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This README provides an overview of the testing setup and execution process using Detox for end-to-end (E2E) testing and Jest for unit testing.

Setup Instructions

Prerequisites

  • Node.js and npm installed
  • Android Studio (for Android testing) or Xcode (for iOS testing) installed
  • React Native project set up and running

Installation

  1. Clone the repository: git clone https://github.com/Blockchain-Powered-eSIM/eSIM-Wallet
  2. Navigate to the project directory: cd eSIM-Wallet
  3. Install dependencies: npm install

Configuration

  • Detox configuration: Configure Detox in the .detoxrc.js file to specify test runner arguments, app configurations, device types, etc.
  • Jest configuration: Configure Jest in the e2e/jest.config.js and base.jest.config.js files for unit and E2E testing settings.

Make sure to run the app before running test because because of different emulator settings

  • Make sure you choose one of the available emulators: Pixel6_Pro_API_34

Running Tests

Unit Tests

  • Run unit tests using Jest: npm test

End-to-End (E2E) Tests with Detox

  1. Build the app for testing: npm run build

  2. Start the Detox test environment: npm run test

Expected Results

> eSIM-Wallet@0.0.1 test
> detox test --configuration android.emu.debug

18:43:10.127 detox[19993] B jest --config e2e/jest.config.js
18:43:13.241 detox[19996] i firstTest.spec.js is assigned to emulator-5554 (Pixel_6_Pro_API_34)
18:43:13.243 detox[19996] i App Launch Test: should launch the app successfully
18:43:16.563 detox[19996] i App Launch Test: should launch the app successfully [OK]

18:43:16.565 detox[19996] i Modal Visibility Test: should initially hide the modal
18:43:16.700 detox[19996] i Modal Visibility Test: should initially hide the modal [OK]

18:43:16.701 detox[19996] i Unique ID Fetch Test: should fetch and display unique ID in modal
18:43:18.248 detox[19996] i Unique ID Fetch Test: should fetch and display unique ID in modal [OK]

18:43:18.249 detox[19996] i Modal Dismissal Test: should dismiss the modal when "Back" button is pressed
18:43:19.910 detox[19996] i Modal Dismissal Test: should dismiss the modal when "Back" button is pressed [OK]

18:43:19.911 detox[19996] i Generate EC KeyPair Test: should generate and display EC KeyPair
18:43:23.324 detox[19996] i Generate EC KeyPair Test: should generate and display EC KeyPair [OK]

 PASS  e2e/firstTest.spec.js (12.573 s)
  App Launch Test
    ✓ should launch the app successfully (3320 ms)
  Modal Visibility Test
    ✓ should initially hide the modal (134 ms)
  Unique ID Fetch Test
    ✓ should fetch and display unique ID in modal (1547 ms)
  Modal Dismissal Test
    ✓ should dismiss the modal when "Back" button is pressed (1661 ms)
  Generate EC KeyPair Test
    ✓ should generate and display EC KeyPair (3412 ms)

Test Suites: 1 passed, 1 total
Tests:       5 passed, 5 total
Snapshots:   0 total
Time:        12.639 s, estimated 64 s
Ran all test suites.

Troubleshooting

Test Failures

  • If tests fail, review the error messages and logs provided by Jest and Detox for insights into the cause of the failure.
  • Check for issues related to emulator/device setup, app launch, test environment configuration, etc.

Emulator/Device Issues

  • If the emulator or device does not respond or encounters errors, try restarting it.
  • Ensure that the emulator/device is properly configured and has the necessary permissions and resources allocated.

Configuration Errors

  • Double-check the configuration settings in .detoxrc.js and e2e/jest.config.js for correctness and compatibility with your testing environment.

Additional Resources

Error Scenario

Unknown AVD Name

When attempting to wipe the data and restart an Android Virtual Device (AVD) emulator, the error message "PANIC: Unknown AVD name [avd_name]" is encountered. This error indicates that the specified AVD name is not recognized or does not exist.

Error Message

PANIC: Unknown AVD name [avd_name], use -list-avds to see valid list.
HOME is defined but there is no file avd_name.ini in $HOME/.android/avd
(Note: Directories are searched in the order $ANDROID_AVD_HOME, $ANDROID_SDK_HOME/avd, and $HOME/.android/avd)

Possible Causes

  • Incorrect AVD name specified.
  • AVD not created or configured properly.
  • Emulator or AVD Manager misconfiguration.

Resolution Steps

  1. List Available AVDs: Open Terminal or Command Prompt and navigate to your Android SDK tools directory. Run the following command to list the available AVDs: emulator -list-avds

  2. Identify AVD Name: Look for the name of the emulator you want to wipe in the list that's displayed.

  3. Run AVD Manager Command: Once you've identified the correct AVD name, run the AVD Manager command with the correct AVD name to wipe its data: emulator -avd your_avd_name -wipe-data Replace your_avd_name with the name of the AVD you want to wipe.

  4. Wait for Emulator to Restart: The emulator will restart with wiped data. Wait for it to finish booting up.

  5. Retry Tests: Once the emulator is up and running again, retry running your Detox tests to see if the issue is resolved.