Rewrite some unit-integration-tests to unit-tests (#206 #207)

Rewrite some unit-integration-tests to unit-tests (#206)

src/WireMock.Net/Owin/Mappers/OwinRequestMapper.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using WireMock.Models;
+using WireMock.Util;
+#if !USE_ASPNETCORE
+using IRequest = Microsoft.Owin.IOwinRequest;
+#else
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Extensions;
+using IRequest = Microsoft.AspNetCore.Http.HttpRequest;
+#endif
+
+namespace WireMock.Owin.Mappers
+{
+    /// <summary>
+    /// OwinRequestMapper
+    /// </summary>
+    internal class OwinRequestMapper : IOwinRequestMapper
+    {
+        /// <inheritdoc cref="IOwinRequestMapper.MapAsync"/>
+        public async Task<RequestMessage> MapAsync(IRequest request)
+        {
+            (UrlDetails urldetails, string clientIP) = ParseRequest(request);
+
+            string method = request.Method;
+
+            Dictionary<string, string[]> headers = null;
+            if (request.Headers.Any())
+            {
+                headers = new Dictionary<string, string[]>();
+                foreach (var header in request.Headers)
+                {
+                    headers.Add(header.Key, header.Value);
+                }
+            }
+
+            IDictionary<string, string> cookies = null;
+            if (request.Cookies.Any())
+            {
+                cookies = new Dictionary<string, string>();
+                foreach (var cookie in request.Cookies)
+                {
+                    cookies.Add(cookie.Key, cookie.Value);
+                }
+            }
+
+            BodyData body = null;
+            if (request.Body != null && ShouldParseBody(method))
+            {
+                body = await BodyParser.Parse(request.Body, request.ContentType);
+            }
+
+            return new RequestMessage(urldetails, method, clientIP, body, headers, cookies) { DateTime = DateTime.UtcNow };
+        }
+
+        private (UrlDetails UrlDetails, string ClientIP) ParseRequest(IRequest request)
+        {
+#if !USE_ASPNETCORE
+            var urldetails = UrlUtils.Parse(request.Uri, request.PathBase);
+            string clientIP = request.RemoteIpAddress;
+#else
+            var urldetails = UrlUtils.Parse(new Uri(request.GetEncodedUrl()), request.PathBase);
+            var connection = request.HttpContext.Connection;
+            string clientIP = connection.RemoteIpAddress.IsIPv4MappedToIPv6
+                ? connection.RemoteIpAddress.MapToIPv4().ToString()
+                : connection.RemoteIpAddress.ToString();
+#endif
+            return (urldetails, clientIP);
+        }
+
+        private bool ShouldParseBody(string method)
+        {
+            /*
+                HEAD - No defined body semantics.
+                GET - No defined body semantics.
+                PUT - Body supported.
+                POST - Body supported.
+                DELETE - No defined body semantics.
+                TRACE - Body not supported.
+                OPTIONS - Body supported but no semantics on usage (maybe in the future).
+                CONNECT - No defined body semantics
+                PATCH - Body supported.
+            */
+            return new[] { "PUT", "POST", "OPTIONS", "PATCH" }.Contains(method.ToUpper());
+        }
+    }
+}