public void ShouldMaintainStateCorrectlyWhileLooping()
{
// Arrange
var numbers = new List <int> {
1, 2, 3, 4, 5
};
var doSomethingUseful = new DoSomethingUsefulDataBuilder().Build();
var sut = CreateSut(doSomethingUseful);
// Act
sut.Execute(numbers);
// Assert
doSomethingUseful.Received().Execute(1);
doSomethingUseful.Received().Execute(3);
doSomethingUseful.Received().Execute(6);
doSomethingUseful.Received().Execute(10);
doSomethingUseful.Received().Execute(15);
}
public void ShouldAlwaysDoSomethingUsefulBasedOnTheNumberOfGivenItems(int count)
{
// Arrange
var doSomethingUseful = new DoSomethingUsefulDataBuilder().Build();
var give = 10;
var sut = CreateSut(doSomethingUseful);
// Act
var result = sut.Execute(give).Take(count);
// Assert
doSomethingUseful.Received(give).Execute(Arg.Any <int>());
}
public void ShouldDoSomethingUsefulBasedOnNumberOfRequestedItems(int count, int [] expected)
{
// Arrange
var doSomethingUseful = new DoSomethingUsefulDataBuilder().Build();
var give = 10;
var sut = CreateSut(doSomethingUseful);
// Act
var result = sut.ExecuteWithYield(give).Take(count);
// Assert
result.Should().BeEquivalentTo(expected);
doSomethingUseful.Received(count).Execute(Arg.Any <int>());
}