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
|
from datetime import datetime
from django.test import TestCase
from .models import Article, Category
class M2MMultipleTests(TestCase):
def test_multiple(self):
c1, c2, c3, c4 = [
Category.objects.create(name=name)
for name in ["Sports", "News", "Crime", "Life"]
]
a1 = Article.objects.create(
headline="Parrot steals", pub_date=datetime(2005, 11, 27)
)
a1.primary_categories.add(c2, c3)
a1.secondary_categories.add(c4)
a2 = Article.objects.create(
headline="Parrot runs", pub_date=datetime(2005, 11, 28)
)
a2.primary_categories.add(c1, c2)
a2.secondary_categories.add(c4)
self.assertQuerysetEqual(
a1.primary_categories.all(), [
"Crime",
"News",
],
lambda c: c.name
)
self.assertQuerysetEqual(
a2.primary_categories.all(), [
"News",
"Sports",
],
lambda c: c.name
)
self.assertQuerysetEqual(
a1.secondary_categories.all(), [
"Life",
],
lambda c: c.name
)
self.assertQuerysetEqual(
c1.primary_article_set.all(), [
"Parrot runs",
],
lambda a: a.headline
)
self.assertQuerysetEqual(
c1.secondary_article_set.all(), []
)
self.assertQuerysetEqual(
c2.primary_article_set.all(), [
"Parrot steals",
"Parrot runs",
],
lambda a: a.headline
)
self.assertQuerysetEqual(
c2.secondary_article_set.all(), []
)
self.assertQuerysetEqual(
c3.primary_article_set.all(), [
"Parrot steals",
],
lambda a: a.headline
)
self.assertQuerysetEqual(
c3.secondary_article_set.all(), []
)
self.assertQuerysetEqual(
c4.primary_article_set.all(), []
)
self.assertQuerysetEqual(
c4.secondary_article_set.all(), [
"Parrot steals",
"Parrot runs",
],
lambda a: a.headline
)
|
