public async Task CacheIsUtilized()
{
ICurrencyRateProvider wrappedProvider = _fixture.BasicProvider;
CachingCurrencyRateProvider provider = new CachingCurrencyRateProvider(wrappedProvider, TimeSpan.FromDays(1));
// Act:
var result0 = await provider.GetCurrentRatesAsync();
var result1 = await provider.GetCurrentRatesAsync();
// Assert:
Assert.Same(result0, result1);
}
public async Task CacheIsRefreshedAfterTimeout()
{
ICurrencyRateProvider wrappedProvider = _fixture.BasicProvider;
CachingCurrencyRateProvider provider = new CachingCurrencyRateProvider(wrappedProvider, TimeSpan.FromMilliseconds(1));
// Act:
var result0 = await provider.GetCurrentRatesAsync();
await Task.Delay(5);
var result1 = await provider.GetCurrentRatesAsync();
// Assert:
Assert.NotSame(result0, result1);
}
public async Task AutoAddEur()
{
ICurrencyRateProvider wrappedProvider = _fixture.BasicProvider;
CachingCurrencyRateProvider provider = new CachingCurrencyRateProvider(wrappedProvider, TimeSpan.FromDays(1), true);
var snapshot = await provider.GetCurrentRatesAsync();
Assert.Equal(CurrencyRate.Eur, snapshot[CurrencyCode.Eur]);
}
public async Task ReturnsCorrectResult()
{
ICurrencyRateProvider wrappedProvider = _fixture.BasicProvider;
CachingCurrencyRateProvider provider = new CachingCurrencyRateProvider(wrappedProvider, TimeSpan.FromHours(1));
// Act:
var result = await provider.GetCurrentRatesAsync();
// Assert:
Assert.Equal(_fixture.ExpectedRates1.Count, result.Count);
}