Mustache template unable to access body.<field>

[juber-nunes]

Describe the issue
Mustache template unable to access body.

What you are trying to do
Description of what you are trying to do so we can understand the context of the problem

MockServer version
5.15.0

To Reproduce
Steps to reproduce the issue:

1. How you are running MockServer (i.e maven plugin, docker, etc)
2. Code you used to create expectations

mockServerClient("localhost", 1081)
.mockAnyResponse({
"httpRequest": {
"method": "POST",
"path": "/mock-endpoint",
"headers": {
"Content-Type": ["application/json"]
},
"body": {
"type": "JSON",
}

  },
  "httpResponseTemplate": {
    "template": JSON.stringify({
        "statusCode": 200,
        "headers": {
            "Content-Type": ["application/json"]
        },
        "body": {
            "id": "{{ uuid }}",  
            "time": "{{ now_iso_8601 }}",   
            'message': "{{{jsonPath request.body '$.message'}}}",
            'to': '{{{ request.body.to }}}',
            'from': '1111111111111'
        },
        'delay': {
            'timeUnit': 'MILLISECONDS',
        }
  }),
    "templateType": "MUSTACHE",
    
  },

4. What error you saw

Expected behaviour
To return field

MockServer Log
2024-10-02 17:03:32 5.15.0 INFO 1081 request:

{
"method" : "POST",
"path" : "/mock-endpoint",
"headers" : {
"user-agent" : [ "PostmanRuntime/7.42.0" ],
"postman-token" : [ "d858c7d9-d7b9-4ff0-bea9-255399791bcf" ],
"host" : [ "172.22.118.120:1081" ],
"content-type" : [ "application/json" ],
"content-length" : [ "152" ],
"connection" : [ "keep-alive" ],
"accept-encoding" : [ "gzip, deflate, br" ],
"accept" : [ "/" ]
},
"keepAlive" : true,
"secure" : false,
"protocol" : "HTTP_1_1",
"localAddress" : "127.0.0.1:1081",
"remoteAddress" : "127.0.0.1:37752",
"body" : {
"message" : "Your message content",
"to" : [ "+1234567890" ],
"from" : "+13473450776",
"media" : [ ],
"priority" : "default",
"tags" : { }
}
}

matched expectation:

{
"httpRequest" : {
"method" : "POST",
"path" : "/mock-endpoint",
"headers" : {
"Content-Type" : [ "application/json" ]
}
},
"httpResponseTemplate" : {
"template" : "{"statusCode":200,"headers":{"Content-Type":["application/json"]},"body":{"id":"{{ uuid }}","time":"{{ now_iso_8601 }}","message":"{{{jsonPath request.body '$.message'}}}","to":"{{{ request.body.to }}}","from":"1111111111111"},"delay":{"timeUnit":"MILLISECONDS"}}",
"templateType" : "MUSTACHE"
},
"id" : "788c5024-0027-426a-a36e-859a4691f073",
"priority" : 0,
"timeToLive" : {
"unlimited" : true
},
"times" : {
"unlimited" : true
}
}

2024-10-02 17:03:32 5.15.0 INFO 1081 generated output:

{"statusCode":200,"headers":{"Content-Type":["application/json"]},"body":{"id":"07348bcf-c348-4e22-adb2-f138cc348257","time":"2024-10-02T16:03:32.868205485Z","message":"","to":"","from":"1111111111111"},"delay":{"timeUnit":"MILLISECONDS"}}

from template:

{"statusCode":200,"headers":{"Content-Type":["application/json"]},"body":{"id":"{{ uuid }}","time":"{{ now_iso_8601 }}","message":"{{{jsonPath request.body '$.message'}}}","to":"{{{ request.body.to }}}","from":"1111111111111"},"delay":{"timeUnit":"MILLISECONDS"}}

for request:

{
"method" : "POST",
"path" : "/mock-endpoint",
"headers" : {
"user-agent" : [ "PostmanRuntime/7.42.0" ],
"postman-token" : [ "d858c7d9-d7b9-4ff0-bea9-255399791bcf" ],
"host" : [ "172.22.118.120:1081" ],
"content-type" : [ "application/json" ],
"content-length" : [ "152" ],
"connection" : [ "keep-alive" ],
"accept-encoding" : [ "gzip, deflate, br" ],
"accept" : [ "/" ]
},
"keepAlive" : true,
"secure" : false,
"protocol" : "HTTP_1_1",
"localAddress" : "127.0.0.1:1081",
"remoteAddress" : "127.0.0.1:37752",
"body" : {
"message" : "Your message content",
"to" : [ "+1234567890" ],
"from" : "+13473450776",
"media" : [ ],
"priority" : "default",
"tags" : { }
}
}

2024-10-02 17:03:32 5.15.0 INFO 1081 returning response:

{
"statusCode" : 200,
"headers" : {
"Content-Type" : [ "application/json" ]
},
"body" : {
"id" : "07348bcf-c348-4e22-adb2-f138cc348257",
"time" : "2024-10-02T16:03:32.868205485Z",
"message" : "",
"to" : "",
"from" : "1111111111111"
},
"delay" : {
"timeUnit" : "MILLISECONDS",
"value" : 0
}
}

for request:

{
"method" : "POST",
"path" : "/mock-endpoint",
"headers" : {
"user-agent" : [ "PostmanRuntime/7.42.0" ],
"postman-token" : [ "d858c7d9-d7b9-4ff0-bea9-255399791bcf" ],
"host" : [ "172.22.118.120:1081" ],
"content-type" : [ "application/json" ],
"content-length" : [ "152" ],
"connection" : [ "keep-alive" ],
"accept-encoding" : [ "gzip, deflate, br" ],
"accept" : [ "/" ]
},
"keepAlive" : true,
"secure" : false,
"protocol" : "HTTP_1_1",
"localAddress" : "127.0.0.1:1081",
"remoteAddress" : "127.0.0.1:37752",
"body" : {
"message" : "Your message content",
"to" : [ "+1234567890" ],
"from" : "+13473450776",
"media" : [ ],
"priority" : "default",
"tags" : { }
}
}

for action:

{
"template" : "{"statusCode":200,"headers":{"Content-Type":["application/json"]},"body":{"id":"{{ uuid }}","time":"{{ now_iso_8601 }}","message":"{{{jsonPath request.body '$.message'}}}","to":"{{{ request.body.to }}}","from":"1111111111111"},"delay":{"timeUnit":"MILLISECONDS"}}",
"templateType" : "MUSTACHE"
}

from expectation:

788c5024-0027-426a-a36e-859a4691f073