mirror of https://github.com/AMT-Cheif/drift.git
57 lines
1.7 KiB
Dart
57 lines
1.7 KiB
Dart
import 'package:migrations_example/database.dart';
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import 'package:drift/drift.dart';
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import 'package:test/test.dart';
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import 'package:drift_dev/api/migrations.dart';
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// Import the generated schema helper to instantiate databases at old versions.
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import 'generated/schema.dart';
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import 'generated/schema_v1.dart' as v1;
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import 'generated/schema_v2.dart' as v2;
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void main() {
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driftRuntimeOptions.dontWarnAboutMultipleDatabases = true;
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late SchemaVerifier verifier;
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setUpAll(() {
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verifier = SchemaVerifier(GeneratedHelper());
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});
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test('upgrade from v1 to v2', () async {
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final schema = await verifier.schemaAt(1);
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// Add some data to the users table, which only has an id column at v1
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final oldDb = v1.DatabaseAtV1.connect(schema.newConnection());
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await oldDb.into(oldDb.users).insert(const v1.UsersCompanion(id: Value(1)));
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await oldDb.close();
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// Run the migration and verify that it adds the name column.
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final db = Database(schema.newConnection());
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await verifier.migrateAndValidate(db, 2);
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await db.close();
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// Make sure the user is still here
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final migratedDb = v2.DatabaseAtV2.connect(schema.newConnection());
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final user = await migratedDb.select(migratedDb.users).getSingle();
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expect(user.id, 1);
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expect(user.name, 'no name'); // default from the migration
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await migratedDb.close();
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});
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test('upgrade from v2 to v3', () async {
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final connection = await verifier.startAt(2);
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final db = Database(connection);
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await verifier.migrateAndValidate(db, 3);
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await db.close();
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});
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test('upgrade from v3 to v4', () async {
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final connection = await verifier.startAt(3);
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final db = Database(connection);
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await verifier.migrateAndValidate(db, 4);
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await db.close();
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});
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}
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