test/downgrade/unlock_if_necessary_test.dart

// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:test/test.dart';

import '../descriptor.dart' as d;
import '../test_pub.dart';

void main() {
  test(
      "downgrades one locked hosted package's dependencies if it's "
      'necessary', () async {
    final server = await servePackages();
    server.serve('foo', '2.0.0', deps: {'foo_dep': 'any'});
    server.serve('foo_dep', '2.0.0');

    await d.appDir(dependencies: {'foo': 'any'}).create();

    await pubGet();

    await d.appPackageConfigFile([
      d.packageConfigEntry(name: 'foo', version: '2.0.0'),
      d.packageConfigEntry(name: 'foo_dep', version: '2.0.0'),
    ]).validate();

    server.serve('foo', '1.0.0', deps: {'foo_dep': '<2.0.0'});
    server.serve('foo_dep', '1.0.0');

    await pubDowngrade(args: ['foo']);

    await d.appPackageConfigFile([
      d.packageConfigEntry(name: 'foo', version: '1.0.0'),
      d.packageConfigEntry(name: 'foo_dep', version: '1.0.0'),
    ]).validate();
  });
}