mirror of
https://github.com/django/django.git
synced 2025-10-31 09:41:08 +00:00
0659391baf
git-svn-id: http://code.djangoproject.com/svn/django/trunk@14448 bcc190cf-cafb-0310-a4f2-bffc1f526a37
84 lines
3.1 KiB
Python
84 lines
3.1 KiB
Python
"""
|
|
Testing some internals of the template processing. These are *not* examples to be copied in user code.
|
|
"""
|
|
from django.template import (TokenParser, FilterExpression, Parser, Variable,
|
|
TemplateSyntaxError)
|
|
from django.utils.unittest import TestCase
|
|
|
|
|
|
class ParserTests(TestCase):
|
|
def test_token_parsing(self):
|
|
# Tests for TokenParser behavior in the face of quoted strings with
|
|
# spaces.
|
|
|
|
p = TokenParser("tag thevar|filter sometag")
|
|
self.assertEqual(p.tagname, "tag")
|
|
self.assertEqual(p.value(), "thevar|filter")
|
|
self.assertTrue(p.more())
|
|
self.assertEqual(p.tag(), "sometag")
|
|
self.assertFalse(p.more())
|
|
|
|
p = TokenParser('tag "a value"|filter sometag')
|
|
self.assertEqual(p.tagname, "tag")
|
|
self.assertEqual(p.value(), '"a value"|filter')
|
|
self.assertTrue(p.more())
|
|
self.assertEqual(p.tag(), "sometag")
|
|
self.assertFalse(p.more())
|
|
|
|
p = TokenParser("tag 'a value'|filter sometag")
|
|
self.assertEqual(p.tagname, "tag")
|
|
self.assertEqual(p.value(), "'a value'|filter")
|
|
self.assertTrue(p.more())
|
|
self.assertEqual(p.tag(), "sometag")
|
|
self.assertFalse(p.more())
|
|
|
|
def test_filter_parsing(self):
|
|
c = {"article": {"section": u"News"}}
|
|
p = Parser("")
|
|
|
|
def fe_test(s, val):
|
|
self.assertEqual(FilterExpression(s, p).resolve(c), val)
|
|
|
|
fe_test("article.section", u"News")
|
|
fe_test("article.section|upper", u"NEWS")
|
|
fe_test(u'"News"', u"News")
|
|
fe_test(u"'News'", u"News")
|
|
fe_test(ur'"Some \"Good\" News"', u'Some "Good" News')
|
|
fe_test(ur'"Some \"Good\" News"', u'Some "Good" News')
|
|
fe_test(ur"'Some \'Bad\' News'", u"Some 'Bad' News")
|
|
|
|
fe = FilterExpression(ur'"Some \"Good\" News"', p)
|
|
self.assertEqual(fe.filters, [])
|
|
self.assertEqual(fe.var, u'Some "Good" News')
|
|
|
|
# Filtered variables should reject access of attributes beginning with
|
|
# underscores.
|
|
self.assertRaises(TemplateSyntaxError,
|
|
FilterExpression, "article._hidden|upper", p
|
|
)
|
|
|
|
def test_variable_parsing(self):
|
|
c = {"article": {"section": u"News"}}
|
|
self.assertEqual(Variable("article.section").resolve(c), "News")
|
|
self.assertEqual(Variable(u'"News"').resolve(c), "News")
|
|
self.assertEqual(Variable(u"'News'").resolve(c), "News")
|
|
|
|
# Translated strings are handled correctly.
|
|
self.assertEqual(Variable("_(article.section)").resolve(c), "News")
|
|
self.assertEqual(Variable('_("Good News")').resolve(c), "Good News")
|
|
self.assertEqual(Variable("_('Better News')").resolve(c), "Better News")
|
|
|
|
# Escaped quotes work correctly as well.
|
|
self.assertEqual(
|
|
Variable(ur'"Some \"Good\" News"').resolve(c), 'Some "Good" News'
|
|
)
|
|
self.assertEqual(
|
|
Variable(ur"'Some \'Better\' News'").resolve(c), "Some 'Better' News"
|
|
)
|
|
|
|
# Variables should reject access of attributes beginning with
|
|
# underscores.
|
|
self.assertRaises(TemplateSyntaxError,
|
|
Variable, "article._hidden"
|
|
)
|