RulesEngine/test/RulesEngine.UnitTest/RuleExpressionParserTests/RuleExpressionParserTests.cs

70 lines
2.0 KiB
C#

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using Newtonsoft.Json.Linq;
using RulesEngine.ExpressionBuilders;
using System.Diagnostics.CodeAnalysis;
using Xunit;
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);
}
[Theory]
[InlineData(false)]
public void TestExpressionWithDifferentCompilerSettings(bool fastExpressionEnabled){
var ruleParser = new RuleExpressionParser(new Models.ReSettings() { UseFastExpressionCompiler = fastExpressionEnabled });
decimal? d1 = null;
var result = ruleParser.Evaluate<bool>("d1 < 20", new[] { Models.RuleParameter.Create("d1", d1) });
Assert.False(result);
}
}
}