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"""Test that indexes are created and removed."""
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)
query = """
SELECT name FROM sqlite_master WHERE type='index' AND tbl_name = ?
AND name= ?
"""
migrations_tables_and_indexes = (
("20221110_05_BaNtL-create-roles-table.py", "roles",
"idx_tbl_roles_cols_group_id"),
("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"))
@pytest.mark.unit_test
@pytest.mark.parametrize(
"migration_file,the_table,the_index", migrations_tables_and_indexes)
def test_index_created(
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 closing(sqlite3.connect(auth_testdb_path)) as conn, closing(conn.cursor()) 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 not found for table '{the_table}'.")
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}'.")
@pytest.mark.unit_test
@pytest.mark.parametrize(
"migration_file,the_table,the_index", migrations_tables_and_indexes)
def test_index_dropped(
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 closing(sqlite3.connect(auth_testdb_path)) as conn, closing(conn.cursor()) 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}'.")
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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