Add test for pending migrations

From https://adamj.eu/tech/2024/06/23/django-test-pending-migrations/
philgyford · Jan 25, 2025 · a2d0e5f · a2d0e5f
1 parent add3e8b
commit a2d0e5f
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/tests/test_pending_migrations.py b/tests/test_pending_migrations.py
@@ -0,0 +1,15 @@
+from io import StringIO
+
+from django.core.management import call_command
+from django.test import TestCase
+
+
+class PendingMigrationsTests(TestCase):
+    def test_no_pending_migrations(self):
+        # No migrations pending
+        # See: https://adamj.eu/tech/2024/06/23/django-test-pending-migrations/
+        out = StringIO()
+        try:
+            call_command("makemigrations", "--check", stdout=out, stderr=StringIO())
+        except SystemExit:  # pragma: no cover
+            raise AssertionError("Pending migrations:\n" + out.getvalue()) from None