feat: full implementation - switcher, device watcher, hotkeys, tray, settings UI

tests/test_switcher.py

@@ -0,0 +1,93 @@
+from unittest.mock import MagicMock, patch
+import pytest
+from config.config_manager import ConfigManager
+from core.switcher import MonitorSwitcher
+
+
+@pytest.fixture
+def config(tmp_path):
+    return ConfigManager(tmp_path / "config.json")
+
+
+def _make_mock_monitor():
+    m = MagicMock()
+    m.__enter__ = MagicMock(return_value=m)
+    m.__exit__ = MagicMock(return_value=False)
+    return m
+
+
+def test_apply_profile_sends_vcp_to_both_monitors(config):
+    mon0 = _make_mock_monitor()
+    mon1 = _make_mock_monitor()
+
+    with patch("core.switcher.get_monitors", return_value=[mon0, mon1]):
+        sw = MonitorSwitcher(config)
+        sw.apply_profile("pc1_dp")
+
+    mon0.set_vcp_feature.assert_called_once_with(0x60, 15)
+    mon1.set_vcp_feature.assert_called_once_with(0x60, 15)
+
+
+def test_apply_profile_hdmi(config):
+    mon0 = _make_mock_monitor()
+    mon1 = _make_mock_monitor()
+
+    with patch("core.switcher.get_monitors", return_value=[mon0, mon1]):
+        sw = MonitorSwitcher(config)
+        sw.apply_profile("pc2_hdmi")
+
+    mon0.set_vcp_feature.assert_called_once_with(0x60, 17)
+    mon1.set_vcp_feature.assert_called_once_with(0x60, 17)
+
+
+def test_apply_profile_skips_missing_monitor(config):
+    mon0 = _make_mock_monitor()
+
+    with patch("core.switcher.get_monitors", return_value=[mon0]):
+        sw = MonitorSwitcher(config)
+        sw.apply_profile("pc1_dp")
+
+    mon0.set_vcp_feature.assert_called_once_with(0x60, 15)
+
+
+def test_apply_profile_continues_on_monitor_error(config):
+    mon0 = _make_mock_monitor()
+    mon1 = _make_mock_monitor()
+    mon0.set_vcp_feature.side_effect = Exception("DDC/CI error")
+
+    with patch("core.switcher.get_monitors", return_value=[mon0, mon1]):
+        sw = MonitorSwitcher(config)
+        sw.apply_profile("pc1_dp")
+
+    mon1.set_vcp_feature.assert_called_once_with(0x60, 15)
+
+
+def test_apply_profile_unknown_profile_does_nothing(config):
+    with patch("core.switcher.get_monitors", return_value=[]) as mock_gm:
+        sw = MonitorSwitcher(config)
+        sw.apply_profile("nonexistent")
+    mock_gm.assert_not_called()
+
+
+def test_on_switch_callback_fires(config):
+    mon0 = _make_mock_monitor()
+    mon1 = _make_mock_monitor()
+    received = []
+
+    with patch("core.switcher.get_monitors", return_value=[mon0, mon1]):
+        sw = MonitorSwitcher(config)
+        sw.on_switch(lambda pid: received.append(pid))
+        sw.apply_profile("pc2_hdmi")
+
+    assert received == ["pc2_hdmi"]
+
+
+def test_apply_profile_updates_active_profile(config):
+    mon0 = _make_mock_monitor()
+    mon1 = _make_mock_monitor()
+
+    with patch("core.switcher.get_monitors", return_value=[mon0, mon1]):
+        sw = MonitorSwitcher(config)
+        sw.apply_profile("pc2_hdmi")
+
+    assert config.get_active_profile_id() == "pc2_hdmi"