Increase code coverage (#107)

src/WireMock.Net/Serialization/MatcherMapper.cs

@@ -0,0 +1,34 @@
+using System.Collections.Generic;
+using System.Linq;
+using JetBrains.Annotations;
+using WireMock.Admin.Mappings;
+using WireMock.Matchers;
+
+namespace WireMock.Serialization
+{
+    internal static class MatcherMapper
+    {
+        public static MatcherModel[] Map([CanBeNull] IEnumerable<IMatcher> matchers)
+        {
+            return matchers?.Select(Map).Where(x => x != null).ToArray();
+        }
+
+        public static MatcherModel Map([CanBeNull] IMatcher matcher)
+        {
+            if (matcher == null)
+            {
+                return null;
+            }
+
+            IStringMatcher stringMatcher = matcher as IStringMatcher;
+            string[] patterns = stringMatcher != null ? stringMatcher.GetPatterns() : new string[0];
+
+            return new MatcherModel
+            {
+                Name = matcher.GetName(),
+                Pattern = patterns.Length == 1 ? patterns.First() : null,
+                Patterns = patterns.Length > 1 ? patterns : null
+            };
+        }
+    }
+}