test/hosted/offline_test.dart

// Copyright (c) 2012, 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 'package:pub/src/exit_codes.dart' as exit_codes;

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

main() {
  forBothPubGetAndUpgrade((command) {
    test('upgrades a package using the cache', () async {
      // Run the server so that we know what URL to use in the system cache.
      await serveErrors();

      await d.cacheDir({
        "foo": ["1.2.2", "1.2.3"],
        "bar": ["1.2.3"]
      }, includePubspecs: true).create();

      await d.appDir({"foo": "any", "bar": "any"}).create();

      var warning;
      if (command == RunCommand.upgrade) {
        warning = "Warning: Upgrading when offline may not update you "
            "to the latest versions of your dependencies.";
      }

      await pubCommand(command, args: ['--offline'], warning: warning);

      await d.appPackagesFile({"foo": "1.2.3", "bar": "1.2.3"}).validate();
    });

    test('supports prerelease versions', () async {
      // Run the server so that we know what URL to use in the system cache.
      await serveErrors();

      await d.cacheDir({
        "foo": ["1.2.3-alpha.1"]
      }, includePubspecs: true).create();

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

      var warning;
      if (command == RunCommand.upgrade) {
        warning = "Warning: Upgrading when offline may not update you "
            "to the latest versions of your dependencies.";
      }

      await pubCommand(command, args: ['--offline'], warning: warning);

      await d.appPackagesFile({"foo": "1.2.3-alpha.1"}).validate();
    });

    test('fails gracefully if a dependency is not cached', () async {
      // Run the server so that we know what URL to use in the system cache.
      await serveErrors();

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

      await pubCommand(command,
          args: ['--offline'],
          exitCode: exit_codes.UNAVAILABLE,
          error: equalsIgnoringWhitespace("""
            Because myapp depends on foo any which doesn't exist (could not find
              package foo in cache), version solving failed.
          """));
    });

    test('fails gracefully if no cached versions match', () async {
      // Run the server so that we know what URL to use in the system cache.
      await serveErrors();

      await d.cacheDir({
        "foo": ["1.2.2", "1.2.3"]
      }, includePubspecs: true).create();

      await d.appDir({"foo": ">2.0.0"}).create();

      await pubCommand(command,
          args: ['--offline'], error: equalsIgnoringWhitespace("""
            Because myapp depends on foo >2.0.0 which doesn't match any
              versions, version solving failed.
          """));
    });

    test(
        'fails gracefully if a dependency is not cached and a lockfile '
        'exists', () async {
      // Run the server so that we know what URL to use in the system cache.
      await serveErrors();

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

      await createLockFile('myapp', hosted: {'foo': '1.2.4'});

      await pubCommand(command,
          args: ['--offline'],
          exitCode: exit_codes.UNAVAILABLE,
          error: equalsIgnoringWhitespace("""
            Because myapp depends on foo any which doesn't exist (could not find
              package foo in cache), version solving failed.
          """));
    });

    test('downgrades to the version in the cache if necessary', () async {
      // Run the server so that we know what URL to use in the system cache.
      await serveErrors();

      await d.cacheDir({
        "foo": ["1.2.2", "1.2.3"]
      }, includePubspecs: true).create();

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

      await createLockFile('myapp', hosted: {'foo': '1.2.4'});

      await pubCommand(command, args: ['--offline']);

      await d.appPackagesFile({"foo": "1.2.3"}).validate();
    });

    test('skips invalid cached versions', () async {
      // Run the server so that we know what URL to use in the system cache.
      await serveErrors();

      await d.cacheDir({
        "foo": ["1.2.2", "1.2.3"]
      }, includePubspecs: true).create();

      await d.hostedCache([
        d.dir("foo-1.2.3", [d.file("pubspec.yaml", "{")])
      ]).create();

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

      await pubCommand(command, args: ['--offline']);

      await d.appPackagesFile({"foo": "1.2.2"}).validate();
    });

    test('skips invalid locked versions', () async {
      // Run the server so that we know what URL to use in the system cache.
      await serveErrors();

      await d.cacheDir({
        "foo": ["1.2.2", "1.2.3"]
      }, includePubspecs: true).create();

      await d.hostedCache([
        d.dir("foo-1.2.3", [d.file("pubspec.yaml", "{")])
      ]).create();

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

      await createLockFile('myapp', hosted: {'foo': '1.2.3'});

      await pubCommand(command, args: ['--offline']);

      await d.appPackagesFile({"foo": "1.2.2"}).validate();
    });
  });
}