Наследование: IVsPackageSourceProvider
        public void FallbackToCacheDoesntHappenWhenAggregateIsUsedAndLocalSourceIsAvailable()
        {
            // Arrange
            string localdrive = System.Environment.GetEnvironmentVariable("TEMP");
            var userSettings = new Mock<ISettings>();
            userSettings.Setup(s => s.GetSettingValues("packageSources", true)).Returns(new[]
            {
                new SettingValue("one", @"\\LetsHopeThisDirectory\IsNotAvaialble", false),
                new SettingValue("two", localdrive, false),
                new SettingValue("three", @"http://SomeHttpSource/NotAvailable", false),
            });

            userSettings.Setup(s => s.GetValues("activePackageSource"))
                        .Returns(new[] { new KeyValuePair<string, string>("All", @"(All)"),
                                         });

            var provider = new VsPackageSourceProvider(userSettings.Object, CreateDefaultSourceProvider(userSettings.Object), new

Mock<IVsShellInfo>().Object);
            var activeSource = provider.ActivePackageSource;

            var packageManagerFactory = new Mock<IVsPackageManagerFactory>();
            var repositoryFactory = new Mock<IPackageRepositoryFactory>();
            var vsPackageManager = new MockVsPackageManager();
            packageManagerFactory.Setup(m => m.CreatePackageManager()).Returns(vsPackageManager);
            var sourceVsPackageManager = new MockVsPackageManager();
            packageManagerFactory.Setup(m => m.CreatePackageManager(It.IsAny<IPackageRepository>(), true)).Returns(sourceVsPackageManager);

            //Act           
            var cmdlet = new InstallPackageCommand(TestUtils.GetSolutionManager(),
                packageManagerFactory.Object, repositoryFactory.Object,
                provider, null, null,
                new Mock<IVsCommonOperations>().Object, new Mock<IDeleteOnRestartManager>().Object, false);
            cmdlet.Id = "my-id";
            cmdlet.Execute();

            // Assert
            Assert.NotEqual(cmdlet.Source, NuGet.MachineCache.Default.Source);
        }
        public void InstallPackageCmdletFallsbackToCacheWhenNetworkIsUnavailable()
        {
            // Arrange
            var packageManagerFactory = new Mock<IVsPackageManagerFactory>();
            var repositoryFactory = new Mock<IPackageRepositoryFactory>();
            var vsPackageManager = new MockVsPackageManager();
            packageManagerFactory.Setup(m => m.CreatePackageManager()).Returns(vsPackageManager);
            var sourceVsPackageManager = new MockVsPackageManager();
            packageManagerFactory.Setup(m => m.CreatePackageManager(It.IsAny<IPackageRepository>(), true)).Returns(sourceVsPackageManager);

            var userSettings = new Mock<ISettings>();
            userSettings.Setup(s => s.GetSettingValues("packageSources", true)).Returns(new[]
            {
                new SettingValue("one", @"\\LetsHopeThisDirectory\IsNotAvaialble", false),
            });

            userSettings.Setup(s => s.GetValues("activePackageSource"))
                        .Returns(new[] { new KeyValuePair<string, string>("one", @"\\LetsHopeThisDirectory\IsNotAvaialble") });

            var provider = new VsPackageSourceProvider(userSettings.Object, CreateDefaultSourceProvider(userSettings.Object), new

Mock<IVsShellInfo>().Object);
            var activeSource = provider.ActivePackageSource;


            //Act           
            var cmdlet = new InstallPackageCommand(TestUtils.GetSolutionManager(),
                packageManagerFactory.Object, repositoryFactory.Object,
                provider, null, null,
                new Mock<IVsCommonOperations>().Object, new Mock<IDeleteOnRestartManager>().Object, false);
            cmdlet.Id = "my-id";
            cmdlet.Execute();

            // Assert
            Assert.Equal(cmdlet.Source, NuGet.MachineCache.Default.Source);
        }