测试客户端与装置
模拟请求并预置测试数据
测试客户端与装置 是 CoddyKit 上的免费 Django Academy 课时。 这是第 4 节课，共 4 节。 你可以在下方免费阅读本课时的完整内容 — 然后在浏览器中使用内置代码编辑器和全天候 AI 导师进行实践。 这是 Django Academy 学习路径的一部分，你的进度在网页和 CoddyKit 应用中同步。 Django Academy 课程共包含 4 节课。
本课时的部分内容尚未翻译，以英文显示。
Testing Whole Views
Model tests are great, but you also want to test full pages. The test client lets you simulate a real browser request inside a test. 🌐
The Client Is Ready
Every TestCase gives you a self.client for free. No setup needed, it is wired up and waiting in each test.
Make a GET Request
Call self.client.get with a URL to fetch a page just like a browser would, then inspect what comes back.
response = self.client.get('/articles/')Check the Status Code
The response carries a status_code. Assert it equals 200 to confirm the page loaded successfully.
self.assertEqual(response.status_code, 200)A Cleaner Status Check
Django offers a shortcut. Use assertContains to confirm both a 200 status and that expected text is on the page.
self.assertContains(response, 'Latest Articles')Posting Form Data
Simulate a form submission with self.client.post, passing a dictionary of the fields a user would fill in.
self.client.post('/add/', {'title': 'Hi'})Test by Route Name
Hardcoded URLs break easily. Use reverse to look up the URL from its route name instead.
url = reverse('article-list')
response = self.client.get(url)What Are Fixtures?
A fixture is a file of pre-built rows. It seeds your test database so every test starts with the same known data.
Create a Fixture File
Export existing rows with dumpdata. Django writes them to JSON that you can replay later as a fixture.
python manage.py dumpdata blog > data.jsonLoad a Fixture in Tests
List your fixture files in the fixtures attribute and Django loads them automatically before each test runs.
class BlogTests(TestCase):
fixtures = ['data.json']Fixtures vs setUp
Reach for fixtures when you need a fixed dataset to load fast, and setUp when each test needs small, tailored objects.
Quick Check
You want to confirm a page loaded and shows a heading.
Recap
You drove views with the test client, checked status and content, posted form data, and seeded data with fixtures and dumpdata. 🎉
常见问题解答
「测试客户端与装置」课时是免费的吗？
是的 — 「测试客户端与装置」的完整文本可在网页上免费阅读。要进行交互式练习（内置代码编辑器和全天候 AI 导师）并解锁 Django Academy 课程的其余内容，请升级到 CoddyKit PRO。 Django Academy 课程共包含 4 节课。
「测试客户端与装置」这节课中我会学到什么？
模拟请求并预置测试数据 你通过在浏览器中直接运行的动手代码来练习 Django Academy，全天候 AI 导师会在你学习这节课的过程中回答你的问题。
学习 Django Academy 需要有经验吗？
无需任何先前经验。CoddyKit 上的 Django Academy 课程适合初学者到高级学习者，你可以从这里开始或从头开始，按照自己的节奏学习。 这是第 4 节课，共 4 节。
「测试客户端与装置」课时需要多长时间？
大多数 CoddyKit 课程大约需要 5–10 分钟。每节课都很精短且互动，所以你能稳步进步，并在网页和应用中从离开的地方继续。
我能在这节 Django Academy 课中编写并运行代码吗？
能。每节 Django Academy 课都包含内置代码编辑器，你可以在浏览器中直接编写并运行真实代码，并获得即时 AI 反馈 — 无需本地设置。