`TestClient` ⚓️ 🔛 <a href="https://www.python-httpx.org" class="external-link" target="_blank">🇸🇲</a>, &amp; ↩️, 👥 💪 ⚙️ ⚫️ 🔗 💯 🛠️.

## 🖼

🙅 🖼, ➡️ 🤔 📁 📊 🎏 1️⃣ 🔬 [🦏 🈸](../tutorial/bigger-applications.md){.internal-link target=_blank} &amp; [🔬](../tutorial/testing.md){.internal-link target=_blank}:

```
.
├── app
│   ├── __init__.py
│   ├── main.py
│   └── test_main.py
```

* <a href="https://hub.docker.com/_/mysql" class="external-link" target="_blank">MySQL</a>
* <a href="https://hub.docker.com/_/mongo" class="external-link" target="_blank">MongoDB</a>
* <a href="https://hub.docker.com/_/redis" class="external-link" target="_blank">Redis</a>

и т.п.

Відкрийте браузер та введіть адресу <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000</a>.

Ви побачите у відповідь таке повідомлення у форматі JSON:

```JSON
{"message": "Hello World"}
```

### Інтерактивна API документація

Перейдемо сюди <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.CLASS;

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * Signifies that a test should not be run under Android. This annotation is respected only by our
 * Google-internal Android suite generators. Note that those generators also suppress any test

import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.CLASS;

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * Signifies that a test should not be run under Android. This annotation is respected only by our
 * Google-internal Android suite generators. Note that those generators also suppress any test

import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.CLASS;

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * Signifies that a test should not be run under Android. This annotation is respected only by our
 * Google-internal Android suite generators. Note that those generators also suppress any test

import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.CLASS;

import com.google.common.annotations.GwtCompatible;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

/**
 * Signifies that a test should not be run under Android. This annotation is respected only by our
 * Google-internal Android suite generators. Note that those generators also suppress any test

import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.apache.maven.api.annotations.Experimental;

/**
 * Specifies that the mojo should be run after the specific phase.
 *
 * @since 4.0.0
 */
@Experimental
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@Inherited
public @interface After {

    /**
     * Type of pointer.

➡️ 🌈 👈 👆 ✔️ 💽 `fake_db` 👈 🕴 📨 🎻 🔗 💽.

🖼, ⚫️ 🚫 📨 `datetime` 🎚, 👈 🚫 🔗 ⏮️ 🎻.

, `datetime` 🎚 🔜 ✔️ 🗜 `str` ⚗ 💽 <a href="https://en.wikipedia.org/wiki/ISO_8601" class="external-link" target="_blank">💾 📁</a>.

🎏 🌌, 👉 💽 🚫🔜 📨 Pydantic 🏷 (🎚 ⏮️ 🔢), 🕴 `dict`.

👆 💪 ⚙️ `jsonable_encoder` 👈.

⚫️ 📨 🎚, 💖 Pydantic 🏷, &amp; 📨 🎻 🔗 ⏬:

//// tab | 🐍 3️⃣.6️⃣ &amp; 🔛

## Зависимости для групп *операций пути*