public async Task ProfileForNonExistingUserRaisesError()
{
// Arrange
var notifier = new Mock <INotifier>();
notifier.Setup(n => n.DisplayMessage(Strings.UserNotFound, NotificationType.Error)).Verifiable();
var contextList = new Mock <ITwitterContextList>();
var context = new Mock <IContextEntry>();
context.Setup(c => c.Twitter.Users.ShowUser(123ul, It.IsAny <bool>())).Returns(Task.FromResult <User>(null));
contextList.SetupGet(c => c.Contexts).Returns(new[] { context.Object }).Verifiable();
var vm = new ProfileDialogViewModel
{
ContextList = contextList.Object,
Notifier = notifier.Object,
Dispatcher = new SyncDispatcher()
};
vm.Setup(123);
// Act
await vm.OnLoad(null);
// Assert
notifier.Verify(n => n.DisplayMessage(Strings.UserNotFound, NotificationType.Error), Times.Once());
}
public async Task FollowersAreLoaded()
{
// Arrange
var waitHandle = new ManualResetEventSlim(false);
var user = DummyGenerator.CreateDummyUserEx();
user.UserID = 123;
var contextList = new Mock <ITwitterContextList>();
var context = new Mock <IContextEntry>();
context.SetupGet(c => c.UserId).Returns(444);
context.Setup(c => c.Twitter.Users.ShowUser(123ul, It.IsAny <bool>())).Returns(Task.FromResult(user));
context.Setup(c => c.Twitter.Friendships.ListFollowers(123, 200, true)).Returns(
Task.FromResult(new List <User> {
user
}));
context.Setup(c => c.Twitter.Friendships.GetFriendshipWith(444, 123)).Returns(Task.FromResult(new Friendship
{
TargetRelationship = new Relationship
{
FollowedBy = true,
Following = true
}
}));
contextList.SetupGet(c => c.Contexts).Returns(new[] { context.Object }).Verifiable();
var vm = new ProfileDialogViewModel
{
ContextList = contextList.Object,
Dispatcher = new SyncDispatcher()
};
vm.Setup(123);
await vm.OnLoad(null);
var page = vm.UserPages.Single(p => p.Title == Strings.Followers);
page.PropertyChanged += (s, e) =>
{
if (e.PropertyName == nameof(UserSubPage.IsLoading) && page.IsLoading == false)
{
Thread.Sleep(50);
waitHandle.Set();
}
};
// Act
// ReSharper disable once UnusedVariable
var ignore = page.Items;
waitHandle.Wait(1000);
var items = page.Items;
// Assert
Assert.IsNotNull(items.SingleOrDefault());
context.Verify(c => c.Twitter.Friendships.ListFollowers(123, 200, true), Times.Once());
}
public void ExceptionDuringUnfollowIsCaught()
{
// Arrange
var notifier = new Mock <INotifier>();
notifier.Setup(n => n.DisplayMessage("Test", NotificationType.Error)).Verifiable();
var context = new Mock <IContextEntry>();
context.Setup(c => c.Twitter.Users.UnfollowUser(123)).Throws(new TwitterQueryException("Test"));
var vm = new ProfileDialogViewModel
{
Notifier = notifier.Object,
User = new UserViewModel(DummyGenerator.CreateDummyUser(123))
};
vm.OverwriteContext(context.Object);
// Act
vm.UnfollowUserCommand.Execute(null);
// Assert
notifier.Verify(n => n.DisplayMessage("Test", NotificationType.Error), Times.Once());
}
public void NotifyPropertyChangedIsImplementedCorrectly()
{
// Arrange
var typeResolver = new Mock <ITypeResolver>();
typeResolver.Setup(t => t.Resolve(typeof(UserViewModel))).Returns(new UserViewModel(DummyGenerator.CreateDummyUser()));
var vm = new ProfileDialogViewModel();
var tester = new PropertyChangedTester(vm, false, typeResolver.Object);
// Act
tester.Test(nameof(ProfileDialogViewModel.Notifier));
// Assert
tester.Verify();
}
public async Task ProfileForInvalidUserDoesNothing()
{
// Arrange
var contextList = new Mock <ITwitterContextList>();
contextList.SetupGet(c => c.Contexts).Returns(new IContextEntry[0]).Verifiable();
var vm = new ProfileDialogViewModel
{
ContextList = contextList.Object,
Dispatcher = new SyncDispatcher()
};
// Act
await vm.OnLoad(null);
// Assert
contextList.VerifyGet(c => c.Contexts, Times.Never());
}
public async Task UserDataIsLoaded()
{
// Arrange
var notifier = new Mock <INotifier>();
notifier.Setup(n => n.DisplayMessage(Strings.UserNotFound, NotificationType.Error)).Verifiable();
var user = DummyGenerator.CreateDummyUser();
user.UserID = 123;
var contextList = new Mock <ITwitterContextList>();
var context = new Mock <IContextEntry>();
context.SetupGet(c => c.UserId).Returns(444);
context.Setup(c => c.Twitter.Users.ShowUser(123ul, It.IsAny <bool>())).Returns(Task.FromResult(user));
context.Setup(c => c.Twitter.Friendships.GetFriendshipWith(444, 123)).Returns(Task.FromResult(new Friendship
{
TargetRelationship = new Relationship
{
FollowedBy = true,
Following = true
}
}));
contextList.SetupGet(c => c.Contexts).Returns(new[] { context.Object }).Verifiable();
var vm = new ProfileDialogViewModel
{
ContextList = contextList.Object,
Notifier = notifier.Object,
Dispatcher = new SyncDispatcher()
};
vm.Setup(123);
// Act
await vm.OnLoad(null);
// Assert
Assert.AreEqual(user.UserID, vm.User.UserId);
Assert.IsTrue(vm.Friendship.TargetRelationship.Following);
Assert.IsTrue(vm.Friendship.TargetRelationship.FollowedBy);
}
public async Task MoreStatusesCanBeLoaded()
{
// Arrange
var waitHandle = new ManualResetEventSlim(false);
var user = DummyGenerator.CreateDummyUser();
user.UserID = 123;
var firstStatus = DummyGenerator.CreateDummyStatus(user);
firstStatus.ID = firstStatus.StatusID = 456;
var secondStatus = DummyGenerator.CreateDummyStatus(user);
secondStatus.ID = secondStatus.StatusID = 555;
var contextList = new Mock <ITwitterContextList>();
var context = new Mock <IContextEntry>();
context.SetupGet(c => c.UserId).Returns(444);
context.Setup(c => c.Twitter.Users.ShowUser(123ul, It.IsAny <bool>())).Returns(Task.FromResult(user));
context.Setup(c => c.Twitter.Statuses.GetUserTweets(123, 0, 0)).Returns(Task.FromResult(new List <Status> {
firstStatus
})).Verifiable();
context.Setup(c => c.Twitter.Statuses.GetUserTweets(123, 0, 456)).Returns(Task.FromResult(new List <Status> {
secondStatus
})).Verifiable();
context.Setup(c => c.Twitter.Friendships.GetFriendshipWith(444, 123)).Returns(Task.FromResult(new Friendship
{
TargetRelationship = new Relationship
{
FollowedBy = true,
Following = true
}
}));
contextList.SetupGet(c => c.Contexts).Returns(new[] { context.Object }).Verifiable();
var vm = new ProfileDialogViewModel
{
ContextList = contextList.Object,
Dispatcher = new SyncDispatcher()
};
vm.Setup(123);
await vm.OnLoad(null);
var page = vm.UserPages.Single(p => p.Title == Strings.Tweets);
page.PropertyChanged += (s, e) =>
{
if (e.PropertyName == nameof(UserSubPage.IsLoading) && page.IsLoading == false)
{
waitHandle.Set();
}
};
// Act
var nullItems = page.Items;
waitHandle.Wait(1000);
waitHandle.Reset();
page.ActionDispatcher.OnBottomReached();
waitHandle.Wait(1000);
var items = page.Items;
// Assert
Assert.IsNull(nullItems);
Assert.AreEqual(2, items.Count);
context.Verify(c => c.Twitter.Statuses.GetUserTweets(123, 0, 456), Times.Once());
}
