fix: use correct object when calling json (#185)

* fix: use correct object when calling `json` * add test
fastify · Mar 24, 2022 · fb3cf9a · fb3cf9a
1 parent d121de2
commit fb3cf9a
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/lib/response.js b/lib/response.js
@@ -144,7 +144,7 @@ function generatePayload (response) {
     if (res.headers['content-type'].indexOf('application/json') < 0) {
       throw new Error('The content-type of the response is not application/json')
     }
-    return JSON.parse(this.payload)
+    return JSON.parse(res.payload)
   }
 
   return res

diff --git a/test/test.js b/test/test.js
@@ -1312,19 +1312,20 @@ test('chainable api: string url', (t) => {
 test('Response.json() should parse the JSON payload', (t) => {
   t.plan(2)
 
-  const json = {
+  const jsonData = {
     a: 1,
     b: '2'
   }
 
   const dispatch = function (req, res) {
     res.writeHead(200, { 'Content-Type': 'application/json' })
-    res.end(JSON.stringify(json))
+    res.end(JSON.stringify(jsonData))
   }
 
   inject(dispatch, { method: 'GET', path: 'http://example.com:8080/hello' }, (err, res) => {
     t.error(err)
-    t.same(res.json(), json)
+    const { json } = res
+    t.same(json(), jsonData)
   })
 })