kooltab/test/app_lifecycle_lock_test.dart

import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:kooltab2/app/app_lifecycle_lock.dart';

void main() {
  test('locks when the app is no longer active', () {
    var lockCount = 0;
    final observer = AppLifecycleLockObserver(onLock: () => lockCount++);

    for (final state in [
      AppLifecycleState.inactive,
      AppLifecycleState.hidden,
      AppLifecycleState.paused,
      AppLifecycleState.detached,
    ]) {
      observer.didChangeAppLifecycleState(state);
    }

    expect(lockCount, 4);
  });

  test('does not lock while the app is active', () {
    var lockCount = 0;
    final observer = AppLifecycleLockObserver(onLock: () => lockCount++);

    observer.didChangeAppLifecycleState(AppLifecycleState.resumed);

    expect(lockCount, 0);
  });

  test('does not lock when auto-lock is disabled', () {
    var lockCount = 0;
    final observer = AppLifecycleLockObserver(
      onLock: () => lockCount++,
      shouldLock: () => false,
    );

    for (final state in [
      AppLifecycleState.inactive,
      AppLifecycleState.hidden,
      AppLifecycleState.paused,
      AppLifecycleState.detached,
    ]) {
      observer.didChangeAppLifecycleState(state);
    }

    expect(lockCount, 0);
  });
}