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tests for BLPOP/BRPOP via an option in the tcl client that defers reading the reply

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This commit is contained in:
Pieter Noordhuis 2010-06-15 21:16:27 +02:00
parent d5096a28d7
commit 5eedc9c65e
4 changed files with 128 additions and 10 deletions
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27
tests/support/redis.tcl
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@ -32,6 +32,7 @@ namespace eval redis {}
set ::redis::id 0
array set ::redis::fd {}
array set ::redis::blocking {}
array set ::redis::deferred {}
array set ::redis::callback {}
array set ::redis::state {} ;# State in non-blocking reply reading
array set ::redis::statestack {} ;# Stack of states, for nested mbulks
@ -55,12 +56,13 @@ foreach redis_multibulk_cmd {
unset redis_bulk_cmd
unset redis_multibulk_cmd
proc redis {{server 127.0.0.1} {port 6379}} {
proc redis {{server 127.0.0.1} {port 6379} {defer 0}} {
set fd [socket $server $port]
fconfigure $fd -translation binary
set id [incr ::redis::id]
set ::redis::fd($id) $fd
set ::redis::blocking($id) 1
set ::redis::deferred($id) $defer
::redis::redis_reset_state $id
interp alias {} ::redis::redisHandle$id {} ::redis::__dispatch__ $id
}
@ -68,6 +70,7 @@ proc redis {{server 127.0.0.1} {port 6379}} {
proc ::redis::__dispatch__ {id method args} {
set fd $::redis::fd($id)
set blocking $::redis::blocking($id)
set deferred $::redis::deferred($id)
if {$blocking == 0} {
if {[llength $args] == 0} {
error "Please provide a callback in non-blocking mode"
@ -95,14 +98,16 @@ proc ::redis::__dispatch__ {id method args} {
append cmd [join $args]
::redis::redis_writenl $fd $cmd
}
if {$blocking} {
::redis::redis_read_reply $fd
} else {
# Every well formed reply read will pop an element from this
# list and use it as a callback. So pipelining is supported
# in non blocking mode.
lappend ::redis::callback($id) $callback
fileevent $fd readable [list ::redis::redis_readable $fd $id]
if {!$deferred} {
if {$blocking} {
::redis::redis_read_reply $fd
} else {
# Every well formed reply read will pop an element from this
# list and use it as a callback. So pipelining is supported
# in non blocking mode.
lappend ::redis::callback($id) $callback
fileevent $fd readable [list ::redis::redis_readable $fd $id]
}
}
} else {
uplevel 1 [list ::redis::__method__$method $id $fd] $args
@ -114,6 +119,10 @@ proc ::redis::__method__blocking {id fd val} {
fconfigure $fd -blocking $val
}
proc ::redis::__method__read {id fd} {
::redis::redis_read_reply $fd
}
proc ::redis::__method__close {id fd} {
catch {close $fd}
catch {unset ::redis::fd($id)}

2
tests/support/test.tcl
View File

@ -17,7 +17,7 @@ proc assert_equal {expected value} {
}
proc assert_error {pattern code} {
if {[catch $code error]} {
if {[catch {uplevel 1 $code} error]} {
assert_match $pattern $error
} else {
puts "!! ERROR\nExpected an error but nothing was catched"

16
tests/test_helper.tcl
View File

@ -42,6 +42,22 @@ proc r {args} {
[srv $level "client"] {*}$args
}
proc redis_deferring_client {args} {
set level 0
if {[llength $args] > 0 && [string is integer [lindex $args 0]]} {
set level [lindex $args 0]
set args [lrange $args 1 end]
}
# create client that defers reading reply
set client [redis [srv $level "host"] [srv $level "port"] 1]
# select the right db and read the response (OK)
$client select 9
$client read
return $client
}
# Provide easy access to INFO properties. Same semantic as "proc r".
proc s {args} {
set level 0

93
tests/unit/type/list.tcl
View File

@ -78,6 +78,99 @@ start_server {
assert_encoding linkedlist $key
}
foreach type {ziplist linkedlist} {
test "BLPOP, BRPOP: single existing list - $type" {
set rd [redis_deferring_client]
create_$type blist {a b c d}
$rd blpop blist 1
assert_equal {blist a} [$rd read]
$rd brpop blist 1
assert_equal {blist d} [$rd read]
$rd blpop blist 1
assert_equal {blist b} [$rd read]
$rd brpop blist 1
assert_equal {blist c} [$rd read]
}
test "BLPOP, BRPOP: multiple existing lists - $type" {
set rd [redis_deferring_client]
create_$type blist1 {a b c}
create_$type blist2 {d e f}
$rd blpop blist1 blist2 1
assert_equal {blist1 a} [$rd read]
$rd brpop blist1 blist2 1
assert_equal {blist1 c} [$rd read]
assert_equal 1 [r llen blist1]
assert_equal 3 [r llen blist2]
$rd blpop blist2 blist1 1
assert_equal {blist2 d} [$rd read]
$rd brpop blist2 blist1 1
assert_equal {blist2 f} [$rd read]
assert_equal 1 [r llen blist1]
assert_equal 1 [r llen blist2]
}
test "BLPOP, BRPOP: second list has an entry - $type" {
set rd [redis_deferring_client]
r del blist1
create_$type blist2 {d e f}
$rd blpop blist1 blist2 1
assert_equal {blist2 d} [$rd read]
$rd brpop blist1 blist2 1
assert_equal {blist2 f} [$rd read]
assert_equal 0 [r llen blist1]
assert_equal 1 [r llen blist2]
}
}
foreach {pop} {BLPOP BRPOP} {
test "$pop: with single empty list argument" {
set rd [redis_deferring_client]
r del blist1
$rd $pop blist1 1
r rpush blist1 foo
assert_equal {blist1 foo} [$rd read]
assert_equal 0 [r exists blist1]
}
test "$pop: second argument is not a list" {
set rd [redis_deferring_client]
r del blist1 blist2
r set blist2 nolist
$rd $pop blist1 blist2 1
assert_error "ERR*wrong kind*" {$rd read}
}
test "$pop: timeout" {
set rd [redis_deferring_client]
r del blist1 blist2
$rd $pop blist1 blist2 1
assert_equal {} [$rd read]
}
test "$pop: arguments are empty" {
set rd [redis_deferring_client]
r del blist1 blist2
$rd $pop blist1 blist2 1
r rpush blist1 foo
assert_equal {blist1 foo} [$rd read]
assert_equal 0 [r exists blist1]
assert_equal 0 [r exists blist2]
$rd $pop blist1 blist2 1
r rpush blist2 foo
assert_equal {blist2 foo} [$rd read]
assert_equal 0 [r exists blist1]
assert_equal 0 [r exists blist2]
}
}
test {LPUSHX, RPUSHX - generic} {
r del xlist
assert_equal 0 [r lpushx xlist a]