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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
from unittest import mock
from django.contrib import admin
from django.contrib.auth.models import User
from django.contrib.contenttypes.models import ContentType
from django.http import HttpResponse
from django.test import TestCase, override_settings
from django.urls import path, reverse
from .models import Book
class Router:
target_db = None
def db_for_read(self, model, **hints):
return self.target_db
db_for_write = db_for_read
def allow_relation(self, obj1, obj2, **hints):
return True
site = admin.AdminSite(name="test_adminsite")
site.register(Book)
def book(request, book_id):
b = Book.objects.get(id=book_id)
return HttpResponse(b.title)
urlpatterns = [
path("admin/", site.urls),
path("books/<book_id>/", book),
]
@override_settings(ROOT_URLCONF=__name__, DATABASE_ROUTERS=["%s.Router" % __name__])
class MultiDatabaseTests(TestCase):
databases = {"default", "other"}
READ_ONLY_METHODS = {"get", "options", "head", "trace"}
@classmethod
def setUpTestData(cls):
cls.superusers = {}
cls.test_book_ids = {}
for db in cls.databases:
Router.target_db = db
cls.superusers[db] = User.objects.create_superuser(
username="admin",
password="something",
email="test@test.org",
)
b = Book(name="Test Book")
b.save(using=db)
cls.test_book_ids[db] = b.id
def tearDown(self):
# Reset the routers' state between each test.
Router.target_db = None
@mock.patch("django.contrib.admin.options.transaction")
def test_add_view(self, mock):
for db in self.databases:
with self.subTest(db=db):
mock.mock_reset()
Router.target_db = db
self.client.force_login(self.superusers[db])
response = self.client.post(
reverse("test_adminsite:admin_views_book_add"),
{"name": "Foobar: 5th edition"},
)
self.assertEqual(response.status_code, 302)
self.assertEqual(
response.url, reverse("test_adminsite:admin_views_book_changelist")
)
mock.atomic.assert_called_with(using=db)
@mock.patch("django.contrib.admin.options.transaction")
def test_read_only_methods_add_view(self, mock):
for db in self.databases:
for method in self.READ_ONLY_METHODS:
with self.subTest(db=db, method=method):
mock.mock_reset()
Router.target_db = db
self.client.force_login(self.superusers[db])
response = getattr(self.client, method)(
reverse("test_adminsite:admin_views_book_add"),
)
self.assertEqual(response.status_code, 200)
mock.atomic.assert_not_called()
@mock.patch("django.contrib.admin.options.transaction")
def test_change_view(self, mock):
for db in self.databases:
with self.subTest(db=db):
mock.mock_reset()
Router.target_db = db
self.client.force_login(self.superusers[db])
response = self.client.post(
reverse(
"test_adminsite:admin_views_book_change",
args=[self.test_book_ids[db]],
),
{"name": "Test Book 2: Test more"},
)
self.assertEqual(response.status_code, 302)
self.assertEqual(
response.url, reverse("test_adminsite:admin_views_book_changelist")
)
mock.atomic.assert_called_with(using=db)
@mock.patch("django.contrib.admin.options.transaction")
def test_read_only_methods_change_view(self, mock):
for db in self.databases:
for method in self.READ_ONLY_METHODS:
with self.subTest(db=db, method=method):
mock.mock_reset()
Router.target_db = db
self.client.force_login(self.superusers[db])
response = getattr(self.client, method)(
reverse(
"test_adminsite:admin_views_book_change",
args=[self.test_book_ids[db]],
),
data={"name": "Test Book 2: Test more"},
)
self.assertEqual(response.status_code, 200)
mock.atomic.assert_not_called()
@mock.patch("django.contrib.admin.options.transaction")
def test_delete_view(self, mock):
for db in self.databases:
with self.subTest(db=db):
mock.mock_reset()
Router.target_db = db
self.client.force_login(self.superusers[db])
response = self.client.post(
reverse(
"test_adminsite:admin_views_book_delete",
args=[self.test_book_ids[db]],
),
{"post": "yes"},
)
self.assertEqual(response.status_code, 302)
self.assertEqual(
response.url, reverse("test_adminsite:admin_views_book_changelist")
)
mock.atomic.assert_called_with(using=db)
@mock.patch("django.contrib.admin.options.transaction")
def test_read_only_methods_delete_view(self, mock):
for db in self.databases:
for method in self.READ_ONLY_METHODS:
with self.subTest(db=db, method=method):
mock.mock_reset()
Router.target_db = db
self.client.force_login(self.superusers[db])
response = getattr(self.client, method)(
reverse(
"test_adminsite:admin_views_book_delete",
args=[self.test_book_ids[db]],
)
)
self.assertEqual(response.status_code, 200)
mock.atomic.assert_not_called()
class ViewOnSiteRouter:
def db_for_read(self, model, instance=None, **hints):
if model._meta.app_label in {"auth", "sessions", "contenttypes"}:
return "default"
return "other"
def db_for_write(self, model, **hints):
if model._meta.app_label in {"auth", "sessions", "contenttypes"}:
return "default"
return "other"
def allow_relation(self, obj1, obj2, **hints):
return obj1._state.db in {"default", "other"} and obj2._state.db in {
"default",
"other",
}
def allow_migrate(self, db, app_label, **hints):
return True
@override_settings(ROOT_URLCONF=__name__, DATABASE_ROUTERS=[ViewOnSiteRouter()])
class ViewOnSiteTests(TestCase):
databases = {"default", "other"}
def test_contenttype_in_separate_db(self):
ContentType.objects.using("other").all().delete()
book = Book.objects.using("other").create(name="other book")
user = User.objects.create_superuser(
username="super", password="secret", email="super@example.com"
)
book_type = ContentType.objects.get(app_label="admin_views", model="book")
self.client.force_login(user)
shortcut_url = reverse("admin:view_on_site", args=(book_type.pk, book.id))
response = self.client.get(shortcut_url, follow=False)
self.assertEqual(response.status_code, 302)
self.assertRegex(
response.url, f"http://(testserver|example.com)/books/{book.id}/"
)
|
