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