valkey/tests/unit/introspection.tcl

start_server {tags {"introspection"}} {
    test {CLIENT LIST} {
        r client list
    } {*addr=*:* fd=* age=* idle=* flags=N db=9 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=* obl=0 oll=0 omem=0 events=r cmd=client*}

    test {MONITOR can log executed commands} {
        set rd [redis_deferring_client]
        $rd monitor
        r set foo bar
        r get foo
        list [$rd read] [$rd read] [$rd read]
    } {*OK*"set" "foo"*"get" "foo"*}

    test {MONITOR can log commands issued by the scripting engine} {
        set rd [redis_deferring_client]
        $rd monitor
        r eval {redis.call('set',KEYS[1],ARGV[1])} 1 foo bar
        $rd read ;# Discard the OK
        assert_match {*eval*} [$rd read]
        assert_match {*lua*"set"*"foo"*"bar"*} [$rd read]
    }

    test {CLIENT GETNAME should return NIL if name is not assigned} {
        r client getname
    } {}

    test {CLIENT LIST shows empty fields for unassigned names} {
        r client list
    } {*name= *}
    
    test {CLIENT SETNAME does not accept spaces} {
        catch {r client setname "foo bar"} e
        set e
    } {ERR*}

    test {CLIENT SETNAME can assign a name to this connection} {
        assert_equal [r client setname myname] {OK}
        r client list
    } {*name=myname*}

    test {CLIENT SETNAME can change the name of an existing connection} {
        assert_equal [r client setname someothername] {OK}
        r client list
    } {*name=someothername*}

    test {After CLIENT SETNAME, connection can still be closed} {
        set rd [redis_deferring_client]
        $rd client setname foobar
        assert_equal [$rd read] "OK"
        assert_match {*foobar*} [r client list]
        $rd close
        # Now the client should no longer be listed
        wait_for_condition 50 100 {
            [string match {*foobar*} [r client list]] == 0
        } else {
            fail "Client still listed in CLIENT LIST after SETNAME."
        }
    }
}