fix root mocks (#6)

Author: jneurock

addon/mock/create.js

@@ -1,18 +1,20 @@
 import mockMutationFn from './mutation';
 import mockQueryFn from './query';
-import { contextSet } from '../utils';
+import { contextSet, reduceKeys } from '../utils';
+
+const addRootMock = (mocks, rootType, mockFn, db, options) =>
+  contextSet(mocks, rootType.name, () =>
+    mockRootType(rootType._fields, mockFn, db, options));
+
+const mockRootType = (fields = {}, mockFn, db, options) =>
+  reduceKeys(fields, (mocks, field) =>
+    contextSet(mocks, field, mockFn(db, options)), {});
 
 export function createMocksForSchema(schema, db, options) {
-  let { _mutationType, _queryType } = schema;
+  let mocks = {};
 
-  return {
-    RootMutationType: () =>
-      mockRootType(_mutationType._fields, mockMutationFn, db, options),
-    RootQueryType: () =>
-      mockRootType(_queryType._fields, mockQueryFn, db, options)
-  };
-}
+  addRootMock(mocks, schema._queryType, mockQueryFn, db, options);
+  addRootMock(mocks, schema._mutationType, mockMutationFn, db, options);
 
-const mockRootType = (rootTypes = {}, mockFn, db, options) =>
-  Object.keys(rootTypes).reduce((mocks, rootType) =>
-    contextSet(mocks, rootType, mockFn(db, options)), {});
+  return mocks;
+}

addon/utils.js

@@ -23,3 +23,6 @@ export const getTypeFromMeta = (meta, isList) =>
   get(meta, isList ? PROP_FOR_LIST_TYPE : PROP_FOR_TYPE);
 
 export const isFunction = (obj) => obj != null && typeof obj === 'function';
+
+export const reduceKeys = (obj, reducerFn, defaultValue) =>
+  Object.keys(obj).reduce(reducerFn, defaultValue);

tests/dummy/app/gql/schema.js

@@ -1,9 +1,4 @@
 export default `
-schema {
-  mutation: RootMutationType
-  query: RootQueryType
-}
-
 type Address {
   id: String!
   line1: String!
@@ -13,6 +8,10 @@ type Address {
   zip: String!
 }
 
+type Mutation {
+  updatePerson(id: ID!, personAttributes: PersonAttributes!): Person
+}
+
 type Pet {
   id: String!
   age: Int!
@@ -36,11 +35,7 @@ input PersonAttributes {
   age: Int
 }
 
-type RootMutationType {
-  updatePerson(id: ID!, personAttributes: PersonAttributes!): Person
-}
-
-type RootQueryType {
+type Query {
   person(id: ID!): Person
 
   people(lastName: String, pageSize: Int): [Person]

tests/unit/utils-test.js

@@ -0,0 +1,13 @@
+import { module, test } from 'qunit';
+import { reduceKeys } from 'ember-cli-mirage-graphql/utils';
+
+module('Unit | utils', function() {
+  test('it can reduce object keys by a function', function(assert) {
+    let obj = { bar: true, baz: true };
+    let result1 = reduceKeys(obj, (a, b) => `${a}.${b}`, 'foo');
+    let result2 = reduceKeys(obj, (a, b) => a ? `${a}.${b}` : b);
+
+    assert.equal(result1, 'foo.bar.baz', 'It works with default value');
+    assert.equal(result2, 'bar.baz', 'It works without default value');
+  });
+});