xref: /f-stack/app/redis-5.0.5/tests/unit/type/zset.tcl (revision 572c4311)
1start_server {tags {"zset"}} {
2    proc create_zset {key items} {
3        r del $key
4        foreach {score entry} $items {
5            r zadd $key $score $entry
6        }
7    }
8
9    proc basics {encoding} {
10        if {$encoding == "ziplist"} {
11            r config set zset-max-ziplist-entries 128
12            r config set zset-max-ziplist-value 64
13        } elseif {$encoding == "skiplist"} {
14            r config set zset-max-ziplist-entries 0
15            r config set zset-max-ziplist-value 0
16        } else {
17            puts "Unknown sorted set encoding"
18            exit
19        }
20
21        test "Check encoding - $encoding" {
22            r del ztmp
23            r zadd ztmp 10 x
24            assert_encoding $encoding ztmp
25        }
26
27        test "ZSET basic ZADD and score update - $encoding" {
28            r del ztmp
29            r zadd ztmp 10 x
30            r zadd ztmp 20 y
31            r zadd ztmp 30 z
32            assert_equal {x y z} [r zrange ztmp 0 -1]
33
34            r zadd ztmp 1 y
35            assert_equal {y x z} [r zrange ztmp 0 -1]
36        }
37
38        test "ZSET element can't be set to NaN with ZADD - $encoding" {
39            assert_error "*not*float*" {r zadd myzset nan abc}
40        }
41
42        test "ZSET element can't be set to NaN with ZINCRBY" {
43            assert_error "*not*float*" {r zadd myzset nan abc}
44        }
45
46        test "ZADD with options syntax error with incomplete pair" {
47            r del ztmp
48            catch {r zadd ztmp xx 10 x 20} err
49            set err
50        } {ERR*}
51
52        test "ZADD XX option without key - $encoding" {
53            r del ztmp
54            assert {[r zadd ztmp xx 10 x] == 0}
55            assert {[r type ztmp] eq {none}}
56        }
57
58        test "ZADD XX existing key - $encoding" {
59            r del ztmp
60            r zadd ztmp 10 x
61            assert {[r zadd ztmp xx 20 y] == 0}
62            assert {[r zcard ztmp] == 1}
63        }
64
65        test "ZADD XX returns the number of elements actually added" {
66            r del ztmp
67            r zadd ztmp 10 x
68            set retval [r zadd ztmp 10 x 20 y 30 z]
69            assert {$retval == 2}
70        }
71
72        test "ZADD XX updates existing elements score" {
73            r del ztmp
74            r zadd ztmp 10 x 20 y 30 z
75            r zadd ztmp xx 5 foo 11 x 21 y 40 zap
76            assert {[r zcard ztmp] == 3}
77            assert {[r zscore ztmp x] == 11}
78            assert {[r zscore ztmp y] == 21}
79        }
80
81        test "ZADD XX and NX are not compatible" {
82            r del ztmp
83            catch {r zadd ztmp xx nx 10 x} err
84            set err
85        } {ERR*}
86
87        test "ZADD NX with non existing key" {
88            r del ztmp
89            r zadd ztmp nx 10 x 20 y 30 z
90            assert {[r zcard ztmp] == 3}
91        }
92
93        test "ZADD NX only add new elements without updating old ones" {
94            r del ztmp
95            r zadd ztmp 10 x 20 y 30 z
96            assert {[r zadd ztmp nx 11 x 21 y 100 a 200 b] == 2}
97            assert {[r zscore ztmp x] == 10}
98            assert {[r zscore ztmp y] == 20}
99            assert {[r zscore ztmp a] == 100}
100            assert {[r zscore ztmp b] == 200}
101        }
102
103        test "ZADD INCR works like ZINCRBY" {
104            r del ztmp
105            r zadd ztmp 10 x 20 y 30 z
106            r zadd ztmp INCR 15 x
107            assert {[r zscore ztmp x] == 25}
108        }
109
110        test "ZADD INCR works with a single score-elemenet pair" {
111            r del ztmp
112            r zadd ztmp 10 x 20 y 30 z
113            catch {r zadd ztmp INCR 15 x 10 y} err
114            set err
115        } {ERR*}
116
117        test "ZADD CH option changes return value to all changed elements" {
118            r del ztmp
119            r zadd ztmp 10 x 20 y 30 z
120            assert {[r zadd ztmp 11 x 21 y 30 z] == 0}
121            assert {[r zadd ztmp ch 12 x 22 y 30 z] == 2}
122        }
123
124        test "ZINCRBY calls leading to NaN result in error" {
125            r zincrby myzset +inf abc
126            assert_error "*NaN*" {r zincrby myzset -inf abc}
127        }
128
129        test {ZADD - Variadic version base case} {
130            r del myzset
131            list [r zadd myzset 10 a 20 b 30 c] [r zrange myzset 0 -1 withscores]
132        } {3 {a 10 b 20 c 30}}
133
134        test {ZADD - Return value is the number of actually added items} {
135            list [r zadd myzset 5 x 20 b 30 c] [r zrange myzset 0 -1 withscores]
136        } {1 {x 5 a 10 b 20 c 30}}
137
138        test {ZADD - Variadic version does not add nothing on single parsing err} {
139            r del myzset
140            catch {r zadd myzset 10 a 20 b 30.badscore c} e
141            assert_match {*ERR*not*float*} $e
142            r exists myzset
143        } {0}
144
145        test {ZADD - Variadic version will raise error on missing arg} {
146            r del myzset
147            catch {r zadd myzset 10 a 20 b 30 c 40} e
148            assert_match {*ERR*syntax*} $e
149        }
150
151        test {ZINCRBY does not work variadic even if shares ZADD implementation} {
152            r del myzset
153            catch {r zincrby myzset 10 a 20 b 30 c} e
154            assert_match {*ERR*wrong*number*arg*} $e
155        }
156
157        test "ZCARD basics - $encoding" {
158            r del ztmp
159            r zadd ztmp 10 a 20 b 30 c
160            assert_equal 3 [r zcard ztmp]
161            assert_equal 0 [r zcard zdoesntexist]
162        }
163
164        test "ZREM removes key after last element is removed" {
165            r del ztmp
166            r zadd ztmp 10 x
167            r zadd ztmp 20 y
168
169            assert_equal 1 [r exists ztmp]
170            assert_equal 0 [r zrem ztmp z]
171            assert_equal 1 [r zrem ztmp y]
172            assert_equal 1 [r zrem ztmp x]
173            assert_equal 0 [r exists ztmp]
174        }
175
176        test "ZREM variadic version" {
177            r del ztmp
178            r zadd ztmp 10 a 20 b 30 c
179            assert_equal 2 [r zrem ztmp x y a b k]
180            assert_equal 0 [r zrem ztmp foo bar]
181            assert_equal 1 [r zrem ztmp c]
182            r exists ztmp
183        } {0}
184
185        test "ZREM variadic version -- remove elements after key deletion" {
186            r del ztmp
187            r zadd ztmp 10 a 20 b 30 c
188            r zrem ztmp a b c d e f g
189        } {3}
190
191        test "ZRANGE basics - $encoding" {
192            r del ztmp
193            r zadd ztmp 1 a
194            r zadd ztmp 2 b
195            r zadd ztmp 3 c
196            r zadd ztmp 4 d
197
198            assert_equal {a b c d} [r zrange ztmp 0 -1]
199            assert_equal {a b c} [r zrange ztmp 0 -2]
200            assert_equal {b c d} [r zrange ztmp 1 -1]
201            assert_equal {b c} [r zrange ztmp 1 -2]
202            assert_equal {c d} [r zrange ztmp -2 -1]
203            assert_equal {c} [r zrange ztmp -2 -2]
204
205            # out of range start index
206            assert_equal {a b c} [r zrange ztmp -5 2]
207            assert_equal {a b} [r zrange ztmp -5 1]
208            assert_equal {} [r zrange ztmp 5 -1]
209            assert_equal {} [r zrange ztmp 5 -2]
210
211            # out of range end index
212            assert_equal {a b c d} [r zrange ztmp 0 5]
213            assert_equal {b c d} [r zrange ztmp 1 5]
214            assert_equal {} [r zrange ztmp 0 -5]
215            assert_equal {} [r zrange ztmp 1 -5]
216
217            # withscores
218            assert_equal {a 1 b 2 c 3 d 4} [r zrange ztmp 0 -1 withscores]
219        }
220
221        test "ZREVRANGE basics - $encoding" {
222            r del ztmp
223            r zadd ztmp 1 a
224            r zadd ztmp 2 b
225            r zadd ztmp 3 c
226            r zadd ztmp 4 d
227
228            assert_equal {d c b a} [r zrevrange ztmp 0 -1]
229            assert_equal {d c b} [r zrevrange ztmp 0 -2]
230            assert_equal {c b a} [r zrevrange ztmp 1 -1]
231            assert_equal {c b} [r zrevrange ztmp 1 -2]
232            assert_equal {b a} [r zrevrange ztmp -2 -1]
233            assert_equal {b} [r zrevrange ztmp -2 -2]
234
235            # out of range start index
236            assert_equal {d c b} [r zrevrange ztmp -5 2]
237            assert_equal {d c} [r zrevrange ztmp -5 1]
238            assert_equal {} [r zrevrange ztmp 5 -1]
239            assert_equal {} [r zrevrange ztmp 5 -2]
240
241            # out of range end index
242            assert_equal {d c b a} [r zrevrange ztmp 0 5]
243            assert_equal {c b a} [r zrevrange ztmp 1 5]
244            assert_equal {} [r zrevrange ztmp 0 -5]
245            assert_equal {} [r zrevrange ztmp 1 -5]
246
247            # withscores
248            assert_equal {d 4 c 3 b 2 a 1} [r zrevrange ztmp 0 -1 withscores]
249        }
250
251        test "ZRANK/ZREVRANK basics - $encoding" {
252            r del zranktmp
253            r zadd zranktmp 10 x
254            r zadd zranktmp 20 y
255            r zadd zranktmp 30 z
256            assert_equal 0 [r zrank zranktmp x]
257            assert_equal 1 [r zrank zranktmp y]
258            assert_equal 2 [r zrank zranktmp z]
259            assert_equal "" [r zrank zranktmp foo]
260            assert_equal 2 [r zrevrank zranktmp x]
261            assert_equal 1 [r zrevrank zranktmp y]
262            assert_equal 0 [r zrevrank zranktmp z]
263            assert_equal "" [r zrevrank zranktmp foo]
264        }
265
266        test "ZRANK - after deletion - $encoding" {
267            r zrem zranktmp y
268            assert_equal 0 [r zrank zranktmp x]
269            assert_equal 1 [r zrank zranktmp z]
270        }
271
272        test "ZINCRBY - can create a new sorted set - $encoding" {
273            r del zset
274            r zincrby zset 1 foo
275            assert_equal {foo} [r zrange zset 0 -1]
276            assert_equal 1 [r zscore zset foo]
277        }
278
279        test "ZINCRBY - increment and decrement - $encoding" {
280            r zincrby zset 2 foo
281            r zincrby zset 1 bar
282            assert_equal {bar foo} [r zrange zset 0 -1]
283
284            r zincrby zset 10 bar
285            r zincrby zset -5 foo
286            r zincrby zset -5 bar
287            assert_equal {foo bar} [r zrange zset 0 -1]
288
289            assert_equal -2 [r zscore zset foo]
290            assert_equal  6 [r zscore zset bar]
291        }
292
293        test "ZINCRBY return value" {
294            r del ztmp
295            set retval [r zincrby ztmp 1.0 x]
296            assert {$retval == 1.0}
297        }
298
299        proc create_default_zset {} {
300            create_zset zset {-inf a 1 b 2 c 3 d 4 e 5 f +inf g}
301        }
302
303        test "ZRANGEBYSCORE/ZREVRANGEBYSCORE/ZCOUNT basics" {
304            create_default_zset
305
306            # inclusive range
307            assert_equal {a b c} [r zrangebyscore zset -inf 2]
308            assert_equal {b c d} [r zrangebyscore zset 0 3]
309            assert_equal {d e f} [r zrangebyscore zset 3 6]
310            assert_equal {e f g} [r zrangebyscore zset 4 +inf]
311            assert_equal {c b a} [r zrevrangebyscore zset 2 -inf]
312            assert_equal {d c b} [r zrevrangebyscore zset 3 0]
313            assert_equal {f e d} [r zrevrangebyscore zset 6 3]
314            assert_equal {g f e} [r zrevrangebyscore zset +inf 4]
315            assert_equal 3 [r zcount zset 0 3]
316
317            # exclusive range
318            assert_equal {b}   [r zrangebyscore zset (-inf (2]
319            assert_equal {b c} [r zrangebyscore zset (0 (3]
320            assert_equal {e f} [r zrangebyscore zset (3 (6]
321            assert_equal {f}   [r zrangebyscore zset (4 (+inf]
322            assert_equal {b}   [r zrevrangebyscore zset (2 (-inf]
323            assert_equal {c b} [r zrevrangebyscore zset (3 (0]
324            assert_equal {f e} [r zrevrangebyscore zset (6 (3]
325            assert_equal {f}   [r zrevrangebyscore zset (+inf (4]
326            assert_equal 2 [r zcount zset (0 (3]
327
328            # test empty ranges
329            r zrem zset a
330            r zrem zset g
331
332            # inclusive
333            assert_equal {} [r zrangebyscore zset 4 2]
334            assert_equal {} [r zrangebyscore zset 6 +inf]
335            assert_equal {} [r zrangebyscore zset -inf -6]
336            assert_equal {} [r zrevrangebyscore zset +inf 6]
337            assert_equal {} [r zrevrangebyscore zset -6 -inf]
338
339            # exclusive
340            assert_equal {} [r zrangebyscore zset (4 (2]
341            assert_equal {} [r zrangebyscore zset 2 (2]
342            assert_equal {} [r zrangebyscore zset (2 2]
343            assert_equal {} [r zrangebyscore zset (6 (+inf]
344            assert_equal {} [r zrangebyscore zset (-inf (-6]
345            assert_equal {} [r zrevrangebyscore zset (+inf (6]
346            assert_equal {} [r zrevrangebyscore zset (-6 (-inf]
347
348            # empty inner range
349            assert_equal {} [r zrangebyscore zset 2.4 2.6]
350            assert_equal {} [r zrangebyscore zset (2.4 2.6]
351            assert_equal {} [r zrangebyscore zset 2.4 (2.6]
352            assert_equal {} [r zrangebyscore zset (2.4 (2.6]
353        }
354
355        test "ZRANGEBYSCORE with WITHSCORES" {
356            create_default_zset
357            assert_equal {b 1 c 2 d 3} [r zrangebyscore zset 0 3 withscores]
358            assert_equal {d 3 c 2 b 1} [r zrevrangebyscore zset 3 0 withscores]
359        }
360
361        test "ZRANGEBYSCORE with LIMIT" {
362            create_default_zset
363            assert_equal {b c}   [r zrangebyscore zset 0 10 LIMIT 0 2]
364            assert_equal {d e f} [r zrangebyscore zset 0 10 LIMIT 2 3]
365            assert_equal {d e f} [r zrangebyscore zset 0 10 LIMIT 2 10]
366            assert_equal {}      [r zrangebyscore zset 0 10 LIMIT 20 10]
367            assert_equal {f e}   [r zrevrangebyscore zset 10 0 LIMIT 0 2]
368            assert_equal {d c b} [r zrevrangebyscore zset 10 0 LIMIT 2 3]
369            assert_equal {d c b} [r zrevrangebyscore zset 10 0 LIMIT 2 10]
370            assert_equal {}      [r zrevrangebyscore zset 10 0 LIMIT 20 10]
371        }
372
373        test "ZRANGEBYSCORE with LIMIT and WITHSCORES" {
374            create_default_zset
375            assert_equal {e 4 f 5} [r zrangebyscore zset 2 5 LIMIT 2 3 WITHSCORES]
376            assert_equal {d 3 c 2} [r zrevrangebyscore zset 5 2 LIMIT 2 3 WITHSCORES]
377        }
378
379        test "ZRANGEBYSCORE with non-value min or max" {
380            assert_error "*not*float*" {r zrangebyscore fooz str 1}
381            assert_error "*not*float*" {r zrangebyscore fooz 1 str}
382            assert_error "*not*float*" {r zrangebyscore fooz 1 NaN}
383        }
384
385        proc create_default_lex_zset {} {
386            create_zset zset {0 alpha 0 bar 0 cool 0 down
387                              0 elephant 0 foo 0 great 0 hill
388                              0 omega}
389        }
390
391        test "ZRANGEBYLEX/ZREVRANGEBYLEX/ZLEXCOUNT basics" {
392            create_default_lex_zset
393
394            # inclusive range
395            assert_equal {alpha bar cool} [r zrangebylex zset - \[cool]
396            assert_equal {bar cool down} [r zrangebylex zset \[bar \[down]
397            assert_equal {great hill omega} [r zrangebylex zset \[g +]
398            assert_equal {cool bar alpha} [r zrevrangebylex zset \[cool -]
399            assert_equal {down cool bar} [r zrevrangebylex zset \[down \[bar]
400            assert_equal {omega hill great foo elephant down} [r zrevrangebylex zset + \[d]
401            assert_equal 3 [r zlexcount zset \[ele \[h]
402
403            # exclusive range
404            assert_equal {alpha bar} [r zrangebylex zset - (cool]
405            assert_equal {cool} [r zrangebylex zset (bar (down]
406            assert_equal {hill omega} [r zrangebylex zset (great +]
407            assert_equal {bar alpha} [r zrevrangebylex zset (cool -]
408            assert_equal {cool} [r zrevrangebylex zset (down (bar]
409            assert_equal {omega hill} [r zrevrangebylex zset + (great]
410            assert_equal 2 [r zlexcount zset (ele (great]
411
412            # inclusive and exclusive
413            assert_equal {} [r zrangebylex zset (az (b]
414            assert_equal {} [r zrangebylex zset (z +]
415            assert_equal {} [r zrangebylex zset - \[aaaa]
416            assert_equal {} [r zrevrangebylex zset \[elez \[elex]
417            assert_equal {} [r zrevrangebylex zset (hill (omega]
418        }
419
420        test "ZLEXCOUNT advanced" {
421            create_default_lex_zset
422
423            assert_equal 9 [r zlexcount zset - +]
424            assert_equal 0 [r zlexcount zset + -]
425            assert_equal 0 [r zlexcount zset + \[c]
426            assert_equal 0 [r zlexcount zset \[c -]
427            assert_equal 8 [r zlexcount zset \[bar +]
428            assert_equal 5 [r zlexcount zset \[bar \[foo]
429            assert_equal 4 [r zlexcount zset \[bar (foo]
430            assert_equal 4 [r zlexcount zset (bar \[foo]
431            assert_equal 3 [r zlexcount zset (bar (foo]
432            assert_equal 5 [r zlexcount zset - (foo]
433            assert_equal 1 [r zlexcount zset (maxstring +]
434        }
435
436        test "ZRANGEBYSLEX with LIMIT" {
437            create_default_lex_zset
438            assert_equal {alpha bar} [r zrangebylex zset - \[cool LIMIT 0 2]
439            assert_equal {bar cool} [r zrangebylex zset - \[cool LIMIT 1 2]
440            assert_equal {} [r zrangebylex zset \[bar \[down LIMIT 0 0]
441            assert_equal {} [r zrangebylex zset \[bar \[down LIMIT 2 0]
442            assert_equal {bar} [r zrangebylex zset \[bar \[down LIMIT 0 1]
443            assert_equal {cool} [r zrangebylex zset \[bar \[down LIMIT 1 1]
444            assert_equal {bar cool down} [r zrangebylex zset \[bar \[down LIMIT 0 100]
445            assert_equal {omega hill great foo elephant} [r zrevrangebylex zset + \[d LIMIT 0 5]
446            assert_equal {omega hill great foo} [r zrevrangebylex zset + \[d LIMIT 0 4]
447        }
448
449        test "ZRANGEBYLEX with invalid lex range specifiers" {
450            assert_error "*not*string*" {r zrangebylex fooz foo bar}
451            assert_error "*not*string*" {r zrangebylex fooz \[foo bar}
452            assert_error "*not*string*" {r zrangebylex fooz foo \[bar}
453            assert_error "*not*string*" {r zrangebylex fooz +x \[bar}
454            assert_error "*not*string*" {r zrangebylex fooz -x \[bar}
455        }
456
457        test "ZREMRANGEBYSCORE basics" {
458            proc remrangebyscore {min max} {
459                create_zset zset {1 a 2 b 3 c 4 d 5 e}
460                assert_equal 1 [r exists zset]
461                r zremrangebyscore zset $min $max
462            }
463
464            # inner range
465            assert_equal 3 [remrangebyscore 2 4]
466            assert_equal {a e} [r zrange zset 0 -1]
467
468            # start underflow
469            assert_equal 1 [remrangebyscore -10 1]
470            assert_equal {b c d e} [r zrange zset 0 -1]
471
472            # end overflow
473            assert_equal 1 [remrangebyscore 5 10]
474            assert_equal {a b c d} [r zrange zset 0 -1]
475
476            # switch min and max
477            assert_equal 0 [remrangebyscore 4 2]
478            assert_equal {a b c d e} [r zrange zset 0 -1]
479
480            # -inf to mid
481            assert_equal 3 [remrangebyscore -inf 3]
482            assert_equal {d e} [r zrange zset 0 -1]
483
484            # mid to +inf
485            assert_equal 3 [remrangebyscore 3 +inf]
486            assert_equal {a b} [r zrange zset 0 -1]
487
488            # -inf to +inf
489            assert_equal 5 [remrangebyscore -inf +inf]
490            assert_equal {} [r zrange zset 0 -1]
491
492            # exclusive min
493            assert_equal 4 [remrangebyscore (1 5]
494            assert_equal {a} [r zrange zset 0 -1]
495            assert_equal 3 [remrangebyscore (2 5]
496            assert_equal {a b} [r zrange zset 0 -1]
497
498            # exclusive max
499            assert_equal 4 [remrangebyscore 1 (5]
500            assert_equal {e} [r zrange zset 0 -1]
501            assert_equal 3 [remrangebyscore 1 (4]
502            assert_equal {d e} [r zrange zset 0 -1]
503
504            # exclusive min and max
505            assert_equal 3 [remrangebyscore (1 (5]
506            assert_equal {a e} [r zrange zset 0 -1]
507
508            # destroy when empty
509            assert_equal 5 [remrangebyscore 1 5]
510            assert_equal 0 [r exists zset]
511        }
512
513        test "ZREMRANGEBYSCORE with non-value min or max" {
514            assert_error "*not*float*" {r zremrangebyscore fooz str 1}
515            assert_error "*not*float*" {r zremrangebyscore fooz 1 str}
516            assert_error "*not*float*" {r zremrangebyscore fooz 1 NaN}
517        }
518
519        test "ZREMRANGEBYRANK basics" {
520            proc remrangebyrank {min max} {
521                create_zset zset {1 a 2 b 3 c 4 d 5 e}
522                assert_equal 1 [r exists zset]
523                r zremrangebyrank zset $min $max
524            }
525
526            # inner range
527            assert_equal 3 [remrangebyrank 1 3]
528            assert_equal {a e} [r zrange zset 0 -1]
529
530            # start underflow
531            assert_equal 1 [remrangebyrank -10 0]
532            assert_equal {b c d e} [r zrange zset 0 -1]
533
534            # start overflow
535            assert_equal 0 [remrangebyrank 10 -1]
536            assert_equal {a b c d e} [r zrange zset 0 -1]
537
538            # end underflow
539            assert_equal 0 [remrangebyrank 0 -10]
540            assert_equal {a b c d e} [r zrange zset 0 -1]
541
542            # end overflow
543            assert_equal 5 [remrangebyrank 0 10]
544            assert_equal {} [r zrange zset 0 -1]
545
546            # destroy when empty
547            assert_equal 5 [remrangebyrank 0 4]
548            assert_equal 0 [r exists zset]
549        }
550
551        test "ZUNIONSTORE against non-existing key doesn't set destination - $encoding" {
552            r del zseta
553            assert_equal 0 [r zunionstore dst_key 1 zseta]
554            assert_equal 0 [r exists dst_key]
555        }
556
557        test "ZUNIONSTORE with empty set - $encoding" {
558            r del zseta zsetb
559            r zadd zseta 1 a
560            r zadd zseta 2 b
561            r zunionstore zsetc 2 zseta zsetb
562            r zrange zsetc 0 -1 withscores
563        } {a 1 b 2}
564
565        test "ZUNIONSTORE basics - $encoding" {
566            r del zseta zsetb zsetc
567            r zadd zseta 1 a
568            r zadd zseta 2 b
569            r zadd zseta 3 c
570            r zadd zsetb 1 b
571            r zadd zsetb 2 c
572            r zadd zsetb 3 d
573
574            assert_equal 4 [r zunionstore zsetc 2 zseta zsetb]
575            assert_equal {a 1 b 3 d 3 c 5} [r zrange zsetc 0 -1 withscores]
576        }
577
578        test "ZUNIONSTORE with weights - $encoding" {
579            assert_equal 4 [r zunionstore zsetc 2 zseta zsetb weights 2 3]
580            assert_equal {a 2 b 7 d 9 c 12} [r zrange zsetc 0 -1 withscores]
581        }
582
583        test "ZUNIONSTORE with a regular set and weights - $encoding" {
584            r del seta
585            r sadd seta a
586            r sadd seta b
587            r sadd seta c
588
589            assert_equal 4 [r zunionstore zsetc 2 seta zsetb weights 2 3]
590            assert_equal {a 2 b 5 c 8 d 9} [r zrange zsetc 0 -1 withscores]
591        }
592
593        test "ZUNIONSTORE with AGGREGATE MIN - $encoding" {
594            assert_equal 4 [r zunionstore zsetc 2 zseta zsetb aggregate min]
595            assert_equal {a 1 b 1 c 2 d 3} [r zrange zsetc 0 -1 withscores]
596        }
597
598        test "ZUNIONSTORE with AGGREGATE MAX - $encoding" {
599            assert_equal 4 [r zunionstore zsetc 2 zseta zsetb aggregate max]
600            assert_equal {a 1 b 2 c 3 d 3} [r zrange zsetc 0 -1 withscores]
601        }
602
603        test "ZINTERSTORE basics - $encoding" {
604            assert_equal 2 [r zinterstore zsetc 2 zseta zsetb]
605            assert_equal {b 3 c 5} [r zrange zsetc 0 -1 withscores]
606        }
607
608        test "ZINTERSTORE with weights - $encoding" {
609            assert_equal 2 [r zinterstore zsetc 2 zseta zsetb weights 2 3]
610            assert_equal {b 7 c 12} [r zrange zsetc 0 -1 withscores]
611        }
612
613        test "ZINTERSTORE with a regular set and weights - $encoding" {
614            r del seta
615            r sadd seta a
616            r sadd seta b
617            r sadd seta c
618            assert_equal 2 [r zinterstore zsetc 2 seta zsetb weights 2 3]
619            assert_equal {b 5 c 8} [r zrange zsetc 0 -1 withscores]
620        }
621
622        test "ZINTERSTORE with AGGREGATE MIN - $encoding" {
623            assert_equal 2 [r zinterstore zsetc 2 zseta zsetb aggregate min]
624            assert_equal {b 1 c 2} [r zrange zsetc 0 -1 withscores]
625        }
626
627        test "ZINTERSTORE with AGGREGATE MAX - $encoding" {
628            assert_equal 2 [r zinterstore zsetc 2 zseta zsetb aggregate max]
629            assert_equal {b 2 c 3} [r zrange zsetc 0 -1 withscores]
630        }
631
632        foreach cmd {ZUNIONSTORE ZINTERSTORE} {
633            test "$cmd with +inf/-inf scores - $encoding" {
634                r del zsetinf1 zsetinf2
635
636                r zadd zsetinf1 +inf key
637                r zadd zsetinf2 +inf key
638                r $cmd zsetinf3 2 zsetinf1 zsetinf2
639                assert_equal inf [r zscore zsetinf3 key]
640
641                r zadd zsetinf1 -inf key
642                r zadd zsetinf2 +inf key
643                r $cmd zsetinf3 2 zsetinf1 zsetinf2
644                assert_equal 0 [r zscore zsetinf3 key]
645
646                r zadd zsetinf1 +inf key
647                r zadd zsetinf2 -inf key
648                r $cmd zsetinf3 2 zsetinf1 zsetinf2
649                assert_equal 0 [r zscore zsetinf3 key]
650
651                r zadd zsetinf1 -inf key
652                r zadd zsetinf2 -inf key
653                r $cmd zsetinf3 2 zsetinf1 zsetinf2
654                assert_equal -inf [r zscore zsetinf3 key]
655            }
656
657            test "$cmd with NaN weights $encoding" {
658                r del zsetinf1 zsetinf2
659
660                r zadd zsetinf1 1.0 key
661                r zadd zsetinf2 1.0 key
662                assert_error "*weight*not*float*" {
663                    r $cmd zsetinf3 2 zsetinf1 zsetinf2 weights nan nan
664                }
665            }
666        }
667
668        test "Basic ZPOP with a single key - $encoding" {
669            r del zset
670            assert_equal {} [r zpopmin zset]
671            create_zset zset {-1 a 1 b 2 c 3 d 4 e}
672            assert_equal {a -1} [r zpopmin zset]
673            assert_equal {b 1} [r zpopmin zset]
674            assert_equal {e 4} [r zpopmax zset]
675            assert_equal {d 3} [r zpopmax zset]
676            assert_equal {c 2} [r zpopmin zset]
677            assert_equal 0 [r exists zset]
678            r set foo bar
679            assert_error "*WRONGTYPE*" {r zpopmin foo}
680        }
681
682        test "ZPOP with count - $encoding" {
683            r del z1 z2 z3 foo
684            r set foo bar
685            assert_equal {} [r zpopmin z1 2]
686            assert_error "*WRONGTYPE*" {r zpopmin foo 2}
687            create_zset z1 {0 a 1 b 2 c 3 d}
688            assert_equal {a 0 b 1} [r zpopmin z1 2]
689            assert_equal {d 3 c 2} [r zpopmax z1 2]
690        }
691
692        test "BZPOP with a single existing sorted set - $encoding" {
693            set rd [redis_deferring_client]
694            create_zset zset {0 a 1 b 2 c}
695
696            $rd bzpopmin zset 5
697            assert_equal {zset a 0} [$rd read]
698            $rd bzpopmin zset 5
699            assert_equal {zset b 1} [$rd read]
700            $rd bzpopmax zset 5
701            assert_equal {zset c 2} [$rd read]
702            assert_equal 0 [r exists zset]
703        }
704
705        test "BZPOP with multiple existing sorted sets - $encoding" {
706            set rd [redis_deferring_client]
707            create_zset z1 {0 a 1 b 2 c}
708            create_zset z2 {3 d 4 e 5 f}
709
710            $rd bzpopmin z1 z2 5
711            assert_equal {z1 a 0} [$rd read]
712            $rd bzpopmax z1 z2 5
713            assert_equal {z1 c 2} [$rd read]
714            assert_equal 1 [r zcard z1]
715            assert_equal 3 [r zcard z2]
716
717            $rd bzpopmax z2 z1 5
718            assert_equal {z2 f 5} [$rd read]
719            $rd bzpopmin z2 z1 5
720            assert_equal {z2 d 3} [$rd read]
721            assert_equal 1 [r zcard z1]
722            assert_equal 1 [r zcard z2]
723        }
724
725        test "BZPOP second sorted set has members - $encoding" {
726            set rd [redis_deferring_client]
727            r del z1
728            create_zset z2 {3 d 4 e 5 f}
729            $rd bzpopmax z1 z2 5
730            assert_equal {z2 f 5} [$rd read]
731            $rd bzpopmin z2 z1 5
732            assert_equal {z2 d 3} [$rd read]
733            assert_equal 0 [r zcard z1]
734            assert_equal 1 [r zcard z2]
735        }
736    }
737
738    basics ziplist
739    basics skiplist
740
741    test {ZINTERSTORE regression with two sets, intset+hashtable} {
742        r del seta setb setc
743        r sadd set1 a
744        r sadd set2 10
745        r zinterstore set3 2 set1 set2
746    } {0}
747
748    test {ZUNIONSTORE regression, should not create NaN in scores} {
749        r zadd z -inf neginf
750        r zunionstore out 1 z weights 0
751        r zrange out 0 -1 withscores
752    } {neginf 0}
753
754    test {ZINTERSTORE #516 regression, mixed sets and ziplist zsets} {
755        r sadd one 100 101 102 103
756        r sadd two 100 200 201 202
757        r zadd three 1 500 1 501 1 502 1 503 1 100
758        r zinterstore to_here 3 one two three WEIGHTS 0 0 1
759        r zrange to_here 0 -1
760    } {100}
761
762    test {ZUNIONSTORE result is sorted} {
763        # Create two sets with common and not common elements, perform
764        # the UNION, check that elements are still sorted.
765        r del one two dest
766        set cmd1 [list r zadd one]
767        set cmd2 [list r zadd two]
768        for {set j 0} {$j < 1000} {incr j} {
769            lappend cmd1 [expr rand()] [randomInt 1000]
770            lappend cmd2 [expr rand()] [randomInt 1000]
771        }
772        {*}$cmd1
773        {*}$cmd2
774        assert {[r zcard one] > 100}
775        assert {[r zcard two] > 100}
776        r zunionstore dest 2 one two
777        set oldscore 0
778        foreach {ele score} [r zrange dest 0 -1 withscores] {
779            assert {$score >= $oldscore}
780            set oldscore $score
781        }
782    }
783
784    test "ZSET commands don't accept the empty strings as valid score" {
785        assert_error "*not*float*" {r zadd myzset "" abc}
786    }
787
788    proc stressers {encoding} {
789        if {$encoding == "ziplist"} {
790            # Little extra to allow proper fuzzing in the sorting stresser
791            r config set zset-max-ziplist-entries 256
792            r config set zset-max-ziplist-value 64
793            set elements 128
794        } elseif {$encoding == "skiplist"} {
795            r config set zset-max-ziplist-entries 0
796            r config set zset-max-ziplist-value 0
797            if {$::accurate} {set elements 1000} else {set elements 100}
798        } else {
799            puts "Unknown sorted set encoding"
800            exit
801        }
802
803        test "ZSCORE - $encoding" {
804            r del zscoretest
805            set aux {}
806            for {set i 0} {$i < $elements} {incr i} {
807                set score [expr rand()]
808                lappend aux $score
809                r zadd zscoretest $score $i
810            }
811
812            assert_encoding $encoding zscoretest
813            for {set i 0} {$i < $elements} {incr i} {
814                assert_equal [lindex $aux $i] [r zscore zscoretest $i]
815            }
816        }
817
818        test "ZSCORE after a DEBUG RELOAD - $encoding" {
819            r del zscoretest
820            set aux {}
821            for {set i 0} {$i < $elements} {incr i} {
822                set score [expr rand()]
823                lappend aux $score
824                r zadd zscoretest $score $i
825            }
826
827            r debug reload
828            assert_encoding $encoding zscoretest
829            for {set i 0} {$i < $elements} {incr i} {
830                assert_equal [lindex $aux $i] [r zscore zscoretest $i]
831            }
832        }
833
834        test "ZSET sorting stresser - $encoding" {
835            set delta 0
836            for {set test 0} {$test < 2} {incr test} {
837                unset -nocomplain auxarray
838                array set auxarray {}
839                set auxlist {}
840                r del myzset
841                for {set i 0} {$i < $elements} {incr i} {
842                    if {$test == 0} {
843                        set score [expr rand()]
844                    } else {
845                        set score [expr int(rand()*10)]
846                    }
847                    set auxarray($i) $score
848                    r zadd myzset $score $i
849                    # Random update
850                    if {[expr rand()] < .2} {
851                        set j [expr int(rand()*1000)]
852                        if {$test == 0} {
853                            set score [expr rand()]
854                        } else {
855                            set score [expr int(rand()*10)]
856                        }
857                        set auxarray($j) $score
858                        r zadd myzset $score $j
859                    }
860                }
861                foreach {item score} [array get auxarray] {
862                    lappend auxlist [list $score $item]
863                }
864                set sorted [lsort -command zlistAlikeSort $auxlist]
865                set auxlist {}
866                foreach x $sorted {
867                    lappend auxlist [lindex $x 1]
868                }
869
870                assert_encoding $encoding myzset
871                set fromredis [r zrange myzset 0 -1]
872                set delta 0
873                for {set i 0} {$i < [llength $fromredis]} {incr i} {
874                    if {[lindex $fromredis $i] != [lindex $auxlist $i]} {
875                        incr delta
876                    }
877                }
878            }
879            assert_equal 0 $delta
880        }
881
882        test "ZRANGEBYSCORE fuzzy test, 100 ranges in $elements element sorted set - $encoding" {
883            set err {}
884            r del zset
885            for {set i 0} {$i < $elements} {incr i} {
886                r zadd zset [expr rand()] $i
887            }
888
889            assert_encoding $encoding zset
890            for {set i 0} {$i < 100} {incr i} {
891                set min [expr rand()]
892                set max [expr rand()]
893                if {$min > $max} {
894                    set aux $min
895                    set min $max
896                    set max $aux
897                }
898                set low [r zrangebyscore zset -inf $min]
899                set ok [r zrangebyscore zset $min $max]
900                set high [r zrangebyscore zset $max +inf]
901                set lowx [r zrangebyscore zset -inf ($min]
902                set okx [r zrangebyscore zset ($min ($max]
903                set highx [r zrangebyscore zset ($max +inf]
904
905                if {[r zcount zset -inf $min] != [llength $low]} {
906                    append err "Error, len does not match zcount\n"
907                }
908                if {[r zcount zset $min $max] != [llength $ok]} {
909                    append err "Error, len does not match zcount\n"
910                }
911                if {[r zcount zset $max +inf] != [llength $high]} {
912                    append err "Error, len does not match zcount\n"
913                }
914                if {[r zcount zset -inf ($min] != [llength $lowx]} {
915                    append err "Error, len does not match zcount\n"
916                }
917                if {[r zcount zset ($min ($max] != [llength $okx]} {
918                    append err "Error, len does not match zcount\n"
919                }
920                if {[r zcount zset ($max +inf] != [llength $highx]} {
921                    append err "Error, len does not match zcount\n"
922                }
923
924                foreach x $low {
925                    set score [r zscore zset $x]
926                    if {$score > $min} {
927                        append err "Error, score for $x is $score > $min\n"
928                    }
929                }
930                foreach x $lowx {
931                    set score [r zscore zset $x]
932                    if {$score >= $min} {
933                        append err "Error, score for $x is $score >= $min\n"
934                    }
935                }
936                foreach x $ok {
937                    set score [r zscore zset $x]
938                    if {$score < $min || $score > $max} {
939                        append err "Error, score for $x is $score outside $min-$max range\n"
940                    }
941                }
942                foreach x $okx {
943                    set score [r zscore zset $x]
944                    if {$score <= $min || $score >= $max} {
945                        append err "Error, score for $x is $score outside $min-$max open range\n"
946                    }
947                }
948                foreach x $high {
949                    set score [r zscore zset $x]
950                    if {$score < $max} {
951                        append err "Error, score for $x is $score < $max\n"
952                    }
953                }
954                foreach x $highx {
955                    set score [r zscore zset $x]
956                    if {$score <= $max} {
957                        append err "Error, score for $x is $score <= $max\n"
958                    }
959                }
960            }
961            assert_equal {} $err
962        }
963
964        test "ZRANGEBYLEX fuzzy test, 100 ranges in $elements element sorted set - $encoding" {
965            set lexset {}
966            r del zset
967            for {set j 0} {$j < $elements} {incr j} {
968                set e [randstring 0 30 alpha]
969                lappend lexset $e
970                r zadd zset 0 $e
971            }
972            set lexset [lsort -unique $lexset]
973            for {set j 0} {$j < 100} {incr j} {
974                set min [randstring 0 30 alpha]
975                set max [randstring 0 30 alpha]
976                set mininc [randomInt 2]
977                set maxinc [randomInt 2]
978                if {$mininc} {set cmin "\[$min"} else {set cmin "($min"}
979                if {$maxinc} {set cmax "\[$max"} else {set cmax "($max"}
980                set rev [randomInt 2]
981                if {$rev} {
982                    set cmd zrevrangebylex
983                } else {
984                    set cmd zrangebylex
985                }
986
987                # Make sure data is the same in both sides
988                assert {[r zrange zset 0 -1] eq $lexset}
989
990                # Get the Redis output
991                set output [r $cmd zset $cmin $cmax]
992                if {$rev} {
993                    set outlen [r zlexcount zset $cmax $cmin]
994                } else {
995                    set outlen [r zlexcount zset $cmin $cmax]
996                }
997
998                # Compute the same output via Tcl
999                set o {}
1000                set copy $lexset
1001                if {(!$rev && [string compare $min $max] > 0) ||
1002                    ($rev && [string compare $max $min] > 0)} {
1003                    # Empty output when ranges are inverted.
1004                } else {
1005                    if {$rev} {
1006                        # Invert the Tcl array using Redis itself.
1007                        set copy [r zrevrange zset 0 -1]
1008                        # Invert min / max as well
1009                        lassign [list $min $max $mininc $maxinc] \
1010                            max min maxinc mininc
1011                    }
1012                    foreach e $copy {
1013                        set mincmp [string compare $e $min]
1014                        set maxcmp [string compare $e $max]
1015                        if {
1016                             ($mininc && $mincmp >= 0 || !$mininc && $mincmp > 0)
1017                             &&
1018                             ($maxinc && $maxcmp <= 0 || !$maxinc && $maxcmp < 0)
1019                        } {
1020                            lappend o $e
1021                        }
1022                    }
1023                }
1024                assert {$o eq $output}
1025                assert {$outlen eq [llength $output]}
1026            }
1027        }
1028
1029        test "ZREMRANGEBYLEX fuzzy test, 100 ranges in $elements element sorted set - $encoding" {
1030            set lexset {}
1031            r del zset zsetcopy
1032            for {set j 0} {$j < $elements} {incr j} {
1033                set e [randstring 0 30 alpha]
1034                lappend lexset $e
1035                r zadd zset 0 $e
1036            }
1037            set lexset [lsort -unique $lexset]
1038            for {set j 0} {$j < 100} {incr j} {
1039                # Copy...
1040                r zunionstore zsetcopy 1 zset
1041                set lexsetcopy $lexset
1042
1043                set min [randstring 0 30 alpha]
1044                set max [randstring 0 30 alpha]
1045                set mininc [randomInt 2]
1046                set maxinc [randomInt 2]
1047                if {$mininc} {set cmin "\[$min"} else {set cmin "($min"}
1048                if {$maxinc} {set cmax "\[$max"} else {set cmax "($max"}
1049
1050                # Make sure data is the same in both sides
1051                assert {[r zrange zset 0 -1] eq $lexset}
1052
1053                # Get the range we are going to remove
1054                set torem [r zrangebylex zset $cmin $cmax]
1055                set toremlen [r zlexcount zset $cmin $cmax]
1056                r zremrangebylex zsetcopy $cmin $cmax
1057                set output [r zrange zsetcopy 0 -1]
1058
1059                # Remove the range with Tcl from the original list
1060                if {$toremlen} {
1061                    set first [lsearch -exact $lexsetcopy [lindex $torem 0]]
1062                    set last [expr {$first+$toremlen-1}]
1063                    set lexsetcopy [lreplace $lexsetcopy $first $last]
1064                }
1065                assert {$lexsetcopy eq $output}
1066            }
1067        }
1068
1069        test "ZSETs skiplist implementation backlink consistency test - $encoding" {
1070            set diff 0
1071            for {set j 0} {$j < $elements} {incr j} {
1072                r zadd myzset [expr rand()] "Element-$j"
1073                r zrem myzset "Element-[expr int(rand()*$elements)]"
1074            }
1075
1076            assert_encoding $encoding myzset
1077            set l1 [r zrange myzset 0 -1]
1078            set l2 [r zrevrange myzset 0 -1]
1079            for {set j 0} {$j < [llength $l1]} {incr j} {
1080                if {[lindex $l1 $j] ne [lindex $l2 end-$j]} {
1081                    incr diff
1082                }
1083            }
1084            assert_equal 0 $diff
1085        }
1086
1087        test "ZSETs ZRANK augmented skip list stress testing - $encoding" {
1088            set err {}
1089            r del myzset
1090            for {set k 0} {$k < 2000} {incr k} {
1091                set i [expr {$k % $elements}]
1092                if {[expr rand()] < .2} {
1093                    r zrem myzset $i
1094                } else {
1095                    set score [expr rand()]
1096                    r zadd myzset $score $i
1097                    assert_encoding $encoding myzset
1098                }
1099
1100                set card [r zcard myzset]
1101                if {$card > 0} {
1102                    set index [randomInt $card]
1103                    set ele [lindex [r zrange myzset $index $index] 0]
1104                    set rank [r zrank myzset $ele]
1105                    if {$rank != $index} {
1106                        set err "$ele RANK is wrong! ($rank != $index)"
1107                        break
1108                    }
1109                }
1110            }
1111            assert_equal {} $err
1112        }
1113
1114        test "BZPOPMIN, ZADD + DEL should not awake blocked client" {
1115            set rd [redis_deferring_client]
1116            r del zset
1117
1118            $rd bzpopmin zset 0
1119            r multi
1120            r zadd zset 0 foo
1121            r del zset
1122            r exec
1123            r del zset
1124            r zadd zset 1 bar
1125            $rd read
1126        } {zset bar 1}
1127
1128        test "BZPOPMIN, ZADD + DEL + SET should not awake blocked client" {
1129            set rd [redis_deferring_client]
1130            r del list
1131
1132            r del zset
1133
1134            $rd bzpopmin zset 0
1135            r multi
1136            r zadd zset 0 foo
1137            r del zset
1138            r set zset foo
1139            r exec
1140            r del zset
1141            r zadd zset 1 bar
1142            $rd read
1143        } {zset bar 1}
1144
1145        test "BZPOPMIN with same key multiple times should work" {
1146            set rd [redis_deferring_client]
1147            r del z1 z2
1148
1149            # Data arriving after the BZPOPMIN.
1150            $rd bzpopmin z1 z2 z2 z1 0
1151            r zadd z1 0 a
1152            assert_equal [$rd read] {z1 a 0}
1153            $rd bzpopmin z1 z2 z2 z1 0
1154            r zadd z2 1 b
1155            assert_equal [$rd read] {z2 b 1}
1156
1157            # Data already there.
1158            r zadd z1 0 a
1159            r zadd z2 1 b
1160            $rd bzpopmin z1 z2 z2 z1 0
1161            assert_equal [$rd read] {z1 a 0}
1162            $rd bzpopmin z1 z2 z2 z1 0
1163            assert_equal [$rd read] {z2 b 1}
1164        }
1165
1166        test "MULTI/EXEC is isolated from the point of view of BZPOPMIN" {
1167            set rd [redis_deferring_client]
1168            r del zset
1169            $rd bzpopmin zset 0
1170            r multi
1171            r zadd zset 0 a
1172            r zadd zset 1 b
1173            r zadd zset 2 c
1174            r exec
1175            $rd read
1176        } {zset a 0}
1177
1178        test "BZPOPMIN with variadic ZADD" {
1179            set rd [redis_deferring_client]
1180            r del zset
1181            if {$::valgrind} {after 100}
1182            $rd bzpopmin zset 0
1183            if {$::valgrind} {after 100}
1184            assert_equal 2 [r zadd zset -1 foo 1 bar]
1185            if {$::valgrind} {after 100}
1186            assert_equal {zset foo -1} [$rd read]
1187            assert_equal {bar} [r zrange zset 0 -1]
1188        }
1189
1190        test "BZPOPMIN with zero timeout should block indefinitely" {
1191            set rd [redis_deferring_client]
1192            r del zset
1193            $rd bzpopmin zset 0
1194            after 1000
1195            r zadd zset 0 foo
1196            assert_equal {zset foo 0} [$rd read]
1197        }
1198    }
1199
1200    tags {"slow"} {
1201        stressers ziplist
1202        stressers skiplist
1203    }
1204
1205    test {ZSET skiplist order consistency when elements are moved} {
1206        set original_max [lindex [r config get zset-max-ziplist-entries] 1]
1207        r config set zset-max-ziplist-entries 0
1208        for {set times 0} {$times < 10} {incr times} {
1209            r del zset
1210            for {set j 0} {$j < 1000} {incr j} {
1211                r zadd zset [randomInt 50] ele-[randomInt 10]
1212            }
1213
1214            # Make sure that element ordering is correct
1215            set prev_element {}
1216            set prev_score -1
1217            foreach {element score} [r zrange zset 0 -1 WITHSCORES] {
1218                # Assert that elements are in increasing ordering
1219                assert {
1220                    $prev_score < $score ||
1221                    ($prev_score == $score &&
1222                     [string compare $prev_element $element] == -1)
1223                }
1224                set prev_element $element
1225                set prev_score $score
1226            }
1227        }
1228        r config set zset-max-ziplist-entries $original_max
1229    }
1230}
1231