public async Task weatherApiGetsData()
{
// ARRANGE
var mockOptions = new Mock <IOptions <WeatherApiConfig> >();
mockOptions.Setup(m => m.Value)
.Returns(new WeatherApiConfig()
{
weatherApiUrl = "http://testapi.com/",
weatherApiKey = "123456789"
});
var handlerMock = new Mock <HttpMessageHandler>(MockBehavior.Strict);
handlerMock
.Protected()
.Setup <Task <HttpResponseMessage> >(
"SendAsync",
ItExpr.IsAny <HttpRequestMessage>(),
ItExpr.IsAny <CancellationToken>()
)
.ReturnsAsync(new HttpResponseMessage()
{
StatusCode = HttpStatusCode.OK,
Content = new StringContent(JsonConvert.SerializeObject(new FakeWeatherData()))
})
.Verifiable();
var httpClient = new HttpClient(handlerMock.Object);
var weatherApi = new WeatherApi(mockOptions.Object, httpClient);
//ACT
WeatherData result = await weatherApi.getData("Vilnius");
// ASSERT
Assert.IsNotNull(result);
Assert.AreEqual("Vilnius", result.name);
Assert.AreEqual(200, result.cod);
var expectedUri = new Uri("http://testapi.com/?appid=123456789&q=Vilnius&units=metric");
handlerMock.Protected().Verify(
"SendAsync",
Times.Exactly(1),
ItExpr.Is <HttpRequestMessage>(req =>
req.Method == HttpMethod.Get &&
req.RequestUri == expectedUri
),
ItExpr.IsAny <CancellationToken>());
}