public void TwitterSearch_Success_Callback_Clears_IsSearching()
{
using (var setup = new MockSetup())
{
setup.Initialize();
string search = null;
Action<IEnumerable<Tweet>> success = null;
Action<Exception> error = null;
setup
.Twitter
.Setup(x => x.StartAsyncSearch(It.IsAny<string>(), It.IsAny<Action<IEnumerable<Tweet>>>(), It.IsAny<Action<Exception>>()))
.Callback<string, Action<IEnumerable<Tweet>>, Action<Exception>>((s, s2, e) =>
{
search = s;
success = s2;
error = e;
});
var viewModel = new TwitterViewModel("mySearchTerm");
var calledChanges = new List<string>();
viewModel.PropertyChanged += (s, a) => calledChanges.Add(a.PropertyName);
var result = new [] { new Tweet(), new Tweet() };
success(result);
Assert.AreEqual(2, calledChanges.Count);
CollectionAssert.Contains(calledChanges, "IsSearching");
Assert.IsFalse(viewModel.IsSearching);
}
}
public void TwitterSearch_Constructor_Requests_A_TwitterSearch()
{
using (var setup = new MockSetup())
{
setup.Initialize();
string search = null;
Action<IEnumerable<Tweet>> success = null;
Action<Exception> error = null;
setup
.Twitter
.Setup(x => x.StartAsyncSearch(It.IsAny<string>(), It.IsAny<Action<IEnumerable<Tweet>>>(), It.IsAny<Action<Exception>>()))
.Callback<string,Action<IEnumerable<Tweet>>,Action<Exception>>((s,s2,e) =>
{
search = s;
success = s2;
error = e;
});
var viewModel = new TwitterViewModel("mySearchTerm");
setup
.Twitter
.Verify(x => x.StartAsyncSearch(It.IsAny<string>(), It.IsAny<Action<IEnumerable<Tweet>>>(), It.IsAny<Action<Exception>>()), Times.Once());
Assert.AreEqual("mySearchTerm",search);
Assert.IsNotNull(success);
Assert.IsNotNull(error);
}
}
public void PickRandom_Changes_SearchText()
{
using (var setup = new MockSetup())
{
setup.Initialize();
var viewModel = new HomeViewModel();
Assert.IsNotNull(viewModel.SearchText);
var calledProperties = new List<string>();
viewModel.PropertyChanged += (sender, args) => calledProperties.Add(args.PropertyName);
Assert.AreEqual(0, calledProperties.Count);
var existingSearchText = viewModel.SearchText;
viewModel.PickRandomCommand.Execute();
Assert.AreEqual(1, calledProperties.Count);
Assert.AreEqual("SearchText", calledProperties[0]);
Assert.AreNotEqual(existingSearchText, viewModel.SearchText);
existingSearchText = viewModel.SearchText;
viewModel.PickRandomCommand.Execute();
Assert.AreEqual(2, calledProperties.Count);
Assert.AreEqual("SearchText", calledProperties[0]);
Assert.AreEqual("SearchText", calledProperties[1]);
Assert.AreNotEqual(existingSearchText, viewModel.SearchText);
}
}
public void TwitterSearch_Constructor_Sets_IsSearching_True()
{
using (var setup = new MockSetup())
{
setup.Initialize();
var viewModel = new TwitterViewModel("mySearchTerm");
Assert.IsTrue(viewModel.IsSearching);
}
}
public void User_Can_Change_SearchText()
{
using (var setup = new MockSetup())
{
setup.Initialize();
var viewModel = new HomeViewModel();
Assert.IsNotNull(viewModel.SearchText);
viewModel.SearchText = "MyTestString";
Assert.AreEqual("MyTestString", viewModel.SearchText);
}
}
public void SearchCommand_Calls_RequestNavigate()
{
using (var setup = new MockSetup())
{
setup.Initialize();
var requests = new List<MvxShowViewModelRequest>();
setup.Dispatcher
.Setup(x => x.RequestNavigate(It.IsAny<MvxShowViewModelRequest>()))
.Callback<MvxShowViewModelRequest>((request) => requests.Add(request));
var viewModel = new HomeViewModel();
viewModel.SearchText = "MyTestValue";
viewModel.SearchCommand.Execute();
setup.Dispatcher
.Verify(x => x.RequestNavigate(It.IsAny<MvxShowViewModelRequest>()), Times.Once());
Assert.AreEqual(1, requests.Count);
Assert.AreEqual(typeof(TwitterViewModel), requests[0].ViewModelType);
Assert.AreEqual(false, requests[0].ClearTop);
Assert.AreEqual(MvxRequestedBy.UserAction, requests[0].RequestedBy);
Assert.AreEqual(1, requests[0].ParameterValues.Count);
Assert.AreEqual("MyTestValue", requests[0].ParameterValues["searchTerm"]);
}
}