From d0ed0b852e24b01c043743c207625f1bca8fa3f2 Mon Sep 17 00:00:00 2001
From: Stef Heyenrath <stef.heyenrath@gmail.com>
Date: Sat, 21 Feb 2026 19:23:57 +0100
Subject: [PATCH] ok

---
 ...ck.Net.RestClient.AwesomeAssertions.csproj |  1 -
 src/WireMock.Net.Shared/Util/BodyParser.cs    | 70 +++++++++++++------
 .../WireMockAdminApiAssertionsTests.cs        |  9 +--
 3 files changed, 55 insertions(+), 25 deletions(-)

diff --git a/src/WireMock.Net.RestClient.AwesomeAssertions/WireMock.Net.RestClient.AwesomeAssertions.csproj b/src/WireMock.Net.RestClient.AwesomeAssertions/WireMock.Net.RestClient.AwesomeAssertions.csproj
index 8ce2e1b7..c69e5a50 100644
--- a/src/WireMock.Net.RestClient.AwesomeAssertions/WireMock.Net.RestClient.AwesomeAssertions.csproj
+++ b/src/WireMock.Net.RestClient.AwesomeAssertions/WireMock.Net.RestClient.AwesomeAssertions.csproj
@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <Version>0.0.1-preview-01</Version>
         <Description>AwesomeAssertions extensions for WireMock.Net RestClient</Description>
         <AssemblyTitle>WireMock.Net.RestClient.AwesomeAssertions</AssemblyTitle>
         <Authors>Stef Heyenrath</Authors>
diff --git a/src/WireMock.Net.Shared/Util/BodyParser.cs b/src/WireMock.Net.Shared/Util/BodyParser.cs
index de940a24..826735ed 100644
--- a/src/WireMock.Net.Shared/Util/BodyParser.cs
+++ b/src/WireMock.Net.Shared/Util/BodyParser.cs
@@ -1,11 +1,7 @@
 // Copyright © WireMock.Net
 
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
 using System.Net.Http.Headers;
 using System.Text;
-using System.Threading.Tasks;
 using Stef.Validation;
 using WireMock.Constants;
 using WireMock.Matchers;
@@ -16,7 +12,7 @@ namespace WireMock.Util;
 internal static class BodyParser
 {
     private static readonly Encoding DefaultEncoding = new UTF8Encoding(encoderShouldEmitUTF8Identifier: false, throwOnInvalidBytes: true);
-    private static readonly Encoding[] SupportedBodyAsStringEncodingForMultipart = [ DefaultEncoding, Encoding.ASCII ];
+    private static readonly Encoding[] SupportedBodyAsStringEncodingForMultipart = [DefaultEncoding, Encoding.ASCII];
 
     /*
         HEAD - No defined body semantics.
@@ -156,7 +152,7 @@ internal static class BodyParser
         }
 
         // Try to get the body as String, FormUrlEncoded or Json
-        try
+        if (IsProbablyText(data.BodyAsBytes))
         {
             data.BodyAsString = DefaultEncoding.GetString(data.BodyAsBytes);
             data.Encoding = DefaultEncoding;
@@ -168,15 +164,8 @@ internal static class BodyParser
                 QueryStringParser.TryParse(data.BodyAsString, false, out var nameValueCollection)
             )
             {
-                try
-                {
-                    data.BodyAsFormUrlEncoded = nameValueCollection;
-                    data.DetectedBodyType = BodyType.FormUrlEncoded;
-                }
-                catch
-                {
-                    // Deserialize FormUrlEncoded failed, just ignore.
-                }
+                data.BodyAsFormUrlEncoded = nameValueCollection;
+                data.DetectedBodyType = BodyType.FormUrlEncoded;
             }
 
             // If string is not null or empty, try to deserialize the string to a JObject
@@ -193,14 +182,10 @@ internal static class BodyParser
                 }
             }
         }
-        catch
-        {
-            // Reading as string failed, just ignore
-        }
 
         return data;
     }
-    
+
     private static async Task<(string? ContentType, byte[] Bytes)> ReadBytesAsync(Stream stream, string? contentEncoding = null, bool decompressGZipAndDeflate = true)
     {
         using var memoryStream = new MemoryStream();
@@ -215,4 +200,49 @@ internal static class BodyParser
 
         return (null, data);
     }
+
+    public static bool IsProbablyText(byte[] data)
+    {
+        if (data.Length == 0)
+        {
+            return true;
+        }
+        ;
+
+        // 1) Quick binary detection
+        for (int i = 0; i < data.Length; i++)
+        {
+            if (data[i] == 0)
+            {
+                return false;
+            }
+        }
+
+        // 2) Validate UTF-8
+        string text;
+        try
+        {
+            text = DefaultEncoding.GetString(data);
+        }
+        catch
+        {
+            return false;
+        }
+
+        // 3) Count printable characters
+        int printable = 0;
+
+        foreach (char c in text)
+        {
+            if (!char.IsControl(c) || char.IsWhiteSpace(c))
+            {
+                printable++;
+            }
+        }
+
+        var ratio = (double)printable / text.Length;
+
+        // Threshold commonly used by tools like git
+        return ratio > 0.85;
+    }
 }
\ No newline at end of file
diff --git a/test/WireMock.Net.Tests/FluentAssertions/WireMockAdminApiAssertionsTests.cs b/test/WireMock.Net.Tests/FluentAssertions/WireMockAdminApiAssertionsTests.cs
index bf2578e8..abcf5080 100644
--- a/test/WireMock.Net.Tests/FluentAssertions/WireMockAdminApiAssertionsTests.cs
+++ b/test/WireMock.Net.Tests/FluentAssertions/WireMockAdminApiAssertionsTests.cs
@@ -1002,7 +1002,7 @@ public class WireMockAdminApiAssertionsTests : IDisposable
 
         act.Should()
             .Throw<Exception>()
-            .WithMessage("Expected wiremockadminapi to have been called using body \"byte[1] {...}\", but didn't find it among the body/bodies <null>.");
+            .WithMessage("Expected wiremockadminapi to have been called using body \"byte[1] {...}\", but didn't find it among the body/bodies \"byte[1] {...}\".");
     }
 
     [Fact]
@@ -1016,21 +1016,22 @@ public class WireMockAdminApiAssertionsTests : IDisposable
         });
         var adminApi = RestClient.For<IWireMockAdminApi>(server.Url);
 
+        var bytes = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
         server
-            .Given(Request.Create().WithPath("/a").UsingPut().WithBody([100]))
+            .Given(Request.Create().WithPath("/binary").UsingPut().WithBody(bytes))
             .RespondWith(Response.Create().WithBody("A response"));
 
         // Act
         using var httpClient = new HttpClient();
 
-        await httpClient.PutAsync($"{server.Url}/a", new ByteArrayContent([100]), _ct);
+        await httpClient.PutAsync($"{server.Url}/binary", new ByteArrayContent(bytes), _ct);
 
         // Assert
         adminApi
             .Should()
             .HaveReceived(1)
             .Calls()
-            .WithBodyAsBytes([100])
+            .WithBodyAsBytes(bytes)
             .And
             .UsingPut();