public void TastStateConditions()
{
var catsStorage = new CatsStorage();
var catsData = new CatsData();
var vm = new ImagesViewModel(catsStorage, catsData);
vm.Init(null);
Assert.AreEqual(vm.CurrentState, State.NoData);
vm.Init(null);
catsData.TokenCource = new CancellationTokenSource();
vm.Init(null);
Assert.AreEqual(vm.CurrentState, State.Loading);
catsData.TokenCource.Cancel();
catsData.TokenCource = null;
Assert.AreEqual(vm.CurrentState, State.Error);
catsData.Cats = new List <ImageModel>
{
new ImageModel(0, String.Empty, String.Empty, String.Empty)
};
vm.Init(null);
Assert.AreEqual(vm.CurrentState, State.Normal);
}
public void AddToFavoriteTest()
{
var catsStorage = new CatsStorage();
var catsData = new CatsData();
catsStorage.Cats = new List <ImageModel>
{
new ImageModel(27, String.Empty, String.Empty, String.Empty),
new ImageModel(37, String.Empty, String.Empty, String.Empty),
};
var vm = new ImagesViewModel(catsStorage, catsData);
vm.Init(null);
Assert.IsTrue(vm.FavoriteCommand.CanExecute(catsStorage.Cats.First()));
vm.FavoriteCommand.Execute(catsStorage.Cats.First());
Assert.IsTrue(vm.Cats.First().IsFavorite);
Assert.IsFalse(vm.Cats.Last().IsFavorite);
Assert.IsTrue(catsStorage.Cats.First().IsFavorite);
Assert.IsFalse(catsStorage.Cats.Last().IsFavorite);
Assert.AreEqual(catsStorage.CatsFavoritesIds.Count, 1);
Assert.AreEqual(catsStorage.CatsFavoritesIds.First(), catsStorage.Cats.First().Id);
}
public void ThereAreFavoritesInStorageTest()
{
var catsStorage = new CatsStorage();
var catsData = new CatsData();
catsStorage.Cats = new List <ImageModel>
{
new ImageModel(27, String.Empty, String.Empty, String.Empty),
new ImageModel(37, String.Empty, String.Empty, String.Empty),
};
var vm = new ImagesViewModel(catsStorage, catsData);
vm.Init(null);
Assert.IsFalse(vm.Cats.Any(model => model.IsFavorite));
catsStorage.CatsFavoritesIds = new List <int>
{
catsStorage.Cats.First().Id
};
vm.Init(null);
Assert.AreEqual(1, vm.Cats.Count(model => model.IsFavorite));
}
public void StorageTest()
{
var catsStorage = new CatsStorage();
var catsData = new CatsData();
catsData.Cats = new List <ImageModel>
{
new ImageModel(27, String.Empty, String.Empty, String.Empty),
new ImageModel(37, String.Empty, String.Empty, String.Empty),
};
var vm = new ImagesViewModel(catsStorage, catsData);
vm.Init(null);
Assert.AreEqual(catsStorage.Cats.Count, 2);
Assert.AreEqual(catsStorage.Cats.Last().Id, 37);
vm.Init(null);
Assert.AreEqual(catsData.InvokingCount, 1);
}
public void ItemWasChangedTest()
{
var catsStorage = new CatsStorage();
var catsData = new CatsData();
catsStorage.Cats = new List <ImageModel>
{
new ImageModel(27, String.Empty, String.Empty, String.Empty),
new ImageModel(37, String.Empty, String.Empty, String.Empty),
};
var vm = new ImagesViewModel(catsStorage, catsData);
vm.Init(null);
Assert.AreEqual(catsStorage.SetCatsCount, 1);
Assert.IsTrue(vm.ItemWasChangedCommand.CanExecute(catsStorage.Cats.First()));
vm.ItemWasChangedCommand.Execute(catsStorage.Cats.First());
Assert.AreEqual(catsStorage.SetCatsCount, 2);
}
public void RepeatTest()
{
var catsStorage = new CatsStorage();
var catsData = new CatsData();
var vm = new ImagesViewModel(catsStorage, catsData);
vm.Init(null);
Assert.IsNull(vm.Cats);
catsData.Cats = new List <ImageModel>
{
new ImageModel(27, String.Empty, String.Empty, String.Empty),
new ImageModel(37, String.Empty, String.Empty, String.Empty),
};
Assert.IsTrue(vm.RepeatCommand.CanExecute(null));
vm.RepeatCommand.Execute(null);
Assert.AreEqual(vm.Cats.Count, 2);
}
