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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
import unittest
from django.db import models
from django.contrib import admin
from django.contrib.admin.util import display_for_field, label_for_field
from django.contrib.admin.views.main import EMPTY_CHANGELIST_VALUE
from models import Article
class UtilTests(unittest.TestCase):
def test_null_display_for_field(self):
"""
Regression test for #12550: display_for_field should handle None
value.
"""
display_value = display_for_field(None, models.CharField())
self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
display_value = display_for_field(None, models.CharField(
choices=(
(None, "test_none"),
)
))
self.assertEqual(display_value, "test_none")
display_value = display_for_field(None, models.DateField())
self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
display_value = display_for_field(None, models.TimeField())
self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
display_value = display_for_field(None, models.NullBooleanField())
self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
display_value = display_for_field(None, models.DecimalField())
self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
display_value = display_for_field(None, models.FloatField())
self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
def test_label_for_field(self):
"""
Tests for label_for_field
"""
self.assertEquals(
label_for_field("title", Article),
"title"
)
self.assertEquals(
label_for_field("title2", Article),
"another name"
)
self.assertEquals(
label_for_field("title2", Article, return_attr=True),
("another name", None)
)
self.assertEquals(
label_for_field("__unicode__", Article),
"article"
)
self.assertEquals(
label_for_field("__str__", Article),
"article"
)
self.assertRaises(
AttributeError,
lambda: label_for_field("unknown", Article)
)
def test_callable(obj):
return "nothing"
self.assertEquals(
label_for_field(test_callable, Article),
"test_callable"
)
self.assertEquals(
label_for_field(test_callable, Article, return_attr=True),
("test_callable", test_callable)
)
self.assertEquals(
label_for_field("test_from_model", Article),
"test_from_model"
)
self.assertEquals(
label_for_field("test_from_model", Article, return_attr=True),
("test_from_model", Article.test_from_model)
)
self.assertEquals(
label_for_field("test_from_model_with_override", Article),
"not what you expect"
)
self.assertEquals(
label_for_field(lambda x: "nothing", Article),
"--"
)
class MockModelAdmin(object):
def test_from_model(self, obj):
return "nothing"
test_from_model.short_description = "not really the model"
self.assertEquals(
label_for_field("test_from_model", Article, model_admin=MockModelAdmin),
"not really the model"
)
self.assertEquals(
label_for_field("test_from_model", Article,
model_admin = MockModelAdmin,
return_attr = True
),
("not really the model", MockModelAdmin.test_from_model)
)
|
