```Python hl_lines="6"
{!../../docs_src/security/tutorial001.py!}
```

/// tip

📥 `tokenUrl="token"` 🔗 ⚖ 📛 `token` 👈 👥 🚫 ✍. ⚫️ ⚖ 📛, ⚫️ 🌓 `./token`.

↩️ 👥 ⚙️ ⚖ 📛, 🚥 👆 🛠️ 🔎 `https://example.com/`, ⤴️ ⚫️ 🔜 🔗 `https://example.com/token`. ✋️ 🚥 👆 🛠️ 🔎 `https://example.com/api/v1/`, ⤴️ ⚫️ 🔜 🔗 `https://example.com/api/v1/token`.

    response = client.get("/items/", headers={"X-Token": "invalid"})
    assert response.status_code == 400, response.text
    assert response.json() == {"detail": "X-Token header invalid"}


def test_get_invalid_one_users():
    response = client.get("/users/", headers={"X-Token": "invalid"})
    assert response.status_code == 400, response.text
    assert response.json() == {"detail": "X-Token header invalid"}

#    notify:
#      endpoint: "https://notify.endpoint" # notification endpoint to receive job status events
#      token: "Bearer xxxxx" # optional authentication token for the notification endpoint
#
#    retry:
#      attempts: 10 # number of retries for the job before giving up
#      delay: "500ms" # least amount of delay between each retry

`

client = TestClient(app)


def test_login():
    response = client.post("/token", data={"username": "johndoe", "password": "secret"})
    assert response.status_code == 200, response.text
    assert response.json() == {"access_token": "johndoe", "token_type": "bearer"}


def test_login_incorrect_password():
    response = client.post(
        "/token", data={"username": "johndoe", "password": "incorrect"}
    )

git+https://${TOKEN}@github.com/squidfunk/mkdocs-material-insiders.git@9.5.30-insiders-4.53.11
git+https://${TOKEN}@github.com/pawamoy-insiders/griffe-typing-deprecated.git

    with pytest.raises(WebSocketDisconnect):
        with client.websocket_connect("/items/bar/ws?token=some-token") as websocket:
            message = "Message one"
            websocket.send_text(message)
            data = websocket.receive_text()
            assert data == "Session cookie or query token value is: some-token"
            data = websocket.receive_text()

            the add-opens. Right now that doesn't seem worth the effort, though.
        -->
        <test.add.opens>
          --add-opens java.base/java.lang=ALL-UNNAMED
          --add-opens java.base/java.util=ALL-UNNAMED
          --add-opens java.base/sun.security.jca=ALL-UNNAMED
        </test.add.opens>
      </properties>
    </profile>
    <profile>

            the add-opens. Right now that doesn't seem worth the effort, though.
        -->
        <test.add.opens>
          --add-opens java.base/java.lang=ALL-UNNAMED
          --add-opens java.base/java.util=ALL-UNNAMED
          --add-opens java.base/sun.security.jca=ALL-UNNAMED
        </test.add.opens>
      </properties>
    </profile>
    <profile>

@needs_py39
def test_login(client: TestClient):
    response = client.post("/token", data={"username": "johndoe", "password": "secret"})
    assert response.status_code == 200, response.text
    assert response.json() == {"access_token": "johndoe", "token_type": "bearer"}


@needs_py39
def test_login_incorrect_password(client: TestClient):
    response = client.post(
        "/token", data={"username": "johndoe", "password": "incorrect"}
    )

		caContents, err := os.ReadFile(caFile)
		if err != nil {
			return kubeconfig{}, err
		}
		cluster.CertificateAuthorityData = caContents
	}

	token, err := os.ReadFile(cfg.K8sServiceAccountPath + "/token")
	if err != nil {
		return kubeconfig{}, err
	}

	const contextName = "istio-cni-context"
	const clusterName = "local"
	const userName = "istio-cni"
	kcfg := &api.Config{