Initial support for a hardware test harness with pytest and UV

tests/utils.py

@@ -0,0 +1,49 @@
+import time
+import serial.tools.list_ports
+from tools.openiris_device import OpenIrisDevice
+
+OPENIRIS_DEVICE = None
+
+
+class OpenIrisDeviceManager:
+    def __init__(self):
+        self._device: OpenIrisDevice | None = None
+        self._current_port: str | None = None
+
+    def get_device(self, port: str | None = None, config=None) -> OpenIrisDevice:
+        """
+        Returns the current OpenIrisDevice connection helper
+
+        if the port changed from the one given previously, it will attempt to reconnect
+        if no device exists, we will create one and try to connect
+
+        This helper is designed to be used within a session long fixture
+        """
+        if not port and not self._device:
+            raise ValueError("No device connected yet, provide a port first")
+
+        if port and port != self._current_port:
+            print(f"Port changed from {self._current_port} to {port}, reconnecting...")
+            self._current_port = port
+
+            if self._device:
+                self._device.disconnect()
+                self._device = None
+
+            self._device = OpenIrisDevice(port, False, False)
+            self._device.connect()
+            time.sleep(int(config["SWITCH_MODE_REBOOT_TIME"]))
+
+        return self._device
+
+
+def has_command_failed(result) -> bool:
+    return "error" in result or result["results"][0]["result"]["status"] != "success"
+
+
+def get_current_ports() -> list[str]:
+    return [port.name for port in serial.tools.list_ports.comports()]
+
+
+def get_new_port(old_ports, new_ports) -> str:
+    return list(set(new_ports) - set(old_ports))[0]