public void The_same_item_is_not_added_twice()
{
//Arrange
var storagefolder = new Mock <IStorageFolder <FileStoredStory> >();
var folderprovider = new Mock <IStorageFolderProvider>();
folderprovider
.Setup(fake => fake.GetStorageFolder <FileStoredStory>(It.IsAny <string>()))
.Returns(storagefolder.Object);
var datastore = new InMemoryFileBackedStoryDataStore(folderprovider.Object);
var items = new[]
{
new Story()
};
//Act
datastore.AddOrUpdateAsync(items).Wait();
var countAfterFirstAdd = datastore.GetAllAsync().Result.Count();
datastore.AddOrUpdateAsync(items).Wait();
var countAfterSecondAdd = datastore.GetAllAsync().Result.Count();
//Assert
Assert.AreEqual(countAfterFirstAdd, countAfterSecondAdd);
}
public void The_same_Id_exists_only_once()
{
//Arrange
var storagefolder = new Mock <IStorageFolder <FileStoredStory> >();
var folderprovider = new Mock <IStorageFolderProvider>();
folderprovider
.Setup(fake => fake.GetStorageFolder <FileStoredStory>(It.IsAny <string>()))
.Returns(storagefolder.Object);
var datastore = new InMemoryFileBackedStoryDataStore(folderprovider.Object);
var id = 42;
var items = new[]
{
new Story
{
Id = id
},
new Story
{
Id = id
}
};
//Act
datastore.AddOrUpdateAsync(items).Wait();
var retrieved = datastore.GetAllAsync().Result;
//Assert
Assert.AreEqual(1, retrieved.Count(item => item.Id == id));
}
public void Initialize_stores_the_retrieved_items_in_the_DataStore()
{
//Arrange
var story = new FileStoredStory
{
Id = 42
};
var storagefolder = new Mock <IStorageFolder <FileStoredStory> >();
storagefolder
.Setup(fake => fake.GetStoredItemsAsync())
.Returns(MakeAsync(new[] { story }));
var folderprovider = new Mock <IStorageFolderProvider>();
folderprovider
.Setup(fake => fake.GetStorageFolder <FileStoredStory>(It.IsAny <string>()))
.Returns(storagefolder.Object);
var datastore = new InMemoryFileBackedStoryDataStore(folderprovider.Object);
//Act
datastore.InitializeAsync().Wait();
//Assert
var result = datastore.GetAllAsync().Result;
Assert.AreEqual(story.Id, result.Single().Id);
}
public void Update_updates_the_existing_item()
{
//Arrange
var storagefolder = new Mock <IStorageFolder <FileStoredStory> >();
var folderprovider = new Mock <IStorageFolderProvider>();
folderprovider
.Setup(fake => fake.GetStorageFolder <FileStoredStory>(It.IsAny <string>()))
.Returns(storagefolder.Object);
var datastore = new InMemoryFileBackedStoryDataStore(folderprovider.Object);
var id = 42;
var story1 = new Story
{
Id = id
};
var story2 = new Story
{
Id = id
};
datastore.AddOrUpdateAsync(new[] { story1 }).Wait();
//Act
datastore.UpdateAsync(id, story2).Wait();
var retrieved = datastore.GetAllAsync().Result;
//Assert
Assert.AreEqual(story2, retrieved.Single(item => item.Id == id));
}
public void Added_items_can_be_retrieved()
{
//Arrange
var storagefolder = new Mock <IStorageFolder <FileStoredStory> >();
var folderprovider = new Mock <IStorageFolderProvider>();
folderprovider
.Setup(fake => fake.GetStorageFolder <FileStoredStory>(It.IsAny <string>()))
.Returns(storagefolder.Object);
var datastore = new InMemoryFileBackedStoryDataStore(folderprovider.Object);
var items = new[]
{
new Story()
};
//Act
datastore.AddOrUpdateAsync(items).Wait();
var retrieved = datastore.GetAllAsync().Result;
//Assert
Assert.AreEqual(items.Single(), retrieved.Single());
}