Dart, test code, http get, json, checksum

http_get_json_test.dart

import 'dart:convert';

import 'package:crypto/crypto.dart';
import 'package:http/http.dart' as http;
import 'package:test/test.dart';

void main() {
  test('json http unit test', () async {
    http.Response response =
        await http.get('https://jsonplaceholder.typicode.com/posts/1');
    expect(200, response.statusCode);
    Post post = Post.fromJson(json.decode(response.body));

    expect(1, post.userId);
    expect(1, post.id);
    expect(
        "sunt aut facere repellat provident occaecati excepturi optio reprehenderit",
        post.title);
    expect(158, post.body.length);
    Digest digest = sha1.convert(utf8.encode(post.body));
    expect("0c1039e91b3fd0772a39565d587189a801de7762", digest.toString());
  });
}

class Post {
  final int userId;
  final int id;
  final String title;
  final String body;

  Post({this.userId, this.id, this.title, this.body});

  factory Post.fromJson(Map<String, dynamic> json) {
    return Post(
      userId: json['userId'],
      id: json['id'],
      title: json['title'],
      body: json['body'],
    );
  }
}