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-rw-r--r--tests/unit/auth/test_migrations_drop_tables.py64
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/unit/auth/test_migrations_drop_tables.py b/tests/unit/auth/test_migrations_drop_tables.py
new file mode 100644
index 0000000..dfab3f6
--- /dev/null
+++ b/tests/unit/auth/test_migrations_drop_tables.py
@@ -0,0 +1,64 @@
+"""Test migrations that create tables"""
+from contextlib import closing
+
+import pytest
+import sqlite3
+
+from gn3.migrations import get_migration, apply_migrations, rollback_migrations
+from tests.unit.auth.conftest import (
+ apply_single_migration, rollback_single_migration, migrations_up_to)
+
+test_params = (
+ ("20221114_02_DKKjn-drop-generic-role-tables.py", "generic_roles"),
+ ("20221114_02_DKKjn-drop-generic-role-tables.py", "generic_role_privileges"))
+
+@pytest.mark.unit_test
+@pytest.mark.parametrize("migration_file,the_table", test_params)
+def test_drop_table(
+ auth_testdb_path, auth_migrations_dir, backend, all_migrations,
+ migration_file, the_table):
+ """
+ GIVEN: A database migration script to create table, `the_table`
+ WHEN: The migration is applied
+ THEN: Ensure that the table `the_table` is created
+ """
+ migration_path=f"{auth_migrations_dir}/{migration_file}"
+ older_migrations = migrations_up_to(migration_path, auth_migrations_dir)
+ the_migration = get_migration(migration_path)
+ apply_migrations(backend, older_migrations)
+ 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_before_migration = cursor.fetchall()
+ apply_single_migration(backend, the_migration)
+ cursor.execute("SELECT name FROM sqlite_schema WHERE type='table'")
+ result_after_migration = cursor.fetchall()
+
+ rollback_migrations(backend, older_migrations + [the_migration])
+ assert the_table in [row[0] for row in result_before_migration]
+ assert the_table not in [row[0] for row in result_after_migration]
+
+@pytest.mark.unit_test
+@pytest.mark.parametrize("migration_file,the_table", test_params)
+def test_rollback_drop_table(
+ auth_testdb_path, auth_migrations_dir, backend, migration_file,
+ the_table):
+ """
+ GIVEN: A database migration script to create the table `the_table`
+ WHEN: The migration is rolled back
+ THEN: Ensure that the table `the_table` no longer exists
+ """
+ migration_path=f"{auth_migrations_dir}/{migration_file}"
+ older_migrations = migrations_up_to(migration_path, auth_migrations_dir)
+ the_migration = get_migration(migration_path)
+ apply_migrations(backend, older_migrations)
+ with closing(sqlite3.connect(auth_testdb_path)) as conn, closing(conn.cursor()) as cursor:
+ apply_single_migration(backend, the_migration)
+ cursor.execute("SELECT name FROM sqlite_schema WHERE type='table'")
+ result_after_migration = cursor.fetchall()
+ rollback_single_migration(backend, the_migration)
+ cursor.execute("SELECT name FROM sqlite_schema WHERE type='table'")
+ result_after_rollback = cursor.fetchall()
+
+ rollback_migrations(backend, older_migrations)
+ assert the_table not in [row[0] for row in result_after_migration]
+ assert the_table in [row[0] for row in result_after_rollback]