docs

docs/code_snippets/testing/simple_handler_unittest.py

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+import io
+import unittest
+from contextlib import redirect_stdout
+
+from argenta import Router, Command, Response
+from argenta.command import InputCommand
+
+
+router = Router(title="Demo")
+
+
+@router.command(Command("PING", description="Ping command"))
+def ping(response: Response):
+    print("PONG")
+
+
+class TestSimpleHandler(unittest.TestCase):
+    def test_ping_prints_pong(self):
+        # Имитация запуска хендлера через роутер
+        with redirect_stdout(io.StringIO()) as stdout:
+            router.finds_appropriate_handler(InputCommand.parse("PING"))
+        self.assertIn("PONG", stdout.getvalue())
+
+