1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
"""Test migrations that create tables"""
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)
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,
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 db.connection(auth_testdb_path) as conn, db.cursor(conn) 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 db.connection(auth_testdb_path) as conn, db.cursor(conn) 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]
|
