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#!/usr/bin/env bash
. ./test.common
test_start "source selection"
# Falsetickers should be detected if their number is less than half of all
base_delay=1e-3
servers=5
for falsetickers in 1 2; do
run_test || test_fail
check_chronyd_exit || test_fail
check_source_selection || test_fail
check_packet_interval || test_fail
check_sync || test_fail
done
for falsetickers in 3 4; do
run_test || test_fail
check_chronyd_exit || test_fail
check_packet_interval || test_fail
# These check are expected to fail
check_source_selection && test_fail
check_sync && test_fail
if [ $falsetickers = 3 ]; then
check_log_messages "Can't synchronise: no majority (only 2 of 5 sources agree)" 1 1 || test_fail
else
check_log_messages "Can't synchronise: no majority (no agreement among 5 sources)" 1 1 || test_fail
fi
done
# Sources with large asymmetric delay should be excluded
servers=3
falsetickers=0
base_delay="(+ 1e-3 (equal 0.1 to 2) (equal 0.1 to 3))"
run_test || test_fail
check_chronyd_exit || test_fail
check_source_selection || test_fail
check_sync || test_fail
# Sources with large distance should be ignored
servers=1
server_strata=2
server_conf="maxclockerror 1000"
jitter=1e-7
base_delay="(* -1.0 (equal 0.1 (min time 600) 600) (equal 0.1 from 2) (equal 0.1 to 1))"
run_test || test_fail
check_chronyd_exit || test_fail
check_packet_interval || test_fail
check_source_selection && test_fail
check_sync && test_fail
check_log_messages "Root distance of 192\.168\.123\.2 exceeds maxdistance of 3\." 1 1 || test_fail
# Sources with large jitter should be ignored
server_strata=1
server_conf=$default_server_conf
server_step="(pulse 64 64)"
base_delay=$default_base_delay
run_test || test_fail
check_chronyd_exit || test_fail
check_packet_interval || test_fail
check_source_selection && test_fail
check_sync && test_fail
check_log_messages "Jitter of 192\.168\.123\.1 exceeds maxjitter of 1\." 1 1 || test_fail
test_pass
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