r sadd myset a b c
r eval {return redis.call('sort','myset','by','_','get','#','get','_:*')} 0
} {{} {} {} a b c}
+
+ test "redis.sha1hex() implementation" {
+ list [r eval {return redis.sha1hex('')} 0] \
+ [r eval {return redis.sha1hex('Pizza & Mandolino')} 0]
+ } {da39a3ee5e6b4b0d3255bfef95601890afd80709 74822d82031af7493c20eefa13bd07ec4fada82f}
+
+ test {Globals protection reading an undeclared global variable} {
+ catch {r eval {return a} 0} e
+ set e
+ } {*ERR*attempted to access unexisting global*}
+
+ test {Globals protection setting an undeclared global*} {
+ catch {r eval {a=10} 0} e
+ set e
+ } {*ERR*attempted to create global*}
+
+ test {Test an example script DECR_IF_GT} {
+ set decr_if_gt {
+ local current
+
+ current = redis.call('get',KEYS[1])
+ if not current then return nil end
+ if current > ARGV[1] then
+ return redis.call('decr',KEYS[1])
+ else
+ return redis.call('get',KEYS[1])
+ end
+ }
+ r set foo 5
+ set res {}
+ lappend res [r eval $decr_if_gt 1 foo 2]
+ lappend res [r eval $decr_if_gt 1 foo 2]
+ lappend res [r eval $decr_if_gt 1 foo 2]
+ lappend res [r eval $decr_if_gt 1 foo 2]
+ lappend res [r eval $decr_if_gt 1 foo 2]
+ set res
+ } {4 3 2 2 2}
+
+ test {Scripting engine resets PRNG at every script execution} {
+ set rand1 [r eval {return tostring(math.random())} 0]
+ set rand2 [r eval {return tostring(math.random())} 0]
+ assert_equal $rand1 $rand2
+ }
+
+ test {Scripting engine PRNG can be seeded correctly} {
+ set rand1 [r eval {
+ math.randomseed(ARGV[1]); return tostring(math.random())
+ } 0 10]
+ set rand2 [r eval {
+ math.randomseed(ARGV[1]); return tostring(math.random())
+ } 0 10]
+ set rand3 [r eval {
+ math.randomseed(ARGV[1]); return tostring(math.random())
+ } 0 20]
+ assert_equal $rand1 $rand2
+ assert {$rand2 ne $rand3}
+ }
+}
+
+# Start a new server since the last test in this stanza will kill the
+# instance at all.
+start_server {tags {"scripting"}} {
+ test {Timedout read-only scripts can be killed by SCRIPT KILL} {
+ set rd [redis_deferring_client]
+ r config set lua-time-limit 10
+ $rd eval {while true do end} 0
+ after 200
+ catch {r ping} e
+ assert_match {BUSY*} $e
+ r script kill
+ assert_equal [r ping] "PONG"
+ }
+
+ test {Timedout scripts that modified data can't be killed by SCRIPT KILL} {
+ set rd [redis_deferring_client]
+ r config set lua-time-limit 10
+ $rd eval {redis.call('set','x','y'); while true do end} 0
+ after 200
+ catch {r ping} e
+ assert_match {BUSY*} $e
+ catch {r script kill} e
+ assert_match {ERR*} $e
+ catch {r ping} e
+ assert_match {BUSY*} $e
+ }
+
+ test {SHUTDOWN NOSAVE can kill a timedout script anyway} {
+ # The server sould be still unresponding to normal commands.
+ catch {r ping} e
+ assert_match {BUSY*} $e
+ catch {r shutdown nosave}
+ # Make sure the server was killed
+ catch {set rd [redis_deferring_client]} e
+ assert_match {*connection refused*} $e
+ }
}
start_server {tags {"scripting repl"}} {