Add MultiPart/MimePart Request Matcher (#981)

* wip

* .

* mm

* x

* .

* .

* .

* tests

* .

* more tests

* trans

* x

* win

* fix

* .

* tests

src/WireMock.Net.Abstractions/Admin/Mappings/MatcherModel.cs

@@ -39,14 +39,38 @@ public class MatcherModel
     /// <summary>
     /// The Operator to use when multiple patterns are defined. Optional.
     /// - null      = Same as "or".
-    /// - "or"      = Only one pattern should match.
+    /// - "or"      = Only one pattern is required to match.
     /// - "and"     = All patterns should match.
     /// - "average" = The average value from all patterns.
     /// </summary>
     public string? MatchOperator { get; set; }
 
+    #region JsonPartialMatcher and JsonPartialWildcardMatcher
     /// <summary>
-    /// Support Regex, only used for JsonPartialMatcher.
+    /// Support Regex.
     /// </summary>
     public bool? Regex { get; set; }
+    #endregion
+
+    #region MimePartMatcher
+    /// <summary>
+    /// ContentType Matcher (image/png; name=image.png)
+    /// </summary>
+    public MatcherModel? ContentTypeMatcher { get; set; }
+
+    /// <summary>
+    /// ContentDisposition Matcher (attachment; filename=image.png)
+    /// </summary>
+    public MatcherModel? ContentDispositionMatcher { get; set; }
+
+    /// <summary>
+    /// ContentTransferEncoding Matcher (base64)
+    /// </summary>
+    public MatcherModel? ContentTransferEncodingMatcher { get; set; }
+
+    /// <summary>
+    /// Content Matcher
+    /// </summary>
+    public MatcherModel? ContentMatcher { get; set; }
+    #endregion
 }

src/WireMock.Net.Abstractions/IRequestMessage.cs

@@ -96,32 +96,39 @@ public interface IRequestMessage
     /// <summary>
     /// The original body as string. Convenience getter for Handlebars.
     /// </summary>
-    string Body { get; }
+    string? Body { get; }
 
     /// <summary>
     /// The body (as JSON object). Convenience getter for Handlebars.
     /// </summary>
-    object BodyAsJson { get; }
+    object? BodyAsJson { get; }
 
     /// <summary>
     /// The body (as bytearray). Convenience getter for Handlebars.
     /// </summary>
-    byte[] BodyAsBytes { get; }
+    byte[]? BodyAsBytes { get; }
+
+#if MIMEKIT
+    /// <summary>
+    /// The original body as MimeMessage. Convenience getter for Handlebars.
+    /// </summary>
+    object? BodyAsMimeMessage { get; }
+#endif
 
     /// <summary>
     /// The detected body type. Convenience getter for Handlebars.
     /// </summary>
-    string DetectedBodyType { get; }
+    string? DetectedBodyType { get; }
 
     /// <summary>
     /// The detected body type from the Content-Type header. Convenience getter for Handlebars.
     /// </summary>
-    string DetectedBodyTypeFromContentType { get; }
+    string? DetectedBodyTypeFromContentType { get; }
 
     /// <summary>
     /// The detected compression from the Content-Encoding header. Convenience getter for Handlebars.
     /// </summary>
-    string DetectedCompression { get; }
+    string? DetectedCompression { get; }
 
     /// <summary>
     /// Gets the Host

src/WireMock.Net.Abstractions/WireMock.Net.Abstractions.csproj

@@ -30,6 +30,10 @@
         <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     </PropertyGroup>
 
+    <PropertyGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'netstandard2.1'" >
+        <DefineConstants>$(DefineConstants);GRAPHQL;MIMEKIT</DefineConstants>
+    </PropertyGroup>
+
     <ItemGroup>
         <PackageReference Include="JetBrains.Annotations" Version="2022.3.1" PrivateAssets="All" />
         <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />