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import os
from django.core.exceptions import ImproperlyConfigured
from django.template import Context
from django.template.engine import Engine
from django.test import SimpleTestCase, override_settings
from .utils import ROOT, TEMPLATE_DIR
OTHER_DIR = os.path.join(ROOT, 'other_templates')
class RenderToStringTest(SimpleTestCase):
def setUp(self):
self.engine = Engine(dirs=[TEMPLATE_DIR])
def test_basic_context(self):
self.assertEqual(
self.engine.render_to_string('test_context.html', {'obj': 'test'}),
'obj:test\n',
)
def test_autoescape_off(self):
engine = Engine(dirs=[TEMPLATE_DIR], autoescape=False)
self.assertEqual(
engine.render_to_string('test_context.html', {'obj': '<script>'}),
'obj:<script>\n',
)
class GetDefaultTests(SimpleTestCase):
@override_settings(TEMPLATES=[])
def test_no_engines_configured(self):
msg = 'No DjangoTemplates backend is configured.'
with self.assertRaisesMessage(ImproperlyConfigured, msg):
Engine.get_default()
@override_settings(TEMPLATES=[{
'NAME': 'default',
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'OPTIONS': {'file_charset': 'abc'},
}])
def test_single_engine_configured(self):
self.assertEqual(Engine.get_default().file_charset, 'abc')
@override_settings(TEMPLATES=[{
'NAME': 'default',
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'OPTIONS': {'file_charset': 'abc'},
}, {
'NAME': 'other',
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'OPTIONS': {'file_charset': 'def'},
}])
def test_multiple_engines_configured(self):
self.assertEqual(Engine.get_default().file_charset, 'abc')
class LoaderTests(SimpleTestCase):
def test_origin(self):
engine = Engine(dirs=[TEMPLATE_DIR], debug=True)
template = engine.get_template('index.html')
self.assertEqual(template.origin.template_name, 'index.html')
def test_loader_priority(self):
"""
#21460 -- The order of template loader works.
"""
loaders = [
'django.template.loaders.filesystem.Loader',
'django.template.loaders.app_directories.Loader',
]
engine = Engine(dirs=[OTHER_DIR, TEMPLATE_DIR], loaders=loaders)
template = engine.get_template('priority/foo.html')
self.assertEqual(template.render(Context()), 'priority\n')
def test_cached_loader_priority(self):
"""
The order of template loader works. Refs #21460.
"""
loaders = [
('django.template.loaders.cached.Loader', [
'django.template.loaders.filesystem.Loader',
'django.template.loaders.app_directories.Loader',
]),
]
engine = Engine(dirs=[OTHER_DIR, TEMPLATE_DIR], loaders=loaders)
template = engine.get_template('priority/foo.html')
self.assertEqual(template.render(Context()), 'priority\n')
template = engine.get_template('priority/foo.html')
self.assertEqual(template.render(Context()), 'priority\n')
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