Fixes consumes and produces

lib/validators/specResolver.js

@@ -9,6 +9,7 @@ var util = require('util'),
   utils = require('../util/utils'),
   Constants = require('../util/constants'),
   log = require('../util/logging'),
+  _ = require('lodash'),
   ErrorCodes = Constants.ErrorCodes;
 
 /**
@@ -522,9 +523,27 @@ class SpecResolver {
       for (let verb in pathObj) {
         let operation = pathObj[verb];
         //scan every parameter in the operation
+        let consumes = _.isUndefined(operation.consumes) ?
+          _.isUndefined(spec.consumes) ?
+            ['application/json']
+            : spec.consumes
+          : operation.consumes;
+
+        let produces = _.isUndefined(operation.produces) ?
+          _.isUndefined(spec.produces) ?
+            ['application/json']
+            : spec.produces
+          : operation.produces;
+
+        function octetStream(elements) {
+          return elements.some(e => {
+            return e.toLowerCase() === 'application/octet-stream';
+          });
+        }
+
         if (operation.parameters) {
           operation.parameters.forEach((param) => {
-            if (param.in && param.in === 'body' && param.schema) {
+            if (param.in && param.in === 'body' && param.schema && !octetStream(consumes)) {
               param.schema = utils.relaxModelLikeEntities(param.schema);
             } else {
               param = utils.relaxEntityType(param, param.required);
@@ -535,10 +554,8 @@ class SpecResolver {
         if (operation.responses) {
           for (let statusCode in operation.responses) {
             let response = operation.responses[statusCode];
-            if (response.schema) {
-              if (operation.produces != 'application/octet-stream') {
-                response.schema = utils.relaxModelLikeEntities(response.schema);
-              }
+            if (response.schema && !octetStream(produces)) {
+              response.schema = utils.relaxModelLikeEntities(response.schema);
             }
           }
         }

test/modelValidation/swaggers/specification/contenttype/datalake.json

@@ -10,10 +10,10 @@
     "https"
   ],
   "consumes": [
-    "application/json"
+    "application/octet-stream"
   ],
   "produces": [
-    "application/json"
+    "application/octet-stream"
   ],
   "paths": {
     "/open/object": {
@@ -28,6 +28,7 @@
             "$ref": "./examples/download.json"
           }
         },
+        "consumes": [],
         "produces": [
           "application/octet-stream"
         ],
@@ -53,9 +54,7 @@
             "$ref": "./examples/download.json"
           }
         },
-        "produces": [
-          "application/octet-stream"
-        ],
+        "consumes": [],
         "responses": {
           "200": {
             "description": "OK",
@@ -78,6 +77,7 @@
             "$ref": "./examples/download.json"
           }
         },
+        "consumes": [],
         "produces": [
           "application/octet-stream"
         ],
@@ -130,9 +130,6 @@
         "tags": [
           "Content"
         ],
-        "consumes": [
-          "application/octet-stream"
-        ],
         "operationId": "Content_ConsumeTypeFile",
         "description": "Operation to test consume application/octet-stream",
         "x-ms-examples": {