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04-reconn_exp.t
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04-reconn_exp.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: reconn_exp next_delay() sanity
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local reconn_exp = require 'resty.cassandra.policies.reconnection.exp'
ngx.say(reconn_exp.name)
local reconn = reconn_exp.new(1000, 60000) -- 1s, 60s
for i = 1, 10 do
ngx.say(reconn:next_delay('127.0.0.1'))
end
}
}
--- request
GET /t
--- response_body
exponential
1000
4000
9000
16000
25000
36000
49000
60000
60000
60000
--- no_error_log
[error]
=== TEST 2: reconn_exp next_delay() distinct hosts
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local reconn_exp = require 'resty.cassandra.policies.reconnection.exp'
local reconn = reconn_exp.new(1000, 60000) -- 1s, 60s
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
ngx.say('.2 ', reconn:next_delay('127.0.0.2'))
ngx.say('.2 ', reconn:next_delay('127.0.0.2'))
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
ngx.say('.2 ', reconn:next_delay('127.0.0.2'))
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
}
}
--- request
GET /t
--- response_body
.1 1000
.1 4000
.1 9000
.2 1000
.2 4000
.1 16000
.1 25000
.2 9000
.1 36000
--- no_error_log
[error]
=== TEST 3: reconn_exp next_delay() base and max
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local reconn_exp = require 'resty.cassandra.policies.reconnection.exp'
local reconn = reconn_exp.new(4000, 20000)
for i = 1, 5 do
ngx.say(reconn:next_delay('127.0.0.1'))
end
}
}
--- request
GET /t
--- response_body
4000
16000
20000
20000
20000
--- no_error_log
[error]
=== TEST 4: reconn_exp input check
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local reconn_exp = require 'resty.cassandra.policies.reconnection.exp'
local ok, err = pcall(reconn_exp.new)
ngx.say(ok, ' ', err)
ok, err = pcall(reconn_exp.new, 0)
ngx.say(ok, ' ', err)
ok, err = pcall(reconn_exp.new, 1)
ngx.say(ok, ' ', err)
ok, err = pcall(reconn_exp.new, 1, 0)
ngx.say(ok, ' ', err)
}
}
--- request
GET /t
--- response_body
false arg #1 base_delay must be a positive integer
false arg #1 base_delay must be a positive integer
false arg #2 max_delay must be a positive integer
false arg #2 max_delay must be a positive integer
--- no_error_log
[error]
=== TEST 5: reconn_exp reset()
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local reconn_exp = require 'resty.cassandra.policies.reconnection.exp'
local reconn = reconn_exp.new(1000, 60000)
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
ngx.say('.2 ', reconn:next_delay('127.0.0.2'))
ngx.say('.2 ', reconn:next_delay('127.0.0.2'))
ngx.say('.2 ', reconn:next_delay('127.0.0.2'))
reconn:reset('127.0.0.1')
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
ngx.say('.1 ', reconn:next_delay('127.0.0.1'))
ngx.say('.2 ', reconn:next_delay('127.0.0.2'))
}
}
--- request
GET /t
--- response_body
.1 1000
.1 4000
.1 9000
.2 1000
.2 4000
.2 9000
.1 1000
.1 4000
.1 9000
.2 16000
--- no_error_log
[error]
=== TEST 6: reconn_exp reset() ignores invalid hosts
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local reconn_exp = require 'resty.cassandra.policies.reconnection.exp'
local reconn = reconn_exp.new(1000, 60000)
reconn:reset('foobar')
}
}
--- request
GET /t
--- response_body
--- no_error_log
[error]