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Add foreign key example to migration test

This commit is contained in:
Simon Binder 2022-08-10 13:50:00 +02:00
parent 1edeb4fe45
commit ffeb3ef045
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1 changed files with 17 additions and 3 deletions
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20
examples/migrations_example/test/migration_test.dart
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@ -1,3 +1,4 @@
import 'package:drift/native.dart';
import 'package:migrations_example/database.dart';
import 'package:drift/drift.dart';
import 'package:test/test.dart';
@ -57,11 +58,24 @@ void main() {
});
test('upgrade from v4 to v5', () async {
final connection = await verifier.startAt(4);
final db = Database(connection);
final schema = await verifier.schemaAt(4);
final db = Database(schema.newConnection());
await verifier.migrateAndValidate(db, 5);
await db.close();
// Test that the foreign key reference introduced in v5 works as expected.
final migratedDb = v5.DatabaseAtV5.connect(schema.newConnection());
// The `foreign_keys` pragma is a per-connection option and the generated
// versioned classes don't enable it by default. So, enable it manually.
await migratedDb.customStatement('pragma foreign_keys = on;');
await migratedDb.into(migratedDb.users).insert(v5.UsersCompanion.insert());
await migratedDb
.into(migratedDb.users)
.insert(v5.UsersCompanion.insert(nextUser: Value(1)));
// Deleting the first user should now fail due to the constraint
await expectLater(migratedDb.users.deleteWhere((tbl) => tbl.id.equals(1)),
throwsA(isA<SqliteException>()));
});
test('view works after upgrade from v4 to v5', () async {