/// <summary>
/// Creates a tester.
/// </summary>
/// <param name="tests">The conformance tests.</param>
/// <param name="api">The API interface to test.</param>
/// <param name="httpClient">The optional HTTP client for HTTP tests.</param>
public ConformanceApiTester(IReadOnlyList <ConformanceTestInfo> tests, IConformanceApi api, HttpClient?httpClient)
{
m_tests = tests ?? throw new ArgumentNullException(nameof(tests));
m_api = api ?? throw new ArgumentNullException(nameof(api));
m_httpClient = httpClient;
var sameNameTests = m_tests.GroupBy(x => x.Test).FirstOrDefault(x => x.Count() != 1);
if (sameNameTests != null)
{
throw new ArgumentException($"Multiple tests have the name {sameNameTests.First().Test}");
}
foreach (var testsPerMethod in m_tests.GroupBy(x => x.Method).Select(x => x.ToList()))
{
for (var i = 0; i < testsPerMethod.Count; i++)
{
for (var j = i + 1; j < testsPerMethod.Count; j++)
{
if (JToken.DeepEquals(testsPerMethod[i].Request, testsPerMethod[j].Request))
{
throw new ArgumentException($"Tests must not have the same method name and request data, e.g. {testsPerMethod[i].Test} and {testsPerMethod[j].Test}.");
}
}
}
}
}
/// <summary>
/// Creates the handler.
/// </summary>
public ConformanceApiHttpHandler(IConformanceApi service, ServiceHttpHandlerSettings settings)
: base(settings)
{
if (service == null)
{
throw new ArgumentNullException("service");
}
m_service = service;
}
public ConformanceApiController(IConformanceApi api)
{
m_api = api;
}
private async Task HostAsync(HttpContext httpContext, IConformanceApi service, HttpContentSerializer contentSerializer)
{
var httpRequest = httpContext.Request;
var requestUrl = httpRequest.GetEncodedUrl();
var apiHandler = new ConformanceApiHttpHandler(service, new ServiceHttpHandlerSettings {
ContentSerializer = contentSerializer
});
var requestMessage = new HttpRequestMessage(new HttpMethod(httpRequest.Method), requestUrl)
{
Content = new StreamContent(httpRequest.Body),
};
foreach (var header in httpRequest.Headers)
{
// Every header should be able to fit into one of the two header collections.
// Try message.Headers first since that accepts more of them.
if (!requestMessage.Headers.TryAddWithoutValidation(header.Key, header.Value.AsEnumerable()))
{
requestMessage.Content.Headers.TryAddWithoutValidation(header.Key, header.Value.AsEnumerable());
}
}
HttpResponseMessage?responseMessage = null;
ServiceErrorDto? error = null;
try
{
responseMessage = await apiHandler.TryHandleHttpRequestAsync(requestMessage, httpContext.RequestAborted).ConfigureAwait(false);
if (responseMessage == null)
{
error = ServiceErrors.CreateInvalidRequest($"Test not found for {httpRequest.Method} {requestUrl}");
}
}
catch (Exception exception)
{
error = ServiceErrorUtility.CreateInternalErrorForException(exception);
}
if (error != null)
{
var statusCode = HttpServiceErrors.TryGetHttpStatusCode(error.Code) ?? HttpStatusCode.InternalServerError;
responseMessage = new HttpResponseMessage(statusCode)
{
Content = contentSerializer.CreateHttpContent(error)
};
}
if (responseMessage != null)
{
using (responseMessage)
{
var response = httpContext.Response;
response.StatusCode = (int)responseMessage.StatusCode;
var responseHeaders = responseMessage.Headers;
// Ignore the Transfer-Encoding header if it is just "chunked".
// We let the host decide about whether the response should be chunked or not.
if (responseHeaders.TransferEncodingChunked == true && responseHeaders.TransferEncoding.Count == 1)
{
responseHeaders.TransferEncoding.Clear();
}
foreach (var header in responseHeaders)
{
response.Headers.Append(header.Key, header.Value.ToArray());
}
// ReSharper disable once ConditionIsAlwaysTrueOrFalse
if (responseMessage.Content != null)
{
var contentHeaders = responseMessage.Content.Headers;
// Copy the response content headers only after ensuring they are complete.
// We ask for Content-Length first because HttpContent lazily computes this
// and only afterwards writes the value into the content headers.
_ = contentHeaders.ContentLength;
foreach (var header in contentHeaders)
{
response.Headers.Append(header.Key, header.Value.ToArray());
}
await responseMessage.Content.CopyToAsync(response.Body).ConfigureAwait(false);
}
}
}
}
public ConformanceApiHttpHandler(IConformanceApi service, ServiceHttpHandlerSettings?settings = null)
: base(settings, s_defaults)
{
m_service = service ?? throw new ArgumentNullException(nameof(service));
}
/// <summary>
/// Creates a tester.
/// </summary>
/// <param name="tests">The conformance tests.</param>
/// <param name="api">The API interface to test.</param>
public ConformanceApiTester(IReadOnlyList <ConformanceTestInfo> tests, IConformanceApi api)
: this(tests, api, httpClient : null)
{
}
public ConformanceApiTester(IReadOnlyList <ConformanceTestInfo> tests, IConformanceApi api, HttpClient?httpClient)
: this(new ConformanceApiTesterSettings {
Tests = tests, Api = api, JsonSerializer = NewtonsoftJsonServiceSerializer.Instance, HttpClient = httpClient
})
{
}
