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from pathlib import Path
from unittest import mock
from django.template import autoreload
from django.test import SimpleTestCase, override_settings
from django.test.utils import require_jinja2
ROOT = Path(__file__).parent.absolute()
EXTRA_TEMPLATES_DIR = ROOT / "templates_extra"
@override_settings(
INSTALLED_APPS=["template_tests"],
TEMPLATES=[
{
"BACKEND": "django.template.backends.dummy.TemplateStrings",
"APP_DIRS": True,
},
{
"BACKEND": "django.template.backends.django.DjangoTemplates",
"DIRS": [EXTRA_TEMPLATES_DIR],
"OPTIONS": {
"context_processors": [
"django.template.context_processors.request",
],
"loaders": [
"django.template.loaders.filesystem.Loader",
"django.template.loaders.app_directories.Loader",
],
},
},
],
)
class TemplateReloadTests(SimpleTestCase):
@mock.patch("django.template.autoreload.reset_loaders")
def test_template_changed(self, mock_reset):
template_path = Path(__file__).parent / "templates" / "index.html"
self.assertTrue(autoreload.template_changed(None, template_path))
mock_reset.assert_called_once()
@mock.patch("django.template.autoreload.reset_loaders")
def test_non_template_changed(self, mock_reset):
self.assertIsNone(autoreload.template_changed(None, Path(__file__)))
mock_reset.assert_not_called()
@override_settings(
TEMPLATES=[
{
"DIRS": [ROOT],
"BACKEND": "django.template.backends.django.DjangoTemplates",
}
]
)
@mock.patch("django.template.autoreload.reset_loaders")
def test_non_template_changed_in_template_directory(self, mock_reset):
self.assertIsNone(autoreload.template_changed(None, Path(__file__)))
mock_reset.assert_not_called()
def test_watch_for_template_changes(self):
mock_reloader = mock.MagicMock()
autoreload.watch_for_template_changes(mock_reloader)
self.assertSequenceEqual(
sorted(mock_reloader.watch_dir.call_args_list),
[
mock.call(ROOT / "templates", "**/*"),
mock.call(ROOT / "templates_extra", "**/*"),
],
)
def test_get_template_directories(self):
self.assertSetEqual(
autoreload.get_template_directories(),
{
ROOT / "templates_extra",
ROOT / "templates",
},
)
@mock.patch("django.template.loaders.base.Loader.reset")
def test_reset_all_loaders(self, mock_reset):
autoreload.reset_loaders()
self.assertEqual(mock_reset.call_count, 2)
@override_settings(
TEMPLATES=[
{
"DIRS": [""],
"BACKEND": "django.template.backends.django.DjangoTemplates",
}
]
)
def test_template_dirs_ignore_empty_path(self):
self.assertEqual(autoreload.get_template_directories(), set())
@override_settings(
TEMPLATES=[
{
"DIRS": [
str(ROOT) + "/absolute_str",
"template_tests/relative_str",
Path("template_tests/relative_path"),
],
"BACKEND": "django.template.backends.django.DjangoTemplates",
}
]
)
def test_template_dirs_normalized_to_paths(self):
self.assertSetEqual(
autoreload.get_template_directories(),
{
ROOT / "absolute_str",
Path.cwd() / "template_tests/relative_str",
Path.cwd() / "template_tests/relative_path",
},
)
@require_jinja2
@override_settings(INSTALLED_APPS=["template_tests"])
class Jinja2TemplateReloadTests(SimpleTestCase):
def test_watch_for_template_changes(self):
mock_reloader = mock.MagicMock()
autoreload.watch_for_template_changes(mock_reloader)
self.assertSequenceEqual(
sorted(mock_reloader.watch_dir.call_args_list),
[
mock.call(ROOT / "templates", "**/*"),
],
)
def test_get_template_directories(self):
self.assertSetEqual(
autoreload.get_template_directories(),
{
ROOT / "templates",
},
)
@mock.patch("django.template.loaders.base.Loader.reset")
def test_reset_all_loaders(self, mock_reset):
autoreload.reset_loaders()
self.assertEqual(mock_reset.call_count, 0)
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