From 8b7c598407a5fea9a3d78473e72df87606998cd4 Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Fri, 4 Aug 2023 10:10:28 +0300
Subject: Copy over files from GN3 repository.

---
 tests/unit/auth/test_migrations_indexes.py | 97 ++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 tests/unit/auth/test_migrations_indexes.py

(limited to 'tests/unit/auth/test_migrations_indexes.py')

diff --git a/tests/unit/auth/test_migrations_indexes.py b/tests/unit/auth/test_migrations_indexes.py
new file mode 100644
index 0000000..b1f06d9
--- /dev/null
+++ b/tests/unit/auth/test_migrations_indexes.py
@@ -0,0 +1,97 @@
+"""Test that indexes are created and removed."""
+import pytest
+
+from gn3.auth import db
+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)
+
+QUERY = """
+SELECT name FROM sqlite_master WHERE type='index' AND tbl_name = ?
+AND name= ?
+"""
+
+migrations_tables_and_indexes = (
+    ("20221110_07_7WGa1-create-role-privileges-table.py", "role_privileges",
+     "idx_tbl_role_privileges_cols_role_id"),
+    ("20221114_01_n8gsF-create-generic-role-privileges-table.py",
+     "generic_role_privileges",
+     "idx_tbl_generic_role_privileges_cols_generic_role_id"),
+    ("20221114_03_PtWjc-create-group-roles-table.py", "group_roles",
+     "idx_tbl_group_roles_cols_group_id"),
+    ("20221114_05_hQun6-create-user-roles-table.py", "user_roles",
+     "idx_tbl_user_roles_cols_user_id"),
+    ("20221117_02_fmuZh-create-group-users-table.py", "group_users",
+     "tbl_group_users_cols_group_id"),
+    ("20221206_01_BbeF9-create-group-user-roles-on-resources-table.py",
+     "group_user_roles_on_resources",
+     "idx_tbl_group_user_roles_on_resources_group_user_resource"))
+
+@pytest.mark.unit_test
+@pytest.mark.parametrize(
+    "migration_file,the_table,the_index", migrations_tables_and_indexes)
+def test_index_created(# pylint: disable=[too-many-arguments]
+        auth_testdb_path, auth_migrations_dir, backend, migration_file,
+        the_table, the_index):
+    """
+    GIVEN: A database migration
+    WHEN: The migration is applied
+    THEN: Ensure the given index is created for the provided table
+    """
+    migration_path=f"{auth_migrations_dir}/{migration_file}"
+    older_migrations = migrations_up_to(migration_path, auth_migrations_dir)
+    the_migration = get_migration(migration_path)
+    query_params = (the_table, the_index)
+    apply_migrations(backend, older_migrations)
+    with db.connection(auth_testdb_path) as conn, db.cursor(conn) as cursor:
+        cursor.execute(QUERY, query_params)
+        result_before_migration = cursor.fetchall()
+        apply_single_migration(backend, the_migration)
+        cursor.execute(QUERY, query_params)
+        result_after_migration = cursor.fetchall()
+
+    rollback_migrations(backend, older_migrations + [the_migration])
+    assert the_index not in [row[0] for row in result_before_migration], (
+        f"Index '{the_index}' was found for table '{the_table}' before migration.")
+    assert (
+        len(result_after_migration) == 1
+        and result_after_migration[0][0] == the_index), (
+        f"Index '{the_index}' was not found for table '{the_table}' after migration.")
+
+@pytest.mark.unit_test
+@pytest.mark.parametrize(
+    "migration_file,the_table,the_index", migrations_tables_and_indexes)
+def test_index_dropped(# pylint: disable=[too-many-arguments]
+        auth_testdb_path, auth_migrations_dir, backend, migration_file,
+        the_table, the_index):
+    """
+    GIVEN: A database migration
+    WHEN: The migration is rolled-back
+    THEN: Ensure the given index no longer exists for the given table
+    """
+    migration_path=f"{auth_migrations_dir}/{migration_file}"
+    older_migrations = migrations_up_to(migration_path, auth_migrations_dir)
+    the_migration = get_migration(migration_path)
+    query_params = (the_table, the_index)
+    apply_migrations(backend, older_migrations)
+    with db.connection(auth_testdb_path) as conn, db.cursor(conn) as cursor:
+        cursor.execute(QUERY, query_params)
+        result_before_migration = cursor.fetchall()
+        apply_single_migration(backend, the_migration)
+        cursor.execute(QUERY, query_params)
+        result_after_migration = cursor.fetchall()
+        rollback_single_migration(backend, the_migration)
+        cursor.execute(QUERY, query_params)
+        result_after_rollback = cursor.fetchall()
+
+    rollback_migrations(backend, older_migrations)
+    assert the_index not in [row[0] for row in result_before_migration], (
+        f"Index '{the_index}' was found for table '{the_table}' before "
+        "migration")
+    assert (
+        len(result_after_migration) == 1
+        and result_after_migration[0][0] == the_index), (
+        f"Index '{the_index}' was not found for table '{the_table}' after migration.")
+    assert the_index not in [row[0] for row in result_after_rollback], (
+        f"Index '{the_index}' was found for table '{the_table}' after "
+        "rollback")
-- 
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