public void Drain_Adds_Modifier() { var cardId = Guid.NewGuid(); var stubCard = new Card() { Id = cardId }; var stubSquad = new Squad() { Lineup = new Dictionary <string, IEnumerable <Card> >() { { "ST", new[] { stubCard } } } }; var stubMatch = new ApplicationCore.Models.Match.Match() { HomeTeam = new TeamDetails() { Squad = stubSquad }, AwayTeam = new TeamDetails() { Squad = new Squad() } }; var minute = 50; var randomnessProvider = new ActionTests.TestRandomnessProvider(100); var service = new FitnessDrainService(randomnessProvider); //Act service.Drain(stubMatch, minute); //Assert Assert.NotNull(stubMatch.Minutes[minute].Modifiers.First()); Assert.Equal(ModifierType.Fitness, stubMatch.Minutes[minute].Modifiers.First().Type); Assert.Equal(cardId, stubMatch.Minutes[minute].Modifiers.First().CardId); Assert.Equal(1, stubMatch.Minutes[minute].Modifiers.First().DrainValue); }