Fixed bug with default responses - only allow for top-level operations

Dockerfile

@@ -1,6 +1,6 @@
 FROM bbyars/mountebank:2.4.0
 
-ENV MB_GRAPHQL_VERSION=0.1.4
+ENV MB_GRAPHQL_VERSION=0.1.5
 RUN npm install -g mb-graphql@${MB_GRAPHQL_VERSION} --production
 
 RUN mkdir /mb-graphql

README.md

@@ -127,7 +127,7 @@ the [mountbank mental model](https://www.mbtest.org/docs/mentalModel).
 | `schemaEndpoint`        | URL of a GraphQL schema file or the endpoint of an existing GraphQL API which exposes the GraphQL introspection query.   | No, if `schema` is set         | N/A                                                                                          |  
 | `schemaEndpointHeaders` | An object representing headers to passed to the schema endpoint defined in `schemaEndpoint` e.g. `Authorization` header. | No                             | An empty object.                                                                             |
 | `stubs`                 | The list of stubs responsible for matching a GraphQL request and returning a response. See further details below.        | No                             | An empty array.                                                                              |
-| `defaultResponse`       | The default response which will be used when no stub predicates match the query/mutation.                                | No                             | Default behaviour for the imposter is to return random data according to the defined schema. |
+| `defaultResponse`       | The default response for any top-level query/mutation performed against the schema.                                      | No                             | Default behaviour for the imposter is to return random data according to the defined schema. |
 
 ## GraphQL Requests
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mb-graphql",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "mountebank test doubles for GraphQL",
   "author": "bashj79",
   "license": "MIT",

src/handle-operation/mountebankHandler.js

@@ -12,6 +12,7 @@ export default async (resolve, root, args, context, info) => {
     pathKey,
   } = getOperationTypeAndPathKey(info.path);
 
+  const topLevelOperation = !info.path.prev;
   const {
     response,
     proxy,
@@ -20,6 +21,7 @@ export default async (resolve, root, args, context, info) => {
     pathKey,
     args,
     headers: context.headers,
+    topLevelOperation,
   });
   if (proxy) {
     const { to } = proxy;

src/mountebank-adapter/getMountebankStubResponse.js

@@ -7,6 +7,7 @@ export default async ({
   pathKey,
   args,
   headers,
+  topLevelOperation,
 }) => {
   const stubResponse = await invokeMountebankCallback({
     operationType,
@@ -18,7 +19,7 @@ export default async ({
     response,
     proxy,
   } = stubResponse || {};
-  if (isEmptyObject(response) && !proxy) {
+  if (topLevelOperation && isEmptyObject(response) && !proxy) {
     return getDefaultResponse();
   }
   return {