private async Task PerformCallbacks(
HttpContext httpContext,
IMockacoContext mockacoContext,
IScriptContext scriptContext,
ITemplateTransformer templateTransformer,
MockacoOptions options)
{
try
{
var stopwatch = Stopwatch.StartNew();
var template = await templateTransformer.Transform(mockacoContext.Mock.RawTemplate, scriptContext);
var callbackTasks = new List <Task>();
foreach (var callbackTemplate in template.Callbacks)
{
callbackTasks.Add(PerformCallback(httpContext, callbackTemplate, options, stopwatch.ElapsedMilliseconds));
}
await Task.WhenAll(callbackTasks);
}
catch (Exception ex)
{
_logger.LogError(ex, "Error preparing callback(s)");
}
}
private async Task PerformCallback(
HttpContext httpContext,
IMockacoContext mockacoContext,
IScriptContext scriptContext,
ITemplateTransformer templateTransformer,
MockacoOptions options)
{
try
{
var stopwatch = Stopwatch.StartNew();
var callbackTemplate = await PrepareCallbackTemplate(mockacoContext, scriptContext, templateTransformer);
var request = PrepareHttpRequest(callbackTemplate, options);
var httpClient = PrepareHttpClient(httpContext, callbackTemplate);
await DelayRequest(callbackTemplate, stopwatch.ElapsedMilliseconds);
stopwatch.Restart();
_logger.LogDebug("Callback started");
await PerformRequest(request, httpClient);
_logger.LogDebug("Callback finished in {0} ms", stopwatch.ElapsedMilliseconds);
}
catch (Exception ex)
{
_logger.LogError(ex, "Callback error");
}
}
private async Task PrepareResponse(
HttpResponse httpResponse,
Template transformedTemplate,
IResponseBodyFactory responseBodyFactory,
MockacoOptions options)
{
httpResponse.StatusCode = GetResponseStatusFromTemplate(transformedTemplate.Response, options);
AddHeadersFromTemplate(httpResponse, transformedTemplate.Response, options);
var bodyBytes = await responseBodyFactory.GetResponseBodyBytesFromTemplate(transformedTemplate.Response);
if (bodyBytes == default)
{
return;
}
await httpResponse.Body.WriteAsync(bodyBytes, 0, bodyBytes.Length, default);
}
private void AddHeadersFromTemplate(HttpResponse response, ResponseTemplate responseTemplate, MockacoOptions options)
{
if (responseTemplate?.Headers != null)
{
foreach (var header in responseTemplate.Headers)
{
response.Headers.Add(header.Key, header.Value);
}
}
if (string.IsNullOrEmpty(response.ContentType))
{
response.ContentType = options.DefaultHttpContentType;
}
}
private int GetResponseStatusFromTemplate(ResponseTemplate responseTemplate, MockacoOptions options)
{
return(responseTemplate?.Status == default(HttpStatusCode)
? (int)options.DefaultHttpStatusCode
: (int)responseTemplate.Status);
}
private async Task PerformCallback(HttpContext httpContext, CallbackTemplate callbackTemplate, MockacoOptions options, long elapsedMilliseconds)
{
try
{
var request = PrepareHttpRequest(callbackTemplate, options);
var httpClient = PrepareHttpClient(httpContext, callbackTemplate);
await DelayRequest(callbackTemplate, elapsedMilliseconds);
var stopwatch = Stopwatch.StartNew();
_logger.LogDebug("Callback started");
await PerformRequest(request, httpClient);
_logger.LogDebug("Callback finished in {0} ms", stopwatch.ElapsedMilliseconds);
}
catch (Exception ex)
{
_logger.LogError(ex, "Callback error");
}
}
private static void PrepareHeaders(CallbackTemplate callBackTemplate, HttpRequestMessage httpRequest, MockacoOptions options)
{
if (callBackTemplate.Headers != null)
{
foreach (var header in callBackTemplate.Headers.Where(h => h.Key != HttpHeaders.ContentType))
{
if (httpRequest.Headers.Contains(header.Key))
{
httpRequest.Headers.Remove(header.Key);
}
httpRequest.Headers.Add(header.Key, header.Value);
}
}
if (!httpRequest.Headers.Accept.Any())
{
httpRequest.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue(options.DefaultHttpContentType));
}
}
private static HttpRequestMessage PrepareHttpRequest(CallbackTemplate callbackTemplate, MockacoOptions options)
{
var request = new HttpRequestMessage(new HttpMethod(callbackTemplate.Method), callbackTemplate.Url);
var formatting = callbackTemplate.Indented.GetValueOrDefault(true) ? Formatting.Indented : default;
if (callbackTemplate.Body != null)
{
request.Content = callbackTemplate.Headers?.ContainsKey(HttpHeaders.ContentType) == true
? new StringContent(callbackTemplate.Body.ToString(), Encoding.UTF8, callbackTemplate.Headers[HttpHeaders.ContentType])
: new StringContent(callbackTemplate.Body.ToString(formatting));
}
PrepareHeaders(callbackTemplate, request, options);
return(request);
}