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#!/bin/bash
# Test: Domain, host, and hostname validation
. "$(dirname "$0")/../lib/setup.sh"
oneTimeTearDown() { rm -rf "${MOCK_ROOT:-}"; }
testIsHost() {
assertTrue "Simple hostname" "is_host 'router'"
assertTrue "Hostname with hyphen" "is_host 'my-host'"
assertTrue "Hostname with numbers" "is_host 'host123'"
assertTrue "Single character" "is_host 'A'"
assertFalse "Empty string" "is_host ''"
assertFalse "Starts with hyphen" "is_host '-invalid'"
}
testIsHostname() {
assertTrue "Simple domain" "is_hostname 'example.com'"
assertTrue "Subdomain" "is_hostname 'sub.example.com'"
assertTrue "Deep subdomain" "is_hostname 'deep.sub.example.com'"
assertTrue "Hyphenated with ccTLD" "is_hostname 'my-site.co.uk'"
assertFalse "Single label" "is_hostname 'localhost'"
assertFalse "Empty string" "is_hostname ''"
assertFalse "IP address" "is_hostname '192.168.1.1'"
}
testIsPunycode() {
# Multi-label names where at least one label is xn--*
assertTrue "Punycode label, ASCII TLD" "is_punycode 'xn--bcher-kva.de'"
assertTrue "ASCII label, punycode TLD (.рф)" "is_punycode 'example.xn--p1ai'"
assertTrue "Punycode label, punycode TLD (пример.бел)" "is_punycode 'xn--e1adjldbbpv.xn--90ais'"
assertTrue "Punycode label, .рф TLD" "is_punycode 'xn--80aaa1cvac.xn--p1ai'"
# Plain ASCII names should NOT match is_punycode (they go through is_hostname)
assertFalse "Plain ASCII domain" "is_punycode 'example.com'"
assertFalse "ASCII subdomain" "is_punycode 'sub.example.com'"
# Single-label cases go through is_host, not is_punycode
assertFalse "Bare punycode TLD (single label)" "is_punycode 'xn--p1ai'"
assertFalse "Single label localhost" "is_punycode 'localhost'"
# Unicode forms rejected (deferred)
assertFalse "Unicode label rejected (deferred)" "is_punycode 'пример.бел'"
assertFalse "Unicode label rejected (deferred)" "is_punycode 'bücher.de'"
# Edge cases
assertFalse "Empty string" "is_punycode ''"
assertFalse "IP address" "is_punycode '192.168.1.1'"
}
testIsDomain() {
assertTrue "Standard domain" "is_domain 'example.com'"
assertTrue "Single-label host" "is_domain 'router'"
assertTrue "Local domain" "is_domain 'my-server.local'"
assertFalse "IPv4 not a domain" "is_domain '192.168.1.1'"
assertFalse "Empty string" "is_domain ''"
assertFalse "Bad MAC notation" "is_domain 'AA-BB-CC-DD-EE-FF'"
}
testIsDomainPunycode() {
# is_domain composes is_host || is_hostname || is_punycode — all paths covered
assertTrue "Bare punycode TLD via is_host" "is_domain 'xn--p1ai'"
assertTrue "Bare punycode TLD via is_host" "is_domain 'xn--90ais'"
assertTrue "Punycode label, ASCII TLD" "is_domain 'xn--bcher-kva.de'"
assertTrue "ASCII label, punycode TLD" "is_domain 'example.xn--p1ai'"
assertTrue "Punycode label, punycode TLD" "is_domain 'xn--e1adjldbbpv.xn--90ais'"
assertFalse "Unicode form rejected (deferred)" "is_domain 'пример.бел'"
assertFalse "Unicode form rejected (deferred)" "is_domain 'bücher.de'"
}
. shunit2
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