小编nca*_*dez的帖子

有没有办法测试显示对话框中的内容？我正在尝试在项目中进行BDD，以下是场景：

As a User, I would like to add a photo or select one from the gallery so that I can use it on the item.

以下是我用来测试它的代码，但由于某种原因，测试失败了。

add_item_view.dart

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:my_app_mobile/models/graded_item/graded_item.dart';
import 'package:my_app_mobile/template/index.dart' as template;
import 'package:image_picker/image_picker.dart';

class AddItemView extends HookWidget {
  final GradedItem gradedItem;
  static final Key photoKey = Key('#photoKey');
  static final GlobalKey<FormState> formKey = GlobalKey<FormState>();
  final void Function() onPhoto;
  final ImagePicker _imagePicker = ImagePicker();

  AddItemView({
    @required this.gradedItem,
    this.onPhoto,
  });

  @override
  Widget build(BuildContext context) …