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 ConstructionStartsSearch()
{
var twitterService = new Mock<ITwitterSearchProvider>();
Ioc.RegisterServiceInstance<ITwitterSearchProvider>(twitterService.Object);
var searchText = "To search for";
var viewModel = new TwitterViewModel(searchText);
Assert.IsTrue(viewModel.IsSearching);
twitterService.Verify(x => x.StartAsyncSearch(It.Is<string>(s => s == searchText), It.IsAny<Action<IEnumerable<Tweet>>>(), It.IsAny<Action<Exception>>()), Times.Once());
}
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 ErrorredSearchCausesChangeInIsSearching()
{
CreateMockNavigation();
var twitterService = new Mock<ITwitterSearchProvider>();
Ioc.RegisterServiceInstance<ITwitterSearchProvider>(twitterService.Object);
var searchText = "To search for";
Action<IEnumerable<Tweet>> storedSuccessAction = null;
Action<Exception> storedErrorAction = null;
twitterService.Setup(x => x.StartAsyncSearch(It.Is<string>(s => s == searchText), It.IsAny<Action<IEnumerable<Tweet>>>(), It.IsAny<Action<Exception>>()))
.Callback((string s, Action<IEnumerable<Tweet>> suc, Action<Exception> err) =>
{
storedSuccessAction = suc;
storedErrorAction = err;
});
var viewModel = new TwitterViewModel(searchText);
var exception = new Exception("Just for fun");
storedErrorAction(exception);
Assert.IsFalse(viewModel.IsSearching);
}
public void SuccessfulSearchCausesListToBeBroadcast()
{
var twitterService = new Mock<ITwitterSearchProvider>();
Ioc.RegisterServiceInstance<ITwitterSearchProvider>(twitterService.Object);
var searchText = "To search for";
Action<IEnumerable<Tweet>> storedSuccessAction = null;
Action<Exception> storedErrorAction = null;
twitterService.Setup(x => x.StartAsyncSearch(It.Is<string>(s => s == searchText), It.IsAny<Action<IEnumerable<Tweet>>>(), It.IsAny<Action<Exception>>()))
.Callback((string s, Action<IEnumerable<Tweet>> suc, Action<Exception> err) =>
{
storedSuccessAction = suc;
storedErrorAction = err;
});
var viewModel = new TwitterViewModel(searchText);
var list = new List<Tweet>()
{
new Tweet() {}
};
storedSuccessAction(list);
Assert.IsNotNull(viewModel.Tweets);
Assert.AreEqual(1, viewModel.Tweets.Count());
}
public void SuccessfulSearchCausesChangeInIsSearching()
{
ClearAll();
CreateMockNavigation();
var twitterService = new Mock<ITwitterSearchProvider>();
var searchText = "To search for";
Action<IEnumerable<Tweet>> storedSuccessAction = null;
Action<Exception> storedErrorAction = null;
twitterService.Setup(x => x.StartAsyncSearch(It.Is<string>(s => s == searchText), It.IsAny<Action<IEnumerable<Tweet>>>(), It.IsAny<Action<Exception>>()))
.Callback((string s, Action<IEnumerable<Tweet>> suc, Action<Exception> err) =>
{
storedSuccessAction = suc;
storedErrorAction = err;
});
var viewModel = new TwitterViewModel(twitterService.Object);
viewModel.Init(searchText);
var list = new List<Tweet>()
{
new Tweet() {}
};
storedSuccessAction(list);
Assert.IsFalse(viewModel.IsSearching);
}
