public async Task RegionLookupService_ReturnsEmptyStringAndLogsError_WhenHttpRequestFails()
{
// Arrange
var config = CreateConfig();
var dummyLogger = A.Fake <ILogger <RegionLookupService> >();
var dummyClient = A.Fake <IHttpClient>();
var response = new HttpResponseMessage()
{
Content = new StringContent(""), StatusCode = HttpStatusCode.BadRequest
};
A.CallTo(() => dummyClient.GetAsync(A <string> .That.Contains(_baseUrl))).Returns(response);
var regionLookupService = new RegionLookupService(config, dummyClient, dummyLogger);
// Act
var postcode = "DUM MY";
var region = await regionLookupService.GetRegion(postcode);
// Assert
Assert.AreEqual(string.Empty, region);
// A.CallTo(() => dummyLogger.LogError(A<string>.Ignored)).MustHaveHappened();
}
public async Task RegionLookupService_ReturnsCorrectRegion_GivenAPostcode()
{
// Arrange
var config = CreateConfig();
var dummyLogger = A.Fake <ILogger <RegionLookupService> >();
var dummyClient = A.Fake <IHttpClient>();
var stubData = File.ReadAllText("Tests/Stubs/regionLookup.json");
var response = new HttpResponseMessage()
{
Content = new StringContent(stubData), StatusCode = HttpStatusCode.OK
};
A.CallTo(() => dummyClient.GetAsync(A <string> .That.Contains(_baseUrl))).Returns(response);
var regionLookupService = new RegionLookupService(config, dummyClient, dummyLogger);
// Act
var postcode = "DUM MY";
var region = await regionLookupService.GetRegion(postcode);
// Assert
var expectedRegion = JsonConvert.DeserializeObject <RegionLookupResult>(stubData).Result.Region;
Assert.AreEqual(expectedRegion, region);
}