Mocks Plugin

A simple plugin for adding resolver mocks to a graphQL schema.
Usage
Install
yarn add @giraphql/plugin-mocks
Setup
import MocksPlugin from '@giraphql/plugin-mocks';
const builder = new SchemaBuilder({
  plugins: [MocksPlugin],
});
Adding mocks
You can mock any field by adding a mock in the options passed to builder.builSchema under mocks.{typeName}.{fieldName}.
builder.queryType({
  fields: (t) => ({
    someField: t.string({
      resolve: () => {
        throw new Error('Not implemented');
      },
    }),
  }),
});
​
builder.toSchema({
  mocks: {
    Query: {
      someField: (parent, args, context, info) => 'Mock result!',
    },
  },
});
Mocks will replace the resolve functions any time a mocked field is executed. A schema can be build multiple times with different mocks.
Adding mocks for subscribe functions
To add a mock for a subscriber you can nest the mocks for subscribe and resolve in an object:
builder.subscriptionType({
  fields: (t) => ({
    someField: t.string({
      resolve: () => {
        throw new Error('Not implemented');
      },
      subscribe: () => {
        throw new Error('Not implemented');
      },
    }),
  }),
});
​
builder.toSchema({
  mocks: {
    Subscription: {
      someField: {
        resolve: (parent, args, context, info) => 'Mock result!',
        subscribe: (parent, args, context, info) => {
          /* return a mock async iterator */
        },
      },
    },
  },
});
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