Request Body examples should respect media-type (#6739)

* fix: request body.jsx should rely on the getSampleSchema utility

* test: add test to ensure xml request body

src/core/plugins/oas3/components/request-body.jsx

@@ -5,31 +5,28 @@ import { Map, OrderedMap, List } from "immutable"
 import { getCommonExtensions, getSampleSchema, stringify, isEmptyValue } from "core/utils"
 
 function getDefaultRequestBodyValue(requestBody, mediaType, activeExamplesKey) {
-  let mediaTypeValue = requestBody.getIn(["content", mediaType])
-  let schema = mediaTypeValue.get("schema").toJS()
-  let example =
-    mediaTypeValue.get("example") !== undefined
-      ? stringify(mediaTypeValue.get("example"))
-      : null
-  let currentExamplesValue = mediaTypeValue.getIn([
+  const mediaTypeValue = requestBody.getIn(["content", mediaType])
+  const schema = mediaTypeValue.get("schema").toJS()
+
+  const hasExamplesKey = mediaTypeValue.get("examples") !== undefined
+  const exampleSchema = mediaTypeValue.get("example")
+  const mediaTypeExample = hasExamplesKey
+    ? mediaTypeValue.getIn([
       "examples",
       activeExamplesKey,
       "value"
     ])
+    : exampleSchema
 
-  if (mediaTypeValue.get("examples")) {
-    // the media type DOES have examples
-    return stringify(currentExamplesValue) || ""
-  } else {
-    // the media type DOES NOT have examples
-    return stringify(
-      example ||
-        getSampleSchema(schema, mediaType, {
+  const exampleValue = getSampleSchema(
+    schema,
+    mediaType,
+    {
       includeWriteOnly: true
-        }) ||
-        ""
+    },
+    mediaTypeExample
   )
-  }
+  return stringify(exampleValue)
 }
 
 
@@ -212,6 +209,12 @@ const RequestBody = ({
     </div>
   }
 
+  const sampleRequestBody = getDefaultRequestBodyValue(
+    requestBody,
+    contentType,
+    activeExamplesKey,
+  )
+
   return <div>
     { requestBodyDescription &&
       <Markdown source={requestBodyDescription} />
@@ -235,11 +238,7 @@ const RequestBody = ({
           <RequestBodyEditor
             value={requestBodyValue}
             errors={requestBodyErrors}
-            defaultValue={getDefaultRequestBodyValue(
-              requestBody,
-              contentType,
-              activeExamplesKey,
-            )}
+            defaultValue={sampleRequestBody}
             onChange={onChange}
             getComponent={getComponent}
           />
@@ -257,11 +256,7 @@ const RequestBody = ({
             <HighlightCode
               className="body-param__example"
               getConfigs={getConfigs}
-              value={stringify(requestBodyValue) || getDefaultRequestBodyValue(
-                requestBody,
-                contentType,
-                activeExamplesKey,
-              )}
+              value={stringify(requestBodyValue) || sampleRequestBody}
             />
           }
           includeWriteOnly={true}

test/e2e-cypress/static/documents/bugs/6475.yaml

@@ -0,0 +1,57 @@
+openapi: 3.0.1
+info:
+ title: Example Swagger
+ version: '1.0'
+servers:
+ - url: /api/v1
+paths:
+ /xmlTest/examples:
+   post:
+     summary: sample issues
+     operationId: xmlTest_examples
+     parameters: []
+     requestBody:
+       description: Simple Test xml examples
+       content:
+           application/xml:
+              schema:
+               $ref: "#/components/schemas/Test"
+              examples:
+                test:
+                  value:
+                    x: should be xml
+     responses:
+       '200':
+         description:  Simple Test xml examples
+         content: {}
+ /xmlTest/example:
+   post:
+     summary: sample issues
+     operationId: xmlTest_example
+     parameters: []
+     requestBody:
+       description: Simple Test xml example
+       content:
+           application/xml:
+              schema:
+               $ref: "#/components/schemas/Test"
+              example:
+                x: should be xml
+     responses:
+       '200':
+         description: Simple Test xml example
+         content: {}
+components:
+  schemas:
+    Test:
+      type: object
+      xml:
+        name: root
+      properties:
+        x:
+          type: string
+        other:
+          type: string
+          format: email
+      example:
+        x: what the f

test/e2e-cypress/tests/bugs/6475.js

@@ -0,0 +1,65 @@
+describe("#6475: 'Examples' keyword definitions can not be rendered as xml", () => {
+  it("should render requestBody examples preview accourdingly to content-type xml", () => {
+    const xmlIndicator = "<x>should be xml</x>"
+
+    cy
+      .visit("?url=/documents/bugs/6475.yaml")
+      .get("#operations-default-xmlTest_examples")
+      .click()
+      .get(".opblock-section-request-body")
+      .within(() => {
+        cy
+          .get(".microlight")
+          .should("include.text", xmlIndicator)
+      })
+  })
+  it("should requestBody examples input accourdingly to content-type xml", () => {
+    const xmlIndicator = "<x>should be xml</x>"
+
+    cy
+      .visit("?url=/documents/bugs/6475.yaml")
+      .get("#operations-default-xmlTest_examples")
+      .click()
+      .get(".btn.try-out__btn")
+      .click()
+      .get(".opblock-section-request-body")
+      .within(() => {
+        cy
+          .get("textarea")
+          .contains(xmlIndicator)
+      })
+  })
+})
+
+describe("#6475: 'Example' keyword definitions can not be rendered as xml", () => {
+  it("should render requestBody examples preview accourdingly to content-type xml", () => {
+    const xmlIndicator = "<x>should be xml</x>"
+
+    cy
+      .visit("?url=/documents/bugs/6475.yaml")
+      .get("#operations-default-xmlTest_example")
+      .click()
+      .get(".opblock-section-request-body")
+      .within(() => {
+        cy
+          .get(".microlight")
+          .should("include.text", xmlIndicator)
+      })
+  })
+  it("should requestBody examples input accourdingly to content-type xml", () => {
+    const xmlIndicator = "<x>should be xml</x>"
+
+    cy
+      .visit("?url=/documents/bugs/6475.yaml")
+      .get("#operations-default-xmlTest_example")
+      .click()
+      .get(".btn.try-out__btn")
+      .click()
+      .get(".opblock-section-request-body")
+      .within(() => {
+        cy
+          .get("textarea")
+          .contains(xmlIndicator)
+      })
+  })
+})