public async Task CalculateAsync_WhenCalled_ReturnsSameCreditInfo()
{
ICreditInfo sut = CreateSut();
ICreditInfo result = await sut.CalculateAsync(DateTime.Now.AddDays(_random.Next(1, 365) * -1));
Assert.That(result, Is.SameAs(sut));
}
public async Task CalculateAsync_WhenCalled_AssertPostingLineCollectionWasCalledOnAccount()
{
Mock <IAccount> accountMock = _fixture.BuildAccountMock();
ICreditInfo sut = CreateSut(accountMock.Object);
await sut.CalculateAsync(DateTime.Now.AddDays(_random.Next(1, 365) * -1));
accountMock.Verify(m => m.PostingLineCollection, Times.Once);
}
public async Task CalculateAsync_WhenCalled_ReturnsSameCreditInfoWhereStatusDateEqualDateFromCall()
{
ICreditInfo sut = CreateSut();
DateTime statusDate = DateTime.Now.AddDays(_random.Next(1, 365) * -1);
ICreditInfo result = await sut.CalculateAsync(statusDate);
Assert.That(result.StatusDate, Is.EqualTo(statusDate.Date));
}
public async Task CalculateAsync_WhenCalled_AssertBalanceIsCalculated()
{
DateTime today = DateTime.Today;
DateTime calculationDate = DateTime.Today.AddMonths(_random.Next(1, 5) * -1).AddDays(today.Day * -1).AddDays(1);
int year = calculationDate.Year;
int month = calculationDate.Month;
decimal calculatedPostingValue = _fixture.Create <decimal>();
IPostingLineCollection postingLineCollection = _fixture.BuildPostingLineCollectionMock(calculatedPostingValue: calculatedPostingValue).Object;
IAccount account = _fixture.BuildAccountMock(postingLineCollection: postingLineCollection).Object;
ICreditInfo sut = CreateSut(account, (short)year, (short)month);
ICreditInfo result = await sut.CalculateAsync(calculationDate);
Assert.That(result.Balance, Is.EqualTo(calculatedPostingValue));
}
public async Task CalculateAsync_WhenStatusDateIsNewerThanCreditInfo_AssertCalculatePostingValueWasCalledOnPostingLineCollectionFromAccount()
{
DateTime statusDate = DateTime.Today;
int year = statusDate.AddMonths(-3).Year;
int month = statusDate.AddMonths(-3).Month;
Mock <IPostingLineCollection> postingLineCollectionMock = _fixture.BuildPostingLineCollectionMock();
IAccount account = _fixture.BuildAccountMock(postingLineCollection: postingLineCollectionMock.Object).Object;
ICreditInfo sut = CreateSut(account, (short)year, (short)month);
await sut.CalculateAsync(statusDate);
postingLineCollectionMock.Verify(m => m.CalculatePostingValue(
It.Is <DateTime>(value => value == DateTime.MinValue),
It.Is <DateTime>(value => value == new DateTime(year, month, DateTime.DaysInMonth(year, month))),
It.Is <int?>(value => value.HasValue == false)),
Times.Once());
}