Merge pull request #6 from AccelerationConsortium/copilot/mock-rpi-gpio-for-tests

Mock RPi.GPIO in tests for CI compatibility

Author: sgbaird

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## [Unreleased]
+
+### Fixed
+- 2025-11-19: tests: Add tests/conftest.py to mock RPi.GPIO in CI so pytest can run in non-Raspberry Pi environments. (Fixes job 55770449647)
+
 ## Version 0.1 (development)
 
 - Feature A added

tests/conftest.py

@@ -7,4 +7,37 @@
 - https://docs.pytest.org/en/stable/writing_plugins.html
 """
 
+import sys
+import types
+
+# Provide a minimal RPi.GPIO mock ONLY when running under pytest
+# This ensures the mock is never activated outside of test execution
+if 'pytest' in sys.modules or '_pytest' in sys.modules:
+    rpi = types.ModuleType('RPi')
+    gpio = types.ModuleType('RPi.GPIO')
+
+    def _noop(*args, **kwargs):
+        return None
+
+    gpio.setmode = _noop
+    gpio.setup = _noop
+    gpio.cleanup = _noop
+    gpio.input = lambda *args, **kwargs: 0
+    gpio.output = _noop
+    gpio.add_event_detect = _noop
+    gpio.remove_event_detect = _noop
+
+    # common constants
+    gpio.BOARD = 10
+    gpio.BCM = 11
+    gpio.IN = 0
+    gpio.OUT = 1
+    gpio.PUD_UP = 2
+    gpio.PUD_OFF = 20
+    gpio.LOW = 0
+
+    # register modules so `import RPi.GPIO as GPIO` works
+    sys.modules['RPi'] = rpi
+    sys.modules['RPi.GPIO'] = gpio
+
 # import pytest