test/viewmodels_test.dart - develop - fraq11/ElijahFlutter

test/viewmodels_test.dart
127 строк4 KB
octomors
tests
26 апр 2026, 13:38
26 апр 2026, 13:3835beaca
import 'package:elijahflutter/view/data/prototype_data.dart';
import 'package:elijahflutter/viewmodel/pages/chef_mode_view_model.dart';
import 'package:elijahflutter/viewmodel/pages/onboarding_view_model.dart';
import 'package:elijahflutter/viewmodel/pages/profile_view_model.dart';
import 'package:elijahflutter/viewmodel/pages/recipe_detail_view_model.dart';
import 'package:elijahflutter/viewmodel/pages/search_view_model.dart';
import 'package:elijahflutter/viewmodel/shared/settings_view_model.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  group('SettingsViewModel', () {
    test('toggles dark theme state', () {
      final viewModel = SettingsViewModel();

      expect(viewModel.isDarkTheme, isFalse);

      viewModel.toggleTheme();

      expect(viewModel.isDarkTheme, isTrue);
    });
  });

  group('OnboardingViewModel', () {
    test('advances until the last step', () {
      final viewModel = OnboardingViewModel();

      expect(viewModel.currentStep, 0);
      expect(viewModel.isLastStep, isFalse);

      viewModel.nextStep();
      expect(viewModel.currentStep, 1);

      viewModel.nextStep();
      expect(viewModel.currentStep, 2);
      expect(viewModel.isLastStep, isTrue);

      viewModel.nextStep();
      expect(viewModel.currentStep, 2);
    });
  });

  group('SearchViewModel', () {
    test('filters by query, difficulty and ingredients', () {
      final viewModel = SearchViewModel();

      expect(viewModel.filteredRecipes, hasLength(recipes.length));

      viewModel.setSearchQuery('Суп');
      expect(
        viewModel.filteredRecipes.map((recipe) => recipe.title),
        contains('Крем-суп из тыквы'),
      );

      viewModel.toggleDifficulty(RecipeDifficulty.easy);
      expect(
        viewModel.filteredRecipes.every((recipe) => recipe.difficulty == RecipeDifficulty.easy),
        isTrue,
      );

      viewModel.toggleIngredient('Яйца');
      expect(
        viewModel.filteredRecipes.every(
          (recipe) => recipe.ingredients.any((ingredient) => ingredient.toLowerCase().contains('яйц')),
        ),
        isTrue,
      );
    });
  });

  group('RecipeDetailViewModel', () {
    test('loads recipe and switches tab', () {
      final viewModel = RecipeDetailViewModel(recipeId: '1');

      expect(viewModel.recipe?.title, 'Французские тосты с ягодами');
      expect(viewModel.selectedTab, RecipeDetailTab.ingredients);

      viewModel.setSelectedTab(RecipeDetailTab.steps);

      expect(viewModel.selectedTab, RecipeDetailTab.steps);
    });
  });

  group('ChefModeViewModel', () {
    test('moves through recipe steps without going out of range', () {
      final viewModel = ChefModeViewModel(recipeId: '1');

      expect(viewModel.stepIndex, 0);
      expect(viewModel.isLastStep, isFalse);

      viewModel.previousStep();
      expect(viewModel.stepIndex, 0);

      for (var index = 0; index < 10; index++) {
        viewModel.nextStep();
      }

      expect(viewModel.stepIndex, recipeById('1')!.steps.length - 1);
      expect(viewModel.isLastStep, isTrue);
    });
  });

  group('ProfileViewModel', () {
    test('delegates theme toggles to shared settings view model', () {
      final settingsViewModel = SettingsViewModel();
      final viewModel = ProfileViewModel(settingsViewModel);

      expect(viewModel.isDarkTheme, isFalse);

      viewModel.toggleTheme();

      expect(settingsViewModel.isDarkTheme, isTrue);
      expect(viewModel.isDarkTheme, isTrue);
      expect(viewModel.notificationsEnabled, isTrue);

      viewModel.setNotificationsEnabled(false);
      expect(viewModel.notificationsEnabled, isFalse);
    });
  });
}

RecipeUi? recipeById(String id) {
  try {
    return recipes.firstWhere((recipe) => recipe.id == id);
  } catch (_) {
    return null;
  }
}