[apollo-server-testing] add complete typing for ...rest args

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### vNEXT
 
 - Allow `GraphQLRequestListener` callbacks in plugins to depend on `this`. [PR #2470](https://github.com/apollographql/apollo-server/pull/2470)
+- `apollo-server-testing`: Add `variables` and `operationName` to `Query` and `Mutation` types. [PR #2307](https://github.com/apollographql/apollo-server/pull/2307) [Issue #2172](https://github.com/apollographql/apollo-server/issue/2172)
 - `apollo-datasource-rest`: Correctly allow a TTL value of `0` to represent "not-cacheable". [PR #2588](https://github.com/apollographql/apollo-server/pull/2588)
 - `apollo-datasource-rest`: Fix `Invalid argument` in IE11, when `this.headers` is `undefined`. [PR #2607](https://github.com/apollographql/apollo-server/pull/2607)
 

packages/apollo-server-testing/CHANGELOG.md

@@ -2,4 +2,5 @@
 
 ### vNEXT
 
-* `apollo-server-testing`: Added createTestClient function
+* `apollo-server-testing`: Add `variables` and `operationName` prop to `Query` and `Mutation` types. [PR #2307](https://github.com/apollographql/apollo-server/pull/2307) [Issue #2172](https://github.com/apollographql/apollo-server/issue/2172)
+* `apollo-server-testing`: Added `createTestClient` function.

packages/apollo-server-testing/src/createTestClient.ts

@@ -4,8 +4,22 @@ import { print, DocumentNode } from 'graphql';
 type StringOrAst = string | DocumentNode;
 
 // A query must not come with a mutation (and vice versa).
-type Query = { query: StringOrAst; mutation?: undefined };
-type Mutation = { mutation: StringOrAst; query?: undefined };
+type Query = {
+  query: StringOrAst;
+  mutation?: undefined;
+  variables?: {
+    [name: string]: any;
+  };
+  operationName?: string;
+};
+type Mutation = {
+  mutation: StringOrAst;
+  query?: undefined;
+  variables?: {
+    [name: string]: any;
+  };
+  operationName?: string;
+};
 
 export default (server: ApolloServerBase) => {
   const executeOperation = server.executeOperation.bind(server);