CI: test on hardware

.github/workflows/pytest-on-hardware.yml

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+name: pytest on hardware
+
+on: [push, pull_request]
+
+jobs:
+  python-pytest:
+    name: Python pytest on hardware
+    runs-on: [self-hosted, dut-usb-sd-mux]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade pytest pytest-mock
+      - name: Run pytest
+        run: |
+          python -m pytest -vv

tests/test_on_hardware.py

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+import pathlib
+import time
+
+import pytest
+
+from usbsdmux.usbsdmux import autoselect_driver
+
+
+@pytest.fixture
+def mux():
+    usbsdmux_path = pathlib.Path("/dev/usb-sd-mux")
+
+    while True:
+        time.sleep(0.5)
+
+        if not usbsdmux_path.is_dir():
+            continue
+
+        muxes = list(str(d) for d in usbsdmux_path.iterdir() if d.is_symlink())
+
+        if len(muxes) >= 1:
+            return autoselect_driver(muxes[0])
+
+
+def test_switching(mux):
+    print("Switch to DUT mode")
+    mux.mode_DUT()
+
+    print("Switch to host mode")
+    mux.mode_host()