public async Task GetFetchesFromApi()
{
var repo = new ExchangeRateApiCachingDecorator(this.exchangeRates);
var start = new DateTime(2018, 1, 1);
var end = new DateTime(2018, 1, 2);
await repo.GetAsync(start, end);
A.CallTo(() => this.exchangeRates.GetAsync(start, end)).MustHaveHappenedOnceExactly();
}
public async Task GetFetchesFromApiTwiceWithCachingExpiring()
{
var repo = new ExchangeRateApiCachingDecorator(this.exchangeRates) { Expiry = TimeSpan.Zero };
var start = new DateTime(2018, 1, 1);
var end = new DateTime(2018, 1, 2);
await repo.GetAsync(start, end);
await repo.GetAsync(start, end);
A.CallTo(() => this.exchangeRates.GetAsync(start, end)).MustHaveHappenedTwiceExactly();
}
public async Task GetFetchesFromApiTwiceWithSameDateButDifferentTimes()
{
var repo = new ExchangeRateApiCachingDecorator(this.exchangeRates);
var start = new DateTime(2018, 1, 1);
var end = new DateTime(2018, 1, 2);
await repo.GetAsync(start, end);
await repo.GetAsync(start.AddMinutes(5), end.AddMinutes(5));
A.CallTo(() => this.exchangeRates.GetAsync(start, end)).MustHaveHappenedOnceExactly();
}
public async Task WeightedExchangeRate_Returns_ExpectedResult()
{
var clientFactory = new HttpClientFactory(new NullLogger <HttpClientFactory>());
var repo = new ExchangeRateApi(this._configuration, clientFactory, this._policyFactory, this._logger);
var repoDecorator = new ExchangeRateApiCachingDecorator(repo);
var exchangeRates = new ExchangeRatesService(repoDecorator, this._loggerExchRate);
var calculator = new TradePositionWeightedAverageExchangeRateService(exchangeRates, this._calculatorLogger);
var tradeOne = new Order().Random();
var tradeTwo = new Order().Random();
var tradeThree = new Order().Random();
tradeOne.FilledDate = new DateTime(2017, 01, 01);
tradeTwo.FilledDate = new DateTime(2017, 10, 25);
tradeThree.FilledDate = new DateTime(2017, 10, 25);
var position = new TradePosition(new List <Order> {
tradeOne, tradeTwo, tradeThree
});
var usd = new Currency("usd");
var wer = await calculator.WeightedExchangeRate(position, usd, this._ruleCtx);
}
