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detox-skill Generates Detox E2E tests for React Native apps in JavaScript. Gray-box testing framework with automatic synchronization. Supports local simulators/emulators and TestMu AI cloud. Use when user mentions "Detox", "React Native test", "element(by.id())", "device.launchApp". Triggers on: "Detox", "React Native E2E", "React Native test", "element(by.id)", "device.launchApp".
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Verwandte Berufe SOC
Basierend auf der SOC-Berufsklassifikation
name detox-skill description Generates Detox E2E tests for React Native apps in JavaScript. Gray-box testing framework with automatic synchronization. Supports local simulators/emulators and TestMu AI cloud. Use when user mentions "Detox", "React Native test", "element(by.id())", "device.launchApp". Triggers on: "Detox", "React Native E2E", "React Native test", "element(by.id)", "device.launchApp".
languages ["JavaScript","TypeScript"] category mobile-testing license MIT metadata {"author":"TestMu AI","version":"1.0"}
Detox Automation Skill
You are a senior React Native QA engineer specializing in Detox.
Core Patterns
Basic Test
describe ('Login' , () => {
beforeAll (async () => {
await device.launchApp
beforeEach
async
await
reloadReactNative
it
'should login with valid credentials'
async
await
element
id
'emailInput'
typeText
'user@test.com'
await
element
id
'passwordInput'
typeText
'password123'
await
element
id
'loginButton'
tap
await
expect
element
id
'dashboardTitle'
toBeVisible
await
expect
element
text
'Welcome'
toBeVisible
it
'should show error for invalid credentials'
async
await
element
id
'emailInput'
typeText
'wrong@test.com'
await
element
id
'passwordInput'
typeText
'wrong'
await
element
id
'loginButton'
tap
await
expect
element
id
'errorMessage'
toBeVisible
Matchers (Finding Elements) element (by.id ('uniqueId' ))
element (by.text ('Login' ))
element (by.label ('Submit' ))
element (by.type ('RCTTextInput' ))
element (by.traits (['button' ]))
element (by.id ('list' ).withDescendant (by.text ('Item 1' )))
element (by.id ('item' ).withAncestor (by.id ('list' )))
element (by.text ('Delete' )).atIndex (0 )
Actions await element (by.id ('btn' )).tap ();
await element (by.id ('btn' )).longPress ();
await element (by.id ('btn' )).multiTap (3 );
await element (by.id ('input' )).typeText ('hello' );
await element (by.id ('input' )).replaceText ('new text' );
await element (by.id ('input' )).clearText ();
await element (by.id ('scrollView' )).scroll (200 , 'down' );
await element (by.id ('scrollView' )).scrollTo ('bottom' );
await element (by.id ('item' )).swipe ('left' , 'fast' );
await element (by.id ('input' )).tapReturnKey ();
Expectations await expect (element (by.id ('title' ))).toBeVisible ();
await expect (element (by.id ('title' ))).not .toBeVisible ();
await expect (element (by.id ('title' ))).toExist ();
await expect (element (by.id ('title' ))).toHaveText ('Welcome' );
await expect (element (by.id ('toggle' ))).toHaveToggleValue (true );
await expect (element (by.id ('input' ))).toHaveValue ('hello' );
Device Control await device.launchApp ({ newInstance : true });
await device.reloadReactNative ();
await device.sendToHome ();
await device.terminateApp ();
await device.installApp ();
await device.shake ();
await device.setLocation (37.7749 , -122.4194 );
await device.setURLBlacklist (['.*cdn.example.*' ]);
Anti-Patterns Bad Good Why waitFor().withTimeout() everywhereTrust Detox auto-sync Detox waits automatically No testID on components Add testID prop Stable selectors device.launchApp() in every testdevice.reloadReactNative()Faster Manual delays Detox synchronization Built-in waiting
.detoxrc.js Configuration module .exports = {
testRunner : { args : { config : 'e2e/jest.config.js' } },
apps : {
'ios.debug' : {
type : 'ios.app' ,
binaryPath : 'ios/build/MyApp.app' ,
build : 'xcodebuild -workspace ios/MyApp.xcworkspace -scheme MyApp -configuration Debug -sdk iphonesimulator -derivedDataPath ios/build' ,
},
'android.debug' : {
type : 'android.apk' ,
binaryPath : 'android/app/build/outputs/apk/debug/app-debug.apk' ,
build : 'cd android && ./gradlew assembleDebug assembleAndroidTest -DtestBuildType=debug' ,
reversePorts : [8081 ],
},
},
devices : {
simulator : { type : 'ios.simulator' , device : { type : 'iPhone 16' } },
emulator : { type : 'android.emulator' , device : { avdName : 'Pixel_7_API_34' } },
},
configurations : {
'ios.sim.debug' : { device : 'simulator' , app : 'ios.debug' },
'android.emu.debug' : { device : 'emulator' , app : 'android.debug' },
},
};
Cloud Execution on TestMu AI Detox generates native test runners (Espresso for Android, XCUITest for iOS). Run on TestMu AI cloud by uploading the built artifacts and triggering a framework build.
Android (Espresso) Cloud Run
detox build --configuration android.emu.debug
curl -u "$LT_USERNAME :$LT_ACCESS_KEY " \
-X POST "https://manual-api.lambdatest.com/app/upload/realDevice" \
-F "appFile=@android/app/build/outputs/apk/debug/app-debug.apk" \
-F "name=DetoxApp"
curl -u "$LT_USERNAME :$LT_ACCESS_KEY " \
-X POST "https://manual-api.lambdatest.com/app/upload/realDevice" \
-F "appFile=@android/app/build/outputs/apk/androidTest/debug/app-debug-androidTest.apk" \
-F "name=DetoxTestSuite"
curl -X POST "https://mobile-api.lambdatest.com/framework/v1/espresso/build" \
-H "Authorization: Basic <BASE64_AUTH>" \
-H "Content-Type: application/json" \
-d '{
"app": "lt://APP_ID",
"testSuite": "lt://TEST_SUITE_ID",
"device": ["Galaxy S21 5G-12", "Pixel 6-12"],
"build": "Detox-Android",
"deviceLog": true,
"video": true
}'
iOS (XCUITest) Cloud Run
detox build --configuration ios.sim.release
curl -u "$LT_USERNAME :$LT_ACCESS_KEY " \
-X POST "https://manual-api.lambdatest.com/app/upload/realDevice" \
-F "appFile=@MyApp.ipa" -F "name=DetoxApp"
curl -u "$LT_USERNAME :$LT_ACCESS_KEY " \
-X POST "https://manual-api.lambdatest.com/app/upload/realDevice" \
-F "appFile=@MyAppTests-Runner.ipa" -F "name=DetoxTestSuite"
curl -X POST "https://mobile-api.lambdatest.com/framework/v1/xcui/build" \
-H "Authorization: Basic <BASE64_AUTH>" \
-H "Content-Type: application/json" \
-d '{
"app": "lt://APP_ID",
"testSuite": "lt://TEST_SUITE_ID",
"device": ["iPhone 14-16", "iPhone 13-15"],
"build": "Detox-iOS",
"devicelog": true,
"video": true
}'
Quick Reference Task Command Build iOS detox build --configuration ios.sim.debugTest iOS detox test --configuration ios.sim.debugBuild Android detox build --configuration android.emu.debugTest Android detox test --configuration android.emu.debugSpecific test detox test --configuration ios.sim.debug e2e/login.test.jsRecord video detox test --record-videos allTake screenshot await device.takeScreenshot('login-page')
Setup npm install detox --save-dev
npm install jest jest-circus --save-dev
detox init
React Native Component Setup
<TextInput testID="emailInput" placeholder="Email" />
<TextInput testID ="passwordInput" placeholder ="Password" secureTextEntry /> <Button testID ="loginButton" title ="Login" onPress ={handleLogin} /> <Text testID ="errorMessage" > {error}</Text >
Deep Patterns For advanced patterns, debugging guides, CI/CD integration, and best practices,
see reference/playbook.md.
