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Refs #28478 -- Prevented connection attempts against disallowed databases in tests.

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Mocking connect as well as cursor methods makes sure an appropriate error
message is surfaced when running a subset of test attempting to access a
a disallowed database.
This commit is contained in:
Simon Charette 2019-01-12 14:33:50 -05:00 • committed by Tim Graham
parent a96b901932
commit f5b635086a
3 changed files with 60 additions and 27 deletions
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13
tests/test_utils/test_testcase.py
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@ -1,4 +1,4 @@
from django.db import IntegrityError, transaction
from django.db import IntegrityError, connections, transaction
from django.test import TestCase, skipUnlessDBFeature
from .models import Car, PossessedCar
@ -19,6 +19,17 @@ class TestTestCase(TestCase):
finally:
self._rollback_atomics = rollback_atomics
def test_disallowed_database_connection(self):
message = (
"Database connections to 'other' are not allowed in this test. "
"Add 'other' to test_utils.test_testcase.TestTestCase.databases to "
"ensure proper test isolation and silence this failure."
)
with self.assertRaisesMessage(AssertionError, message):
connections['other'].connect()
with self.assertRaisesMessage(AssertionError, message):
connections['other'].temporary_connection()
def test_disallowed_database_queries(self):
message = (
"Database queries to 'other' are not allowed in this test. "