Fix JsonPartialMatcher when using property names with dot (#1216)

Fix JsonPartialMatcher when using property names with dot (#1216)

Author: StefH

src/WireMock.Net/Matchers/AbstractJsonPartialMatcher.cs

@@ -82,7 +82,7 @@ protected override bool IsMatch(JToken value, JToken? input)
             case JTokenType.Object:
                 var nestedValues = value.ToObject<Dictionary<string, JToken>>();
                 return nestedValues?.Any() != true ||
-                       nestedValues.All(pair => IsMatch(pair.Value, input.SelectToken(pair.Key)));
+                       nestedValues.All(pair => IsMatch(pair.Value, input.SelectToken(pair.Key) ?? input[pair.Key])); // First try to select based on JPath expression, else just get the value.
 
             case JTokenType.Array:
                 var valuesArray = value.ToObject<JToken[]>();

test/WireMock.Net.Tests/Matchers/JsonPartialMatcherTests.cs

@@ -293,6 +293,23 @@ public void JsonPartialMatcher_IsMatch_JObjectAsString()
         Assert.Equal(1.0, match);
     }
 
+    [Fact]
+    public void JsonPartialMatcher_IsMatch_JObjectAsStringWithDottedPropertyName()
+    {
+        // Assign 
+        var matcher = new JsonPartialMatcher("{ \"urn:ietf:params:scim:schemas:extension:enterprise:2.0:User\" : \"Test\" }");
+
+        // Act 
+        var jObject = new JObject
+        {
+            { "urn:ietf:params:scim:schemas:extension:enterprise:2.0:User", new JValue("Test") }
+        };
+        var match = matcher.IsMatch(jObject).Score;
+
+        // Assert 
+        Assert.Equal(1.0, match);
+    }
+
     [Fact]
     public void JsonPartialMatcher_IsMatch_GuidAsString()
     {