Add MultiPart/MimePart Request Matcher (#981)

* wip * . * mm * x * . * . * . * tests * . * more tests * trans * x * win * fix * . * tests
2026-04-10 18:56:50 +02:00 · 2023-08-03 15:55:46 +02:00
parent a58ead7b4e
commit 4688f556b5
45 changed files with 2022 additions and 903 deletions
--- a/src/WireMock.Net/Matchers/Request/RequestMessageMultiPartMatcher.cs
+++ b/src/WireMock.Net/Matchers/Request/RequestMessageMultiPartMatcher.cs
@@ -0,0 +1,99 @@
+using System.Collections.Generic;
+using System.Linq;
+using Stef.Validation;
+using WireMock.Http;
+using WireMock.Util;
+
+namespace WireMock.Matchers.Request;
+
+/// <summary>
+/// The request body MultiPart matcher.
+/// </summary>
+public class RequestMessageMultiPartMatcher : IRequestMatcher
+{
+    /// <summary>
+    /// The matchers.
+    /// </summary>
+    public IMatcher[]? Matchers { get; }
+
+    /// <summary>
+    /// The <see cref="MatchOperator"/>
+    /// </summary>
+    public MatchOperator MatchOperator { get; } = MatchOperator.Or;
+
+    /// <summary>
+    /// The <see cref="MatchBehaviour"/>
+    /// </summary>
+    public MatchBehaviour MatchBehaviour { get; }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="RequestMessageMultiPartMatcher"/> class.
+    /// </summary>
+    /// <param name="matchers">The matchers.</param>
+    public RequestMessageMultiPartMatcher(params IMatcher[] matchers)
+    {
+        Matchers = Guard.NotNull(matchers);
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="RequestMessageMultiPartMatcher"/> class.
+    /// </summary>
+    /// <param name="matchBehaviour">The match behaviour.</param>
+    /// <param name="matchOperator">The <see cref="MatchOperator"/> to use.</param>
+    /// <param name="matchers">The matchers.</param>
+    public RequestMessageMultiPartMatcher(MatchBehaviour matchBehaviour, MatchOperator matchOperator, params IMatcher[] matchers)
+    {
+        Matchers = Guard.NotNull(matchers);
+        MatchBehaviour = matchBehaviour;
+        MatchOperator = matchOperator;
+    }
+
+    /// <inheritdoc />
+    public double GetMatchingScore(IRequestMessage requestMessage, IRequestMatchResult requestMatchResult)
+    {
+#if !MIMEKIT
+        throw new System.NotSupportedException("The MultiPartMatcher can not be used for .NETStandard1.3 or .NET Framework 4.6.1 or lower.");
+#else
+        var match = MatchScores.Mismatch;
+
+        if (Matchers?.Any() != true)
+        {
+            return requestMatchResult.AddScore(GetType(), match);
+        }
+
+        try
+        {
+            var message = MimeKitUtils.GetMimeMessage(requestMessage.BodyData!, requestMessage.Headers![HttpKnownHeaderNames.ContentType].ToString());
+
+            var mimePartMatchers = Matchers.OfType<MimePartMatcher>().ToArray();
+
+            foreach (var mimePart in message.BodyParts.OfType<MimeKit.MimePart>())
+            {
+                var matchesForMimePart = new List<double> { MatchScores.Mismatch };
+                matchesForMimePart.AddRange(mimePartMatchers.Select(matcher => matcher.IsMatch(mimePart)));
+
+                match = matchesForMimePart.Max();
+
+                if (MatchScores.IsPerfect(match))
+                {
+                    if (MatchOperator == MatchOperator.Or)
+                    {
+                        break;
+                    }
+                }
+                else
+                {
+                    match = MatchScores.Mismatch;
+                    break;
+                }
+            }
+        }
+        catch
+        {
+            // Empty
+        }
+
+        return requestMatchResult.AddScore(GetType(), match);
+#endif
+    }
+}