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Diffstat (limited to 'scripts/external_libs/nose-1.3.4/nose/plugins/isolate.py')
| -rwxr-xr-x | scripts/external_libs/nose-1.3.4/nose/plugins/isolate.py | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/scripts/external_libs/nose-1.3.4/nose/plugins/isolate.py b/scripts/external_libs/nose-1.3.4/nose/plugins/isolate.py deleted file mode 100755 index 13235dfb..00000000 --- a/scripts/external_libs/nose-1.3.4/nose/plugins/isolate.py +++ /dev/null @@ -1,103 +0,0 @@ -"""The isolation plugin resets the contents of sys.modules after running -each test module or package. Use it by setting ``--with-isolation`` or the -NOSE_WITH_ISOLATION environment variable. - -The effects are similar to wrapping the following functions around the -import and execution of each test module:: - - def setup(module): - module._mods = sys.modules.copy() - - def teardown(module): - to_del = [ m for m in sys.modules.keys() if m not in - module._mods ] - for mod in to_del: - del sys.modules[mod] - sys.modules.update(module._mods) - -Isolation works only during lazy loading. In normal use, this is only -during discovery of modules within a directory, where the process of -importing, loading tests and running tests from each module is -encapsulated in a single loadTestsFromName call. This plugin -implements loadTestsFromNames to force the same lazy-loading there, -which allows isolation to work in directed mode as well as discovery, -at the cost of some efficiency: lazy-loading names forces full context -setup and teardown to run for each name, defeating the grouping that -is normally used to ensure that context setup and teardown are run the -fewest possible times for a given set of names. - -.. warning :: - - This plugin should not be used in conjunction with other plugins - that assume that modules, once imported, will stay imported; for - instance, it may cause very odd results when used with the coverage - plugin. - -""" - -import logging -import sys - -from nose.plugins import Plugin - - -log = logging.getLogger('nose.plugins.isolation') - -class IsolationPlugin(Plugin): - """ - Activate the isolation plugin to isolate changes to external - modules to a single test module or package. The isolation plugin - resets the contents of sys.modules after each test module or - package runs to its state before the test. PLEASE NOTE that this - plugin should not be used with the coverage plugin, or in any other case - where module reloading may produce undesirable side-effects. - """ - score = 10 # I want to be last - name = 'isolation' - - def configure(self, options, conf): - """Configure plugin. - """ - Plugin.configure(self, options, conf) - self._mod_stack = [] - - def beforeContext(self): - """Copy sys.modules onto my mod stack - """ - mods = sys.modules.copy() - self._mod_stack.append(mods) - - def afterContext(self): - """Pop my mod stack and restore sys.modules to the state - it was in when mod stack was pushed. - """ - mods = self._mod_stack.pop() - to_del = [ m for m in sys.modules.keys() if m not in mods ] - if to_del: - log.debug('removing sys modules entries: %s', to_del) - for mod in to_del: - del sys.modules[mod] - sys.modules.update(mods) - - def loadTestsFromNames(self, names, module=None): - """Create a lazy suite that calls beforeContext and afterContext - around each name. The side-effect of this is that full context - fixtures will be set up and torn down around each test named. - """ - # Fast path for when we don't care - if not names or len(names) == 1: - return - loader = self.loader - plugins = self.conf.plugins - def lazy(): - for name in names: - plugins.beforeContext() - yield loader.loadTestsFromName(name, module=module) - plugins.afterContext() - return (loader.suiteClass(lazy), []) - - def prepareTestLoader(self, loader): - """Get handle on test loader so we can use it in loadTestsFromNames. - """ - self.loader = loader - |