1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
from django import template
from django.utils.unittest import TestCase
from templatetags import custom
class CustomFilterTests(TestCase):
def test_filter(self):
t = template.Template("{% load custom %}{{ string|trim:5 }}")
self.assertEqual(
t.render(template.Context({"string": "abcdefghijklmnopqrstuvwxyz"})),
u"abcde"
)
class CustomTagTests(TestCase):
def verify_tag(self, tag, name):
self.assertEqual(tag.__name__, name)
self.assertEqual(tag.__doc__, 'Expected %s __doc__' % name)
self.assertEqual(tag.__dict__['anything'], 'Expected %s __dict__' % name)
def test_simple_tags(self):
c = template.Context({'value': 42})
t = template.Template('{% load custom %}{% no_params %}')
self.assertEqual(t.render(c), u'no_params - Expected result')
t = template.Template('{% load custom %}{% one_param 37 %}')
self.assertEqual(t.render(c), u'one_param - Expected result: 37')
t = template.Template('{% load custom %}{% explicit_no_context 37 %}')
self.assertEqual(t.render(c), u'explicit_no_context - Expected result: 37')
t = template.Template('{% load custom %}{% no_params_with_context %}')
self.assertEqual(t.render(c), u'no_params_with_context - Expected result (context value: 42)')
t = template.Template('{% load custom %}{% params_and_context 37 %}')
self.assertEqual(t.render(c), u'params_and_context - Expected result (context value: 42): 37')
def test_simple_tag_registration(self):
# Test that the decorators preserve the decorated function's docstring, name and attributes.
self.verify_tag(custom.no_params, 'no_params')
self.verify_tag(custom.one_param, 'one_param')
self.verify_tag(custom.explicit_no_context, 'explicit_no_context')
self.verify_tag(custom.no_params_with_context, 'no_params_with_context')
self.verify_tag(custom.params_and_context, 'params_and_context')
def test_simple_tag_missing_context(self):
# That the 'context' parameter must be present when takes_context is True
def a_simple_tag_without_parameters(arg):
"""Expected __doc__"""
return "Expected result"
register = template.Library()
decorator = register.simple_tag(takes_context=True)
self.assertRaises(template.TemplateSyntaxError, decorator, a_simple_tag_without_parameters)
def test_inclusion_tags(self):
c = template.Context({'value': 42})
t = template.Template('{% load custom %}{% inclusion_no_params %}')
self.assertEquals(t.render(c), u'inclusion_no_params - Expected result\n')
t = template.Template('{% load custom %}{% inclusion_one_param 37 %}')
self.assertEquals(t.render(c), u'inclusion_one_param - Expected result: 37\n')
t = template.Template('{% load custom %}{% inclusion_explicit_no_context 37 %}')
self.assertEquals(t.render(c), u'inclusion_explicit_no_context - Expected result: 37\n')
t = template.Template('{% load custom %}{% inclusion_no_params_with_context %}')
self.assertEquals(t.render(c), u'inclusion_no_params_with_context - Expected result (context value: 42)\n')
t = template.Template('{% load custom %}{% inclusion_params_and_context 37 %}')
self.assertEquals(t.render(c), u'inclusion_params_and_context - Expected result (context value: 42): 37\n')
def test_inclusion_tag_registration(self):
# Test that the decorators preserve the decorated function's docstring, name and attributes.
self.verify_tag(custom.inclusion_no_params, 'inclusion_no_params')
self.verify_tag(custom.inclusion_one_param, 'inclusion_one_param')
self.verify_tag(custom.inclusion_explicit_no_context, 'inclusion_explicit_no_context')
self.verify_tag(custom.inclusion_no_params_with_context, 'inclusion_no_params_with_context')
self.verify_tag(custom.inclusion_params_and_context, 'inclusion_params_and_context')
|
