public async Task ExecuteAsyncTest()
{
var dataService = A.Fake<IDataService>();
A.CallTo(() => dataService.GetLastTenGreetingsAsync(A<int>.Ignored)).Returns((new List<Greeting>()));
var sut = new GetLastTenHelloWorldsAction(dataService);
var result = await sut.ExecuteAsync();
result.Should().NotBeNull();
result.GetLength(0).Should().Be(0);
}
public async Task ExecuteWithTenGreetingsAsyncTest()
{
var greetingList = new List<Greeting>(10);
for(var i = 1; i <= 10; i++)
greetingList.Add(
new Greeting{Name = string.Format("mygreeting {0}", i), TimestampUtc = DateTime.Now.ToUniversalTime()});
var dataService = A.Fake<IDataService>();
A.CallTo(() => dataService.GetLastTenGreetingsAsync(10)).Returns(greetingList);
var sut = new GetLastTenHelloWorldsAction(dataService);
var result = await sut.ExecuteAsync();
result.Should().NotBeNull();
result.GetLength(0).Should().Be(10);
}