Fix issue with application/x-www-form-urlencoded and ExactMatcher (#907)

src/WireMock.Net/Http/HttpRequestMessageHelper.cs

@@ -28,7 +28,7 @@ internal static class HttpRequestMessageHelper
         switch (requestMessage.BodyData?.DetectedBodyType)
         {
             case BodyType.Bytes:
-                httpRequestMessage.Content = ByteArrayContentHelper.Create(requestMessage.BodyData.BodyAsBytes, contentType);
+                httpRequestMessage.Content = ByteArrayContentHelper.Create(requestMessage.BodyData.BodyAsBytes!, contentType);
                 break;
 
             case BodyType.Json:
@@ -36,7 +36,8 @@ internal static class HttpRequestMessageHelper
                 break;
 
             case BodyType.String:
-                httpRequestMessage.Content = StringContentHelper.Create(requestMessage.BodyData.BodyAsString, contentType);
+            case BodyType.FormUrlEncoded:
+                httpRequestMessage.Content = StringContentHelper.Create(requestMessage.BodyData.BodyAsString!, contentType);
                 break;
         }
 

src/WireMock.Net/Matchers/Request/RequestMessageBodyMatcher.cs

@@ -157,6 +157,7 @@ public class RequestMessageBodyMatcher : IRequestMatcher
             {
                 case BodyType.Json:
                 case BodyType.String:
+                case BodyType.FormUrlEncoded:
                     return notNullOrEmptyMatcher.IsMatch(requestMessage.BodyData.BodyAsString);
 
                 case BodyType.Bytes:
@@ -171,7 +172,7 @@ public class RequestMessageBodyMatcher : IRequestMatcher
         {
             // If the body is a byte array, try to match.
             var detectedBodyType = requestMessage.BodyData?.DetectedBodyType;
-            if (detectedBodyType is BodyType.Bytes or BodyType.String)
+            if (detectedBodyType is BodyType.Bytes or BodyType.String or BodyType.FormUrlEncoded)
             {
                 return exactObjectMatcher.IsMatch(requestMessage.BodyData?.BodyAsBytes);
             }
@@ -197,7 +198,7 @@ public class RequestMessageBodyMatcher : IRequestMatcher
         if (matcher is IStringMatcher stringMatcher)
         {
             // If the body is a Json or a String, use the BodyAsString to match on.
-            if (requestMessage?.BodyData?.DetectedBodyType is BodyType.Json or BodyType.String)
+            if (requestMessage?.BodyData?.DetectedBodyType is BodyType.Json or BodyType.String or BodyType.FormUrlEncoded)
             {
                 return stringMatcher.IsMatch(requestMessage.BodyData.BodyAsString);
             }

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

@@ -130,6 +130,7 @@ namespace WireMock.Owin.Mappers
             switch (responseMessage.BodyData?.DetectedBodyType)
             {
                 case BodyType.String:
+                case BodyType.FormUrlEncoded:
                     return (responseMessage.BodyData.Encoding ?? _utf8NoBom).GetBytes(responseMessage.BodyData.BodyAsString!);
 
                 case BodyType.Json:

src/WireMock.Net/Serialization/LogEntryMapper.cs

@@ -44,6 +44,7 @@ internal class LogEntryMapper
             switch (logEntry.RequestMessage.BodyData.DetectedBodyType)
             {
                 case BodyType.String:
+                case BodyType.FormUrlEncoded:
                     logRequestModel.Body = logEntry.RequestMessage.BodyData.BodyAsString;
                     break;
 
@@ -120,6 +121,7 @@ internal class LogEntryMapper
         switch (logEntry.ResponseMessage.BodyData!.DetectedBodyType)
         {
             case BodyType.String:
+            case BodyType.FormUrlEncoded:
                 if (!string.IsNullOrEmpty(logEntry.ResponseMessage.BodyData.IsFuncUsed) && _options.DoNotSaveDynamicResponseInLogEntry == true)
                 {
                     logResponseModel.Body = logEntry.ResponseMessage.BodyData.IsFuncUsed;
@@ -142,6 +144,9 @@ internal class LogEntryMapper
                 logResponseModel.BodyAsFile = logEntry.ResponseMessage.BodyData.BodyAsFile;
                 logResponseModel.BodyAsFileIsCached = logEntry.ResponseMessage.BodyData.BodyAsFileIsCached;
                 break;
+
+            default:
+                break;
         }
     }
 

src/WireMock.Net/Serialization/MappingConverter.cs

@@ -131,6 +131,7 @@ internal class MappingConverter
             switch (response.ResponseMessage.BodyData.DetectedBodyType)
             {
                 case BodyType.String:
+                case BodyType.FormUrlEncoded:
                     sb.AppendLine($"        .WithBody(\"{response.ResponseMessage.BodyData.BodyAsString}\")");
                     break;
             }
@@ -325,6 +326,7 @@ internal class MappingConverter
                 switch (response.ResponseMessage.BodyData?.DetectedBodyType)
                 {
                     case BodyType.String:
+                    case BodyType.FormUrlEncoded:
                         mappingModel.Response.Body = response.ResponseMessage.BodyData.BodyAsString;
                         break;
 

src/WireMock.Net/Serialization/ProxyMappingConverter.cs

@@ -141,6 +141,7 @@ internal class ProxyMappingConverter
                     break;
 
                 case BodyType.String:
+                case BodyType.FormUrlEncoded:
                     newRequest.WithBody(new ExactMatcher(MatchBehaviour.AcceptOnMatch, true, throwExceptionWhenMatcherFails, MatchOperator.Or, requestMessage.BodyData.BodyAsString!));
                     break;
 

src/WireMock.Net/Serialization/WebhookMapper.cs

@@ -97,6 +97,7 @@ internal static class WebhookMapper
             switch (webhook.Request.BodyData.DetectedBodyType)
             {
                 case BodyType.String:
+                case BodyType.FormUrlEncoded:
                     model.Request.Body = webhook.Request.BodyData.BodyAsString;
                     break;
 

src/WireMock.Net/Server/WireMockServer.Admin.cs

@@ -767,14 +767,18 @@ public partial class WireMockServer
 
     private static T DeserializeObject<T>(IRequestMessage requestMessage) where T : new()
     {
-        return requestMessage.BodyData?.DetectedBodyType switch
+        switch (requestMessage.BodyData?.DetectedBodyType)
         {
-            BodyType.String => JsonUtils.DeserializeObject<T>(requestMessage.BodyData.BodyAsString!),
+            case BodyType.String:
+            case BodyType.FormUrlEncoded:
+                return JsonUtils.DeserializeObject<T>(requestMessage.BodyData.BodyAsString!);
 
-            BodyType.Json when requestMessage.BodyData?.BodyAsJson != null => ((JObject)requestMessage.BodyData.BodyAsJson).ToObject<T>()!,
+            case BodyType.Json when requestMessage.BodyData?.BodyAsJson != null:
+                return ((JObject)requestMessage.BodyData.BodyAsJson).ToObject<T>()!;
 
-            _ => throw new NotSupportedException()
+            default:
-        };
+                throw new NotSupportedException();
+        }
     }
 
     private static T[] DeserializeRequestMessageToArray<T>(IRequestMessage requestMessage)

src/WireMock.Net/Server/WireMockServer.AdminFiles.cs

@@ -65,7 +65,7 @@ namespace WireMock.Server
                 }
             };
 
-            if (BytesEncodingUtils.TryGetEncoding(bytes, out Encoding encoding) && FileBodyIsString.Select(x => x.Equals(encoding)).Any())
+            if (BytesEncodingUtils.TryGetEncoding(bytes, out var encoding) && FileBodyIsString.Select(x => x.Equals(encoding)).Any())
             {
                 response.BodyData.DetectedBodyType = BodyType.String;
                 response.BodyData.BodyAsString = encoding.GetString(bytes);

src/WireMock.Net/Transformers/Transformer.cs

@@ -85,7 +85,7 @@ internal class Transformer : ITransformer
         {
             responseMessage.BodyData = TransformBodyData(transformerContext, options, model, original.BodyData, useTransformerForBodyAsFile);
 
-            if (original.BodyData.DetectedBodyType == BodyType.String)
+            if (original.BodyData.DetectedBodyType is BodyType.String or BodyType.FormUrlEncoded)
             {
                 responseMessage.BodyOriginal = original.BodyData.BodyAsString;
             }
@@ -123,13 +123,21 @@ internal class Transformer : ITransformer
 
     private IBodyData? TransformBodyData(ITransformerContext transformerContext, ReplaceNodeOptions options, TransformModel model, IBodyData original, bool useTransformerForBodyAsFile)
     {
-        return original.DetectedBodyType switch
+        switch (original.DetectedBodyType)
         {
-            BodyType.Json => TransformBodyAsJson(transformerContext, options, model, original),
+            case BodyType.Json:
-            BodyType.File => TransformBodyAsFile(transformerContext, model, original, useTransformerForBodyAsFile),
+                return TransformBodyAsJson(transformerContext, options, model, original);
-            BodyType.String => TransformBodyAsString(transformerContext, model, original),
+
-            _ => null
+            case BodyType.File:
-        };
+                return TransformBodyAsFile(transformerContext, model, original, useTransformerForBodyAsFile);
+
+            case BodyType.String:
+            case BodyType.FormUrlEncoded:
+                return TransformBodyAsString(transformerContext, model, original);
+
+            default:
+                return null;
+        }
     }
 
     private static IDictionary<string, WireMockList<string>> TransformHeaders(ITransformerContext transformerContext, TransformModel model, IDictionary<string, WireMockList<string>>? original)

test/WireMock.Net.Tests/WireMockServerTests.WithBody.cs

@@ -94,6 +94,38 @@ public partial class WireMockServerTests
 
         server.Stop();
     }
-}
 
+    [Fact]
+    public async Task WireMockServer_WithBodyAsFormUrlEncoded_Using_PostAsync_And_WithExactMatcher()
+    {
+        // Arrange
+        var server = WireMockServer.Start();
+        server.Given(
+                Request.Create()
+                    .UsingPost()
+                    .WithPath("/foo")
+                    .WithHeader("Content-Type", "application/x-www-form-urlencoded")
+                    .WithBody(new ExactMatcher("name=John+Doe&email=johndoe%40example.com")
+                )
+            )
+            .RespondWith(
+                Response.Create()
+            );
+
+        // Act
+        var content = new FormUrlEncodedContent(new[]
+        {
+            new KeyValuePair<string, string>("name", "John Doe"),
+            new KeyValuePair<string, string>("email", "johndoe@example.com")
+        });
+        var response = await new HttpClient()
+            .PostAsync($"{server.Url}/foo", content)
+            .ConfigureAwait(false);
+
+        // Assert
+        response.StatusCode.Should().Be(HttpStatusCode.OK);
+
+        server.Stop();
+    }
+}
 #endif