public async Task NotDisposePreviousData_When_FirstLoad()
{
// Arrange
var methodCount = 0;
Action <object> mockAction = data => methodCount++;
var sut = new OnDataLostDataLoaderStrategy(mockAction);
sut.InnerStrategy = new MockDelegatingDataLoaderStrategy(() => Task.FromResult(new object()));
// Act
await sut.Load(CancellationToken.None, null);
// Assert
methodCount.Should().Be(0);
}
public async Task DisposePreviousData_If_LoadReturnsNewReference(object firstLoad, object secondLoad, int expectedMethodCount)
{
// Arrange
var methodCount = 0;
var isFirstLoad = true;
Action <object> mockAction = data => methodCount++;
var sut = new OnDataLostDataLoaderStrategy(mockAction);
sut.InnerStrategy = new MockDelegatingDataLoaderStrategy(() =>
{
var result = isFirstLoad ? firstLoad : secondLoad;
return(Task.FromResult(result));
});
await sut.Load(CancellationToken.None, null);
isFirstLoad = false;
// Act
await sut.Load(CancellationToken.None, null);
// Assert
methodCount.Should().Be(expectedMethodCount);
}