1 files changed, 39 insertions, 0 deletions
diff --git a/tests/unit/auth/test_migration_create_users_table.py b/tests/unit/auth/test_migration_create_users_table.py
new file mode 100644
index 0000000..c97c050
--- /dev/null
+++ b/tests/unit/auth/test_migration_create_users_table.py
@@ -0,0 +1,39 @@
+"""Test the auth database initialisation migration."""
+from contextlib import closing
+
+import pytest
+import sqlite3
+
+from gn3.migrations import get_migration, apply_migrations, rollback_migrations
+from tests.unit.conftest import (
+    apply_single_migration, rollback_single_migration)
+
+migration_path = "migrations/auth/20221103_01_js9ub-initialise-the-auth-entic-oris-ation-database.py"
+
+@pytest.mark.unit_test
+def test_create_users_table(auth_testdb_path):
+    """
+    GIVEN: A database migration script to create the `users` table
+    WHEN: The migration is applied
+    THEN: Ensure that the table is created
+    """
+    with closing(sqlite3.connect(auth_testdb_path)) as conn, closing(conn.cursor()) as cursor:
+        cursor.execute("SELECT name FROM sqlite_schema WHERE type='table'")
+        result = cursor.fetchall()
+        assert "users" not in [row[0] for row in cursor.fetchall()]
+        apply_single_migration(auth_testdb_path, get_migration(migration_path))
+        cursor.execute("SELECT name FROM sqlite_schema WHERE type='table'")
+        assert "users" in [row[0] for row in cursor.fetchall()]
+
+@pytest.mark.unit_test
+def test_rollback_create_users_table(auth_testdb_path):
+    """
+    GIVEN: A database migration script to create the `users` table
+    WHEN: The migration is rolled back
+    THEN: Ensure that the `users` table no longer exists
+    """
+    with closing(sqlite3.connect(auth_testdb_path)) as conn, closing(conn.cursor()) as cursor:
+        apply_single_migration(auth_testdb_path, get_migration(migration_path))
+        rollback_single_migration(auth_testdb_path, get_migration(migration_path))
+        cursor.execute("SELECT name FROM sqlite_schema WHERE type='table'")
+        assert "users" not in [row[0] for row in cursor.fetchall()]