public async Task GetPastMonthRates()
{
var pastDate = DateTime.Now.AddMonths(-3);
var currencies = new[]
{
new Currency
{
Id = Guid.NewGuid(),
Code = "USD",
Description = "US Dollar",
Symbol = "$",
DefaultCurrency = true
},
new Currency
{
Id = Guid.NewGuid(),
Code = "AUD",
Description = "Australian Dollar",
Symbol = "$"
},
new Currency
{
Id = Guid.NewGuid(),
Code = "CAD",
Description = "Canadian Dollar",
Symbol = "$"
}
};
var exchangeRates = new List <ExchangeRate>
{
new ExchangeRate
{
FromCurrency = currencies[1].Id,
ToCurrency = currencies[0].Id,
EffectiveFrom = DateTime.UtcNow,
Rate = decimal.Parse("1.31")
},
new ExchangeRate
{
FromCurrency = currencies[2].Id,
ToCurrency = currencies[0].Id,
EffectiveFrom = pastDate,
Rate = decimal.Parse("0.715")
}
};
_dbContext.MockAsyncQueryable(exchangeRates.AsQueryable(), c => c.ExchangeRate);
_dbContext.MockAsyncQueryable(currencies.AsQueryable(), c => c.Currency);
var result = await _service.GetPastRates(pastDate);
var cadExRate = result.Single(x => x.FromCurrency == currencies[2].Id);
cadExRate.Rate.Should().Be(decimal.Parse("0.715"));
cadExRate.EffectiveFrom.Should().Be(pastDate);
}