redis_study/tests/unit/moduleapi/testrdb.tcl
2020-09-05 12:01:22 +08:00

114 lines
5.0 KiB
Tcl

set testmodule [file normalize tests/modules/testrdb.so]
tags "modules" {
test {modules are able to persist types} {
start_server [list overrides [list loadmodule "$testmodule"]] {
r testrdb.set.key key1 value1
assert_equal "value1" [r testrdb.get.key key1]
r debug reload
assert_equal "value1" [r testrdb.get.key key1]
}
}
test {modules global are lost without aux} {
set server_path [tmpdir "server.module-testrdb"]
start_server [list overrides [list loadmodule "$testmodule" "dir" $server_path]] {
r testrdb.set.before global1
assert_equal "global1" [r testrdb.get.before]
}
start_server [list overrides [list loadmodule "$testmodule" "dir" $server_path]] {
assert_equal "" [r testrdb.get.before]
}
}
test {modules are able to persist globals before and after} {
set server_path [tmpdir "server.module-testrdb"]
start_server [list overrides [list loadmodule "$testmodule 2" "dir" $server_path]] {
r testrdb.set.before global1
r testrdb.set.after global2
assert_equal "global1" [r testrdb.get.before]
assert_equal "global2" [r testrdb.get.after]
}
start_server [list overrides [list loadmodule "$testmodule 2" "dir" $server_path]] {
assert_equal "global1" [r testrdb.get.before]
assert_equal "global2" [r testrdb.get.after]
}
}
test {modules are able to persist globals just after} {
set server_path [tmpdir "server.module-testrdb"]
start_server [list overrides [list loadmodule "$testmodule 1" "dir" $server_path]] {
r testrdb.set.after global2
assert_equal "global2" [r testrdb.get.after]
}
start_server [list overrides [list loadmodule "$testmodule 1" "dir" $server_path]] {
assert_equal "global2" [r testrdb.get.after]
}
}
tags {repl} {
test {diskless loading short read with module} {
start_server [list overrides [list loadmodule "$testmodule"]] {
set replica [srv 0 client]
set replica_host [srv 0 host]
set replica_port [srv 0 port]
start_server [list overrides [list loadmodule "$testmodule"]] {
set master [srv 0 client]
set master_host [srv 0 host]
set master_port [srv 0 port]
# Set master and replica to use diskless replication
$master config set repl-diskless-sync yes
$master config set rdbcompression no
$replica config set repl-diskless-load swapdb
for {set k 0} {$k < 30} {incr k} {
r testrdb.set.key key$k [string repeat A [expr {int(rand()*1000000)}]]
}
# Start the replication process...
$master config set repl-diskless-sync-delay 0
$replica replicaof $master_host $master_port
# kill the replication at various points
set attempts 3
if {$::accurate} { set attempts 10 }
for {set i 0} {$i < $attempts} {incr i} {
# wait for the replica to start reading the rdb
# using the log file since the replica only responds to INFO once in 2mb
wait_for_log_message -1 "*Loading DB in memory*" 5 2000 1
# add some additional random sleep so that we kill the master on a different place each time
after [expr {int(rand()*100)}]
# kill the replica connection on the master
set killed [$master client kill type replica]
if {[catch {
set res [wait_for_log_message -1 "*Internal error in RDB*" 5 100 10]
if {$::verbose} {
puts $res
}
}]} {
puts "failed triggering short read"
# force the replica to try another full sync
$master client kill type replica
$master set asdf asdf
# the side effect of resizing the backlog is that it is flushed (16k is the min size)
$master config set repl-backlog-size [expr {16384 + $i}]
}
# wait for loading to stop (fail)
wait_for_condition 100 10 {
[s -1 loading] eq 0
} else {
fail "Replica didn't disconnect"
}
}
# enable fast shutdown
$master config set rdb-key-save-delay 0
}
}
}
}
}