django/tests/forms_tests/tests/test_renderers.py
2023-01-18 11:08:39 +01:00

76 lines
2.2 KiB
Python

import os
import unittest
from django.forms.renderers import (
BaseRenderer,
DjangoDivFormRenderer,
DjangoTemplates,
Jinja2,
Jinja2DivFormRenderer,
TemplatesSetting,
)
from django.test import SimpleTestCase
from django.utils.deprecation import RemovedInDjango60Warning
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"
class TemplatesSettingTests(SharedTests, SimpleTestCase):
renderer = TemplatesSetting
class DeprecationTests(SimpleTestCase):
def test_django_div_renderer_warning(self):
msg = (
"The DjangoDivFormRenderer transitional form renderer is deprecated. Use "
"DjangoTemplates instead."
)
with self.assertRaisesMessage(RemovedInDjango60Warning, msg):
DjangoDivFormRenderer()
def test_jinja2_div_renderer_warning(self):
msg = (
"The Jinja2DivFormRenderer transitional form renderer is deprecated. Use "
"Jinja2 instead."
)
with self.assertRaisesMessage(RemovedInDjango60Warning, msg):
Jinja2DivFormRenderer()