public async Task TestPacManReinstallPackages()
{
// Arrange
var sourceRepositoryProvider = TestSourceRepositoryUtility.CreateV2OnlySourceRepositoryProvider();
var testSolutionManager = new TestSolutionManager();
var testSettings = new NullSettings();
var token = CancellationToken.None;
var nuGetPackageManager = new NuGetPackageManager(sourceRepositoryProvider, testSettings, testSolutionManager);
var packagesFolderPath = PackagesFolderPathUtility.GetPackagesFolderPath(testSolutionManager, testSettings);
var packagePathResolver = new PackagePathResolver(packagesFolderPath);
var randomPackagesConfigFolderPath = TestFilesystemUtility.CreateRandomTestFolder();
var randomPackagesConfigPath = Path.Combine(randomPackagesConfigFolderPath, "packages.config");
var projectTargetFramework = NuGetFramework.Parse("net45");
var msBuildNuGetProjectSystem = new TestMSBuildNuGetProjectSystem(projectTargetFramework, new TestNuGetProjectContext());
var msBuildNuGetProject = new MSBuildNuGetProject(msBuildNuGetProjectSystem, packagesFolderPath, randomPackagesConfigPath);
var folderNuGetProject = msBuildNuGetProject.FolderNuGetProject;
var packageIdentity = MorePackageWithDependents[3]; // Microsoft.Net.Http.2.2.22
// Pre-Assert
// Check that the packages.config file does not exist
Assert.False(File.Exists(randomPackagesConfigPath));
// Check that there are no packages returned by PackagesConfigProject
var packagesInPackagesConfig = (await msBuildNuGetProject.PackagesConfigNuGetProject.GetInstalledPackagesAsync(token)).ToList();
Assert.Equal(0, packagesInPackagesConfig.Count);
Assert.Equal(0, msBuildNuGetProjectSystem.References.Count);
// Act
await nuGetPackageManager.InstallPackageAsync(msBuildNuGetProject, packageIdentity,
new ResolutionContext(), new TestNuGetProjectContext(), sourceRepositoryProvider.GetRepositories().First(), null, token);
// Assert
// Check that the packages.config file exists after the installation
Assert.True(File.Exists(randomPackagesConfigPath));
// Check the number of packages and packages returned by PackagesConfigProject after the installation
packagesInPackagesConfig = (await msBuildNuGetProject.PackagesConfigNuGetProject.GetInstalledPackagesAsync(token)).ToList();
Assert.Equal(3, packagesInPackagesConfig.Count);
Assert.Equal(packageIdentity, packagesInPackagesConfig[2].PackageIdentity);
Assert.Equal(projectTargetFramework, packagesInPackagesConfig[2].TargetFramework);
Assert.Equal(MorePackageWithDependents[0], packagesInPackagesConfig[1].PackageIdentity);
Assert.Equal(projectTargetFramework, packagesInPackagesConfig[1].TargetFramework);
Assert.Equal(MorePackageWithDependents[2], packagesInPackagesConfig[0].PackageIdentity);
Assert.Equal(projectTargetFramework, packagesInPackagesConfig[0].TargetFramework);
var installedPackageIdentities = (await msBuildNuGetProject.GetInstalledPackagesAsync(token))
.Select(pr => pr.PackageIdentity);
// Act
var packageActions = (await nuGetPackageManager.PreviewReinstallPackagesAsync(installedPackageIdentities, msBuildNuGetProject,
new ResolutionContext(DependencyBehavior.Highest), new TestNuGetProjectContext(), sourceRepositoryProvider.GetRepositories().First(),
null, token)).ToList();
// Assert
var singlePackageSource = sourceRepositoryProvider.GetRepositories().Single().PackageSource.Source;
Assert.Equal(6, packageActions.Count);
Assert.True(MorePackageWithDependents[3].Equals(packageActions[0].PackageIdentity));
Assert.Equal(NuGetProjectActionType.Uninstall, packageActions[0].NuGetProjectActionType);
Assert.True(MorePackageWithDependents[2].Equals(packageActions[1].PackageIdentity));
Assert.Equal(NuGetProjectActionType.Uninstall, packageActions[1].NuGetProjectActionType);
Assert.True(MorePackageWithDependents[0].Equals(packageActions[2].PackageIdentity));
Assert.Equal(NuGetProjectActionType.Uninstall, packageActions[2].NuGetProjectActionType);
Assert.True(MorePackageWithDependents[0].Equals(packageActions[3].PackageIdentity));
Assert.Equal(NuGetProjectActionType.Install, packageActions[3].NuGetProjectActionType);
Assert.Equal(singlePackageSource, packageActions[3].SourceRepository.PackageSource.Source);
Assert.True(MorePackageWithDependents[2].Equals(packageActions[4].PackageIdentity));
Assert.Equal(NuGetProjectActionType.Install, packageActions[4].NuGetProjectActionType);
Assert.Equal(singlePackageSource, packageActions[4].SourceRepository.PackageSource.Source);
Assert.True(MorePackageWithDependents[3].Equals(packageActions[5].PackageIdentity));
Assert.Equal(NuGetProjectActionType.Install, packageActions[5].NuGetProjectActionType);
Assert.Equal(singlePackageSource, packageActions[5].SourceRepository.PackageSource.Source);
// Main Act
await nuGetPackageManager.ExecuteNuGetProjectActionsAsync(msBuildNuGetProject, packageActions, new TestNuGetProjectContext(), token);
// Check that the packages.config file exists after the installation
Assert.True(File.Exists(randomPackagesConfigPath));
// Check the number of packages and packages returned by PackagesConfigProject after the installation
packagesInPackagesConfig = (await msBuildNuGetProject.PackagesConfigNuGetProject.GetInstalledPackagesAsync(token)).ToList();
Assert.Equal(3, packagesInPackagesConfig.Count);
Assert.Equal(packageIdentity, packagesInPackagesConfig[2].PackageIdentity);
Assert.Equal(projectTargetFramework, packagesInPackagesConfig[2].TargetFramework);
Assert.Equal(MorePackageWithDependents[0], packagesInPackagesConfig[1].PackageIdentity);
Assert.Equal(projectTargetFramework, packagesInPackagesConfig[1].TargetFramework);
Assert.Equal(MorePackageWithDependents[2], packagesInPackagesConfig[0].PackageIdentity);
Assert.Equal(projectTargetFramework, packagesInPackagesConfig[0].TargetFramework);
Assert.True(File.Exists(folderNuGetProject.GetInstalledPackageFilePath(packageIdentity)));
Assert.True(File.Exists(folderNuGetProject.GetInstalledPackageFilePath(MorePackageWithDependents[0])));
Assert.True(File.Exists(folderNuGetProject.GetInstalledPackageFilePath(MorePackageWithDependents[2])));
// Clean-up
TestFilesystemUtility.DeleteRandomTestFolders(testSolutionManager.SolutionDirectory, randomPackagesConfigFolderPath);
}