NullRef using JsonPath.SelectToken #40
Description
Describe the bug
When using the JsonPath.SelectToken feature in the handlebar transformer, I get a null ref exception. The exception occurs in HandlebarsDotNet.Helpers.JsonPathHelpers.SelectToken(object, string). Decompiling shows that the value of the string parameter is "name\" including the backslash. If I remove the backslash then everything works but the backslash is just the escape character for the double-quote. if this is the good old ID10T or pebcak issue, then please close. My guess is it's an off-by-one in some string parsing.
Expected behavior:
Handlebar transformation should function as described in example at https://github.com/WireMock-Net/WireMock.Net/wiki/Response-Templating#jsonpath.
Test to reproduce
- 1 Run the code below
- 2 Get the Null Ref exception
- Add watch statements
ParseAsJToken(value, "SelectToken").SelectToken("name")- evaluates correctlyParseAsJToken(value, "SelectToken").SelectToken("name\")- evaluates to null
Other related info
Unit Test Class
using System.IO;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using RestSharp;
using WireMock.Server;
using WireMock.RequestBuilders;
using WireMock.ResponseBuilders;
namespace Sample
{
[TestClass]
public class JsonPath
{
[TestMethod]
public void SelectToken()
{
var server = WireMockServer.Start();
server.Given(Request.Create()
.WithPath("/JsonPathSelectToken/")
.UsingPost())
.RespondWith(Response.Create()
.WithStatusCode(System.Net.HttpStatusCode.OK)
.WithHeader("Content-Type", "application/json")
.WithBody(File.ReadAllText("response.json"))
.WithTransformer());
var client = new RestClient($"{server.Urls[0]}/JsonPathSelectToken/");
var request = new RestRequest(Method.POST);
request.AddJsonBody(new { name = "findme" });
var response = client.Execute(request);
server.Stop();
}
}
}response.json
{
"name": "{{JsonPath.SelectToken request.bodyAsJson \"name\"}}"
}Metadata
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