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Viewing changes to bzrlib/tests/test_registry.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-09-29 22:03:03 UTC
  • mfrom: (5416.2.6 jam-integration)
  • Revision ID: pqm@pqm.ubuntu.com-20100929220303-cr95h8iwtggco721
(mbp) Add 'break-lock --force'

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bzrlib/tests/test_registry.py
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# Copyright (C) 2006, 2008-2011 Canonical Ltd
 
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# Copyright (C) 2006 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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import sys
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from bzrlib import (
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    branch,
 
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    errors,
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    osutils,
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    registry,
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    tests,
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        a_registry = registry.Registry()
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        self.register_stuff(a_registry)
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        self.assertTrue(a_registry.default_key is None)
 
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        self.failUnless(a_registry.default_key is None)
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        # test get() (self.default_key is None)
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        self.assertRaises(KeyError, a_registry.get)
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        # test _set_default_key
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        a_registry.default_key = 'five'
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        self.assertTrue(a_registry.default_key == 'five')
 
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        self.failUnless(a_registry.default_key == 'five')
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        self.assertEqual(5, a_registry.get())
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        self.assertEqual(5, a_registry.get(None))
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        # If they ask for a specific entry, they should get KeyError
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        a_registry = registry.Registry()
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        self.register_stuff(a_registry)
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        self.assertTrue('one' in a_registry)
 
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        self.failUnless('one' in a_registry)
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        a_registry.remove('one')
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        self.assertFalse('one' in a_registry)
 
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        self.failIf('one' in a_registry)
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        self.assertRaises(KeyError, a_registry.get, 'one')
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        a_registry.register('one', 'one')
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        # We create a registry with "official" objects and "hidden"
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        # objects. The later represent the side effects that led to bug #277048
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        # and #430510
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        _registry = registry.Registry()
 
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        self.registry =  registry.Registry()
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        def register_more():
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           _registry.register('hidden', None)
 
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            self.registry.register('hidden', None)
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        # Avoid closing over self by binding local variable
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        self.registry = _registry
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        self.registry.register('passive', None)
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        self.registry.register('active', register_more)
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        self.registry.register('passive-too', None)
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            def get_obj(inner_self):
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                # Surprise ! Getting a registered object (think lazy loaded
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                # module) register yet another object !
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                _registry.register('more hidden', None)
 
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                self.registry.register('more hidden', None)
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                return inner_self._obj
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        self.registry.register('hacky', None)
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        """
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        os.mkdir('tmp')
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        plugin_name = 'bzr_plugin_a_%s' % (osutils.rand_chars(4),)
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        with open('tmp/'+plugin_name+'.py', 'wb') as f: f.write(contents)
 
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        open('tmp/'+plugin_name+'.py', 'wb').write(contents)
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        return plugin_name
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    def create_simple_plugin(self):
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            '\n\n'
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        )
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    def test_lazy_import_registry_foo(self):
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        a_registry = registry.Registry()
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        a_registry.register_lazy('foo', 'bzrlib.branch', 'Branch')
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        a_registry.register_lazy('bar', 'bzrlib.branch', 'Branch.hooks')
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        self.assertEqual(branch.Branch, a_registry.get('foo'))
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        self.assertEqual(branch.Branch.hooks, a_registry.get('bar'))
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    def test_lazy_import_registry(self):
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        plugin_name = self.create_simple_plugin()
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        a_registry = registry.Registry()
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        self.assertEqual(['function', 'klass', 'module', 'obj'],
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                         sorted(a_registry.keys()))
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        # The plugin should not be loaded until we grab the first object
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        self.assertFalse(plugin_name in sys.modules)
 
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        self.failIf(plugin_name in sys.modules)
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        # By default the plugin won't be in the search path
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        self.assertRaises(ImportError, a_registry.get, 'obj')
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        try:
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            obj = a_registry.get('obj')
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            self.assertEqual('foo', obj)
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            self.assertTrue(plugin_name in sys.modules)
 
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            self.failUnless(plugin_name in sys.modules)
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            # Now grab another object
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            func = a_registry.get('function')
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        finally:
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            sys.path.remove(plugin_path)
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    def test_lazy_import_get_module(self):
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        a_registry = registry.Registry()
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        a_registry.register_lazy('obj', "bzrlib.tests.test_registry",
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            'object1')
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        self.assertEquals("bzrlib.tests.test_registry",
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            a_registry._get_module("obj"))
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    def test_normal_get_module(self):
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        class AThing(object):
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            """Something"""
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        a_registry = registry.Registry()
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        a_registry.register("obj", AThing())
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        self.assertEquals("bzrlib.tests.test_registry",
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            a_registry._get_module("obj"))