tests/unit/scripting.tcl

   1 start_server {tags {"scripting"}} {
   2     test {EVAL - Does Lua interpreter replies to our requests?} {
   3         r eval {return 'hello'} 0
   4     } {hello}
   5
   6     test {EVAL - Lua integer -> Redis protocol type conversion} {
   7         r eval {return 100.5} 0
   8     } {100}
   9
  10     test {EVAL - Lua string -> Redis protocol type conversion} {
  11         r eval {return 'hello world'} 0
  12     } {hello world}
  13
  14     test {EVAL - Lua true boolean -> Redis protocol type conversion} {
  15         r eval {return true} 0
  16     } {1}
  17
  18     test {EVAL - Lua false boolean -> Redis protocol type conversion} {
  19         r eval {return false} 0
  20     } {}
  21
  22     test {EVAL - Lua status code reply -> Redis protocol type conversion} {
  23         r eval {return {ok='fine'}} 0
  24     } {fine}
  25
  26     test {EVAL - Lua error reply -> Redis protocol type conversion} {
  27         catch {
  28             r eval {return {err='this is an error'}} 0
  29         } e
  30         set _ $e
  31     } {this is an error}
  32
  33     test {EVAL - Lua table -> Redis protocol type conversion} {
  34         r eval {return {1,2,3,'ciao',{1,2}}} 0
  35     } {1 2 3 ciao {1 2}}
  36
  37     test {EVAL - Are the KEYS and ARGS arrays populated correctly?} {
  38         r eval {return {KEYS[1],KEYS[2],ARGV[1],ARGV[2]}} 2 a b c d
  39     } {a b c d}
  40
  41     test {EVAL - is Lua able to call Redis API?} {
  42         r set mykey myval
  43         r eval {return redis.call('get','mykey')} 0
  44     } {myval}
  45
  46     test {EVALSHA - Can we call a SHA1 if already defined?} {
  47         r evalsha 9bd632c7d33e571e9f24556ebed26c3479a87129 0
  48     } {myval}
  49
  50     test {EVALSHA - Do we get an error on invalid SHA1?} {
  51         catch {r evalsha NotValidShaSUM 0} e
  52         set _ $e
  53     } {NOSCRIPT*}
  54
  55     test {EVALSHA - Do we get an error on non defined SHA1?} {
  56         catch {r evalsha ffd632c7d33e571e9f24556ebed26c3479a87130 0} e
  57         set _ $e
  58     } {NOSCRIPT*}
  59
  60     test {EVAL - Redis integer -> Lua type conversion} {
  61         r eval {
  62             local foo = redis.pcall('incr','x')
  63             return {type(foo),foo}
  64         } 0
  65     } {number 1}
  66
  67     test {EVAL - Redis bulk -> Lua type conversion} {
  68         r set mykey myval
  69         r eval {
  70             local foo = redis.pcall('get','mykey')
  71             return {type(foo),foo}
  72         } 0
  73     } {string myval}
  74
  75     test {EVAL - Redis multi bulk -> Lua type conversion} {
  76         r del mylist
  77         r rpush mylist a
  78         r rpush mylist b
  79         r rpush mylist c
  80         r eval {
  81             local foo = redis.pcall('lrange','mylist',0,-1)
  82             return {type(foo),foo[1],foo[2],foo[3],# foo}
  83         } 0
  84     } {table a b c 3}
  85
  86     test {EVAL - Redis status reply -> Lua type conversion} {
  87         r eval {
  88             local foo = redis.pcall('set','mykey','myval')
  89             return {type(foo),foo['ok']}
  90         } 0
  91     } {table OK}
  92
  93     test {EVAL - Redis error reply -> Lua type conversion} {
  94         r set mykey myval
  95         r eval {
  96             local foo = redis.pcall('incr','mykey')
  97             return {type(foo),foo['err']}
  98         } 0
  99     } {table {ERR value is not an integer or out of range}}
 100
 101     test {EVAL - Redis nil bulk reply -> Lua type conversion} {
 102         r del mykey
 103         r eval {
 104             local foo = redis.pcall('get','mykey')
 105             return {type(foo),foo == false}
 106         } 0
 107     } {boolean 1}
 108
 109     test {EVAL - Is Lua affecting the currently selected DB?} {
 110         r set mykey "this is DB 9"
 111         r select 10
 112         r set mykey "this is DB 10"
 113         r eval {return redis.pcall('get','mykey')} 0
 114     } {this is DB 10}
 115
 116     test {EVAL - Is Lua seleced DB retained?} {
 117         r eval {return redis.pcall('select','9')} 0
 118         r get mykey
 119     } {this is DB 9}
 120
 121     test {EVAL - Script can't run more than configured time limit} {
 122         r config set lua-time-limit 1
 123         catch {
 124             r eval {
 125                 local i = 0
 126                 while true do i=i+1 end
 127             } 0
 128         } e
 129         set _ $e
 130     } {*execution time*}
 131
 132     test {EVAL - Scripts can't run certain commands} {
 133         set e {}
 134         catch {r eval {return redis.pcall('spop','x')} 0} e
 135         set e
 136     } {*not allowed*}
 137
 138     test {EVAL - Scripts can't run certain commands} {
 139         set e {}
 140         catch {
 141             r eval "redis.pcall('randomkey'); return redis.pcall('set','x','ciao')" 0
 142         } e
 143         set e
 144     } {*not allowed after*}
 145
 146     test {EVAL - redis.call variant raises a Lua error on Redis cmd error (1)} {
 147         set e {}
 148         catch {
 149             r eval "redis.call('nosuchcommand')" 0
 150         } e
 151         set e
 152     } {*Unknown Redis*}
 153
 154     test {EVAL - redis.call variant raises a Lua error on Redis cmd error (1)} {
 155         set e {}
 156         catch {
 157             r eval "redis.call('get','a','b','c')" 0
 158         } e
 159         set e
 160     } {*number of args*}
 161
 162     test {EVAL - redis.call variant raises a Lua error on Redis cmd error (1)} {
 163         set e {}
 164         r set foo bar
 165         catch {
 166             r eval "redis.call('lpush','foo','val')" 0
 167         } e
 168         set e
 169     } {*against a key*}
 170
 171     test {SCRIPTING FLUSH - is able to clear the scripts cache?} {
 172         r set mykey myval
 173         set v [r evalsha 9bd632c7d33e571e9f24556ebed26c3479a87129 0]
 174         assert_equal $v myval
 175         set e ""
 176         r script flush
 177         catch {r evalsha 9bd632c7d33e571e9f24556ebed26c3479a87129 0} e
 178         set e
 179     } {NOSCRIPT*}
 180
 181     test {SCRIPT EXISTS - can detect already defined scripts?} {
 182         r eval "return 1+1" 0
 183         r script exists a27e7e8a43702b7046d4f6a7ccf5b60cef6b9bd9 a27e7e8a43702b7046d4f6a7ccf5b60cef6b9bda
 184     } {1 0}
 185
 186     test {SCRIPT LOAD - is able to register scripts in the scripting cache} {
 187         list \
 188             [r script load "return 'loaded'"] \
 189             [r evalsha b534286061d4b9e4026607613b95c06c06015ae8 0]
 190     } {OK loaded}
 191 }
 192
 193 start_server {tags {"scripting repl"}} {
 194     start_server {} {
 195         test {Before the slave connects we issue an EVAL command} {
 196             r eval {return redis.call('incr','x')} 0
 197         } {1}
 198
 199         test {Connect a slave to the main instance} {
 200             r -1 slaveof [srv 0 host] [srv 0 port]
 201             after 1000
 202             s -1 role
 203         } {slave}
 204
 205         test {Now use EVALSHA against the master} {
 206             r evalsha ae3477e27be955de7e1bc9adfdca626b478d3cb2 0
 207         } {2}
 208
 209         if {$::valgrind} {after 2000} else {after 100}
 210
 211         test {If EVALSHA was replicated as EVAL the slave should be ok} {
 212             r -1 get x
 213         } {2}
 214     }
 215 }