Add platform skip markers for Windows-only tests

Author: tbdye

tests/unit/test_launcher.py

@@ -11,6 +11,8 @@
 
 import pytest
 
+pytestmark = pytest.mark.skipif(sys.platform != "win32", reason="Windows-only")
+
 
 @pytest.fixture
 def mock_popen(monkeypatch):

tests/unit/test_platform.py

@@ -908,6 +908,7 @@ def fake_kill(pid, sig):
         assert 42 in result
         assert (42, signal.SIGKILL) in signals_sent
 
+    @pytest.mark.skipif(not hasattr(signal, "CTRL_BREAK_EVENT"), reason="Windows-only signal")
     def test_kill_pids_sends_ctrl_break_on_windows(self, monkeypatch):
         """On Windows, sends CTRL_BREAK_EVENT."""
         import signal
@@ -927,6 +928,7 @@ def fake_kill(pid, sig):
         assert 42 in result
         assert (42, signal.CTRL_BREAK_EVENT) in signals_sent
 
+    @pytest.mark.skipif(not hasattr(signal, "CTRL_BREAK_EVENT"), reason="Windows-only signal")
     def test_kill_pids_force_kills_with_taskkill(self, monkeypatch):
         """On Windows, uses taskkill /F when pid survives CTRL_BREAK."""
         import signal

tests/unit/test_tray.py

@@ -111,9 +111,14 @@ def test_build_menu_with_mounts(self, tray_app, fake_pystray):
         assert menu.items[0].text == "D: - image.hdf"
 
     def test_build_menu_mount_label_format(self, tray_app, fake_pystray):
-        """Label format is 'D: - image.hdf'."""
+        """Label format is 'E: - work.adf'."""
+        # Use a platform-appropriate path so Path().name extracts just the filename
+        if sys.platform == "win32":
+            image_path = "C:\\disks\\work.adf"
+        else:
+            image_path = "/disks/work.adf"
         tray_app._mounts = [
-            {"pid": 100, "mountpoint": "E:", "image": "C:\\disks\\work.adf"},
+            {"pid": 100, "mountpoint": "E:", "image": image_path},
         ]
         menu = tray_app._build_menu()
         assert menu.items[0].text == "E: - work.adf"
@@ -289,6 +294,7 @@ def fake_find():
 # ---------------------------------------------------------------------------
 
 
+@pytest.mark.skipif(sys.platform != "win32", reason="Windows-only: ctypes.windll")
 class TestSingleInstance:
     def test_single_instance_acquired(self, monkeypatch):
         """CreateMutexW succeeds, GetLastError != 183."""
@@ -519,6 +525,7 @@ def test_mount_label_uses_image_key(self, tray_app, fake_pystray):
         assert "game.hdf" in mount_label
 
 
+@pytest.mark.skipif(sys.platform != "win32", reason="Windows-only: pythonw.exe logic")
 class TestInspectUsesPythonExe:
     def test_inspect_uses_python_exe(self, tray_app, fake_pystray, monkeypatch):
         """Inspect resolves python.exe not pythonw.exe/sys.executable."""

tests/unit/test_windows_shell.py

@@ -13,6 +13,8 @@
 
 import pytest
 
+pytestmark = pytest.mark.skipif(sys.platform != "win32", reason="Windows-only")
+
 
 # ---------------------------------------------------------------------------
 # Fake winreg implementation