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fb16af7944
Summary: Adds a Detox configuration and instructions for running the app in development mode in Detox. This speeds up developing tests, because changes to production code don't require a full rebuild. Pull Request resolved: https://github.com/facebook/react-native/pull/22572 Differential Revision: D13396883 Pulled By: cpojer fbshipit-source-id: 186cc8d75eccae411b602cb0f68f0e11856e0743
89 lines
3.2 KiB
Markdown
89 lines
3.2 KiB
Markdown
# RNTester
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The RNTester showcases React Native views and modules.
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## Running this app
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Before running the app, make sure you ran:
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git clone https://github.com/facebook/react-native.git
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cd react-native
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npm install
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### Running on iOS
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Mac OS and Xcode are required.
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- Open `RNTester/RNTester.xcodeproj` in Xcode
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- Hit the Run button
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See [Running on device](https://facebook.github.io/react-native/docs/running-on-device.html) if you want to use a physical device.
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### Running on iOS with CocoaPods
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Similar to above, you can build the app via Xcode with help of CocoaPods.
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- Install [CocoaPods](http://facebook.github.io/react-native/docs/integration-with-existing-apps.html#3-install-cocoapods)
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- Run `cd RNTester; pod install`
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- Open the generated `RNTesterPods.xcworkspace` (this is not checked in). Do not open `RNTesterPods.xcodeproj` directly.
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### Running on Android
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You'll need to have all the [prerequisites](https://github.com/facebook/react-native/tree/master/ReactAndroid#prerequisites) (SDK, NDK) for Building React Native installed.
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Start an Android emulator ([Genymotion](https://www.genymotion.com) is recommended).
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cd react-native
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./gradlew :RNTester:android:app:installDebug
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./scripts/packager.sh
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_Note: Building for the first time can take a while._
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Open the RNTester app in your emulator.
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See [Running on Device](https://facebook.github.io/react-native/docs/running-on-device.html) in case you want to use a physical device.
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### Running with Buck
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Follow the same setup as running with gradle.
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Install Buck from [here](https://buckbuild.com/setup/install.html).
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Run the following commands from the react-native folder:
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./gradlew :ReactAndroid:packageReactNdkLibsForBuck
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buck fetch rntester
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buck install -r rntester
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./scripts/packager.sh
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_Note: The native libs are still built using gradle. Full build with buck is coming soon(tm)._
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## Running Detox Tests on iOS
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Install Detox from [here](https://github.com/wix/Detox/blob/master/docs/Introduction.GettingStarted.md).
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To run the e2e tests locally, run the following commands from the react-native folder:
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yarn build-ios-e2e
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yarn test-ios-e2e
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These are the equivalent of running:
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detox build -c ios.sim.release
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detox test -c ios.sim.release --cleanup
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These build the app in Release mode, so the production code is bundled and included in the built app.
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When developing E2E tests, you may want to run in development mode, so that changes to the production code show up immediately. To do this, run:
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detox build -c ios.sim.debug
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detox test -c ios.sim.debug
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You will also need to have Metro Bundler running in another terminal. Note that if you've previously run the E2E tests in release mode, you may need to delete the `RNTester/build` folder before rerunning `detox build`.
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## Built from source
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Building the app on both iOS and Android means building the React Native framework from source. This way you're running the latest native and JS code the way you see it in your clone of the github repo.
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This is different from apps created using `react-native init` which have a dependency on a specific version of React Native JS and native code, declared in a `package.json` file (and `build.gradle` for Android apps).
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