T-585 Chrome 路径自动检测

tests/test_gui.py

@@ -889,6 +889,11 @@ class GuiTests(TempDirMixin, unittest.TestCase):
             )
             self.assertEqual("选择...", tab.chrome_path_browse_button.text())
             self.assertEqual("chromePathBrowseButton", tab.chrome_path_browse_button.objectName())
+            self.assertEqual("自动检测", tab.chrome_path_detect_button.text())
+            self.assertEqual(
+                "chromePathAutoDetectButton",
+                tab.chrome_path_detect_button.objectName(),
+            )
             self.assertIs(
                 tab.chrome_path_widget.layout().itemAt(0).widget(),
                 tab.chrome_path_edit,
@@ -897,6 +902,10 @@ class GuiTests(TempDirMixin, unittest.TestCase):
                 tab.chrome_path_widget.layout().itemAt(1).widget(),
                 tab.chrome_path_browse_button,
             )
+            self.assertIs(
+                tab.chrome_path_widget.layout().itemAt(2).widget(),
+                tab.chrome_path_detect_button,
+            )
 
         self.assert_removed(temp_dir)
 
@@ -942,6 +951,53 @@ class GuiTests(TempDirMixin, unittest.TestCase):
 
         self.assert_removed(temp_dir)
 
+    def test_settings_tab_auto_detects_chrome_without_saving(self):
+        with self.make_temp_dir() as temp_dir:
+            cfg = self.make_config(temp_dir)
+            statuses = []
+            tab = SettingsTab(config=cfg, status_callback=statuses.append)
+            self.addCleanup(tab.close)
+            detected = os.path.join(temp_dir, "Chrome", "chrome.exe")
+
+            with mock.patch(
+                "app.gui.tabs.settings.chrome.detect_chrome_path",
+                return_value=detected,
+            ):
+                tab.chrome_path_detect_button.click()
+
+            self.assertEqual(detected, tab.chrome_path_edit.text())
+            self.assertTrue(tab.is_dirty())
+            self.assertFalse(os.path.exists(cfg["config_path"]))
+            self.assertIn("已自动定位 Chrome", statuses[-1])
+
+            tab._set_dirty(False)
+            previous = tab.chrome_path_edit.text()
+            with mock.patch(
+                "app.gui.tabs.settings.chrome.detect_chrome_path",
+                return_value="",
+            ):
+                tab.chrome_path_detect_button.click()
+
+            self.assertEqual(previous, tab.chrome_path_edit.text())
+            self.assertFalse(tab.is_dirty())
+            self.assertIn("未找到 Chrome", statuses[-1])
+
+        self.assert_removed(temp_dir)
+
+    def test_main_window_keeps_startup_chrome_detection_status(self):
+        with self.make_temp_dir() as temp_dir:
+            message = "已自动定位 Chrome：C:\\Chrome\\chrome.exe"
+            window = MainWindow(
+                config=self.make_config(temp_dir),
+                startup_status=message,
+            )
+            self.addCleanup(window.close)
+
+            self.assertEqual(message, window.statusBar().currentMessage())
+            self.assertIn(gui.COLOR_SUCCESS, window.statusBar().styleSheet())
+
+        self.assert_removed(temp_dir)
+
     def test_settings_tab_adds_saves_and_deletes_model(self):
         with self.make_temp_dir() as temp_dir:
             cfg = self.make_config(temp_dir)