public void ReverseDependencyWalkerUsersVersionAndIdToDetermineVisited()
{
// Arrange
// A 1.0 -> B 1.0
IPackage packageA1 = PackageUtility.CreatePackage("A",
"1.0",
dependencies: new List<PackageDependency> {
PackageDependency.CreateDependency("B", "[1.0]")
});
// A 2.0 -> B 2.0
IPackage packageA2 = PackageUtility.CreatePackage("A",
"2.0",
dependencies: new List<PackageDependency> {
PackageDependency.CreateDependency("B", "[2.0]")
});
IPackage packageB1 = PackageUtility.CreatePackage("B", "1.0");
IPackage packageB2 = PackageUtility.CreatePackage("B", "2.0");
var mockRepository = new MockPackageRepository();
mockRepository.AddPackage(packageA1);
mockRepository.AddPackage(packageA2);
mockRepository.AddPackage(packageB1);
mockRepository.AddPackage(packageB2);
// Act
IDependentsResolver lookup = new DependentsWalker(mockRepository);
// Assert
Assert.Equal(0, lookup.GetDependents(packageA1).Count());
Assert.Equal(0, lookup.GetDependents(packageA2).Count());
Assert.Equal(1, lookup.GetDependents(packageB1).Count());
Assert.Equal(1, lookup.GetDependents(packageB2).Count());
}
public void ReverseDependencyWalkerUsersVersionAndIdToDetermineVisited()
{
// Arrange
// A 1.0 -> B 1.0
IPackage packageA1 = PackageUtility.CreatePackage("A",
"1.0",
dependencies: new List <PackageDependency> {
PackageDependency.CreateDependency("B", "[1.0]")
});
// A 2.0 -> B 2.0
IPackage packageA2 = PackageUtility.CreatePackage("A",
"2.0",
dependencies: new List <PackageDependency> {
PackageDependency.CreateDependency("B", "[2.0]")
});
IPackage packageB1 = PackageUtility.CreatePackage("B", "1.0");
IPackage packageB2 = PackageUtility.CreatePackage("B", "2.0");
var mockRepository = new MockPackageRepository();
mockRepository.AddPackage(packageA1);
mockRepository.AddPackage(packageA2);
mockRepository.AddPackage(packageB1);
mockRepository.AddPackage(packageB2);
// Act
IDependentsResolver lookup = new DependentsWalker(mockRepository);
// Assert
Assert.AreEqual(0, lookup.GetDependents(packageA1).Count());
Assert.AreEqual(0, lookup.GetDependents(packageA2).Count());
Assert.AreEqual(1, lookup.GetDependents(packageB1).Count());
Assert.AreEqual(1, lookup.GetDependents(packageB2).Count());
}
protected void CheckDependentPackages(
IPackage package,
IPackageRepository localRepository,
FrameworkName targetFramework)
{
// check if there is any other package depends on this package.
// if there is, throw to cancel the uninstallation
var dependentsWalker = new DependentsWalker(localRepository, targetFramework);
IList <IPackage> dependents = dependentsWalker.GetDependents(package).ToList();
if (dependents.Count > 0)
{
ShowProgressWindow();
throw new InvalidOperationException(
String.Format(
CultureInfo.CurrentCulture,
Resources.PackageHasDependents,
package.GetFullName(),
String.Join(", ", dependents.Select(d => d.GetFullName()))
)
);
}
}
protected void CheckDependentPackages(
IPackage package,
IPackageRepository localRepository,
FrameworkName targetFramework)
{
// check if there is any other package depends on this package.
// if there is, throw to cancel the uninstallation
var dependentsWalker = new DependentsWalker(localRepository, targetFramework);
IList<IPackage> dependents = dependentsWalker.GetDependents(package).ToList();
if (dependents.Count > 0)
{
ShowProgressWindow();
throw new InvalidOperationException(
String.Format(
CultureInfo.CurrentCulture,
Resources.PackageHasDependents,
package.GetFullName(),
String.Join(", ", dependents.Select(d => d.GetFullName()))
)
);
}
}
protected bool? AskRemoveDependencyAndCheckUninstallPSScript(IPackage package, bool checkDependents)
{
if (checkDependents)
{
// check if there is any other package depends on this package.
// if there is, throw to cancel the uninstallation
var dependentsWalker = new DependentsWalker(LocalRepository);
IList<IPackage> dependents = dependentsWalker.GetDependents(package).ToList();
if (dependents.Count > 0)
{
ShowProgressWindow();
throw new InvalidOperationException(
String.Format(
CultureInfo.CurrentCulture,
Resources.PackageHasDependents,
package.GetFullName(),
String.Join(", ", dependents.Select(d => d.GetFullName()))
)
);
}
}
var uninstallWalker = new UninstallWalker(
LocalRepository,
new DependentsWalker(LocalRepository),
logger: NullLogger.Instance,
removeDependencies: true,
forceRemove: false)
{
ThrowOnConflicts = false
};
IList<PackageOperation> operations = uninstallWalker.ResolveOperations(package).ToList();
var uninstallPackageNames = (from o in operations
where o.Action == PackageAction.Uninstall && !PackageEqualityComparer.IdAndVersion.Equals(o.Package, package)
select o.Package.ToString()).ToList();
bool? removeDependencies = false;
if (uninstallPackageNames.Count > 0)
{
// show each dependency package on one line
String packageNames = String.Join(Environment.NewLine, uninstallPackageNames);
String message = String.Format(CultureInfo.CurrentCulture, Resources.Dialog_RemoveDependencyMessage, package)
+ Environment.NewLine
+ Environment.NewLine
+ packageNames;
removeDependencies = _userNotifierServices.ShowRemoveDependenciesWindow(message);
}
if (removeDependencies == null)
{
return removeDependencies;
}
bool hasScriptPackages;
if (removeDependencies == true)
{
// if user wants to remove dependencies, we need to check all of them for PS scripts
var scriptPackages = from o in operations
where o.Package.HasPowerShellScript()
select o.Package;
hasScriptPackages = scriptPackages.Any();
}
else
{
// otherwise, just check the to-be-uninstalled package
hasScriptPackages = package.HasPowerShellScript(new string[] { PowerShellScripts.Uninstall });
}
if (hasScriptPackages)
{
if (!RegistryHelper.CheckIfPowerShell2Installed())
{
throw new InvalidOperationException(Resources.Dialog_PackageHasPSScript);
}
}
return removeDependencies;
}