Add test for CheckError bug

maigret/resources/db_meta.json

@@ -1,6 +1,6 @@
 {
     "version": 1,
-    "updated_at": "2026-05-05T20:17:24Z",
+    "updated_at": "2026-05-09T07:59:17Z",
     "sites_count": 3154,
     "min_maigret_version": "0.6.0",
     "data_sha256": "acf9d9fef8412bf05fa09d50c1ae363e5c8394597b1aaa3f98a9a1c4e31ca356",

sites.md

@@ -3158,7 +3158,7 @@ Rank data fetched from Majestic Million by domains.
 1. ![](https://www.google.com/s2/favicons?domain=https://app.airnfts.com) [AirNFTs (https://app.airnfts.com)](https://app.airnfts.com)*: top 100M, crypto, nft*
 1. ![](https://www.google.com/s2/favicons?domain=https://greasyfork.org) [GreasyFork (https://greasyfork.org)](https://greasyfork.org)*: top 100M, coding*
 
-The list was updated at (2026-05-05)
+The list was updated at (2026-05-09)
 ## Statistics
 
 Enabled/total sites: 2510/3154 = 79.58%

tests/test_checking.py

@@ -309,6 +309,16 @@ def test_process_site_result_with_error_is_unknown():
     assert out["status"].error is not None
 
 
+def test_process_site_result_error_context_uses_instance():
+    # Regression: context must render the CheckError instance, not the class.
+    site = _make_site({"checkType": "status_code"})
+    info = {"username": "a", "parsing_enabled": False, "url_user": "https://x/a"}
+    err = CheckError("Request timeout", "slow server")
+    out = process_site_result(("body", 0, err), Mock(), Mock(), info, site)
+    assert out["status"].context == "Request timeout error: slow server"
+    assert "class" not in out["status"].context
+
+
 # ---- CurlCffiChecker: TLS impersonation header sanitisation ----