Eval template in JSON object key

integration/hurl/tests_ok/post_json.curl

@@ -1,4 +1,4 @@
-curl --header 'Content-Type: application/json' --data $'{\n    "name": "Bob",\n    "password": "&secret\\\\\'<>",\n    "age": 30,\n    "strict": true,\n    "spacing": "\\n",\n    "g_clef": "\\uD834\\uDD1E",\n    "items": [true, "true", 1],\n    "variable": "\\\\",\n    "": "empty"\n}' 'http://localhost:8000/post-json'
+curl --header 'Content-Type: application/json' --data $'{\n    "name": "Bob",\n    "password": "&secret\\\\\'<>",\n    "age": 30,\n    "strict": true,\n    "spacing": "\\n",\n    "g_clef": "\\uD834\\uDD1E",\n    "items": [true, "true", 1],\n    "variable": "\\\\",\n    "": "empty",\n    "dynamic_key": "dynamic_key"\n}' 'http://localhost:8000/post-json'
 curl --header 'Content-Type: application/json' --data '[1,2,3]' 'http://localhost:8000/post-json-array'
 curl --header 'Content-Type: application/json' --data '[]' 'http://localhost:8000/post-json-array-empty'
 curl --header 'Content-Type: application/json' --data '"Hello"' 'http://localhost:8000/post-json-string'

integration/hurl/tests_ok/post_json.hurl

@@ -8,7 +8,8 @@ POST http://localhost:8000/post-json
     "g_clef": "\uD834\uDD1E",
     "items": [true, "true", 1],
     "variable": "{{string_variable}}",
-    "": "empty"
+    "": "empty",
+    "{{key}}": "dynamic_key"
 }
 HTTP 200
 

integration/hurl/tests_ok/post_json.ps1

@@ -1,3 +1,3 @@
 Set-StrictMode -Version latest
 $ErrorActionPreference = 'Stop'
-hurl --variable age=30 --variable strict=true --variable string_variable=`\ tests_ok/post_json.hurl
+hurl --variable age=30 --variable strict=true --variable string_variable=`\ --variable key=dynamic_key tests_ok/post_json.hurl

integration/hurl/tests_ok/post_json.py

@@ -17,7 +17,8 @@ def post_json():
     "g_clef": "\\uD834\\uDD1E",
     "items": [true, \"true\", 1],
     "variable": "\\\\",
-    "": "empty"
+    "": "empty",
+    "dynamic_key": "dynamic_key"
 }"""
     )
     return ""

integration/hurl/tests_ok/post_json.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 set -Eeuo pipefail
-hurl --variable age=30 --variable strict=true --variable string_variable=\\ tests_ok/post_json.hurl
+hurl --variable age=30 --variable strict=true --variable string_variable=\\ --variable key=dynamic_key tests_ok/post_json.hurl

packages/hurl/src/runner/json.rs

@@ -24,6 +24,8 @@ use hurl_core::reader::Reader;
 use crate::runner::error::{RunnerError, RunnerErrorKind};
 use crate::runner::{expr, VariableSet};
 
+use super::template::eval_template;
+
 /// Evaluates a JSON value to a string given a set of `variables`.
 /// If `keep_whitespace` is true, whitespace is preserved from the JSonValue, otherwise
 /// it is trimmed.
@@ -112,11 +114,12 @@ fn eval_json_object_element(
     variables: &VariableSet,
     keep_whitespace: bool,
 ) -> Result<String, RunnerError> {
+    let name = eval_template(&element.name, variables)?;
     let value = eval_json_value(&element.value, variables, keep_whitespace)?;
     if keep_whitespace {
         Ok(format!(
             "{}\"{}\"{}:{}{}{}",
-            element.space0, element.name, element.space1, element.space2, value, element.space3
+            element.space0, name, element.space1, element.space2, value, element.space3
         ))
     } else {
         Ok(format!("\"{}\":{}", element.name, value))