public void SuccessfulSearchCausesListToBeBroadcast()
{
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.IsNotNull(viewModel.Tweets);
Assert.AreEqual(1, viewModel.Tweets.Count());
}
public void ConstructionStartsSearch()
{
ClearAll();
CreateMockNavigation();
var twitterService = new Mock <ITwitterSearchProvider>();
var searchText = "To search for";
var viewModel = new TwitterViewModel(twitterService.Object);
viewModel.Init(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 ErrorredSearchCausesChangeInIsSearching()
{
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 exception = new Exception("Just for fun");
storedErrorAction(exception);
Assert.IsFalse(viewModel.IsSearching);
}