WebHook - Transform Url

examples/WireMock.Net.Client/Properties/launchSettings.json

@@ -0,0 +1,8 @@
+{
+  "profiles": {
+    "WSL": {
+      "commandName": "WSL2",
+      "distributionName": ""
+    }
+  }
+}

src/WireMock.Net/Http/WebhookSender.cs

@@ -44,37 +44,41 @@ IResponseMessage originalResponseMessage
 
         IBodyData? bodyData;
         IDictionary<string, WireMockList<string>>? headers;
+        string webhookRequestUrl;
         if (webhookRequest.UseTransformer == true)
         {
-            ITransformer responseMessageTransformer;
+            ITransformer transformer;
             switch (webhookRequest.TransformerType)
             {
                 case TransformerType.Handlebars:
                     var factoryHandlebars = new HandlebarsContextFactory(_settings.FileSystemHandler, _settings.HandlebarsRegistrationCallback);
-                    responseMessageTransformer = new Transformer(factoryHandlebars);
+                    transformer = new Transformer(factoryHandlebars);
                     break;
 
                 case TransformerType.Scriban:
                 case TransformerType.ScribanDotLiquid:
                     var factoryDotLiquid = new ScribanContextFactory(_settings.FileSystemHandler, webhookRequest.TransformerType);
-                    responseMessageTransformer = new Transformer(factoryDotLiquid);
+                    transformer = new Transformer(factoryDotLiquid);
                     break;
 
                 default:
                     throw new NotImplementedException($"TransformerType '{webhookRequest.TransformerType}' is not supported.");
             }
 
-            (bodyData, headers) = responseMessageTransformer.Transform(mapping, originalRequestMessage, originalResponseMessage, webhookRequest.BodyData, webhookRequest.Headers, webhookRequest.TransformerReplaceNodeOptions);
+            bodyData = transformer.TransformBody(mapping, originalRequestMessage, originalResponseMessage, webhookRequest.BodyData, webhookRequest.TransformerReplaceNodeOptions);
+            headers = transformer.TransformHeaders(mapping, originalRequestMessage, originalResponseMessage, webhookRequest.Headers);
+            webhookRequestUrl = transformer.TransformString(mapping, originalRequestMessage, originalResponseMessage, webhookRequest.Url);
         }
         else
         {
             bodyData = webhookRequest.BodyData;
             headers = webhookRequest.Headers;
+            webhookRequestUrl = webhookRequest.Url;
         }
 
         // Create RequestMessage
         var requestMessage = new RequestMessage(
-            new UrlDetails(webhookRequest.Url),
+            new UrlDetails(webhookRequestUrl),
             webhookRequest.Method,
             ClientIp,
             bodyData,

src/WireMock.Net/Transformers/ITransformer.cs

@@ -8,5 +8,9 @@ interface ITransformer
 {
     ResponseMessage Transform(IMapping mapping, IRequestMessage requestMessage, IResponseMessage original, bool useTransformerForBodyAsFile, ReplaceNodeOptions options);
 
-    (IBodyData? BodyData, IDictionary<string, WireMockList<string>>? Headers) Transform(IMapping mapping, IRequestMessage originalRequestMessage, IResponseMessage originalResponseMessage, IBodyData? bodyData, IDictionary<string, WireMockList<string>>? headers, ReplaceNodeOptions options);
+    IBodyData? TransformBody(IMapping mapping, IRequestMessage originalRequestMessage, IResponseMessage originalResponseMessage, IBodyData? bodyData, ReplaceNodeOptions options);
+
+    IDictionary<string, WireMockList<string>>? TransformHeaders(IMapping mapping, IRequestMessage originalRequestMessage, IResponseMessage originalResponseMessage, IDictionary<string, WireMockList<string>>? headers);
+
+    string TransformString(IMapping mapping, IRequestMessage originalRequestMessage, IResponseMessage originalResponseMessage, string? value);
 }

src/WireMock.Net/Transformers/TransformModel.cs

@@ -0,0 +1,13 @@
+using System.Diagnostics.CodeAnalysis;
+
+namespace WireMock.Transformers;
+
+[SuppressMessage("ReSharper", "InconsistentNaming")]
+internal struct TransformModel
+{
+    public IMapping mapping { get; set; }
+
+    public IRequestMessage request { get; set; }
+
+    public IResponseMessage? response { get; set; }
+}

src/WireMock.Net/Transformers/Transformer.cs

@@ -1,9 +1,9 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using Stef.Validation;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 using WireMock.Types;
 using WireMock.Util;
 
@@ -18,43 +18,57 @@ public Transformer(ITransformerContextFactory factory)
         _factory = Guard.NotNull(factory);
     }
 
-    public (IBodyData? BodyData, IDictionary<string, WireMockList<string>>? Headers) Transform(
+    public IBodyData? TransformBody(
         IMapping mapping,
         IRequestMessage originalRequestMessage,
         IResponseMessage originalResponseMessage,
         IBodyData? bodyData,
-        IDictionary<string, WireMockList<string>>? headers,
         ReplaceNodeOptions options)
     {
-        var transformerContext = _factory.Create();
-
-        var model = new
-        {
-            mapping,
-            request = originalRequestMessage,
-            response = originalResponseMessage
-        };
+        var (transformerContext, model) = Create(mapping, originalRequestMessage, originalResponseMessage);
 
         IBodyData? newBodyData = null;
         if (bodyData?.DetectedBodyType != null)
         {
             newBodyData = TransformBodyData(transformerContext, options, model, bodyData, false);
         }
 
-        return (newBodyData, TransformHeaders(transformerContext, model, headers));
+        return newBodyData;
     }
 
-    public ResponseMessage Transform(IMapping mapping, IRequestMessage requestMessage, IResponseMessage original, bool useTransformerForBodyAsFile, ReplaceNodeOptions options)
+    public IDictionary<string, WireMockList<string>>? TransformHeaders(
+        IMapping mapping,
+        IRequestMessage originalRequestMessage,
+        IResponseMessage originalResponseMessage,
+        IDictionary<string, WireMockList<string>>? headers
+    )
     {
-        var transformerContext = _factory.Create();
+        var (transformerContext, model) = Create(mapping, originalRequestMessage, originalResponseMessage);
 
-        var responseMessage = new ResponseMessage();
+        return TransformHeaders(transformerContext, model, headers);
+    }
 
-        var model = new
+    public string TransformString(
+        IMapping mapping,
+        IRequestMessage originalRequestMessage,
+        IResponseMessage originalResponseMessage,
+        string? value
+    )
+    {
+        if (value is null)
         {
-            mapping,
-            request = requestMessage
-        };
+            return string.Empty;
+        }
+
+        var (transformerContext, model) = Create(mapping, originalRequestMessage, originalResponseMessage);
+        return transformerContext.ParseAndRender(value, model);
+    }
+
+    public ResponseMessage Transform(IMapping mapping, IRequestMessage requestMessage, IResponseMessage original, bool useTransformerForBodyAsFile, ReplaceNodeOptions options)
+    {
+        var responseMessage = new ResponseMessage();
+
+        var (transformerContext, model) = Create(mapping, requestMessage, null);
 
         if (original.BodyData?.DetectedBodyType != null)
         {
@@ -85,7 +99,17 @@ public ResponseMessage Transform(IMapping mapping, IRequestMessage requestMessag
         return responseMessage;
     }
 
-    private static IBodyData? TransformBodyData(ITransformerContext transformerContext, ReplaceNodeOptions options, object model, IBodyData original, bool useTransformerForBodyAsFile)
+    private (ITransformerContext TransformerContext, TransformModel Model) Create(IMapping mapping, IRequestMessage request, IResponseMessage? response)
+    {
+        return (_factory.Create(), new TransformModel
+        {
+            mapping = mapping,
+            request = request,
+            response = response
+        });
+    }
+
+    private static IBodyData? TransformBodyData(ITransformerContext transformerContext, ReplaceNodeOptions options, TransformModel model, IBodyData original, bool useTransformerForBodyAsFile)
     {
         return original.DetectedBodyType switch
         {
@@ -96,7 +120,7 @@ public ResponseMessage Transform(IMapping mapping, IRequestMessage requestMessag
         };
     }
 
-    private static IDictionary<string, WireMockList<string>> TransformHeaders(ITransformerContext transformerContext, object model, IDictionary<string, WireMockList<string>>? original)
+    private static IDictionary<string, WireMockList<string>> TransformHeaders(ITransformerContext transformerContext, TransformModel model, IDictionary<string, WireMockList<string>>? original)
     {
         if (original == null)
         {