Implement comprehensive browser path discovery for Windows

tests/test_cli_browser_connect.py

@@ -0,0 +1,43 @@
+"""Tests for CLI browser CDP auto-launch helpers."""
+
+from unittest.mock import patch
+
+from cli import HermesCLI
+
+
+class TestChromeDebugLaunch:
+    def test_windows_launch_uses_browser_found_on_path(self):
+        captured = {}
+
+        def fake_popen(cmd, **kwargs):
+            captured["cmd"] = cmd
+            captured["kwargs"] = kwargs
+            return object()
+
+        with patch("cli.shutil.which", side_effect=lambda name: r"C:\Chrome\chrome.exe" if name == "chrome.exe" else None), \
+             patch("cli.os.path.isfile", side_effect=lambda path: path == r"C:\Chrome\chrome.exe"), \
+             patch("subprocess.Popen", side_effect=fake_popen):
+            assert HermesCLI._try_launch_chrome_debug(9333, "Windows") is True
+
+        assert captured["cmd"] == [r"C:\Chrome\chrome.exe", "--remote-debugging-port=9333"]
+        assert captured["kwargs"]["start_new_session"] is True
+
+    def test_windows_launch_falls_back_to_common_install_dirs(self, monkeypatch):
+        captured = {}
+        installed = r"C:\Program Files\Google\Chrome\Application\chrome.exe"
+
+        def fake_popen(cmd, **kwargs):
+            captured["cmd"] = cmd
+            captured["kwargs"] = kwargs
+            return object()
+
+        monkeypatch.setenv("ProgramFiles", r"C:\Program Files")
+        monkeypatch.delenv("ProgramFiles(x86)", raising=False)
+        monkeypatch.delenv("LOCALAPPDATA", raising=False)
+
+        with patch("cli.shutil.which", return_value=None), \
+             patch("cli.os.path.isfile", side_effect=lambda path: path == installed), \
+             patch("subprocess.Popen", side_effect=fake_popen):
+            assert HermesCLI._try_launch_chrome_debug(9222, "Windows") is True
+
+        assert captured["cmd"] == [installed, "--remote-debugging-port=9222"]