public async void CallsTheMetaWeatherApiUrlWithQueryParam()
{
// Arrange
var searchResult = "[{\"title\":\"Leeds\",\"location_type\":\"City\",\"woeid\":26042,\"latt_long\":\"53.794491,-1.546580\"}]";
var mockHandler = GetMockMessageHandler(HttpStatusCode.OK, new StringContent(searchResult));
var mockFactory = GetMockHttpClientFactory(mockHandler.Object);
var mockLogger = new Mock <ILogger <WeatherApiClient> >();
var apiClient = new WeatherApiClient(mockFactory.Object, mockLogger.Object);
// Act
var result = await apiClient.LocationSearch("Leeds");
// Assert
Assert.NotNull(result);
Assert.Single(result);
var firstResult = result[0];
Assert.Equal(26042, firstResult.WoeId);
// also check the 'http' call was like we expected it
var expectedUri = new Uri($"{_defaultBaseUrl}/api/location/search?query=Leeds");
mockHandler.Protected().Verify(
"SendAsync",
Times.Exactly(1), // we expected a single external request
ItExpr.Is <HttpRequestMessage>(req =>
req.Method == HttpMethod.Get && // we expected a GET request
req.RequestUri == expectedUri // to this uri
),
ItExpr.IsAny <CancellationToken>()
);
}
public async void ReturnsAnEmptyListIfApiRequestFails()
{
// Arrange
var mockHandler = GetMockMessageHandler(HttpStatusCode.GatewayTimeout, null);
var mockFactory = GetMockHttpClientFactory(mockHandler.Object);
var mockLogger = new Mock <ILogger <WeatherApiClient> >();
var apiClient = new WeatherApiClient(mockFactory.Object, mockLogger.Object);
// Act
var result = await apiClient.LocationSearch("London");
// Assert
Assert.NotNull(result);
Assert.Empty(result);
// also check the 'http' call was like we expected it
var expectedUri = new Uri($"{_defaultBaseUrl}/api/location/search?query=London");
mockHandler.Protected().Verify(
"SendAsync",
Times.Exactly(1), // we expected a single external request
ItExpr.Is <HttpRequestMessage>(req =>
req.Method == HttpMethod.Get && // we expected a GET request
req.RequestUri == expectedUri // to this uri
),
ItExpr.IsAny <CancellationToken>()
);
}
public async void ReturnsAnEmptyListAndNoApiCallIfNoQueryIsPassed()
{
// Arrange
var mockHandler = GetMockMessageHandler(HttpStatusCode.OK, null);
var mockFactory = GetMockHttpClientFactory(mockHandler.Object);
var mockLogger = new Mock <ILogger <WeatherApiClient> >();
var apiClient = new WeatherApiClient(mockFactory.Object, mockLogger.Object);
// Act
var result = await apiClient.LocationSearch(null);
// Assert
Assert.NotNull(result);
Assert.Empty(result);
mockHandler.Protected().Verify(
"SendAsync",
Times.Exactly(0), // we don't expect the api to be called
ItExpr.IsAny <HttpRequestMessage>(),
ItExpr.IsAny <CancellationToken>()
);
}
