added basic tests for jobject based inputs (#454)

* added basic tests for jobject based inputs

* fixed test case

test/RulesEngine.UnitTest/RuleExpressionParserTests/RuleExpressionParserTests.cs

@@ -0,0 +1,63 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using Newtonsoft.Json.Linq;
+using RulesEngine.ExpressionBuilders;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+using System.Text.Json;
+
+namespace RulesEngine.UnitTest.RuleExpressionParserTests
+{
+    [ExcludeFromCodeCoverage]
+    public class RuleExpressionParserTests
+    {
+        public RuleExpressionParserTests() { 
+           
+        
+        }
+
+
+        [Fact]
+        public void TestExpressionWithJObject()
+        {
+            var ruleParser = new RuleExpressionParser(new Models.ReSettings());
+
+            var inputStr = @"{
+               ""list"": [
+                    { ""item1"": ""hello"",
+                        ""item3"": 1
+                        },
+                    {
+                        ""item2"": ""world""
+                        }
+                ]
+            }";
+
+
+            var input = JObject.Parse(inputStr);
+
+
+            var value = ruleParser.Evaluate<object>("input.list[0].item3 == 1", new[] { new Models.RuleParameter("input", input) });
+
+            Assert.Equal(true,
+                         value);
+
+
+            var value2 = ruleParser.Evaluate<object>("input.list[1].item2 == \"world\"", new[] { new Models.RuleParameter("input", input) });
+
+            Assert.Equal(true,
+                         value2);
+
+
+            var value3= ruleParser.Evaluate<object>("string.Concat(input.list[0].item1,input.list[1].item2)", new[] { new Models.RuleParameter("input", input) });
+
+            Assert.Equal("helloworld", value3);
+        }
+    }
+}

test/RulesEngine.UnitTest/UtilsTests.cs

@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
+using Newtonsoft.Json.Linq;
 using RulesEngine.HelperFunctions;
 using System;
 using System.Collections.Generic;
@@ -61,6 +62,20 @@ namespace RulesEngine.UnitTest
             Assert.NotNull(typedobj.GetType().GetProperty("Test"));
         }
 
+
+        [Fact]
+        public void GetJObject_nonDynamicObject()
+        {
+            dynamic obj = JObject.FromObject(new {
+                Test = "hello"
+            });
+            dynamic typedobj = Utils.GetTypedObject(obj);
+            Assert.IsNotType<ExpandoObject>(typedobj);
+            Assert.IsType<JObject>(typedobj);
+            Assert.NotNull(typedobj.Test);
+        }
+
+
         [Fact]
         public void CreateObject_dynamicObject()
         {