public void Filter_Given_10Engineers_When_ShiftWasntSelectedToday_Return_AllGivenEngineers()
{
//arrange
var engineers = new SupportEngineerMocksBuilder()
.WihtEngineersWhoDidntHadTwoShiftInLastTwoWeeks(10)
.Build();
var sut = new ShiftSelectedTodayFilter();
//act
var result = sut.Filter(engineers);
//assert
result.Count().ShouldBe(engineers.Count());
}
public void Filter_Given_10Engineers_When_ShiftWasntSelectedToday_Then_CallSuccessor()
{
//arrange
var engineers = new SupportEngineerMocksBuilder()
.WihtEngineersWhoDidntHadTwoShiftInLastTwoWeeks(10)
.Build();
var successor = A.Fake <ISupportEngineersFilterChain>();
var sut = new ShiftSelectedTodayFilter(successor);
//act
var result = sut.Filter(engineers);
//assert
A.CallTo(() => successor.Filter(A <IEnumerable <ISupportEngineer> > ._))
.MustHaveHappened(Repeated.Exactly.Once);
}
Filter_Given_MoreThanTwoEngineersAndSuccessor_When_ShiftWasAlreadySelectedToday_SuccessorIsNotCalled()
{
//arrange
var engineers = new SupportEngineerMocksBuilder()
.WithEngineersWhoDidntHadShiftYesterday(8)
.WithEngineersAlreadySelectedForToday(2)
.Build();
var successor = A.Fake <ISupportEngineersFilterChain>();
var sut = new ShiftSelectedTodayFilter(successor);
//act
var result = sut.Filter(engineers);
//assert
A.CallTo(() => successor.Filter(A <IEnumerable <ISupportEngineer> > ._))
.MustNotHaveHappened();
}
Filter_Given_MoreThanTwoEngineersAndSuccessor_When_ShiftWasAlreadySelectedToday_Return_AlreadySelectedEngineers()
{
//arrange
var engineers = new SupportEngineerMocksBuilder()
.WithEngineersWhoDidntHadShiftYesterday(8)
.WithEngineersAlreadySelectedForToday(2)
.Build();
var successor = A.Fake <ISupportEngineersFilterChain>();
var sut = new ShiftSelectedTodayFilter(successor);
//act
var result = sut.Filter(engineers);
//assert
result.First().Name
.ShouldBe(nameof(SupportEngineerMocksBuilder.WithEngineersAlreadySelectedForToday));
result.Last().Name
.ShouldBe(nameof(SupportEngineerMocksBuilder.WithEngineersAlreadySelectedForToday));
}