/
sanity.t
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/
sanity.t
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# vim:set ft= ts=4 sw=4 et:
use Test::Nginx::Socket::Lua;
use Cwd qw(cwd);
repeat_each(2);
plan tests => repeat_each() * (blocks() * 3);
my $pwd = cwd();
our $HttpConfig = qq{
lua_package_path "$pwd/lib/?.lua;;";
lua_package_cpath "/usr/local/openresty-debug/lualib/?.so;/usr/local/openresty/lualib/?.so;;";
lua_shared_dict cache_locks 100k;
};
$ENV{TEST_NGINX_RESOLVER} = '8.8.8.8';
$ENV{TEST_NGINX_REDIS_PORT} ||= 6379;
no_long_string();
#no_diff();
run_tests();
__DATA__
=== TEST 1: lock is subject to garbage collection
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local lock = require "resty.lock"
for i = 1, 2 do
collectgarbage("collect")
local lock = lock:new("cache_locks")
local elapsed, err = lock:lock("foo")
ngx.say("lock: ", elapsed, ", ", err)
end
collectgarbage("collect")
';
}
--- request
GET /t
--- response_body
lock: 0, nil
lock: 0, nil
--- no_error_log
[error]
=== TEST 2: serial lock and unlock
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local lock = require "resty.lock"
for i = 1, 2 do
local lock = lock:new("cache_locks")
local elapsed, err = lock:lock("foo")
ngx.say("lock: ", elapsed, ", ", err)
local ok, err = lock:unlock()
if not ok then
ngx.say("failed to unlock: ", err)
end
ngx.say("unlock: ", ok)
end
';
}
--- request
GET /t
--- response_body
lock: 0, nil
unlock: 1
lock: 0, nil
unlock: 1
--- no_error_log
[error]
=== TEST 3: timed out locks
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local lock = require "resty.lock"
for i = 1, 2 do
local lock1 = lock:new("cache_locks", { timeout = 0.01 })
local lock2 = lock:new("cache_locks", { timeout = 0.01 })
local elapsed, err = lock1:lock("foo")
ngx.say("lock 1: lock: ", elapsed, ", ", err)
local elapsed, err = lock2:lock("foo")
ngx.say("lock 2: lock: ", elapsed, ", ", err)
local ok, err = lock1:unlock()
ngx.say("lock 1: unlock: ", ok, ", ", err)
local ok, err = lock2:unlock()
ngx.say("lock 2: unlock: ", ok, ", ", err)
end
';
}
--- request
GET /t
--- response_body
lock 1: lock: 0, nil
lock 2: lock: nil, timeout
lock 1: unlock: 1, nil
lock 2: unlock: nil, unlocked
lock 1: lock: 0, nil
lock 2: lock: nil, timeout
lock 1: unlock: 1, nil
lock 2: unlock: nil, unlocked
--- no_error_log
[error]
=== TEST 4: waited locks
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local resty_lock = require "resty.lock"
local key = "blah"
local t, err = ngx.thread.spawn(function ()
local lock = resty_lock:new("cache_locks")
local elapsed, err = lock:lock(key)
ngx.say("sub thread: lock: ", elapsed, " ", err)
ngx.sleep(0.1)
ngx.say("sub thread: unlock: ", lock:unlock(key))
end)
local lock = resty_lock:new("cache_locks")
local elapsed, err = lock:lock(key)
ngx.say("main thread: lock: ", elapsed, " ", err)
ngx.say("main thread: unlock: ", lock:unlock())
';
}
--- request
GET /t
--- response_body_like chop
^sub thread: lock: 0 nil
sub thread: unlock: 1
main thread: lock: 0.12[6-9] nil
main thread: unlock: 1
$
--- no_error_log
[error]
=== TEST 5: waited locks (custom step)
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local resty_lock = require "resty.lock"
local key = "blah"
local t, err = ngx.thread.spawn(function ()
local lock = resty_lock:new("cache_locks")
local elapsed, err = lock:lock(key)
ngx.say("sub thread: lock: ", elapsed, " ", err)
ngx.sleep(0.1)
ngx.say("sub thread: unlock: ", lock:unlock(key))
end)
local lock = resty_lock:new("cache_locks", { step = 0.01 })
local elapsed, err = lock:lock(key)
ngx.say("main thread: lock: ", elapsed, " ", err)
ngx.say("main thread: unlock: ", lock:unlock())
';
}
--- request
GET /t
--- response_body_like chop
^sub thread: lock: 0 nil
sub thread: unlock: 1
main thread: lock: 0.1[4-5]\d* nil
main thread: unlock: 1
$
--- no_error_log
[error]
=== TEST 6: waited locks (custom ratio)
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local resty_lock = require "resty.lock"
local key = "blah"
local t, err = ngx.thread.spawn(function ()
local lock = resty_lock:new("cache_locks")
local elapsed, err = lock:lock(key)
ngx.say("sub thread: lock: ", elapsed, " ", err)
ngx.sleep(0.1)
ngx.say("sub thread: unlock: ", lock:unlock(key))
end)
local lock = resty_lock:new("cache_locks", { ratio = 3 })
local elapsed, err = lock:lock(key)
ngx.say("main thread: lock: ", elapsed, " ", err)
ngx.say("main thread: unlock: ", lock:unlock())
';
}
--- request
GET /t
--- response_body_like chop
^sub thread: lock: 0 nil
sub thread: unlock: 1
main thread: lock: 0.1[2]\d* nil
main thread: unlock: 1
$
--- no_error_log
[error]
=== TEST 7: waited locks (custom max step)
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local resty_lock = require "resty.lock"
local key = "blah"
local t, err = ngx.thread.spawn(function ()
local lock = resty_lock:new("cache_locks")
local elapsed, err = lock:lock(key)
ngx.say("sub thread: lock: ", elapsed, " ", err)
ngx.sleep(0.1)
ngx.say("sub thread: unlock: ", lock:unlock(key))
end)
local lock = resty_lock:new("cache_locks", { max_step = 0.05 })
local elapsed, err = lock:lock(key)
ngx.say("main thread: lock: ", elapsed, " ", err)
ngx.say("main thread: unlock: ", lock:unlock())
';
}
--- request
GET /t
--- response_body_like chop
^sub thread: lock: 0 nil
sub thread: unlock: 1
main thread: lock: 0.11[2-4]\d* nil
main thread: unlock: 1
$
--- no_error_log
[error]
=== TEST 8: lock expired by itself
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local resty_lock = require "resty.lock"
local key = "blah"
local t, err = ngx.thread.spawn(function ()
local lock = resty_lock:new("cache_locks", { exptime = 0.1 })
local elapsed, err = lock:lock(key)
ngx.say("sub thread: lock: ", elapsed, " ", err)
ngx.sleep(0.1)
-- ngx.say("sub thread: unlock: ", lock:unlock(key))
end)
local lock = resty_lock:new("cache_locks", { max_step = 0.05 })
local elapsed, err = lock:lock(key)
ngx.say("main thread: lock: ", elapsed, " ", err)
ngx.say("main thread: unlock: ", lock:unlock())
';
}
--- request
GET /t
--- response_body_like chop
^sub thread: lock: 0 nil
main thread: lock: 0.11[2-4]\d* nil
main thread: unlock: 1
$
--- no_error_log
[error]
=== TEST 9: ref & unref (1 at most)
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local lock = require "resty.lock"
local memo = lock.memo
local ref = lock.ref_obj("foo")
ngx.say(#memo)
lock.unref_obj(ref)
ngx.say(#memo)
ref = lock.ref_obj("bar")
ngx.say(#memo)
lock.unref_obj(ref)
ngx.say(#memo)
';
}
--- request
GET /t
--- response_body
1
0
1
0
--- no_error_log
[error]
=== TEST 10: ref & unref (2 at most)
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local lock = require "resty.lock"
local memo = lock.memo
for i = 1, 2 do
local refs = {}
refs[1] = lock.ref_obj("foo")
ngx.say(#memo)
refs[2] = lock.ref_obj("bar")
ngx.say(#memo)
lock.unref_obj(refs[1])
ngx.say(#memo)
lock.unref_obj(refs[2])
ngx.say(#memo)
end
';
}
--- request
GET /t
--- response_body
1
2
2
2
2
2
1
1
--- no_error_log
[error]
=== TEST 11: lock on a nil key
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local lock = require "resty.lock"
local lock = lock:new("cache_locks")
local elapsed, err = lock:lock(nil)
if elapsed then
ngx.say("lock: ", elapsed, ", ", err)
local ok, err = lock:unlock()
if not ok then
ngx.say("failed to unlock: ", err)
end
else
ngx.say("failed to lock: ", err)
end
';
}
--- request
GET /t
--- response_body
failed to lock: nil key
--- no_error_log
[error]
=== TEST 12: same shdict, multple locks
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local lock = require "resty.lock"
local memo = lock.memo
local lock1 = lock:new("cache_locks", { timeout = 0.01 })
for i = 1, 3 do
lock1:lock("lock_key")
lock1:unlock()
collectgarbage("collect")
end
local lock2 = lock:new("cache_locks", { timeout = 0.01 })
local lock3 = lock:new("cache_locks", { timeout = 0.01 })
lock2:lock("lock_key")
lock3:lock("lock_key")
collectgarbage("collect")
ngx.say(#memo)
lock2:unlock()
lock3:unlock()
collectgarbage("collect")
';
}
--- request
GET /t
--- response_body
4
--- no_error_log
[error]
=== TEST 13: timed out locks (0 timeout)
--- http_config eval: $::HttpConfig
--- config
location = /t {
content_by_lua '
local lock = require "resty.lock"
for i = 1, 2 do
local lock1 = lock:new("cache_locks", { timeout = 0 })
local lock2 = lock:new("cache_locks", { timeout = 0 })
local elapsed, err = lock1:lock("foo")
ngx.say("lock 1: lock: ", elapsed, ", ", err)
local elapsed, err = lock2:lock("foo")
ngx.say("lock 2: lock: ", elapsed, ", ", err)
local ok, err = lock1:unlock()
ngx.say("lock 1: unlock: ", ok, ", ", err)
local ok, err = lock2:unlock()
ngx.say("lock 2: unlock: ", ok, ", ", err)
end
';
}
--- request
GET /t
--- response_body
lock 1: lock: 0, nil
lock 2: lock: nil, timeout
lock 1: unlock: 1, nil
lock 2: unlock: nil, unlocked
lock 1: lock: 0, nil
lock 2: lock: nil, timeout
lock 1: unlock: 1, nil
lock 2: unlock: nil, unlocked
--- no_error_log
[error]