xref: /redis-3.2.3/tests/unit/type/zset.tcl (revision 1101b515)
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 exisitng 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/ZCOUNT 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 "ZRANGEBYSLEX with LIMIT" {
421            create_default_lex_zset
422            assert_equal {alpha bar} [r zrangebylex zset - \[cool LIMIT 0 2]
423            assert_equal {bar cool} [r zrangebylex zset - \[cool LIMIT 1 2]
424            assert_equal {} [r zrangebylex zset \[bar \[down LIMIT 0 0]
425            assert_equal {} [r zrangebylex zset \[bar \[down LIMIT 2 0]
426            assert_equal {bar} [r zrangebylex zset \[bar \[down LIMIT 0 1]
427            assert_equal {cool} [r zrangebylex zset \[bar \[down LIMIT 1 1]
428            assert_equal {bar cool down} [r zrangebylex zset \[bar \[down LIMIT 0 100]
429            assert_equal {omega hill great foo elephant} [r zrevrangebylex zset + \[d LIMIT 0 5]
430            assert_equal {omega hill great foo} [r zrevrangebylex zset + \[d LIMIT 0 4]
431        }
432
433        test "ZRANGEBYLEX with invalid lex range specifiers" {
434            assert_error "*not*string*" {r zrangebylex fooz foo bar}
435            assert_error "*not*string*" {r zrangebylex fooz \[foo bar}
436            assert_error "*not*string*" {r zrangebylex fooz foo \[bar}
437            assert_error "*not*string*" {r zrangebylex fooz +x \[bar}
438            assert_error "*not*string*" {r zrangebylex fooz -x \[bar}
439        }
440
441        test "ZREMRANGEBYSCORE basics" {
442            proc remrangebyscore {min max} {
443                create_zset zset {1 a 2 b 3 c 4 d 5 e}
444                assert_equal 1 [r exists zset]
445                r zremrangebyscore zset $min $max
446            }
447
448            # inner range
449            assert_equal 3 [remrangebyscore 2 4]
450            assert_equal {a e} [r zrange zset 0 -1]
451
452            # start underflow
453            assert_equal 1 [remrangebyscore -10 1]
454            assert_equal {b c d e} [r zrange zset 0 -1]
455
456            # end overflow
457            assert_equal 1 [remrangebyscore 5 10]
458            assert_equal {a b c d} [r zrange zset 0 -1]
459
460            # switch min and max
461            assert_equal 0 [remrangebyscore 4 2]
462            assert_equal {a b c d e} [r zrange zset 0 -1]
463
464            # -inf to mid
465            assert_equal 3 [remrangebyscore -inf 3]
466            assert_equal {d e} [r zrange zset 0 -1]
467
468            # mid to +inf
469            assert_equal 3 [remrangebyscore 3 +inf]
470            assert_equal {a b} [r zrange zset 0 -1]
471
472            # -inf to +inf
473            assert_equal 5 [remrangebyscore -inf +inf]
474            assert_equal {} [r zrange zset 0 -1]
475
476            # exclusive min
477            assert_equal 4 [remrangebyscore (1 5]
478            assert_equal {a} [r zrange zset 0 -1]
479            assert_equal 3 [remrangebyscore (2 5]
480            assert_equal {a b} [r zrange zset 0 -1]
481
482            # exclusive max
483            assert_equal 4 [remrangebyscore 1 (5]
484            assert_equal {e} [r zrange zset 0 -1]
485            assert_equal 3 [remrangebyscore 1 (4]
486            assert_equal {d e} [r zrange zset 0 -1]
487
488            # exclusive min and max
489            assert_equal 3 [remrangebyscore (1 (5]
490            assert_equal {a e} [r zrange zset 0 -1]
491
492            # destroy when empty
493            assert_equal 5 [remrangebyscore 1 5]
494            assert_equal 0 [r exists zset]
495        }
496
497        test "ZREMRANGEBYSCORE with non-value min or max" {
498            assert_error "*not*float*" {r zremrangebyscore fooz str 1}
499            assert_error "*not*float*" {r zremrangebyscore fooz 1 str}
500            assert_error "*not*float*" {r zremrangebyscore fooz 1 NaN}
501        }
502
503        test "ZREMRANGEBYRANK basics" {
504            proc remrangebyrank {min max} {
505                create_zset zset {1 a 2 b 3 c 4 d 5 e}
506                assert_equal 1 [r exists zset]
507                r zremrangebyrank zset $min $max
508            }
509
510            # inner range
511            assert_equal 3 [remrangebyrank 1 3]
512            assert_equal {a e} [r zrange zset 0 -1]
513
514            # start underflow
515            assert_equal 1 [remrangebyrank -10 0]
516            assert_equal {b c d e} [r zrange zset 0 -1]
517
518            # start overflow
519            assert_equal 0 [remrangebyrank 10 -1]
520            assert_equal {a b c d e} [r zrange zset 0 -1]
521
522            # end underflow
523            assert_equal 0 [remrangebyrank 0 -10]
524            assert_equal {a b c d e} [r zrange zset 0 -1]
525
526            # end overflow
527            assert_equal 5 [remrangebyrank 0 10]
528            assert_equal {} [r zrange zset 0 -1]
529
530            # destroy when empty
531            assert_equal 5 [remrangebyrank 0 4]
532            assert_equal 0 [r exists zset]
533        }
534
535        test "ZUNIONSTORE against non-existing key doesn't set destination - $encoding" {
536            r del zseta
537            assert_equal 0 [r zunionstore dst_key 1 zseta]
538            assert_equal 0 [r exists dst_key]
539        }
540
541        test "ZUNIONSTORE with empty set - $encoding" {
542            r del zseta zsetb
543            r zadd zseta 1 a
544            r zadd zseta 2 b
545            r zunionstore zsetc 2 zseta zsetb
546            r zrange zsetc 0 -1 withscores
547        } {a 1 b 2}
548
549        test "ZUNIONSTORE basics - $encoding" {
550            r del zseta zsetb zsetc
551            r zadd zseta 1 a
552            r zadd zseta 2 b
553            r zadd zseta 3 c
554            r zadd zsetb 1 b
555            r zadd zsetb 2 c
556            r zadd zsetb 3 d
557
558            assert_equal 4 [r zunionstore zsetc 2 zseta zsetb]
559            assert_equal {a 1 b 3 d 3 c 5} [r zrange zsetc 0 -1 withscores]
560        }
561
562        test "ZUNIONSTORE with weights - $encoding" {
563            assert_equal 4 [r zunionstore zsetc 2 zseta zsetb weights 2 3]
564            assert_equal {a 2 b 7 d 9 c 12} [r zrange zsetc 0 -1 withscores]
565        }
566
567        test "ZUNIONSTORE with a regular set and weights - $encoding" {
568            r del seta
569            r sadd seta a
570            r sadd seta b
571            r sadd seta c
572
573            assert_equal 4 [r zunionstore zsetc 2 seta zsetb weights 2 3]
574            assert_equal {a 2 b 5 c 8 d 9} [r zrange zsetc 0 -1 withscores]
575        }
576
577        test "ZUNIONSTORE with AGGREGATE MIN - $encoding" {
578            assert_equal 4 [r zunionstore zsetc 2 zseta zsetb aggregate min]
579            assert_equal {a 1 b 1 c 2 d 3} [r zrange zsetc 0 -1 withscores]
580        }
581
582        test "ZUNIONSTORE with AGGREGATE MAX - $encoding" {
583            assert_equal 4 [r zunionstore zsetc 2 zseta zsetb aggregate max]
584            assert_equal {a 1 b 2 c 3 d 3} [r zrange zsetc 0 -1 withscores]
585        }
586
587        test "ZINTERSTORE basics - $encoding" {
588            assert_equal 2 [r zinterstore zsetc 2 zseta zsetb]
589            assert_equal {b 3 c 5} [r zrange zsetc 0 -1 withscores]
590        }
591
592        test "ZINTERSTORE with weights - $encoding" {
593            assert_equal 2 [r zinterstore zsetc 2 zseta zsetb weights 2 3]
594            assert_equal {b 7 c 12} [r zrange zsetc 0 -1 withscores]
595        }
596
597        test "ZINTERSTORE with a regular set and weights - $encoding" {
598            r del seta
599            r sadd seta a
600            r sadd seta b
601            r sadd seta c
602            assert_equal 2 [r zinterstore zsetc 2 seta zsetb weights 2 3]
603            assert_equal {b 5 c 8} [r zrange zsetc 0 -1 withscores]
604        }
605
606        test "ZINTERSTORE with AGGREGATE MIN - $encoding" {
607            assert_equal 2 [r zinterstore zsetc 2 zseta zsetb aggregate min]
608            assert_equal {b 1 c 2} [r zrange zsetc 0 -1 withscores]
609        }
610
611        test "ZINTERSTORE with AGGREGATE MAX - $encoding" {
612            assert_equal 2 [r zinterstore zsetc 2 zseta zsetb aggregate max]
613            assert_equal {b 2 c 3} [r zrange zsetc 0 -1 withscores]
614        }
615
616        foreach cmd {ZUNIONSTORE ZINTERSTORE} {
617            test "$cmd with +inf/-inf scores - $encoding" {
618                r del zsetinf1 zsetinf2
619
620                r zadd zsetinf1 +inf key
621                r zadd zsetinf2 +inf key
622                r $cmd zsetinf3 2 zsetinf1 zsetinf2
623                assert_equal inf [r zscore zsetinf3 key]
624
625                r zadd zsetinf1 -inf key
626                r zadd zsetinf2 +inf key
627                r $cmd zsetinf3 2 zsetinf1 zsetinf2
628                assert_equal 0 [r zscore zsetinf3 key]
629
630                r zadd zsetinf1 +inf key
631                r zadd zsetinf2 -inf key
632                r $cmd zsetinf3 2 zsetinf1 zsetinf2
633                assert_equal 0 [r zscore zsetinf3 key]
634
635                r zadd zsetinf1 -inf key
636                r zadd zsetinf2 -inf key
637                r $cmd zsetinf3 2 zsetinf1 zsetinf2
638                assert_equal -inf [r zscore zsetinf3 key]
639            }
640
641            test "$cmd with NaN weights $encoding" {
642                r del zsetinf1 zsetinf2
643
644                r zadd zsetinf1 1.0 key
645                r zadd zsetinf2 1.0 key
646                assert_error "*weight*not*float*" {
647                    r $cmd zsetinf3 2 zsetinf1 zsetinf2 weights nan nan
648                }
649            }
650        }
651    }
652
653    basics ziplist
654    basics skiplist
655
656    test {ZINTERSTORE regression with two sets, intset+hashtable} {
657        r del seta setb setc
658        r sadd set1 a
659        r sadd set2 10
660        r zinterstore set3 2 set1 set2
661    } {0}
662
663    test {ZUNIONSTORE regression, should not create NaN in scores} {
664        r zadd z -inf neginf
665        r zunionstore out 1 z weights 0
666        r zrange out 0 -1 withscores
667    } {neginf 0}
668
669    test {ZINTERSTORE #516 regression, mixed sets and ziplist zsets} {
670        r sadd one 100 101 102 103
671        r sadd two 100 200 201 202
672        r zadd three 1 500 1 501 1 502 1 503 1 100
673        r zinterstore to_here 3 one two three WEIGHTS 0 0 1
674        r zrange to_here 0 -1
675    } {100}
676
677    test {ZUNIONSTORE result is sorted} {
678        # Create two sets with common and not common elements, perform
679        # the UNION, check that elements are still sorted.
680        r del one two dest
681        set cmd1 [list r zadd one]
682        set cmd2 [list r zadd two]
683        for {set j 0} {$j < 1000} {incr j} {
684            lappend cmd1 [expr rand()] [randomInt 1000]
685            lappend cmd2 [expr rand()] [randomInt 1000]
686        }
687        {*}$cmd1
688        {*}$cmd2
689        assert {[r zcard one] > 100}
690        assert {[r zcard two] > 100}
691        r zunionstore dest 2 one two
692        set oldscore 0
693        foreach {ele score} [r zrange dest 0 -1 withscores] {
694            assert {$score >= $oldscore}
695            set oldscore $score
696        }
697    }
698
699    proc stressers {encoding} {
700        if {$encoding == "ziplist"} {
701            # Little extra to allow proper fuzzing in the sorting stresser
702            r config set zset-max-ziplist-entries 256
703            r config set zset-max-ziplist-value 64
704            set elements 128
705        } elseif {$encoding == "skiplist"} {
706            r config set zset-max-ziplist-entries 0
707            r config set zset-max-ziplist-value 0
708            if {$::accurate} {set elements 1000} else {set elements 100}
709        } else {
710            puts "Unknown sorted set encoding"
711            exit
712        }
713
714        test "ZSCORE - $encoding" {
715            r del zscoretest
716            set aux {}
717            for {set i 0} {$i < $elements} {incr i} {
718                set score [expr rand()]
719                lappend aux $score
720                r zadd zscoretest $score $i
721            }
722
723            assert_encoding $encoding zscoretest
724            for {set i 0} {$i < $elements} {incr i} {
725                assert_equal [lindex $aux $i] [r zscore zscoretest $i]
726            }
727        }
728
729        test "ZSCORE after a DEBUG RELOAD - $encoding" {
730            r del zscoretest
731            set aux {}
732            for {set i 0} {$i < $elements} {incr i} {
733                set score [expr rand()]
734                lappend aux $score
735                r zadd zscoretest $score $i
736            }
737
738            r debug reload
739            assert_encoding $encoding zscoretest
740            for {set i 0} {$i < $elements} {incr i} {
741                assert_equal [lindex $aux $i] [r zscore zscoretest $i]
742            }
743        }
744
745        test "ZSET sorting stresser - $encoding" {
746            set delta 0
747            for {set test 0} {$test < 2} {incr test} {
748                unset -nocomplain auxarray
749                array set auxarray {}
750                set auxlist {}
751                r del myzset
752                for {set i 0} {$i < $elements} {incr i} {
753                    if {$test == 0} {
754                        set score [expr rand()]
755                    } else {
756                        set score [expr int(rand()*10)]
757                    }
758                    set auxarray($i) $score
759                    r zadd myzset $score $i
760                    # Random update
761                    if {[expr rand()] < .2} {
762                        set j [expr int(rand()*1000)]
763                        if {$test == 0} {
764                            set score [expr rand()]
765                        } else {
766                            set score [expr int(rand()*10)]
767                        }
768                        set auxarray($j) $score
769                        r zadd myzset $score $j
770                    }
771                }
772                foreach {item score} [array get auxarray] {
773                    lappend auxlist [list $score $item]
774                }
775                set sorted [lsort -command zlistAlikeSort $auxlist]
776                set auxlist {}
777                foreach x $sorted {
778                    lappend auxlist [lindex $x 1]
779                }
780
781                assert_encoding $encoding myzset
782                set fromredis [r zrange myzset 0 -1]
783                set delta 0
784                for {set i 0} {$i < [llength $fromredis]} {incr i} {
785                    if {[lindex $fromredis $i] != [lindex $auxlist $i]} {
786                        incr delta
787                    }
788                }
789            }
790            assert_equal 0 $delta
791        }
792
793        test "ZRANGEBYSCORE fuzzy test, 100 ranges in $elements element sorted set - $encoding" {
794            set err {}
795            r del zset
796            for {set i 0} {$i < $elements} {incr i} {
797                r zadd zset [expr rand()] $i
798            }
799
800            assert_encoding $encoding zset
801            for {set i 0} {$i < 100} {incr i} {
802                set min [expr rand()]
803                set max [expr rand()]
804                if {$min > $max} {
805                    set aux $min
806                    set min $max
807                    set max $aux
808                }
809                set low [r zrangebyscore zset -inf $min]
810                set ok [r zrangebyscore zset $min $max]
811                set high [r zrangebyscore zset $max +inf]
812                set lowx [r zrangebyscore zset -inf ($min]
813                set okx [r zrangebyscore zset ($min ($max]
814                set highx [r zrangebyscore zset ($max +inf]
815
816                if {[r zcount zset -inf $min] != [llength $low]} {
817                    append err "Error, len does not match zcount\n"
818                }
819                if {[r zcount zset $min $max] != [llength $ok]} {
820                    append err "Error, len does not match zcount\n"
821                }
822                if {[r zcount zset $max +inf] != [llength $high]} {
823                    append err "Error, len does not match zcount\n"
824                }
825                if {[r zcount zset -inf ($min] != [llength $lowx]} {
826                    append err "Error, len does not match zcount\n"
827                }
828                if {[r zcount zset ($min ($max] != [llength $okx]} {
829                    append err "Error, len does not match zcount\n"
830                }
831                if {[r zcount zset ($max +inf] != [llength $highx]} {
832                    append err "Error, len does not match zcount\n"
833                }
834
835                foreach x $low {
836                    set score [r zscore zset $x]
837                    if {$score > $min} {
838                        append err "Error, score for $x is $score > $min\n"
839                    }
840                }
841                foreach x $lowx {
842                    set score [r zscore zset $x]
843                    if {$score >= $min} {
844                        append err "Error, score for $x is $score >= $min\n"
845                    }
846                }
847                foreach x $ok {
848                    set score [r zscore zset $x]
849                    if {$score < $min || $score > $max} {
850                        append err "Error, score for $x is $score outside $min-$max range\n"
851                    }
852                }
853                foreach x $okx {
854                    set score [r zscore zset $x]
855                    if {$score <= $min || $score >= $max} {
856                        append err "Error, score for $x is $score outside $min-$max open range\n"
857                    }
858                }
859                foreach x $high {
860                    set score [r zscore zset $x]
861                    if {$score < $max} {
862                        append err "Error, score for $x is $score < $max\n"
863                    }
864                }
865                foreach x $highx {
866                    set score [r zscore zset $x]
867                    if {$score <= $max} {
868                        append err "Error, score for $x is $score <= $max\n"
869                    }
870                }
871            }
872            assert_equal {} $err
873        }
874
875        test "ZRANGEBYLEX fuzzy test, 100 ranges in $elements element sorted set - $encoding" {
876            set lexset {}
877            r del zset
878            for {set j 0} {$j < $elements} {incr j} {
879                set e [randstring 0 30 alpha]
880                lappend lexset $e
881                r zadd zset 0 $e
882            }
883            set lexset [lsort -unique $lexset]
884            for {set j 0} {$j < 100} {incr j} {
885                set min [randstring 0 30 alpha]
886                set max [randstring 0 30 alpha]
887                set mininc [randomInt 2]
888                set maxinc [randomInt 2]
889                if {$mininc} {set cmin "\[$min"} else {set cmin "($min"}
890                if {$maxinc} {set cmax "\[$max"} else {set cmax "($max"}
891                set rev [randomInt 2]
892                if {$rev} {
893                    set cmd zrevrangebylex
894                } else {
895                    set cmd zrangebylex
896                }
897
898                # Make sure data is the same in both sides
899                assert {[r zrange zset 0 -1] eq $lexset}
900
901                # Get the Redis output
902                set output [r $cmd zset $cmin $cmax]
903                if {$rev} {
904                    set outlen [r zlexcount zset $cmax $cmin]
905                } else {
906                    set outlen [r zlexcount zset $cmin $cmax]
907                }
908
909                # Compute the same output via Tcl
910                set o {}
911                set copy $lexset
912                if {(!$rev && [string compare $min $max] > 0) ||
913                    ($rev && [string compare $max $min] > 0)} {
914                    # Empty output when ranges are inverted.
915                } else {
916                    if {$rev} {
917                        # Invert the Tcl array using Redis itself.
918                        set copy [r zrevrange zset 0 -1]
919                        # Invert min / max as well
920                        lassign [list $min $max $mininc $maxinc] \
921                            max min maxinc mininc
922                    }
923                    foreach e $copy {
924                        set mincmp [string compare $e $min]
925                        set maxcmp [string compare $e $max]
926                        if {
927                             ($mininc && $mincmp >= 0 || !$mininc && $mincmp > 0)
928                             &&
929                             ($maxinc && $maxcmp <= 0 || !$maxinc && $maxcmp < 0)
930                        } {
931                            lappend o $e
932                        }
933                    }
934                }
935                assert {$o eq $output}
936                assert {$outlen eq [llength $output]}
937            }
938        }
939
940        test "ZREMRANGEBYLEX fuzzy test, 100 ranges in $elements element sorted set - $encoding" {
941            set lexset {}
942            r del zset zsetcopy
943            for {set j 0} {$j < $elements} {incr j} {
944                set e [randstring 0 30 alpha]
945                lappend lexset $e
946                r zadd zset 0 $e
947            }
948            set lexset [lsort -unique $lexset]
949            for {set j 0} {$j < 100} {incr j} {
950                # Copy...
951                r zunionstore zsetcopy 1 zset
952                set lexsetcopy $lexset
953
954                set min [randstring 0 30 alpha]
955                set max [randstring 0 30 alpha]
956                set mininc [randomInt 2]
957                set maxinc [randomInt 2]
958                if {$mininc} {set cmin "\[$min"} else {set cmin "($min"}
959                if {$maxinc} {set cmax "\[$max"} else {set cmax "($max"}
960
961                # Make sure data is the same in both sides
962                assert {[r zrange zset 0 -1] eq $lexset}
963
964                # Get the range we are going to remove
965                set torem [r zrangebylex zset $cmin $cmax]
966                set toremlen [r zlexcount zset $cmin $cmax]
967                r zremrangebylex zsetcopy $cmin $cmax
968                set output [r zrange zsetcopy 0 -1]
969
970                # Remove the range with Tcl from the original list
971                if {$toremlen} {
972                    set first [lsearch -exact $lexsetcopy [lindex $torem 0]]
973                    set last [expr {$first+$toremlen-1}]
974                    set lexsetcopy [lreplace $lexsetcopy $first $last]
975                }
976                assert {$lexsetcopy eq $output}
977            }
978        }
979
980        test "ZSETs skiplist implementation backlink consistency test - $encoding" {
981            set diff 0
982            for {set j 0} {$j < $elements} {incr j} {
983                r zadd myzset [expr rand()] "Element-$j"
984                r zrem myzset "Element-[expr int(rand()*$elements)]"
985            }
986
987            assert_encoding $encoding myzset
988            set l1 [r zrange myzset 0 -1]
989            set l2 [r zrevrange myzset 0 -1]
990            for {set j 0} {$j < [llength $l1]} {incr j} {
991                if {[lindex $l1 $j] ne [lindex $l2 end-$j]} {
992                    incr diff
993                }
994            }
995            assert_equal 0 $diff
996        }
997
998        test "ZSETs ZRANK augmented skip list stress testing - $encoding" {
999            set err {}
1000            r del myzset
1001            for {set k 0} {$k < 2000} {incr k} {
1002                set i [expr {$k % $elements}]
1003                if {[expr rand()] < .2} {
1004                    r zrem myzset $i
1005                } else {
1006                    set score [expr rand()]
1007                    r zadd myzset $score $i
1008                    assert_encoding $encoding myzset
1009                }
1010
1011                set card [r zcard myzset]
1012                if {$card > 0} {
1013                    set index [randomInt $card]
1014                    set ele [lindex [r zrange myzset $index $index] 0]
1015                    set rank [r zrank myzset $ele]
1016                    if {$rank != $index} {
1017                        set err "$ele RANK is wrong! ($rank != $index)"
1018                        break
1019                    }
1020                }
1021            }
1022            assert_equal {} $err
1023        }
1024    }
1025
1026    tags {"slow"} {
1027        stressers ziplist
1028        stressers skiplist
1029    }
1030}
1031