blob: a1b33b26fad2f62fa78d338c3071ddb9bcf4fd60 (
plain)
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
|
from __future__ import unicode_literals
from django.core.exceptions import FieldError
from django.test import TestCase
from .models import User, Poll, Choice
class ReverseLookupTests(TestCase):
def setUp(self):
john = User.objects.create(name="John Doe")
jim = User.objects.create(name="Jim Bo")
first_poll = Poll.objects.create(
question="What's the first question?",
creator=john
)
second_poll = Poll.objects.create(
question="What's the second question?",
creator=jim
)
Choice.objects.create(
poll=first_poll,
related_poll=second_poll,
name="This is the answer."
)
def test_reverse_by_field(self):
u1 = User.objects.get(
poll__question__exact="What's the first question?"
)
self.assertEqual(u1.name, "John Doe")
u2 = User.objects.get(
poll__question__exact="What's the second question?"
)
self.assertEqual(u2.name, "Jim Bo")
def test_reverse_by_related_name(self):
p1 = Poll.objects.get(poll_choice__name__exact="This is the answer.")
self.assertEqual(p1.question, "What's the first question?")
p2 = Poll.objects.get(
related_choice__name__exact="This is the answer.")
self.assertEqual(p2.question, "What's the second question?")
def test_reverse_field_name_disallowed(self):
"""
If a related_name is given you can't use the field name instead
"""
self.assertRaises(FieldError, Poll.objects.get,
choice__name__exact="This is the answer")
|
