tests/unit/protocol.tcl

   1 start_server {tags {"protocol"}} {
   2     test "Handle an empty query" {
   3         reconnect
   4         r write "\r\n"
   5         r flush
   6         assert_equal "PONG" [r ping]
   7     }
   8
   9     test "Negative multibulk length" {
  10         reconnect
  11         r write "*-10\r\n"
  12         r flush
  13         assert_equal PONG [r ping]
  14     }
  15
  16     test "Out of range multibulk length" {
  17         reconnect
  18         r write "*20000000\r\n"
  19         r flush
  20         assert_error "*invalid multibulk length*" {r read}
  21     }
  22
  23     test "Wrong multibulk payload header" {
  24         reconnect
  25         r write "*3\r\n\$3\r\nSET\r\n\$1\r\nx\r\nfooz\r\n"
  26         r flush
  27         assert_error "*expected '$', got 'f'*" {r read}
  28     }
  29
  30     test "Negative multibulk payload length" {
  31         reconnect
  32         r write "*3\r\n\$3\r\nSET\r\n\$1\r\nx\r\n\$-10\r\n"
  33         r flush
  34         assert_error "*invalid bulk length*" {r read}
  35     }
  36
  37     test "Out of range multibulk payload length" {
  38         reconnect
  39         r write "*3\r\n\$3\r\nSET\r\n\$1\r\nx\r\n\$2000000000\r\n"
  40         r flush
  41         assert_error "*invalid bulk length*" {r read}
  42     }
  43
  44     test "Non-number multibulk payload length" {
  45         reconnect
  46         r write "*3\r\n\$3\r\nSET\r\n\$1\r\nx\r\n\$blabla\r\n"
  47         r flush
  48         assert_error "*invalid bulk length*" {r read}
  49     }
  50
  51     test "Multi bulk request not followed by bulk arguments" {
  52         reconnect
  53         r write "*1\r\nfoo\r\n"
  54         r flush
  55         assert_error "*expected '$', got 'f'*" {r read}
  56     }
  57
  58     test "Generic wrong number of args" {
  59         reconnect
  60         assert_error "*wrong*arguments*ping*" {r ping x y z}
  61     }
  62
  63     set c 0
  64     foreach seq [list "\x00" "*\x00" "$\x00"] {
  65         incr c
  66         test "Protocol desync regression test #$c" {
  67             set s [socket [srv 0 host] [srv 0 port]]
  68             puts -nonewline $s $seq
  69             set payload [string repeat A 1024]"\n"
  70             set test_start [clock seconds]
  71             set test_time_limit 5
  72             while 1 {
  73                 if {[catch {
  74                     puts -nonewline $s payload
  75                     flush $s
  76                     incr payload_size [string length $payload]
  77                 }]} {
  78                     set retval [gets $s]
  79                     close $s
  80                     break
  81                 } else {
  82                     set elapsed [expr {[clock seconds]-$test_start}]
  83                     if {$elapsed > $test_time_limit} {
  84                         close $s
  85                         error "assertion:Redis did not closed connection after protocol desync"
  86                     }
  87                 }
  88             }
  89             set retval
  90         } {*Protocol error*}
  91     }
  92     unset c
  93 }
  94
  95 start_server {tags {"regression"}} {
  96     test "Regression for a crash with blocking ops and pipelining" {
  97         set rd [redis_deferring_client]
  98         set fd [r channel]
  99         set proto "*3\r\n\$5\r\nBLPOP\r\n\$6\r\nnolist\r\n\$1\r\n0\r\n"
 100         puts -nonewline $fd $proto$proto
 101         flush $fd
 102         set res {}
 103
 104         $rd rpush nolist a
 105         $rd read
 106         $rd rpush nolist a
 107         $rd read
 108     }
 109 }