Test that update_ips raises RuntimeError when no IPs returned.

Test that update_ips orders IPv6 addresses before IPv4.

Test that update_ips rejects loopback addresses.

Test that update_ips rejects private/non-global IPv4 addresses.

Test that update_ips rejects non-global IPv6 addresses (documentation prefix).

Test that update_ips rejects unspecified address (0.0.0.0).

Test that update_ips resolves IPv4 addresses.

Test that update_ips resolves IPv6 addresses.

Test update_ips handles multiple address families correctly.

Verify update_tracker preserves JSON structure for list fields.

Test update_status when announce fails.

Test update_status handles DNS resolution failure.

Test update_status with successful HTTP announce.

Test that tracker unresponsive for too long is marked for deletion.

Test that interval is set to 10800 when uptime is 0.

Test update_status with successful UDP announce.

Verify latency is calculated and stored after successful scrape.

Insert tracker in DB, call update_status() with mocked scraper, verify status, uptime, historic updated, and db.update_tracker() persists chan

Verify that update_tracker JSON serializes updated countries.

Verify that update_tracker JSON serializes updated country codes.

Verify that update_tracker JSON serializes updated historic.

Verify that update_tracker updates interval.

Verify that update_tracker JSON serializes updated IPs.

Verify that update_tracker updates last_checked.

Verify that update_tracker updates last_downtime.

Verify that update_tracker updates last_uptime.

Verify that update_tracker updates latency.

Verify that update_tracker JSON serializes updated networks.

Verify that update_tracker updates status.

Verify that update_tracker updates uptime.

Verify that update_tracker updates the URL field.

Test uptime calculation with 75% uptime.

Test uptime calculation when all entries are down.

Test uptime calculation when all entries are up.

Test uptime calculation with mixed up/down entries.

Test uptime calculation with single down entry.

Test uptime calculation with single up entry.

Test that log_wrong_interval_denial updates submitted_data correctly.

Test that /announce path is added to URL.

Test that HTTP scheme is accepted.

Test that HTTPS scheme is accepted.

Test that invalid characters in netloc are rejected.

Test that FTP scheme is rejected.

Test that WebSocket scheme is rejected.

Test that existing path is replaced with /announce.

Test that UDP scheme is accepted.

Test that spaces in URL are rejected.

Should handle various SQLite data types.

warn_of_ip_conflicts_periodically should run loop body every 120 seconds.

warn_of_ip_conflicts should fetch data once and fan out to both warning paths.

Should show 'Working' for tracker that was never down.

Should format working tracker with downtime history.

Should show 'Working' when last_downtime is 0 (falsy).

Should return '0 seconds' for current time.