NAT-286: add test for get interface by device

test/services/test_netbox.py

@@ -236,3 +236,22 @@ def test_delete_device(mock_api, device, data_config_filename: PathLike):
     NetboxClient().delete_device(device.name)
 
     mock_delete.assert_called_once()
+
+
+@patch("gso.services.netbox_client.pynetbox.api")
+def test_get_interfaces_by_device(mock_api, device, interface, data_config_filename: PathLike):
+    """
+    Test if a interface is returned for a device
+    """
+    # Setup interface speed
+    speed = 1000
+
+    # Mock netbox api
+    mock_api.return_value.dcim.devices.get.return_value = device
+    mock_api.return_value.dcim.interfaces.filter.return_value = [interface, interface]
+
+    # Call get interfaces by device
+    interfaces = NetboxClient().get_interfaces_by_device(device.name, speed)
+
+    assert interfaces is not None
+    assert len(interfaces) == 2