fix: extract data using jmespath

Change-Id: Icea3b8fa7e71dd610c19c91e21a259104ab2fe30

examples/demo.json

@@ -119,9 +119,13 @@
                 },
                 "body": {
                     "foo1": "$varFoo1",
-                    "foo2": "${max($a, $b)}"
+                    "foo2": "${max($a, $b)}",
+                    "time": "${get_timestamp()}"
                 }
             },
+            "extract": {
+                "varTime": "body.form.time"
+            },
             "validate": [
                 {
                     "check": "status_code",
@@ -142,6 +146,24 @@
                     "msg": "check args foo2"
                 }
             ]
+        },
+        {
+            "name": "final check",
+            "request": {
+                "method": "GET",
+                "url": "/get",
+                "params": {
+                    "time": "$varTime"
+                }
+            },
+            "validate": [
+                {
+                    "check": "body.args.time",
+                    "assert": "length_equals",
+                    "expect": 13,
+                    "msg": "check extracted var timestamp"
+                }
+            ]
         }
     ]
 }

examples/demo.yaml

@@ -80,6 +80,9 @@ teststeps:
         body:
             foo1: $varFoo1
             foo2: ${max($a, $b)}
+            time: ${get_timestamp()}
+      extract:
+        varTime: body.form.time
       validate:
         - check: status_code
           assert: equals
@@ -93,3 +96,14 @@ teststeps:
           assert: equals
           expect: "12.3"
           msg: check args foo2
+    - name: final check
+      request:
+        method: GET
+        url: /get
+        params:
+            time: $varTime
+      validate:
+        - check: body.args.time
+          assert: length_equals
+          expect: 13
+          msg: check extracted var timestamp