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django/tests/template_tests/test_library.py
2022-02-07 20:37:05 +01:00

166 lines
4.4 KiB
Python

import functools
from django.template import Library
from django.template.base import Node
from django.test import SimpleTestCase
class FilterRegistrationTests(SimpleTestCase):
def setUp(self):
self.library = Library()
def test_filter(self):
@self.library.filter
def func():
return ""
self.assertEqual(self.library.filters["func"], func)
def test_filter_parens(self):
@self.library.filter()
def func():
return ""
self.assertEqual(self.library.filters["func"], func)
def test_filter_name_arg(self):
@self.library.filter("name")
def func():
return ""
self.assertEqual(self.library.filters["name"], func)
def test_filter_name_kwarg(self):
@self.library.filter(name="name")
def func():
return ""
self.assertEqual(self.library.filters["name"], func)
def test_filter_call(self):
def func():
return ""
self.library.filter("name", func)
self.assertEqual(self.library.filters["name"], func)
def test_filter_invalid(self):
msg = "Unsupported arguments to Library.filter: (None, '')"
with self.assertRaisesMessage(ValueError, msg):
self.library.filter(None, "")
class InclusionTagRegistrationTests(SimpleTestCase):
def setUp(self):
self.library = Library()
def test_inclusion_tag(self):
@self.library.inclusion_tag("template.html")
def func():
return ""
self.assertIn("func", self.library.tags)
def test_inclusion_tag_name(self):
@self.library.inclusion_tag("template.html", name="name")
def func():
return ""
self.assertIn("name", self.library.tags)
def test_inclusion_tag_wrapped(self):
@self.library.inclusion_tag("template.html")
@functools.lru_cache(maxsize=32)
def func():
return ""
func_wrapped = self.library.tags["func"].__wrapped__
self.assertIs(func_wrapped, func)
self.assertTrue(hasattr(func_wrapped, "cache_info"))
class SimpleTagRegistrationTests(SimpleTestCase):
def setUp(self):
self.library = Library()
def test_simple_tag(self):
@self.library.simple_tag
def func():
return ""
self.assertIn("func", self.library.tags)
def test_simple_tag_parens(self):
@self.library.simple_tag()
def func():
return ""
self.assertIn("func", self.library.tags)
def test_simple_tag_name_kwarg(self):
@self.library.simple_tag(name="name")
def func():
return ""
self.assertIn("name", self.library.tags)
def test_simple_tag_invalid(self):
msg = "Invalid arguments provided to simple_tag"
with self.assertRaisesMessage(ValueError, msg):
self.library.simple_tag("invalid")
def test_simple_tag_wrapped(self):
@self.library.simple_tag
@functools.lru_cache(maxsize=32)
def func():
return ""
func_wrapped = self.library.tags["func"].__wrapped__
self.assertIs(func_wrapped, func)
self.assertTrue(hasattr(func_wrapped, "cache_info"))
class TagRegistrationTests(SimpleTestCase):
def setUp(self):
self.library = Library()
def test_tag(self):
@self.library.tag
def func(parser, token):
return Node()
self.assertEqual(self.library.tags["func"], func)
def test_tag_parens(self):
@self.library.tag()
def func(parser, token):
return Node()
self.assertEqual(self.library.tags["func"], func)
def test_tag_name_arg(self):
@self.library.tag("name")
def func(parser, token):
return Node()
self.assertEqual(self.library.tags["name"], func)
def test_tag_name_kwarg(self):
@self.library.tag(name="name")
def func(parser, token):
return Node()
self.assertEqual(self.library.tags["name"], func)
def test_tag_call(self):
def func(parser, token):
return Node()
self.library.tag("name", func)
self.assertEqual(self.library.tags["name"], func)
def test_tag_invalid(self):
msg = "Unsupported arguments to Library.tag: (None, '')"
with self.assertRaisesMessage(ValueError, msg):
self.library.tag(None, "")