halkyon/test/check_files_test.dart

import 'package:test/test.dart';

import '../tool/src/check_files.dart';

void main() {
  test("our own Dart files are formatted: the apps', the shared packages', the "
      "tools'", () {
    for (final path in [
      'apps/learn/halkyon_learn_flutter/lib/main.dart',
      'apps/learn/halkyon_learn_server/lib/server.dart',
      'apps/learn/halkyon_learn_server/test/integration/auth/account_test.dart',
      'apps/todo/halkyon_todo_flutter/lib/main.dart',
      'packages/halkyon_app/lib/halkyon_app.dart',
      'packages/halkyon_base_server/lib/src/auth/email.dart',
      // SRP's client half, written by hand beside the module's generated
      // client, and its tests.
      'packages/halkyon_base_client/lib/srp.dart',
      'packages/halkyon_base_client/lib/src/srp/srp_client.dart',
      'packages/halkyon_base_client/test/srp_client_test.dart',
      'packages/halkyon_keys/lib/src/account_keys.dart',
      'tool/check.dart',
    ]) {
      expect(isOwnDartFile(path), isTrue, reason: path);
    }
  });

  test('what a generator writes is left as it wrote it', () {
    for (final path in [
      // The client packages, Serverpod's from top to bottom, but for the
      // module's SRP.
      'apps/learn/halkyon_learn_client/lib/src/protocol/client.dart',
      'apps/todo/halkyon_todo_client/lib/halkyon_todo_client.dart',
      'packages/halkyon_base_client/lib/src/protocol/protocol.dart',
      'packages/halkyon_base_client/lib/halkyon_base_client.dart',
      // A server's generated sources and test tools.
      'apps/learn/halkyon_learn_server/lib/src/generated/protocol.dart',
      'packages/halkyon_base_server/lib/src/generated/endpoints.dart',
      'apps/learn/halkyon_learn_server/test/integration/test_tools/serverpod_test_tools.dart',
      // gen-l10n's localizations, the app's and the shared packages'.
      'apps/learn/halkyon_learn_flutter/lib/l10n/app_localizations.dart',
      'apps/learn/halkyon_learn_flutter/lib/l10n/app_localizations_de.dart',
      'packages/halkyon_ui/lib/l10n/halkyon_ui_localizations_en.dart',
      'packages/halkyon_app/lib/l10n/halkyon_app_localizations.dart',
    ]) {
      expect(isOwnDartFile(path), isFalse, reason: path);
    }
  });

  test('the files of other languages are no Dart files', () {
    expect(isOwnDartFile('apps/learn/tool/app_icons.py'), isFalse);
    expect(
      isOwnDartFile('packages/halkyon_app/lib/l10n/halkyon_app_en.arb'),
      isFalse,
    );
  });

  group('what changed since a commit', () {
    const packages = {
      'halkyon_app': 'packages/halkyon_app',
      'halkyon_ui': 'packages/halkyon_ui',
      'halkyon_ui_example': 'packages/halkyon_ui/example',
      'halkyon_learn_flutter': 'apps/learn/halkyon_learn_flutter',
    };

    test('touches the packages its files are in, the innermost one', () {
      expect(
        packagesTouched([
          'packages/halkyon_app/lib/src/app/app_frame.dart',
          'packages/halkyon_app/test/app/instance_gate_test.dart',
          'packages/halkyon_ui/example/lib/main.dart',
        ], packages),
        ['halkyon_app', 'halkyon_ui_example'],
      );
    });

    test("files of no package (docs, tools, deploy) touch none: the tools' "
        'own tests run anyway', () {
      expect(
        packagesTouched([
          'docs/adr/0015-one-repository.md',
          'tool/check.dart',
          'deploy/compose.yaml',
        ], packages),
        isEmpty,
      );
    });

    test("the root's pubspec, lock or lint rules touch every package", () {
      for (final path in [
        'pubspec.yaml',
        'pubspec.lock',
        'analysis_options.yaml',
      ]) {
        expect(packagesTouched([path], packages), isNull, reason: path);
      }
    });
  });

  test("Melos' filters take every package, or those touched and what "
      'depends on them', () {
    expect(melosFilters(), isEmpty);
    expect(melosFilters(touched: ['halkyon_app', 'halkyon_ui']), [
      '--scope=halkyon_app',
      '--scope=halkyon_ui',
      '--include-dependents',
    ]);
  });
}