Migrations: Add column `group_role_id` to `group_roles` table

* migrations/auth/20221117_01_RDlfx-modify-group-roles-add-group-role-id.py:
  new migration
* tests/unit/auth/test_migrations_add_remove_columns.py: test new migration

1 files changed, 47 insertions, 0 deletions

diff --git a/migrations/auth/20221117_01_RDlfx-modify-group-roles-add-group-role-id.py b/migrations/auth/20221117_01_RDlfx-modify-group-roles-add-group-role-id.py
new file mode 100644
index 0000000..7115bc3
--- /dev/null
+++ b/migrations/auth/20221117_01_RDlfx-modify-group-roles-add-group-role-id.py
@@ -0,0 +1,47 @@
+"""
+Modify 'group_roles': add 'group_role_id'
+
+At this point, there is no data in the `group_roles` table  and therefore, it
+should be safe to simply recreate it.
+"""
+
+from yoyo import step
+
+__depends__ = {'20221116_01_nKUmX-add-privileges-to-group-leader-role'}
+
+steps = [
+    step(
+        "DROP INDEX IF EXISTS idx_tbl_group_roles_cols_group_id",
+        """
+        CREATE INDEX IF NOT EXISTS idx_tbl_group_roles_cols_group_id
+        ON group_roles(group_id)
+        """),
+    step(
+        "DROP TABLE IF EXISTS group_roles",
+        """
+        CREATE TABLE IF NOT EXISTS group_roles(
+            group_id TEXT NOT NULL,
+            role_id TEXT NOT NULL,
+            PRIMARY KEY(group_id, role_id),
+            FOREIGN KEY(group_id) REFERENCES groups(group_id),
+            FOREIGN KEY(role_id) REFERENCES roles(role_id)
+        ) WITHOUT ROWID
+        """),
+    step(
+        """
+        CREATE TABLE IF NOT EXISTS group_roles(
+            group_role_id TEXT PRIMARY KEY,
+            group_id TEXT NOT NULL,
+            role_id TEXT NOT NULL,
+            FOREIGN KEY(group_id) REFERENCES groups(group_id),
+            FOREIGN KEY(role_id) REFERENCES roles(role_id)
+        ) WITHOUT ROWID
+        """,
+        "DROP TABLE IF EXISTS group_roles"),
+    step(
+        """
+        CREATE INDEX IF NOT EXISTS idx_tbl_group_roles_cols_group_id
+        ON group_roles(group_id)
+        """,
+        "DROP INDEX IF EXISTS idx_tbl_group_roles_cols_group_id")
+]