Add test for timeout

Author: fabaff

tests/__init__.py

@@ -1,2 +1 @@
 """Test for the Glances API client."""
-

tests/test_timeout.py

@@ -0,0 +1,23 @@
+"""Test the interaction with the currencylayer API."""
+import pytest
+from pytest_httpx import HTTPXMock
+
+from glances_api import Glances
+import httpx
+
+
+@pytest.mark.asyncio
+async def test_timeout(httpx_mock: HTTPXMock):
+    """Test if the connection is hitting the timeout."""
+
+    def raise_timeout(request, extensions: dict):
+        """Set the timeout for the requests."""
+        raise httpx.ReadTimeout(
+            f"Unable to read within {extensions['timeout']}", request=request
+        )
+
+    httpx_mock.add_callback(raise_timeout)
+
+    with pytest.raises(httpx.ReadTimeout):
+        client = Glances()
+        await client.get_metrics("mem")