gistfile1.txt

import 'dart:io';
import 'package:flutter_driver/flutter_driver.dart';
import 'package:test/test.dart';
import 'package:ozzie/ozzie.dart';
import 'package:path/path.dart' as p;

Future diff(snap) async {
 final diffsDir = new Directory('ozzie/Diffs');
 var outputFile = new File(p.join(diffsDir.path, snap) + "-output.png");
 final String blinkdiffPath = 'node_modules/blink-diff/bin/blink-diff';

 await outputFile.create(recursive: true);

 await Process.run(blinkdiffPath, [
   '--output',
   outputFile.path,
   p.join('ozzie/Veggie/', snap) + ".png",
   p.join(
     'reference_snaps/Veggie/',
     snap,
   ) +
       ".png",
   '--threshold',
   '10'
 ]).then((ProcessResult results) {
   if (results.stdout.toString().contains("FAIL") == false) {
     outputFile.delete();
   }
   expect(results.stdout.toString().contains("FAIL"), isFalse);
 });
}
void main(){
 group('Veggie', () {
   FlutterDriver driver;
   Ozzie ozzie;
   setUp(() async {
     await driver.tap(find.text("Home"));
   });

   setUpAll(() async {
     driver = await FlutterDriver.connect();
     ozzie = await Ozzie.initWith(driver, groupName: "Veggie");
   });

   tearDownAll(() async {
     if (driver != null){
       await driver.close();
     }
     await ozzie.generateHtmlReport();
   });

   test('Apples are displayed', () async {
     final cardTitle = find.byValueKey("cardTitleApples");
     await ozzie.takeScreenshot("Apples");
     await diff("Apples");
     expect(await driver.getText(cardTitle),"Apples");
   });

   test('Plums are displayed', () async {
     final cardTitle = find.byValueKey("cardTitlePlums");
     await driver.scrollUntilVisible(find.byValueKey("list"), cardTitle, dyScroll: -500);
     await ozzie.takeScreenshot("Plums");
     await diff("Plums");
     expect(await driver.getText(cardTitle),"Plums");
   });
 });
}