tests of new BLEError functionality

meshtastic/tests/test_ble_interface.py

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+"""Meshtastic unit tests for ble_interface.py"""
+
+from unittest.mock import MagicMock, patch
+
+import pytest
+from bleak.exc import BleakError
+
+from ..ble_interface import BLEInterface
+
+
+@pytest.mark.unit
+def test_ble_error_default_kind_unknown():
+    """BLEError defaults to UNKNOWN kind."""
+    error = BLEInterface.BLEError("test")
+    assert error.kind == BLEInterface.BLEError.UNKNOWN
+
+
+@pytest.mark.unit
+def test_ble_find_device_not_found_sets_kind():
+    """find_device emits DEVICE_NOT_FOUND for no scan results."""
+    iface = object.__new__(BLEInterface)
+    with patch("meshtastic.ble_interface.BLEInterface.scan", return_value=[]):
+        with pytest.raises(BLEInterface.BLEError) as excinfo:
+            iface.find_device("missing")
+    assert excinfo.value.kind == BLEInterface.BLEError.DEVICE_NOT_FOUND
+
+
+@pytest.mark.unit
+def test_ble_find_device_multiple_sets_kind():
+    """find_device emits MULTIPLE_DEVICES for ambiguous matches."""
+    iface = object.__new__(BLEInterface)
+    first = MagicMock()
+    first.name = "dup"
+    first.address = "AA:AA:AA:AA:AA:01"
+    second = MagicMock()
+    second.name = "dup"
+    second.address = "AA:AA:AA:AA:AA:02"
+    with patch(
+        "meshtastic.ble_interface.BLEInterface.scan", return_value=[first, second]
+    ):
+        with pytest.raises(BLEInterface.BLEError) as excinfo:
+            iface.find_device("dup")
+    assert excinfo.value.kind == BLEInterface.BLEError.MULTIPLE_DEVICES
+
+
+@pytest.mark.unit
+def test_ble_send_to_radio_wraps_write_errors_with_kind():
+    """_sendToRadioImpl wraps write failures with WRITE_ERROR."""
+    iface = object.__new__(BLEInterface)
+    iface.client = MagicMock()
+    iface.client.write_gatt_char.side_effect = RuntimeError("boom")
+    to_radio = MagicMock()
+    to_radio.SerializeToString.return_value = b"\x01"
+    with pytest.raises(BLEInterface.BLEError) as excinfo:
+        iface._sendToRadioImpl(to_radio)
+    assert excinfo.value.kind == BLEInterface.BLEError.WRITE_ERROR
+
+
+@pytest.mark.unit
+def test_ble_receive_wraps_unexpected_bleak_error_with_kind():
+    """_receiveFromRadioImpl wraps unexpected BleakError with READ_ERROR."""
+    iface = object.__new__(BLEInterface)
+    iface.should_read = True
+    iface._want_receive = True
+    iface.client = MagicMock()
+    iface.client.read_gatt_char.side_effect = BleakError("some other BLE failure")
+    with pytest.raises(BLEInterface.BLEError) as excinfo:
+        iface._receiveFromRadioImpl()
+    assert excinfo.value.kind == BLEInterface.BLEError.READ_ERROR