public async Task GetRateAsync_ArgumentsNullOrEmpty(string from, string to)
{
var logger = TestHelper.CreateDefaultLogger();
var httpMessageHandler = new Mock <HttpMessageHandler>();
var httpClient = new HttpClient(httpMessageHandler.Object);
var exchageRateApi = new ExchangeRateApi(httpClient, logger.Object);
var rate = await exchageRateApi.GetRateAsync(from, to);
Assert.IsNull(rate);
}
public async Task GetRateAsync_ArgumentsEquals()
{
var logger = TestHelper.CreateDefaultLogger();
var httpMessageHandler = new Mock <HttpMessageHandler>();
var httpClient = new HttpClient(httpMessageHandler.Object);
var exchageRateApi = new ExchangeRateApi(httpClient, logger.Object);
var currency = EurCurrency;
var rate = await exchageRateApi.GetRateAsync(currency, currency);
Assert.AreEqual(1m, rate);
}
public async Task GetRateAsync_ResponseSuccessJsonWithoutRate()
{
var logger = TestHelper.CreateDefaultLogger();
var response = new HttpResponseMessage()
{
StatusCode = HttpStatusCode.OK,
Content = new StringContent(@"{""result"": ""success""}"),
};
var httpMessageHandler = new Mock <HttpMessageHandler>();
var httpClient = new HttpClient(httpMessageHandler.Object);
httpMessageHandler.Protected()
.Setup <Task <HttpResponseMessage> >(
"SendAsync",
ItExpr.IsAny <HttpRequestMessage>(),
ItExpr.IsAny <CancellationToken>())
.ReturnsAsync(response);
var exchageRateApi = new ExchangeRateApi(httpClient, logger.Object);
var rate = await exchageRateApi.GetRateAsync(EurCurrency, UsdCurrency);
Assert.IsNull(rate);
}
