Update variables hash while iterating and evaluating the capture sect…

…ion (instead of updating it once with all the variables).

packages/hurl/src/runner/entry.rs

@@ -161,10 +161,6 @@ pub fn run(
         },
     };
 
-    // Update variables now!
-    for c in captures.iter() {
-        variables.insert(c.name.clone(), c.value.clone());
-    }
     if !captures.is_empty() {
         logger.debug_important("Captures:");
         for c in captures.iter() {

packages/hurl/src/runner/response.rs

@@ -281,14 +281,18 @@ fn eval_implicit_body_asserts(
     }
 }
 
+/// Evaluates captures from this HTTP `http_response`, given a set of `variables`.
 pub fn eval_captures(
     response: &Response,
     http_response: &http::Response,
-    variables: &HashMap<String, Value>,
+    variables: &mut HashMap<String, Value>,
 ) -> Result<Vec<CaptureResult>, Error> {
     let mut captures = vec![];
     for capture in response.captures().iter() {
         let capture_result = eval_capture(capture, variables, http_response)?;
+        // Update variables now so the captures set is ready in case
+        // the next captures reference this new variable.
+        variables.insert(capture_result.name.clone(), capture_result.value.clone());
         captures.push(capture_result);
     }
     Ok(captures)
@@ -388,12 +392,12 @@ mod tests {
 
     #[test]
     pub fn test_eval_captures() {
-        let variables = HashMap::new();
+        let mut variables = HashMap::new();
         assert_eq!(
             eval_captures(
                 &user_response(),
                 &http::xml_two_users_http_response(),
-                &variables,
+                &mut variables,
             )
             .unwrap(),
             vec![CaptureResult {