fix(editor): pick correct media type on parameter parsing

packages/editor/src/editor/oas/v2/OasV2ParameterObjectsParser.ts

@@ -11,6 +11,10 @@ export class OasV2ParameterObjectsParser extends BaseOasParameterObjectsParser<
   OpenAPIV2.Document,
   OpenAPIV2.ReferenceObject | OpenAPIV2.Parameter
 > {
+  private readonly DEFAULT_CONSUME_MEDIA_TYPE: OpenAPIV2.MimeTypes = [
+    'application/json'
+  ];
+
   constructor(doc: OpenAPIV2.Document, dereferencedDoc: OpenAPIV2.Document) {
     super(doc, dereferencedDoc);
   }
@@ -73,14 +77,38 @@ export class OasV2ParameterObjectsParser extends BaseOasParameterObjectsParser<
       this.dereferencedDoc,
       jsonPointer.compile(jsonPointer.parse(pointer).slice(0, -2))
     );
-    const mimeTypes = operationObject.consumes || ['application/json'];
+
+    if ('$ref' in parameter.schema) {
+      parameter = jsonPointer.get(this.dereferencedDoc, pointer);
+    }
+
     const value = parameter.schema?.default;
 
-    return mimeTypes.map((mimeType) => ({
-      paramType: 'requestBody',
-      bodyType: mimeType,
-      ...(value != null ? { value } : {}),
-      valueJsonPointer: this.getValueJsonPointer(`${pointer}/schema`)
-    }));
+    return this.resolveOperationConsumeMediaTypes(operationObject).map(
+      (mediaType) => ({
+        paramType: 'requestBody',
+        bodyType: mediaType,
+        ...(value != null ? { value } : {}),
+        valueJsonPointer: this.getValueJsonPointer(`${pointer}/schema`)
+      })
+    );
+  }
+
+  private resolveOperationConsumeMediaTypes(
+    operation: OpenAPIV2.OperationObject
+  ): OpenAPIV2.MimeTypes {
+    let mediaTypes: OpenAPIV2.MimeTypes;
+
+    if (operation.consumes?.length) {
+      mediaTypes = operation.consumes;
+    } else if (this.doc.consumes?.length) {
+      mediaTypes = this.doc.consumes;
+    }
+
+    mediaTypes = mediaTypes
+      ?.map((mediaType) => mediaType?.trim())
+      .filter(Boolean);
+
+    return mediaTypes?.length ? mediaTypes : this.DEFAULT_CONSUME_MEDIA_TYPE;
   }
 }

packages/editor/tests/fixtures/oas2-missing-consumes.result.json

@@ -0,0 +1,36 @@
+{
+  "children": [
+    {
+      "children": [
+        {
+          "jsonPointer": "/paths/~1pet/post",
+          "method": "POST",
+          "parameters": [
+            {
+              "bodyType": "application/json",
+              "paramType": "requestBody",
+              "value": {
+                "name": "Jack"
+              },
+              "valueJsonPointer": "/paths/~1pet/post/parameters/0/schema/default"
+            }
+          ],
+          "path": "/pet"
+        }
+      ],
+      "jsonPointer": "/paths/~1pet",
+      "path": "/pet"
+    }
+  ],
+  "jsonPointer": "/",
+  "name": "Swagger Petstore",
+  "parameters": [
+    {
+      "name": "host",
+      "paramType": "variable",
+      "value": "petstore.swagger.io",
+      "valueJsonPointer": "/host"
+    }
+  ],
+  "path": "/"
+}

packages/editor/tests/fixtures/oas2-missing-consumes.yaml

@@ -0,0 +1,32 @@
+swagger: '2.0'
+info:
+  title: Swagger Petstore
+  version: 1.0.0
+host: petstore.swagger.io
+basePath: /v2
+schemes:
+  - https
+paths:
+  /pet:
+    post:
+      parameters:
+        - in: body
+          name: body
+          schema:
+            $ref: '#/definitions/Pet'
+      responses:
+        200:
+          description: successful operation
+definitions:
+  Pet:
+    properties:
+      name:
+        example: doggie
+        type: string
+    required:
+      - name
+    type: object
+    xml:
+      name: Pet
+    default:
+      name: Jack

packages/editor/tests/fixtures/oas2-override-consumes.result.json

@@ -0,0 +1,59 @@
+{
+  "children": [
+    {
+      "children": [
+        {
+          "jsonPointer": "/paths/~1pet/post",
+          "method": "POST",
+          "parameters": [
+            {
+              "bodyType": "application/x-www-form-urlencoded",
+              "paramType": "requestBody",
+              "value": {
+                "name": "Jack"
+              },
+              "valueJsonPointer": "/paths/~1pet/post/parameters/0/schema/default"
+            },
+            {
+              "bodyType": "multipart/form-data",
+              "paramType": "requestBody",
+              "value": {
+                "name": "Jack"
+              },
+              "valueJsonPointer": "/paths/~1pet/post/parameters/0/schema/default"
+            }
+          ],
+          "path": "/pet"
+        },
+        {
+          "jsonPointer": "/paths/~1pet/put",
+          "method": "PUT",
+          "parameters": [
+            {
+              "bodyType": "application/json",
+              "paramType": "requestBody",
+              "value": {
+                "name": "Jack"
+              },
+              "valueJsonPointer": "/paths/~1pet/put/parameters/0/schema/default"
+            }
+          ],
+          "path": "/pet"
+        }
+      ],
+      "jsonPointer": "/paths/~1pet",
+      "path": "/pet"
+    }
+  ],
+  "jsonPointer": "/",
+  "name": "Swagger Petstore",
+  "parameters": [
+    {
+      "name": "host",
+      "paramType": "variable",
+      "value": "petstore.swagger.io",
+      "valueJsonPointer": "/host"
+    }
+  ],
+  "path": "/"
+}

packages/editor/tests/fixtures/oas2-override-consumes.yaml

@@ -0,0 +1,49 @@
+swagger: '2.0'
+info:
+  title: Swagger Petstore
+  version: 1.0.0
+host: petstore.swagger.io
+basePath: /v2
+schemes:
+  - https
+consumes:
+  - application/xml
+paths:
+  /pet:
+    post:
+      consumes:
+        - application/x-www-form-urlencoded
+        - multipart/form-data
+      parameters:
+        - in: body
+          name: body
+          schema:
+            $ref: '#/definitions/Pet'
+      responses:
+        200:
+          description: successful operation
+    put:
+      consumes:
+        -
+      parameters:
+        - in: body
+          name: body
+          schema:
+            $ref: '#/definitions/Pet'
+      responses:
+        200:
+          description: successful operation
+definitions:
+  Pet:
+    properties:
+      name:
+        example: doggie
+        type: string
+    required:
+      - name
+    type: object
+    xml:
+      name: Pet
+    default:
+      name: Jack
+

packages/editor/tests/oas2.spec.ts

@@ -92,6 +92,33 @@ describe('OasV2Editor', () => {
       expect(result).toEqual(expected);
     });
 
+    it.each([
+      {
+        testCase: 'operation and root consumes nodes are missing',
+        input: 'oas2-missing-consumes.yaml',
+        expected: 'oas2-missing-consumes.result.json'
+      },
+      {
+        testCase: 'operation consumes overrides root consumes node',
+        input: 'oas2-override-consumes.yaml',
+        expected: 'oas2-override-consumes.result.json'
+      }
+    ])('should pick media type when $testCase', async ({ input, expected }) => {
+      const sourceYaml = readFileSync(
+        resolve(__dirname, `./fixtures/${input}`),
+        'utf-8'
+      );
+      await openApiParser.setup(sourceYaml);
+
+      const expectedJson = JSON.parse(
+        readFileSync(resolve(__dirname, `./fixtures/${expected}`), 'utf-8')
+      );
+
+      const result = openApiParser.parse();
+
+      expect(result).toEqual(expectedJson);
+    });
+
     it('should be exception on call "parse" before "setup"', () =>
       expect(() => openApiParser.parse()).toThrowError(
         'You have to call "setup" to initialize the document'