public async Task Then_The_Endpoint_Is_Called_And_Data_Returned()
{
//Arrange
var fixture = new Fixture().Customize(new AutoMoqCustomization {
ConfigureMembers = true
});
var postcodeLookup = fixture.Create <PostcodeLookup>();
var postcodes = fixture.Create <PostcodeLookupRequest>();
var response = new HttpResponseMessage
{
Content = new StringContent(JsonConvert.SerializeObject(postcodeLookup)),
StatusCode = HttpStatusCode.OK
};
var uri = new Uri(ConfigurationConstants.PostcodeLookupUrl + "postcodes");
var httpMessageHandler = MessageHandler.SetupMessageHandlerMock(response, uri, HttpMethod.Post);
var client = new HttpClient(httpMessageHandler.Object);
var apiService = new PostcodeApiService(client);
//Act
var postcodeData = await apiService.GetPostcodeData(postcodes);
//Assert
httpMessageHandler.Protected()
.Verify <Task <HttpResponseMessage> >(
"SendAsync", Times.Once(),
ItExpr.Is <HttpRequestMessage>(c =>
c.Method.Equals(HttpMethod.Post) &&
c.RequestUri.Equals(uri)),
ItExpr.IsAny <CancellationToken>()
);
postcodeData.Should().BeEquivalentTo(postcodeLookup);
}
public void Then_If_It_Is_Not_Successful_An_Exception_Is_Thrown(string query)
{
//Arrange
var response = new HttpResponseMessage
{
Content = new StringContent(""),
StatusCode = HttpStatusCode.BadRequest
};
var httpMessageHandler = MessageHandler.SetupMessageHandlerMock(response, new Uri(string.Format(Constants.PostcodeUrl, query)));
var client = new HttpClient(httpMessageHandler.Object);
var postcodeService = new PostcodeApiService(client);
//Act Assert
Assert.ThrowsAsync <HttpRequestException>(() => postcodeService.GetPostcodeData(query));
}
public async Task Then_If_NotFound_Result_Then_Service_Returns_Null(
PostcodeLocationApiResponse postcodeResponse,
string query)
{
var response = new HttpResponseMessage
{
Content = new StringContent(JsonConvert.SerializeObject(postcodeResponse)),
StatusCode = HttpStatusCode.NotFound,
};
var httpMessageHandler = MessageHandler.SetupMessageHandlerMock(response, new Uri(string.Format(Constants.PostcodeUrl, query)));
var client = new HttpClient(httpMessageHandler.Object);
var postcodeService = new PostcodeApiService(client);
//Act
var actual = await postcodeService.GetPostcodeData(query);
//Assert
actual.Should().Be(null);
}
public async Task Then_The_Endpoint_Is_Called_And_Postcode_Data_Returned(
PostcodeLocationApiResponse postcodeResponse,
string query)
{
postcodeResponse.Result.Country = "England";
var response = new HttpResponseMessage
{
Content = new StringContent(JsonConvert.SerializeObject(postcodeResponse)),
StatusCode = HttpStatusCode.Accepted,
};
var httpMessageHandler = MessageHandler.SetupMessageHandlerMock(response, new Uri(string.Format(Constants.PostcodeUrl, query)));
var client = new HttpClient(httpMessageHandler.Object);
var postcodeService = new PostcodeApiService(client);
//Act
var actual = await postcodeService.GetPostcodeData(query);
//Assert
actual.Should().BeEquivalentTo(postcodeResponse.Result, options => options.ExcludingMissingMembers());
}
public void Then_If_It_Is_Not_Successful_An_Exception_Is_Thrown()
{
//Arrange
var fixture = new Fixture().Customize(new AutoMoqCustomization {
ConfigureMembers = true
});
var postcodes = fixture.Create <PostcodeLookupRequest>();
var response = new HttpResponseMessage
{
Content = new StringContent(""),
StatusCode = HttpStatusCode.BadRequest
};
var uri = new Uri(ConfigurationConstants.PostcodeLookupUrl + "postcodes");
var httpMessageHandler = MessageHandler.SetupMessageHandlerMock(response, uri, HttpMethod.Post);
var client = new HttpClient(httpMessageHandler.Object);
var apiService = new PostcodeApiService(client);
//Act Assert
Assert.ThrowsAsync <HttpRequestException>(() => apiService.GetPostcodeData(postcodes));
}