public void CreateAttemptAsync_GivenInvalidGoalId_ShouldRaiseException()
{
// Arrange.
var attemptDb = Substitute.For <IGoalAttemptDb>();
var goalStore = Substitute.For <IGoalStore>();
var dateTimeSource = Substitute.For <IDateTimeSource>();
var testObject = new GoalAttemptStore(attemptDb, goalStore, dateTimeSource);
// Act & assert.
Assert.That(
() => testObject.CreateAttemptAsync(0),
Throws
.TypeOf <ArgumentException>()
.With.Message.EqualTo("Goal not found with id 0."));
}
public async Task CreateAttemptAsync_GivenValidAttempt_ShouldAddToDb()
{
// Arrange.
var attemptDb = Substitute.For <IGoalAttemptDb>();
var goalStore = Substitute.For <IGoalStore>();
var dateTimeSource = Substitute.For <IDateTimeSource>();
var testObject = new GoalAttemptStore(attemptDb, goalStore, dateTimeSource);
goalStore.GetGoalAsync(123).Returns(new Goal());
dateTimeSource.Now.Returns(DateTime.Now);
// Act.
GoalAttempt attempt = await testObject.CreateAttemptAsync(123);
// Assert.
attemptDb.Received(1).AddAttempt(Arg.Any <GoalAttempt>());
await attemptDb.Received(1).SaveAsync();
Assert.AreEqual(123, attempt.GoalId);
Assert.AreEqual(dateTimeSource.Now, attempt.Timestamp);
}