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d53e8f1285
git-svn-id: http://code.djangoproject.com/svn/django/trunk@7565 bcc190cf-cafb-0310-a4f2-bffc1f526a37
89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Test cases for the template loaders
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"""
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from django.conf import settings
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if __name__ == '__main__':
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settings.configure()
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import unittest
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import sys
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import pkg_resources
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import imp
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import StringIO
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from django.template import TemplateDoesNotExist
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from django.template.loaders.eggs import load_template_source as lts_egg
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#Mock classes and objects for pkg_resources functions
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class MockProvider(pkg_resources.NullProvider):
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def __init__(self, module):
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pkg_resources.NullProvider.__init__(self, module)
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self.module = module
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def _has(self, path):
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return path in self.module._resources
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def _isdir(self,path):
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return False
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def get_resource_stream(self, manager, resource_name):
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return self.module._resources[resource_name]
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def _get(self, path):
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return self.module._resources[path].read()
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class MockLoader(object): pass
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def create_egg(name, resources):
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"""
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Creates a mock egg with a list of resources
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name: The name of the module
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resources: A dictionary of resources. Keys are the names and values the the data.
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"""
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egg = imp.new_module(name)
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egg.__loader__ = MockLoader()
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egg._resources = resources
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sys.modules[name] = egg
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class EggLoader(unittest.TestCase):
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def setUp(self):
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pkg_resources._provider_factories[MockLoader] = MockProvider
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self.empty_egg = create_egg("egg_empty", {})
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self.egg_1 = create_egg("egg_1", {
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'templates/y.html' : StringIO.StringIO("y"),
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'templates/x.txt' : StringIO.StringIO("x"),
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})
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settings.INSTALLED_APPS = []
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def test_empty(self):
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"Loading any template on an empty egg should fail"
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settings.INSTALLED_APPS = ['egg_empty']
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self.assertRaises(TemplateDoesNotExist, lts_egg, "not-existing.html")
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def test_non_existing(self):
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"Template loading fails if the template is not in the egg"
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settings.INSTALLED_APPS = ['egg_1']
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self.assertRaises(TemplateDoesNotExist, lts_egg, "not-existing.html")
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def test_existing(self):
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"A template can be loaded from an egg"
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settings.INSTALLED_APPS = ['egg_1']
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contents, template_name = lts_egg("y.html")
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self.assertEqual(contents, "y")
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self.assertEqual(template_name, "egg:egg_1:templates/y.html")
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def test_not_installed(self):
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"Loading an existent template from an egg not included in INSTALLED_APPS should fail"
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settings.INSTALLED_APPS = []
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self.assertRaises(TemplateDoesNotExist, lts_egg, "y.html")
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if __name__ == "__main__":
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unittest.main()
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