public void GetCurrencyRateByDate_ThrowsInvalidOperationException_WhenProviderNotInitialized()
{
//Arrange
FixerConfiguration config = new FixerConfiguration()
{
BaseUri = "https://api.fixer.io",
MinimumDateRange = new DateTime(2000, 01, 01),
SupportedCurrencies = new[] { "USD", "EUR", "PLN" }
};
FixerApiProvider provider = new FixerApiProvider(config);
//Act
//Assert
Assert.ThrowsAsync <InvalidOperationException>(() => provider.GetCurrencyRateByDate("PLN", "USD", DateTime.Now.AddDays(-2)));
}
public FixerApiProvider(FixerConfiguration configuration)
{
this._configuration = configuration;
this._client = new HttpClient();
}
