_case):
601
# Save the attributes that we're about to monkey-patch.
602
old_plugins_path = bzrlib.plugins.__path__
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old_loaded = plugin._loaded
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old_load_from_path = plugin.load_from_path
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# Change bzrlib.plugin to think no plugins have been loaded yet.
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bzrlib.plugins.__path__ = []
607
plugin._loaded = False
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# 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):
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)
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# Monkey-patch load_from_path to stop it from actually loading anything.
619
self.overrideAttr(plugin, 'load_from_path', lambda dirs: None)
621
621
def test_set_plugins_path_with_args(self):
623
622
plugin.set_plugins_path(['a', 'b'])
624
623
self.assertEqual(['a', 'b'], bzrlib.plugins.__path__)
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625
def test_set_plugins_path_defaults(self):
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626
plugin.set_plugins_path()
629
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self.assertEqual(plugin.get_standard_plugins_path(),
630
628
bzrlib.plugins.__path__)
632
630
def test_get_standard_plugins_path(self):
633
631
path = plugin.get_standard_plugins_path()
634
self.assertEqual(plugin.get_default_plugin_path(), path[0])
635
632
for directory in path:
636
self.assertNotContainsRe(r'\\/$', directory)
633
self.assertNotContainsRe(directory, r'\\/$')
638
635
from distutils.sysconfig import get_python_lib
639
636
except ImportError:
663
658
self.assertEqual(bzrlib.plugins.__path__, ['.'])
665
660
def test_load_plugins_default(self):
667
661
plugin.load_plugins()
668
662
path = plugin.get_standard_plugins_path()
669
663
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.assertIsSameRealPath('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.assertIsSameRealPath('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.assertIsSameRealPath('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)