rn-fetch-blob/test/test-0.9.6.js

import RNTest from './react-native-testkit/'
import React from 'react'
import RNFetchBlob from 'react-native-fetch-blob'
import {
  StyleSheet,
  Text,
  View,
  ScrollView,
  Platform,
  Dimensions,
  Image,
  TouchableOpacity,
} from 'react-native';

window.XMLHttpRequest = RNFetchBlob.polyfill.XMLHttpRequest
window.Blob = RNFetchBlob.polyfill.Blob

const fs = RNFetchBlob.fs
const { Assert, Comparer, Info, prop } = RNTest
const describe = RNTest.config({
  group : '0.9.6',
  run : true,
  expand : false,
  timeout : 20000,
})
const { TEST_SERVER_URL, TEST_SERVER_URL_SSL, FILENAME, DROPBOX_TOKEN, styles } = prop()
const dirs = RNFetchBlob.fs.dirs

let prefix = ((Platform.OS === 'android') ? 'file://' : '')

describe('support #141 breakpoint download', (report, done) => {
  let dest = dirs.DocumentDir + '/breakpoint.png'
  let firstChunkSize = 0

  fs.unlink(dest)
  .then(() => {

    let session = RNFetchBlob.config({
      path : dest
    })
    .fetch('GET', `${TEST_SERVER_URL}/public/github.png`, {
      'Cache-Control' : 'no-cache',
      Range : 'bytes=0-200'
    })
    .then((res) => {
      console.log(res.info())
      console.log(res.data)
      return fs.stat(res.path())
    })
    .then((stat) => {
      firstChunkSize = Math.floor(stat.size)
      console.log(firstChunkSize)
    })
    .then(() => {
      RNFetchBlob.config({
        path : dest + '?append=true'
      })
      .fetch('GET', `${TEST_SERVER_URL}/public/github.png`, {
        'Cache-Control' : 'no-cache',
        Range : 'bytes=201-'
      })
      .then((res) => {
        console.log(res.info())
        console.log(res.path())
        return fs.stat(res.path())
      })
      .then((stat) => {
        report(
          <Info key="image">
            <Image style={RNTest.prop('styles').image} source={{uri : prefix + dest}}/>
          </Info>,
          <Assert key="request data should append to existing one" expect={23975} actual={Math.floor(stat.size)}/>)
        done()
      })

    })
  })

})

describe('support download/upload progress interval and division #140 ', (report, done) => {

})