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  • Committer: fschwarz
  • Date: 2012-08-20 19:21:22 UTC
  • Revision ID: svn-v4:59ecc08e-a131-0410-9ea7-d4c0f28ac310:trunk:650
add babel.support.NullTranslations class similar to gettext.NullTranslations but with all of Babel's new *gettext methods (#277)

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babel/tests/support.py
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# history and logs, available at http://babel.edgewall.org/log/.
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import doctest
 
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import inspect
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import os
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from StringIO import StringIO
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import unittest
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                                                       'foos1', 2))
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class NullTranslationsTestCase(unittest.TestCase):
 
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    def setUp(self):
 
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        fp = StringIO()
 
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        write_mo(fp, Catalog(locale='de'))
 
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        fp.seek(0)
 
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        self.translations = support.Translations(fileobj=fp)
 
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        self.null_translations = support.NullTranslations(fp=fp)
 
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    def method_names(self):
 
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        return [name for name in dir(self.translations) if 'gettext' in name]
 
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    def test_same_methods(self):
 
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        for name in self.method_names():
 
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            if not hasattr(self.null_translations, name):
 
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                self.fail('NullTranslations does not provide method %r' % name)
 
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    def test_method_signature_compatibility(self):
 
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        for name in self.method_names():
 
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            translations_method = getattr(self.translations, name)
 
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            null_method = getattr(self.null_translations, name)
 
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            signature = inspect.getargspec
 
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            self.assertEqual(signature(translations_method), 
 
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                             signature(null_method))
 
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    def test_same_return_values(self):
 
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        data = {
 
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            'message': u'foo', 'domain': u'domain', 'context': 'tests',
 
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            'singular': u'bar', 'plural': u'baz', 'num': 1,
 
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            'msgid1': u'bar', 'msgid2': u'baz', 'n': 1,
 
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        }
 
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        for name in self.method_names():
 
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            method = getattr(self.translations, name)
 
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            null_method = getattr(self.null_translations, name)
 
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            signature = inspect.getargspec(method)
 
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            parameter_names = [name for name in signature.args if name != 'self']
 
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            values = [data[name] for name in parameter_names]
 
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            self.assertEqual(method(*values), null_method(*values))
 
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class LazyProxyTestCase(unittest.TestCase):
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    def test_proxy_caches_result_of_function_call(self):
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        self.counter = 0
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    suite = unittest.TestSuite()
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    suite.addTest(doctest.DocTestSuite(support))
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    suite.addTest(unittest.makeSuite(TranslationsTestCase, 'test'))
 
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    suite.addTest(unittest.makeSuite(NullTranslationsTestCase, 'test'))
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    suite.addTest(unittest.makeSuite(LazyProxyTestCase, 'test'))
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    return suite
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