add unit tests for RemoteHardwareClient()

meshtastic/tests/test_remote_hardware.py

@@ -0,0 +1,85 @@
+"""Meshtastic unit tests for remote_hardware.py"""
+
+import logging
+import re
+
+from unittest.mock import patch, MagicMock
+import pytest
+
+from ..remote_hardware import RemoteHardwareClient, onGPIOreceive
+from ..serial_interface import SerialInterface
+
+
+@pytest.mark.unit
+def test_RemoteHardwareClient():
+    """Test that we can instantiate a RemoteHardwareClient instance"""
+    iface = MagicMock(autospec=SerialInterface)
+    rhw = RemoteHardwareClient(iface)
+    assert rhw.iface == iface
+    iface.close()
+
+
+@pytest.mark.unit
+def test_onGPIOreceive(capsys):
+    """Test onGPIOreceive"""
+    iface = MagicMock(autospec=SerialInterface)
+    packet = {'decoded': {'remotehw': {'typ': 'foo', 'gpioValue': 'bar' }}}
+    onGPIOreceive(packet, iface)
+    out, err = capsys.readouterr()
+    assert re.search(r'Received RemoteHardware', out)
+    assert err == ''
+
+
+@pytest.mark.unit
+def test_RemoteHardwareClient_no_gpio_channel():
+    """Test that we can instantiate a RemoteHardwareClient instance but cannot get channel gpio"""
+    iface = MagicMock(autospec=SerialInterface)
+    with patch('meshtastic.serial_interface.SerialInterface', return_value=iface) as mo:
+        mo.localNode.getChannelByName.return_value = None
+        with pytest.raises(Exception) as pytest_wrapped_e:
+            RemoteHardwareClient(mo)
+        assert pytest_wrapped_e.type == Exception
+
+
+@pytest.mark.unit
+def test_readGPIOs(caplog):
+    """Test readGPIOs"""
+    iface = MagicMock(autospec=SerialInterface)
+    rhw = RemoteHardwareClient(iface)
+    with caplog.at_level(logging.DEBUG):
+        rhw.readGPIOs('0x10', 123)
+    assert re.search(r'readGPIOs', caplog.text, re.MULTILINE)
+    iface.close()
+
+
+@pytest.mark.unit
+def test_writeGPIOs(caplog):
+    """Test writeGPIOs"""
+    iface = MagicMock(autospec=SerialInterface)
+    rhw = RemoteHardwareClient(iface)
+    with caplog.at_level(logging.DEBUG):
+        rhw.writeGPIOs('0x10', 123, 1)
+    assert re.search(r'writeGPIOs', caplog.text, re.MULTILINE)
+    iface.close()
+
+
+@pytest.mark.unit
+def test_watchGPIOs(caplog):
+    """Test watchGPIOs"""
+    iface = MagicMock(autospec=SerialInterface)
+    rhw = RemoteHardwareClient(iface)
+    with caplog.at_level(logging.DEBUG):
+        rhw.watchGPIOs('0x10', 123)
+    assert re.search(r'watchGPIOs', caplog.text, re.MULTILINE)
+    iface.close()
+
+
+@pytest.mark.unit
+def test_sendHardware_no_nodeid():
+    """Test sending no nodeid to _sendHardware()"""
+    iface = MagicMock(autospec=SerialInterface)
+    with patch('meshtastic.serial_interface.SerialInterface', return_value=iface) as mo:
+        with pytest.raises(Exception) as pytest_wrapped_e:
+            rhw = RemoteHardwareClient(mo)
+            rhw._sendHardware(None, None)
+        assert pytest_wrapped_e.type == Exception