Migrations: Init `resource_categories` with initial categories

* migrations/auth/20221108_04_CKcSL-init-data-in-resource-categories-table.py:
  new migration.
* tests/unit/auth/test_migration_init_data_in_resource_categories_table.py:
  test new migration.

1 files changed, 28 insertions, 0 deletions

diff --git a/tests/unit/auth/test_migration_init_data_in_resource_categories_table.py b/tests/unit/auth/test_migration_init_data_in_resource_categories_table.py
new file mode 100644
index 0000000..4b5a039
--- /dev/null
+++ b/tests/unit/auth/test_migration_init_data_in_resource_categories_table.py
@@ -0,0 +1,28 @@
+"""
+Test that the `resource_categories` table is initialised with the startup data.
+"""
+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)
+
+migration_path = "migrations/auth/20221108_04_CKcSL-init-data-in-resource-categories-table.py"
+
+@pytest.mark.unit_test
+def test_apply_init_data(auth_testdb_path, auth_migrations_dir, backend):
+    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 * FROM resource_categories")
+        assert len(cursor.fetchall()) == 0, "Expected empty table."
+        apply_single_migration(auth_testdb_path, the_migration)
+        cursor.execute("SELECT * FROM resource_categories")
+        results = cursor.fetchall()
+        assert len(results) == 3, "Expected 3 rows of data."
+
+    rollback_migrations(backend, older_migrations + [the_migration])