From a97443655b2b27a8faab5bd61e9092bd429be958 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Thu, 10 Sep 2026 08:41:15 +0000
Subject: [PATCH] test: Add test for /etc/resolv.conf fallback

Adds a unit test `test_resolvers_unix_resolv_conf_oserror` to `tests/test_netinfo.py` to cover the `OSError` fallback logic when `/etc/resolv.conf` cannot be read in `_resolvers_unix`.

Co-authored-by: Horizontal42 <75383519+Horizontal42@users.noreply.github.com>
---
 tests/test_netinfo.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tests/test_netinfo.py b/tests/test_netinfo.py
index 7134cd9..ca6cbd3 100644
--- a/tests/test_netinfo.py
+++ b/tests/test_netinfo.py
@@ -334,3 +334,18 @@ def test_collect_local_net_no_network(mock_resolvers, mock_gw, mock_stats, mock_
     assert result.default_gateway_v6 is None
     assert result.is_dual_stack is False
     assert result.cgnat is False
+
+
+@patch("netsleuth.netinfo.subprocess.run")
+@patch("builtins.open")
+def test_resolvers_unix_resolv_conf_oserror(mock_open, mock_run):
+    from netsleuth.netinfo import _resolvers_unix
+
+    mock_open.side_effect = OSError("No such file or directory")
+
+    mock_scutil = mock_run.return_value
+    mock_scutil.stdout = ""
+
+    result = _resolvers_unix()
+
+    assert result == {}