resolved review comments

Author: Jayaramv99

value/arguments/api.graphql

@@ -26,4 +26,18 @@ type Query {
     )
     # To pass a constant value directly in a query and return the result
     pi:Float! @value(const:3.14159)
+
+  # To sum a and b using the @value directive within src in jsonata,
+  sum(a: Int!, b: Int!): Int! @value(script: {src: "a+b", language: JSONATA})
+
+    # To concatenate strings using @value in jsonata
+  concat(a: String, b: String): String
+    @value(
+      script: {
+        src: """
+        $join([a,b], "-")
+        """
+        language: JSONATA
+      }
+    )
 }

value/arguments/tests/Test.js

@@ -24,6 +24,14 @@ const {
         query: '{pi}',
         expected: {pi:3.14159},
       },
+      { label: "return sum of two input using @value with script-json",
+        query: '{sum(a: 10, b: 10)}',
+        expected: {sum: 20},
+      },
+      { label: "concat string",
+        query: '{concat(a: "Steve",b:"Jobs" )}',
+        expected: {concat: 'Steve-Jobs'},
+      },
     ]
     return deployAndRun(__dirname, tests, stepzen.admin);
   });