+start_server {
+ tags {"sort"}
+ overrides {
+ "list-max-ziplist-value" 16
+ "list-max-ziplist-entries" 32
+ "set-max-intset-entries" 32
+ }
+} {
+ proc create_random_dataset {num cmd} {
+ set tosort {}
+ set result {}
+ array set seenrand {}
+ r del tosort
+ for {set i 0} {$i < $num} {incr i} {
+ # Make sure all the weights are different because
+ # Redis does not use a stable sort but Tcl does.
+ while 1 {
+ randpath {
+ set rint [expr int(rand()*1000000)]
+ } {
+ set rint [expr rand()]
+ }
+ if {![info exists seenrand($rint)]} break
+ }
+ set seenrand($rint) x
+ r $cmd tosort $i
+ r set weight_$i $rint
+ r hset wobj_$i weight $rint
+ lappend tosort [list $i $rint]
+ }
+ set sorted [lsort -index 1 -real $tosort]
+ for {set i 0} {$i < $num} {incr i} {
+ lappend result [lindex $sorted $i 0]
+ }
+ set _ $result
+ }
+
+ foreach {num cmd enc title} {
+ 16 lpush ziplist "Ziplist"
+ 1000 lpush linkedlist "Linked list"
+ 10000 lpush linkedlist "Big Linked list"
+ 16 sadd intset "Intset"
+ 1000 sadd hashtable "Hash table"
+ 10000 sadd hashtable "Big Hash table"
+ } {
+ set result [create_random_dataset $num $cmd]
+ assert_encoding $enc tosort
+
+ test "$title: SORT BY key" {
+ assert_equal $result [r sort tosort BY weight_*]
+ }
+
+ test "$title: SORT BY key with limit" {
+ assert_equal [lrange $result 5 9] [r sort tosort BY weight_* LIMIT 5 5]
+ }
+
+ test "$title: SORT BY hash field" {
+ assert_equal $result [r sort tosort BY wobj_*->weight]
+ }
+ }
+
+ set result [create_random_dataset 16 lpush]
+ test "SORT GET #" {
+ assert_equal [lsort -integer $result] [r sort tosort GET #]
+ }
+
+ test "SORT GET <const>" {
+ r del foo
+ set res [r sort tosort GET foo]
+ assert_equal 16 [llength $res]
+ foreach item $res { assert_equal {} $item }
+ }
+
+ test "SORT GET (key and hash) with sanity check" {
+ set l1 [r sort tosort GET # GET weight_*]
+ set l2 [r sort tosort GET # GET wobj_*->weight]
+ foreach {id1 w1} $l1 {id2 w2} $l2 {
+ assert_equal $id1 $id2
+ assert_equal $w1 [r get weight_$id1]
+ assert_equal $w2 [r get weight_$id1]
+ }
+ }
+
+ test "SORT BY key STORE" {
+ r sort tosort BY weight_* store sort-res
+ assert_equal $result [r lrange sort-res 0 -1]
+ assert_equal 16 [r llen sort-res]
+ assert_encoding ziplist sort-res
+ }
+
+ test "SORT BY hash field STORE" {
+ r sort tosort BY wobj_*->weight store sort-res
+ assert_equal $result [r lrange sort-res 0 -1]
+ assert_equal 16 [r llen sort-res]
+ assert_encoding ziplist sort-res
+ }
+
+ test "SORT DESC" {
+ assert_equal [lsort -decreasing -integer $result] [r sort tosort DESC]
+ }
+
+ test "SORT ALPHA against integer encoded strings" {