tests/unit/expire.tcl

   1 start_server {tags {"expire"}} {
   2     test {EXPIRE - set timeouts multiple times} {
   3         r set x foobar
   4         set v1 [r expire x 5]
   5         set v2 [r ttl x]
   6         set v3 [r expire x 10]
   7         set v4 [r ttl x]
   8         r expire x 2
   9         list $v1 $v2 $v3 $v4
  10     } {1 [45] 1 10}
  11
  12     test {EXPIRE - It should be still possible to read 'x'} {
  13         r get x
  14     } {foobar}
  15
  16     tags {"slow"} {
  17         test {EXPIRE - After 2.1 seconds the key should no longer be here} {
  18             after 2100
  19             list [r get x] [r exists x]
  20         } {{} 0}
  21     }
  22
  23     test {EXPIRE - write on expire should work} {
  24         r del x
  25         r lpush x foo
  26         r expire x 1000
  27         r lpush x bar
  28         r lrange x 0 -1
  29     } {bar foo}
  30
  31     test {EXPIREAT - Check for EXPIRE alike behavior} {
  32         r del x
  33         r set x foo
  34         r expireat x [expr [clock seconds]+15]
  35         r ttl x
  36     } {1[345]}
  37
  38     test {SETEX - Set + Expire combo operation. Check for TTL} {
  39         r setex x 12 test
  40         r ttl x
  41     } {1[012]}
  42
  43     test {SETEX - Check value} {
  44         r get x
  45     } {test}
  46
  47     test {SETEX - Overwrite old key} {
  48         r setex y 1 foo
  49         r get y
  50     } {foo}
  51
  52     tags {"slow"} {
  53         test {SETEX - Wait for the key to expire} {
  54             after 1100
  55             r get y
  56         } {}
  57     }
  58
  59     test {SETEX - Wrong time parameter} {
  60         catch {r setex z -10 foo} e
  61         set _ $e
  62     } {*invalid expire*}
  63
  64     test {PERSIST can undo an EXPIRE} {
  65         r set x foo
  66         r expire x 50
  67         list [r ttl x] [r persist x] [r ttl x] [r get x]
  68     } {50 1 -1 foo}
  69
  70     test {PERSIST returns 0 against non existing or non volatile keys} {
  71         r set x foo
  72         list [r persist foo] [r persist nokeyatall]
  73     } {0 0}
  74
  75     test {EXPIRE pricision is now the millisecond} {
  76         # This test is very likely to do a false positive if the
  77         # server is under pressure, so if it does not work give it a few more
  78         # chances.
  79         for {set j 0} {$j < 3} {incr j} {
  80             r del x
  81             r setex x 1 somevalue
  82             after 997
  83             set a [r get x]
  84             after 1002
  85             set b [r get x]
  86             if {$a eq {somevalue} && $b eq {}} break
  87         }
  88         list $a $b
  89     } {somevalue {}}
  90
  91     test {PEXPIRE/PSETEX/PEXPIREAT can set sub-second expires} {
  92         # This test is very likely to do a false positive if the
  93         # server is under pressure, so if it does not work give it a few more
  94         # chances.
  95         for {set j 0} {$j < 3} {incr j} {
  96             r del x y z
  97             r psetex x 100 somevalue
  98             after 97
  99             set a [r get x]
 100             after 102
 101             set b [r get x]
 102
 103             r set x somevalue
 104             r pexpire x 100
 105             after 97
 106             set c [r get x]
 107             after 102
 108             set d [r get x]
 109
 110             r set x somevalue
 111             r pexpireat x [expr ([clock seconds]*1000)+100]
 112             after 97
 113             set e [r get x]
 114             after 102
 115             set f [r get x]
 116
 117             if {$a eq {somevalue} && $b eq {} &&
 118                 $c eq {somevalue} && $d eq {} &&
 119                 $e eq {somevalue} && $f eq {}} break
 120         }
 121         list $a $b
 122     } {somevalue {}}
 123
 124     test {PTTL returns millisecond time to live} {
 125         r del x
 126         r setex x 1 somevalue
 127         set ttl [r pttl x]
 128         assert {$ttl > 900 && $ttl <= 1000}
 129     }
 130
 131     test {Redis should actively expire keys incrementally} {
 132         r flushdb
 133         r psetex key1 500 a
 134         r psetex key2 500 a
 135         r psetex key3 500 a
 136         set size1 [r dbsize]
 137         # Redis expires random keys ten times every second so we are
 138         # fairly sure that all the three keys should be evicted after
 139         # one second.
 140         after 1000
 141         set size2 [r dbsize]
 142         list $size1 $size2
 143     } {3 0}
 144 }