public async Task ConvertSuccess()
{
var service = new Mock <IDataFeedService>(MockBehavior.Strict);
var dataFeed = new DataFeed()
{
Base = "EUR",
Success = true,
Timestamp = 1541819346,
Rates = new Dictionary <string, decimal>()
{
{ "ETB", 31.813406m },
{ "EUR", 1m },
{ "GBP", 0.873592m }
}
};
service.Setup(s => s.LoadAsync()).ReturnsAsync(dataFeed);
var controller = new ExchangeRateController(service.Object);
var result = await controller.Convert("GBP", "EUR");
Assert.IsInstanceOf <ActionResult <ExchangeRatePair> >(result);
Assert.IsNotNull(result.Value, "ExchangeRatePair");
Assert.AreEqual("GBP", result.Value.BaseCurrency);
Assert.AreEqual("EUR", result.Value.TargetCurrency);
Assert.AreEqual(0.87359m, result.Value.ExchangeRate);
Assert.AreEqual("2018-11-10T02:09:06.00Z", result.Value.Timestamp);
}
public async Task ConvertErrorCurrencyIsNot3SymbolsInLength()
{
var service = new Mock <IDataFeedService>(MockBehavior.Strict);
var controller = new ExchangeRateController(service.Object);
var result = await controller.Convert("GB", "EU");
Assert.IsInstanceOf <ActionResult <ExchangeRatePair> >(result);
Assert.IsInstanceOf <BadRequestObjectResult>(result.Result);
Assert.AreEqual((int)HttpStatusCode.BadRequest, ((BadRequestObjectResult)result.Result).StatusCode);
Assert.IsNull(result.Value);
}
public async Task ConvertErrorBaseAndTargetCurrencyIsTheSame()
{
var service = new Mock <IDataFeedService>(MockBehavior.Strict);
var controller = new ExchangeRateController(service.Object);
var result = await controller.Convert("GBP", "GBP");
Assert.IsInstanceOf <ActionResult <ExchangeRatePair> >(result);
Assert.IsInstanceOf <BadRequestObjectResult>(result.Result);
Assert.AreEqual((int)HttpStatusCode.BadRequest, ((BadRequestObjectResult)result.Result).StatusCode);
Assert.AreEqual("BaseCurrency should be different than TargetCurrency.", ((BadRequestObjectResult)result.Result).Value);
Assert.IsNull(result.Value);
}
public async Task ConvertErrorDataFeedNotLoaded()
{
var service = new Mock <IDataFeedService>(MockBehavior.Strict);
service.Setup(s => s.LoadAsync()).ReturnsAsync((DataFeed)null);
var controller = new ExchangeRateController(service.Object);
var result = await controller.Convert("GBP", "EUR");
Assert.IsInstanceOf <ActionResult <ExchangeRatePair> >(result);
Assert.IsInstanceOf <ObjectResult>(result.Result);
Assert.AreEqual((int)HttpStatusCode.PreconditionFailed, ((ObjectResult)result.Result).StatusCode);
Assert.AreEqual("DataFeed is empty", ((ObjectResult)result.Result).Value);
Assert.IsNull(result.Value);
}