mirror of https://github.com/django/django.git
27 lines
1.3 KiB
Python
27 lines
1.3 KiB
Python
from django.core.exceptions import ImproperlyConfigured
|
|
from django.db.backends.utils import truncate_name
|
|
from django.db.utils import load_backend
|
|
from django.test import SimpleTestCase
|
|
|
|
|
|
class TestLoadBackend(SimpleTestCase):
|
|
def test_load_backend_invalid_name(self):
|
|
msg = (
|
|
"'foo' isn't an available database backend.\n"
|
|
"Try using 'django.db.backends.XXX', where XXX is one of:\n"
|
|
" 'mysql', 'oracle', 'postgresql', 'sqlite3'"
|
|
)
|
|
with self.assertRaisesMessage(ImproperlyConfigured, msg) as cm:
|
|
load_backend('foo')
|
|
self.assertEqual(str(cm.exception.__cause__), "No module named 'foo'")
|
|
|
|
def test_truncate_name(self):
|
|
self.assertEqual(truncate_name('some_table', 10), 'some_table')
|
|
self.assertEqual(truncate_name('some_long_table', 10), 'some_la38a')
|
|
self.assertEqual(truncate_name('some_long_table', 10, 3), 'some_loa38')
|
|
self.assertEqual(truncate_name('some_long_table'), 'some_long_table')
|
|
# "user"."table" syntax
|
|
self.assertEqual(truncate_name('username"."some_table', 10), 'username"."some_table')
|
|
self.assertEqual(truncate_name('username"."some_long_table', 10), 'username"."some_la38a')
|
|
self.assertEqual(truncate_name('username"."some_long_table', 10, 3), 'username"."some_loa38')
|