Masterarbeit/test_driver/app_test.dart

// Imports the Flutter Driver API
import 'dart:math';
import 'dart:async';
import 'dart:io';
import 'package:flutter_driver/flutter_driver.dart';
import 'package:test/test.dart';

//import 'package:touch_demonstrator/ui/pageTouchPoints/ButtonOrAnimation.dart';

//import 'package:flutter_test/flutter_test.dart';
void main() {
  group('Test ', ()
      /* /// Test connection to Bluetooth Device. This test is not useful in simulator
  ///
  /// This test pushes the connect button and checks if the app connects
  /// to the demonstrator.
   */
      {
    // First, define the Finders. We can use these to locate Widgets from the
    // test suite. Note: the Strings provided to the `byValueKey` method must
    // be the same as the Strings we used for the Keys in step 1.

    final connectTextFinder = find.byValueKey('ConnectButton');
    final disconnectTextFinder = find.byValueKey('DisconnectButton');
    final buttonFinder = find.byValueKey('ConnectionButton');
//    final animationFinder = find.byValueKey('Animation');
    final logoFinder = find.byValueKey('Logo');
    final debugButtonFinder = find.byValueKey('debugButton');
    final debugListFinder = find.byValueKey('ListTouchData');

    final drawerFinder = find.byValueKey('Drawer');
    final drawerHeaderFinder = find.byValueKey('DrawerHeader');
    final drawerLastEntryFinder = find.byValueKey('Disclaimer');
    FlutterDriver driver;

    // Connect to the Flutter driver before running any tests
    setUpAll(() async {
      new Directory('screenshots').create();
      driver = await FlutterDriver.connect();
//      new Directory(‘screenshots’).create();
    });

    // Close the connection to the driver after the tests have completed
    tearDownAll(() async {
      if (driver != null) {
        driver.close();
        print('driver closed!');
      }
    });

    test('Connect to bluetooth device and then disconnect again', () async {
      await takeScreenshot(driver, 'screenshots/Not_connected.png');
      expect(await driver.getText(connectTextFinder), "Connect");
      await driver.tap(buttonFinder);
      expect(await driver.getText(disconnectTextFinder), "Disconnect");
      await takeScreenshot(driver, 'screenshots/Connected.png');
      await driver.tap(buttonFinder);
      expect(await driver.getText(connectTextFinder), "Connect");
    });

/*    test('Check drawer', () async {
      final SerializableFinder drawerOpenButton =  find.byTooltip('Open navigation menu');
      await takeScreenshot(driver, 'screenshots/drawer_open.png');
    });*/
    test('Find Logo and tap it 3 times to get to debug page', () async {
      await driver.waitForAbsent(debugButtonFinder);
      await takeScreenshot(driver, 'screenshots/debug_disabled.png');
      for (var i = 0; i < 3; i++) {
        await driver.tap(logoFinder);
      }
      await driver.waitFor(debugButtonFinder);
      await takeScreenshot(driver, 'screenshots/debug_enabled.png');
      for (var i = 0; i < 3; i++) {
        await driver.tap(logoFinder);
      }
      await driver.waitForAbsent(debugButtonFinder);
      for (var i = 0; i < 3; i++) {
        await driver.tap(logoFinder);
      }

      await driver.tap(debugButtonFinder);
      await driver.waitFor(debugListFinder);
      await takeScreenshot(driver, 'screenshots/debug_page.png');
    });
  });
}

takeScreenshot(FlutterDriver driver, String path) async {
  final List<int> pixels = await driver.screenshot();
  final File file = new File(path);
  await file.writeAsBytes(pixels);
  print('wrote $file');
  print(path);
}

// run with:
//    flutter drive --target=test_driver/app.dart