SendTrain/test/drift/sendtrain/migration_test.dart
2024-12-20 14:19:17 -05:00

105 lines
4.3 KiB
Dart

// dart format width=80
// ignore_for_file: unused_local_variable, unused_import
import 'package:drift/drift.dart';
import 'package:drift_dev/api/migrations_native.dart';
import 'package:sendtrain/database/database.dart';
import 'package:test/test.dart';
import 'generated/schema.dart';
import 'generated/schema_v1.dart' as v1;
import 'generated/schema_v2.dart' as v2;
void main() {
driftRuntimeOptions.dontWarnAboutMultipleDatabases = true;
late SchemaVerifier verifier;
setUpAll(() {
verifier = SchemaVerifier(GeneratedHelper());
});
group('simple database migrations', () {
// These simple tests verify all possible schema updates with a simple (no
// data) migration. This is a quick way to ensure that written database
// migrations properly alter the schema.
final versions = GeneratedHelper.versions;
for (final (i, fromVersion) in versions.indexed) {
group('from $fromVersion', () {
for (final toVersion in versions.skip(i + 1)) {
test('to $toVersion', () async {
final schema = await verifier.schemaAt(fromVersion);
final db = AppDatabase(schema.newConnection());
await verifier.migrateAndValidate(db, toVersion);
await db.close();
});
}
});
}
});
// The following template shows how to write tests ensuring your migrations
// preserve existing data.
// Testing this can be useful for migrations that change existing columns
// (e.g. by alterating their type or constraints). Migrations that only add
// tables or columns typically don't need these advanced tests. For more
// information, see https://drift.simonbinder.eu/migrations/tests/#verifying-data-integrity
// TODO: This generated template shows how these tests could be written. Adopt
// it to your own needs when testing migrations with data integrity.
test("migration from v1 to v2 does not corrupt data", () async {
// Add data to insert into the old database, and the expected rows after the
// migration.
// TODO: Fill these lists
final oldSessionsData = <v1.SessionsData>[];
final expectedNewSessionsData = <v2.SessionsData>[];
final oldActivitiesData = <v1.ActivitiesData>[];
final expectedNewActivitiesData = <v2.ActivitiesData>[];
final oldSessionActivitiesData = <v1.SessionActivitiesData>[];
final expectedNewSessionActivitiesData = <v2.SessionActivitiesData>[];
final oldActionsData = <v1.ActionsData>[];
final expectedNewActionsData = <v2.ActionsData>[];
final oldActivityActionsData = <v1.ActivityActionsData>[];
final expectedNewActivityActionsData = <v2.ActivityActionsData>[];
final oldMediaItemsData = <v1.MediaItemsData>[];
final expectedNewMediaItemsData = <v2.MediaItemsData>[];
final oldObjectMediaItemsData = <v1.ObjectMediaItemsData>[];
final expectedNewObjectMediaItemsData = <v2.ObjectMediaItemsData>[];
await verifier.testWithDataIntegrity(
oldVersion: 1,
newVersion: 2,
createOld: v1.DatabaseAtV1.new,
createNew: v2.DatabaseAtV2.new,
openTestedDatabase: AppDatabase.new,
createItems: (batch, oldDb) {
batch.insertAll(oldDb.sessions, oldSessionsData);
batch.insertAll(oldDb.activities, oldActivitiesData);
batch.insertAll(oldDb.sessionActivities, oldSessionActivitiesData);
batch.insertAll(oldDb.actions, oldActionsData);
batch.insertAll(oldDb.activityActions, oldActivityActionsData);
batch.insertAll(oldDb.mediaItems, oldMediaItemsData);
batch.insertAll(oldDb.objectMediaItems, oldObjectMediaItemsData);
},
validateItems: (newDb) async {
expect(
expectedNewSessionsData, await newDb.select(newDb.sessions).get());
expect(expectedNewActivitiesData,
await newDb.select(newDb.activities).get());
expect(expectedNewSessionActivitiesData,
await newDb.select(newDb.sessionActivities).get());
expect(expectedNewActionsData, await newDb.select(newDb.actions).get());
expect(expectedNewActivityActionsData,
await newDb.select(newDb.activityActions).get());
expect(expectedNewMediaItemsData,
await newDb.select(newDb.mediaItems).get());
expect(expectedNewObjectMediaItemsData,
await newDb.select(newDb.objectMediaItems).get());
},
);
});
}