Maestro is the easiest way to automate UI testing for your mobile app.
- Blog Post: Introducing: Maestro — Painless Mobile UI Automation
- Full documentation for Maestro can be found at maestro.mobile.dev
Create a flow for any app on Android and iOS, with just a few lines of YAML.
| Android | iOS |
|---|---|
# flow_contacts_android.yaml
appId: com.android.contacts
---
- launchApp
- tapOn: "Create new contact"
- tapOn: "First Name"
- inputText: "John"
- tapOn: "Last Name"
- inputText: "Snow"
- tapOn: "Save" |
# flow_contacts_ios.yaml
appId: com.apple.MobileAddressBook
---
- launchApp
- tapOn: "John Appleseed"
- tapOn: "Edit"
- tapOn: "Add phone"
- inputText: "123123"
- tapOn: "Done" |
Get a CLI tool from homebrew
brew tap mobile-dev-inc/tap
brew install maestro
Write a simple test in a YAML file
# flow.yaml
appId: your.package.name
---
- launchApp
- tapOn: "Text on the screen"Make sure an Android emulator is running. Check out the docs for physical device support.
Run it!
maestro test flow.yaml
Only iOS Simulators are supported at the moment.
For Maestro to work with iOS you would need to do few extra steps.
Install Facebook IDB tool
brew tap facebook/fb
brew install idb-companion
And launch it:
idb_companion --udid {id of the iOS device}
Maestro is built on learnings from its predecessors (Appium, Espresso, UIAutomator, XCTest)
- Built-in tolerance to flakiness. UI elements will not always be where you expect them, screen tap will not always go through, etc. Maestro embraces the instability of mobile applications and devices and tries to counter it.
- Built-in tolerance to delays. No need to pepper your tests with
sleep()calls. Maestro knows that it might take time to load the content (i.e. over the network) and automatically waits for it (but no longer than required). - Blazingly fast iteration. Tests are interpreted, no need to compile anything. Maestro is able to continuously monitor your test files and rerun them as they change.
- Declarative yet powerful syntax. Define your tests in a
yamlfile. - Simple setup. Maestro is a single binary that works anywhere.