/
test_renderers.py
75 lines (59 loc) · 2.27 KB
/
test_renderers.py
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import os
import posixpath
import unittest
from django.forms.renderers import (
BaseRenderer, DjangoTemplates, Jinja2, TemplatesSetting,
)
from django.test import SimpleTestCase
from django.utils.version import get_version_tuple
try:
import jinja2
except ImportError:
jinja2 = None
class SharedTests:
expected_widget_dir = 'templates'
def test_installed_apps_template_found(self):
"""Can find a custom template in INSTALLED_APPS."""
renderer = self.renderer()
# Found because forms_tests is .
tpl = renderer.get_template('forms_tests/custom_widget.html')
expected_path = os.path.abspath(
os.path.join(
os.path.dirname(__file__),
'..',
self.expected_widget_dir + '/forms_tests/custom_widget.html',
)
)
self.assertEqual(tpl.origin.name, expected_path)
class BaseTemplateRendererTests(SimpleTestCase):
def test_get_renderer(self):
with self.assertRaisesMessage(NotImplementedError, 'subclasses must implement get_template()'):
BaseRenderer().get_template('')
class DjangoTemplatesTests(SharedTests, SimpleTestCase):
renderer = DjangoTemplates
@unittest.skipIf(jinja2 is None, 'jinja2 required')
class Jinja2Tests(SharedTests, SimpleTestCase):
renderer = Jinja2
expected_widget_dir = 'jinja2'
@property
def jinja2_version(self):
return get_version_tuple(jinja2.__version__)
def test_installed_apps_template_found(self):
"""Can find a custom template in INSTALLED_APPS."""
renderer = self.renderer()
# Found because forms_tests is .
tpl = renderer.get_template("forms_tests/custom_widget.html")
expected_path = os.path.abspath(
os.path.join(os.path.dirname(__file__), "..", self.expected_widget_dir)
)
if self.jinja2_version < (3, 1):
expected_path = os.path.join(
expected_path, "forms_tests", "custom_widget.html"
)
else:
expected_path = posixpath.join(
expected_path, "forms_tests", "custom_widget.html"
)
self.assertEqual(tpl.origin.name, expected_path)
class TemplatesSettingTests(SharedTests, SimpleTestCase):
renderer = TemplatesSetting