@graphql-codegen/testing/esm/mock-graphql-server.js

GraphQL Codegen Testing Utils

import { createYoga } from 'graphql-yoga';
import nock from 'nock';
export function mockGraphQLServer({ schema, host, path, intercept, method = 'POST', }) {
    const yoga = createYoga({ schema, logging: false });
    const handler = async function (uri, body) {
        if (intercept) {
            intercept(this);
        }
        // Create a generic Request object that can be consumed by Yoga's fetch API
        const request = new Request(new URL(host + uri), {
            method,
            headers: this.req.headers,
            body: method === 'GET' ? undefined : JSON.stringify(body),
        });
        const response = await yoga.fetch(request);
        const headers = {};
        for (const [name, value] of response.headers) {
            headers[name] = value;
        }
        return [response.status, await response.json(), headers];
    };
    switch (method) {
        case 'GET':
            return nock(host).get(path).reply(handler);
        case 'POST':
            return nock(host).post(path).reply(handler);
    }
    return null;
}