108 lines
3.5 KiB
Markdown
108 lines
3.5 KiB
Markdown
Detox is gray box end-to-end testing and automation library for mobile apps. It has a lot of great features:
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- Cross Platform
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- Runs on Devices
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- Automatically Synchronized
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- Test Runner Independent
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- Debuggable
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## Setting Up Detox
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### Install applesimutils (Mac only)
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[applesimutils](https://github.com/wix/AppleSimulatorUtils) is a collection of utils for Apple simulators.
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```sh
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brew tap wix/brew
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brew install applesimutils
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```
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### Install Jest Globally
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```sh
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npm install -g jest
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```
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### Generating Applications
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By default, when creating a mobile application, Nx will use Detox to create the e2e tests project.
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```shell
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nx g @nx/react-native:app frontend
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```
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### Creating a Detox E2E project for an existing project
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You can create a new Detox E2E project for an existing mobile project.
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If the `@nx/detox` package is not installed, install the version that matches your `@nx/workspace` version.
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{% tabs %}
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{%tab label="npm"%}
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```sh
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# npm
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npm install --save-dev @nx/detox
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```
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{% /tab %}
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{%tab label="yarn"%}
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```sh
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# yarn
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yarn add --dev @nx/detox
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```
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{% /tab %}
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{% /tabs %}
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Next, generate an E2E project based on an existing project.
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```sh
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nx g @nx/detox:app your-app-name-e2e --project=your-app-name
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```
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Replace `your-app-name` with the app's name as defined in your `tsconfig.base.json` file or the `name` property of your `package.json`.
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In addition, you need to follow [instructions at Detox](https://github.com/wix/Detox/blob/master/docs/Introduction.Android.md) to do manual setup for Android files.
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## Using Detox
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### Testing Applications
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- Run `nx test-ios frontend-e2e` to build the iOS app and execute e2e tests with Detox for iOS (Mac only)
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- Run `nx test-android frontend-e2e` to build the Android app and execute e2e tests with Detox for Android
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You can run below commands:
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- `nx build-ios frontend-e2e`: build the iOS app (Mac only)
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- `nx build-android frontend-e2e`: build the Android app
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### Testing against Prod Build
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You can run your e2e test against a production build:
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- `nx test-ios frontend-e2e --prod`: to build the iOS app and execute e2e tests with Detox for iOS with Release configuration (Mac only)
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- `nx test-android frontend-e2e --prod`: to build the Android app and execute e2e tests with Detox for Android with release build type
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- `nx build-ios frontend-e2e --prod`: build the iOS app using Release configuration (Mac only)
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- `nx build-android frontend-e2e --prod`: build the Android app using release build type
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## Configuration
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### Using .detoxrc.json
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If you need to fine tune your Detox setup, you can do so by modifying `.detoxrc.json` in the e2e project.
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#### Change Testing Simulator/Emulator
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For iOS, in terminal, run `xcrun simctl list devices available` to view a list of simulators on your Mac. To open your active simulator, `run open -a simulator`. In `frontend-e2e/.detoxrc.json`, you could change the simulator under `devices.simulator.device`.
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For Android, in terminal, run `emulator -list-avds` to view a list of emulators installed. To open your emulator, run `emulator -avd <your emulator name>`. In `frontend-e2e/.detoxrc.json`, you could change the simulator under `devices.emulator.device`.
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In addition, to override the device name specified in a configuration, you could use `--device-name` option: `nx test-ios <app-name-e2e> --device-name "iPhone 11"`. The `device-name` property provides you the ability to test an application run on specific device.
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```shell
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nx test-ios frontend-e2e --device-name "iPhone 11"
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nx test-android frontend-e2e --device-name "Pixel_4a_API_30"
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```
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