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07-get_or_prepare.t
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07-get_or_prepare.t
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# vim:set ts=4 sw=4 et fdm=marker:
use lib '.';
use Test::Nginx::Socket::Lua;
use t::Util;
our $HttpConfig = $t::Util::HttpConfig;
plan tests => repeat_each() * blocks() * 3;
run_tests();
__DATA__
=== TEST 1: cluster.get_or_prepare() returns query_id
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, 'could not refresh: ', err)
return
end
local coordinator, err = cluster:next_coordinator()
if not coordinator then
ngx.log(ngx.ERR, 'could not get coordinator: ', err)
return
end
local query = 'SELECT * FROM system.peers'
local query_id, err = cluster:get_or_prepare(coordinator, query)
if not query_id then
ngx.log(ngx.ERR, 'could not prepare: ', err)
return
end
local bit = require 'bit'
ngx.say('0x'..bit.tohex(string.byte(query_id)))
}
}
--- request
GET /t
--- response_body_like
0x[\da-fA-F]{8}
--- no_error_log
[error]
=== TEST 2: cluster.get_or_prepare() sets shm and worker cache
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, 'could not refresh: ', err)
return
end
local coordinator, err = cluster:next_coordinator()
if not coordinator then
ngx.log(ngx.ERR, 'could not get coordinator: ', err)
return
end
local query = 'SELECT * FROM system.peers'
local query_id, err = cluster:get_or_prepare(coordinator, query)
if not query_id then
ngx.log(ngx.ERR, 'could not prepare: ', err)
return
end
ngx.say('worker cache is set: ', cluster.prepared_ids[query] == query_id)
ngx.say('shm is set: ', cluster.shm:get('prepared:id:' .. query) == query_id)
}
}
--- request
GET /t
--- response_body
worker cache is set: true
shm is set: true
--- no_error_log
[error]
=== TEST 3: cluster.get_or_prepare() retrieves query id from worker cache
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, 'could not refresh: ', err)
return
end
local coordinator, err = cluster:next_coordinator()
if not coordinator then
ngx.log(ngx.ERR, 'could not get coordinator: ', err)
return
end
-- insert fixture in worker cache
local query = 'SELECT * FROM system.peers'
cluster.prepared_ids[query] = 'our prepared query id from cluster memory'
local query_id, err = cluster:get_or_prepare(coordinator, query)
if not query_id then
ngx.log(ngx.ERR, 'could not prepare: ', err)
return
end
ngx.say(query_id)
}
}
--- request
GET /t
--- response_body
our prepared query id from cluster memory
--- no_error_log
[error]
=== TEST 4: cluster.get_or_prepare() retrieves query_id from shm if not in worker cache
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, 'could not refresh: ', err)
return
end
local coordinator, err = cluster:next_coordinator()
if not coordinator then
ngx.log(ngx.ERR, 'could not get coordinator: ', err)
return
end
local query = 'SELECT * FROM system.peers'
-- erase worker cache
cluster.prepared_ids[query] = nil
-- insert fixture in shm
local ok, err = cluster.shm:set('prepared:id:' .. query, 'our query id from shm')
if not ok then
ngx.log(ngx.ERR, 'could not insert fixture: ', err)
return
end
local query_id, err = cluster:get_or_prepare(coordinator, query)
if not query_id then
ngx.log(ngx.ERR, 'could not prepare: ', err)
return
end
ngx.say(query_id)
}
}
--- request
GET /t
--- response_body
our query id from shm
--- no_error_log
[error]