client.test.js

import XMLHttpRequest from '../src/client/xhr'
import { run } from './modules/mock-http.js'

import '../demo/client_preview/src/utils/mockClient'

http.axios = {}
'get,put,post,delete,options'.split(',').map(method => {
    http.axios[method] = function (url, data) {
        return http('options', url, data)
    }
})

run(http, 'client-')


function http(method, url, data) {
    return new Promise((resolve, reject) => {
        var request = new XMLHttpRequest();
        request.open(method, url);
        request.send(data);

        request.onreadystatechange = function () {
            if (request.readyState === 4) {
                if (request.status === 200) {
                    var data = request.responseText
                    var contentType = request.getResponseHeader('content-type') || ''
                    if (contentType.indexOf('/json') > -1) {
                        try {
                            data = JSON.parse(data)
                            data = data && data.data
                        } catch (e) {
                        }
                    }
                    resolve({
                        status: request.status,
                        data,
                        headers: toHeaderObj(request.getAllResponseHeaders())
                    })
                } else {
                    /*eslint-disable-next-line*/
          reject({ status: request.status });
                }
            }
        }
        request.onerror = reject
    })
}

function toHeaderObj(str) {
    var r = {}
    str.split(/\r\n/g).map(item => {
        var ns = item.split(/\:\s*/g)
        r[ns[0].toLowerCase()] = ns[1]
    })
    return r
}