public void Updating_item_updates_corresponding_file()
{
//Arrange
var id = 42;
var story1 = new Story
{
Id = id
};
var story2 = new Story
{
Id = id
};
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);
datastore.AddOrUpdateAsync(new[] { story1 }).Wait();
//Act
datastore.UpdateAsync(id, story2).Wait();
//Assert
storagefolder.Verify(mock => mock.ReplaceFileWithItemAsync(id.ToString(), It.IsAny <FileStoredStory>()));
}
public void Trying_to_set_an_item_with_id_that_differs_from_supplied_id_throws_InvalidOperationException()
{
//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
};
datastore.AddOrUpdateAsync(new[] { story1 }).Wait(); //first, the id must exist
var story2 = new Story
{
Id = 314
};
//Act &&
//Assert
Assert.ThrowsExceptionAsync <InvalidOperationException>(() => datastore.UpdateAsync(id, story2)).Wait();
}
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 Trying_to_update_non_existing_item_throws_InvalidOperationException()
{
//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
};
//Act &&
//Assert
Assert.ThrowsExceptionAsync <InvalidOperationException>(() => datastore.UpdateAsync(id, story1)).Wait();
}