static async Task AddAssemblyReference(MonoDevelopWorkspace ws, DotNetProject from, DotNetProject to, string name)
{
var manager = ws.MetadataReferenceManager;
var assemblies = await from.GetReferencedAssemblies(IdeApp.Workspace?.ActiveConfiguration ?? ConfigurationSelector.Default);
var messagingAsm = assemblies.Single(x => x.Metadata.GetValue <string> ("Filename") == name);
var metadataReference = manager.GetOrCreateMetadataReference(messagingAsm.FilePath, MetadataReferenceProperties.Assembly);
await FileWatcherService.Update();
var roslynProj = ws.GetProjectId(to);
var oldRefs = ws.CurrentSolution.GetProject(roslynProj).MetadataReferences;
var newRefs = oldRefs.ToImmutableArray().Add(metadataReference.CurrentSnapshot);
var newSolution = ws.CurrentSolution.WithProjectMetadataReferences(roslynProj, newRefs);
Assert.IsTrue(ws.TryApplyChanges(newSolution));
await ws.ProjectSaveTask;
var reference = to.References.Single(x => x.Include == name);
Assert.IsTrue(reference.HintPath.IsNull);
Assert.AreEqual(ReferenceType.Package, reference.ReferenceType);
}
public async Task ReferenceCacheSnapshotUpdates()
{
string solFile = Util.GetSampleProject("console-project", "ConsoleProject.sln");
var tempPath = Path.GetFullPath(Path.GetTempFileName());
var oldAsm = typeof(MonoDevelopMetadataReferenceManagerTests).Assembly.Location;
File.Copy(oldAsm, tempPath, true);
try {
using (var sol = (MonoDevelop.Projects.Solution) await Services.ProjectService.ReadWorkspaceItem(Util.GetMonitor(), solFile))
using (var ws = await TypeSystemServiceTestExtensions.LoadSolution(sol)) {
await FileWatcherService.Add(sol);
var manager = ws.MetadataReferenceManager;
var item = manager.GetOrCreateMetadataReference(tempPath, MetadataReferenceProperties.Assembly);
Assert.IsNotNull(item);
await FileWatcherService.Update();
var initialId = item.CurrentSnapshot.GetMetadataId();
var taskForNewAsm = WaitForSnapshotChange(item);
// Replace the assembly with another one.
var newAsm = typeof(MonoDevelopMetadataReference).Assembly.Location;
File.Copy(newAsm, tempPath, true);
var argsForNewAsm = await taskForNewAsm;
Assert.AreSame(item.CurrentSnapshot, argsForNewAsm.OldSnapshot);
Assert.AreNotSame(argsForNewAsm.OldSnapshot, argsForNewAsm.NewSnapshot.Value);
// item.CurrentSnapshot is now updated
Assert.AreNotEqual(initialId, item.CurrentSnapshot.GetMetadataId());
var taskForOldAsm = WaitForSnapshotChange(item);
File.Copy(newAsm, tempPath, true);
var argsForOldAsm = await taskForOldAsm;
Assert.AreSame(item.CurrentSnapshot, argsForOldAsm.OldSnapshot);
Assert.AreNotSame(argsForNewAsm.OldSnapshot, argsForNewAsm.NewSnapshot.Value);
// Even though the old assembly was put back, it has a new id this time.
Assert.AreNotEqual(initialId, item.CurrentSnapshot.GetMetadataId());
}
await FileWatcherService.Update();
// At this point, the metadata reference should be disposed.
// Check to see if file updates will trigger a file service noification
var tcsShouldTimeout = new TaskCompletionSource <bool> ();
var ctsFail = new CancellationTokenSource();
ctsFail.Token.Register(() => tcsShouldTimeout.TrySetResult(true));
Core.FileService.FileChanged += (sender, args) => {
foreach (var file in args)
{
if (file.FileName == tempPath)
{
tcsShouldTimeout.TrySetResult(false);
}
}
};
ctsFail.CancelAfter(1000 * 5);
File.WriteAllText(tempPath, "");
Assert.AreEqual(true, await tcsShouldTimeout.Task);
} finally {
File.Delete(tempPath);
}
}