public void Update_SoftCancelsIncompleteTaskForSameProject()
{
// Arrange
using (var stateGenerator = new DefaultProjectWorkspaceStateGenerator(Dispatcher))
{
stateGenerator.BlockBackgroundWorkStart = new ManualResetEventSlim(initialState: false);
stateGenerator.Update(WorkspaceProject, ProjectSnapshot, CancellationToken.None);
var initialUpdate = stateGenerator._updates.Single().Value;
// Act
stateGenerator.Update(WorkspaceProject, ProjectSnapshot, CancellationToken.None);
// Assert
Assert.True(initialUpdate.Cts.IsCancellationRequested);
}
}
public void Update_StartsUpdateTask()
{
// Arrange
using (var stateGenerator = new DefaultProjectWorkspaceStateGenerator(Dispatcher))
{
stateGenerator.BlockBackgroundWorkStart = new ManualResetEventSlim(initialState: false);
// Act
stateGenerator.Update(WorkspaceProject, ProjectSnapshot, CancellationToken.None);
// Assert
var update = Assert.Single(stateGenerator._updates);
Assert.False(update.Value.Task.IsCompleted);
}
}
public void Dispose_MakesUpdateNoop()
{
// Arrange
using (var stateGenerator = new DefaultProjectWorkspaceStateGenerator(Dispatcher))
{
stateGenerator.BlockBackgroundWorkStart = new ManualResetEventSlim(initialState: false);
// Act
stateGenerator.Dispose();
stateGenerator.Update(WorkspaceProject, ProjectSnapshot, CancellationToken.None);
// Assert
Assert.Empty(stateGenerator._updates);
}
}
public async Task Update_ResolvesTagHelpersAndUpdatesWorkspaceState()
{
// Arrange
using (var stateGenerator = new DefaultProjectWorkspaceStateGenerator(Dispatcher))
{
stateGenerator.NotifyBackgroundWorkCompleted = new ManualResetEventSlim(initialState: false);
var projectManager = new TestProjectSnapshotManager(Dispatcher, Workspace);
stateGenerator.Initialize(projectManager);
projectManager.ProjectAdded(ProjectSnapshot.HostProject);
// Act
stateGenerator.Update(WorkspaceProject, ProjectSnapshot, CancellationToken.None);
// Jump off the foreground thread so the background work can complete.
await Task.Run(() => stateGenerator.NotifyBackgroundWorkCompleted.Wait(TimeSpan.FromSeconds(3)));
// Assert
var newProjectSnapshot = projectManager.GetLoadedProject(ProjectSnapshot.FilePath);
Assert.Equal(ResolvableTagHelpers, newProjectSnapshot.TagHelpers);
}
}
public async Task Update_NullWorkspaceProject_ClearsProjectWorkspaceState()
{
// Arrange
using (var stateGenerator = new DefaultProjectWorkspaceStateGenerator(Dispatcher))
{
stateGenerator.NotifyBackgroundWorkCompleted = new ManualResetEventSlim(initialState: false);
var projectManager = new TestProjectSnapshotManager(Dispatcher, Workspace);
stateGenerator.Initialize(projectManager);
projectManager.ProjectAdded(ProjectSnapshot.HostProject);
projectManager.ProjectWorkspaceStateChanged(ProjectSnapshot.FilePath, ProjectWorkspaceStateWithTagHelpers);
// Act
stateGenerator.Update(workspaceProject: null, ProjectSnapshot);
// Jump off the foreground thread so the background work can complete.
await Task.Run(() => stateGenerator.NotifyBackgroundWorkCompleted.Wait(TimeSpan.FromSeconds(3)));
// Assert
var newProjectSnapshot = projectManager.GetLoadedProject(ProjectSnapshot.FilePath);
Assert.Empty(newProjectSnapshot.TagHelpers);
}
}