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// Tune promises (we use Bluebird, but with setImmediate instead of nextTick etc optimizations...)
// It will allow to us call jest.runAllImmediates() to force promises queue flush
global.Promise = require('App/promise').default
global.Promise.setScheduler(function(fn) {
  setImmediate(fn)
})

jest.mock('NativeEventEmitter')

const NativeModules = {

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/* This SnapshotHelper class should be compatible with SnapshotHelper.swift version 1.2 */
@import Foundation;
@import XCTest;

@interface SnapshotHelper : NSObject

- (instancetype)initWithApp:(XCUIApplication*)app;

- (void)snapshot:(NSString*)name waitForLoadingIndicator:(BOOL)wait;

vovkasm

import React from 'react'
import {
  EmitterSubscription,
  Keyboard,
  LayoutAnimation,
  LayoutChangeEvent,
  LayoutRectangle,
  Platform,
  StyleSheet,
  View,

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type Body = string | FormData | { uri: string } | ArrayBufferLike | ArrayBufferView

interface IUploadOptions {
  body?: Body
  headers?: { [k: string]: string }
  method?: 'GET' | 'POST'
}
function upload(
  url: string,
  opts: IUploadOptions = {},

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Directory structure

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funciton MyComp() {
  return (
    <View style={{ flexDirection: 'row', borderColor: 'blue', borderWidth: StyleSheet.hairlineWidth }}>
      <View style={{ width: 100, height: 100, backgroundColor: 'green' }} />
      <Text>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse ultricies finibus elementum.</Text>
    </View>
  )
}

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Increment without transaction
before incrementCounter cnt=0
after incrementCounter cnt=1
reaction computed=1
reaction cnt=1
Two increments with transaction
before incrementCounter cnt=1
after incrementCounter cnt=2
Current immediate value in transaction cnt=2
before incrementCounter cnt=2

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MyProject

Prereqs

• java, ant
• Xcode
• ruby

Install deps

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mport 'jest'

import { clock } from 'testing/setupFakeTimers'
import { TestController as Ctrl } from 'testing/testController'

import React from 'react'
import Renderer, { act } from 'react-test-renderer'

beforeEach(() => {
  // simplifyed code

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// android/app/build.gradle
// ... some RN stuff

apply plugin: 'com.google.gms.google-services'

dependencies {
    implementation fileTree(dir: "libs", include: ["*.jar"])
    implementation "com.android.support:appcompat-v7:${rootProject.supportLibVersion}"
    implementation "com.android.support:cardview-v7:${rootProject.supportLibVersion}"
    implementation "com.android.support:customtabs:${rootProject.supportLibVersion}"