File: net.box_reconnect_after_gh-3164.result

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fiber = require 'fiber'
---
...
log = require 'log'
---
...
test_run = require('test_run').new()
---
...
net = require('net.box')
---
...
test_run:cmd('create server connecter with script = "box/proxy.lua"')
---
- true
...
--
-- gh-3164: netbox connection is not closed and garbage collected
-- ever, if reconnect_after is set.
--
test_run:cmd('start server connecter')
---
- true
...
test_run:cmd("set variable connect_to to 'connecter.listen'")
---
- true
...
weak = setmetatable({}, {__mode = 'v'})
---
...
-- Create strong and weak reference. Weak is valid until strong
-- is valid too.
strong = net.connect(connect_to, {reconnect_after = 0.1})
---
...
weak.c = strong
---
...
weak.c:ping()
---
- true
...
test_run:cmd('stop server connecter')
---
- true
...
test_run:cmd('cleanup server connecter')
---
- true
...
-- Check the connection tries to reconnect at least two times.
-- 'Cannot assign requested address' is the crutch for running the
-- tests in a docker. This error emits instead of
-- 'Connection refused' inside a docker.
old_log_level = box.cfg.log_level
---
...
box.cfg{log_level = 6}
---
...
log.info(string.rep('a', 1000))
---
...
test_run:cmd("setopt delimiter ';'")
---
- true
...
while test_run:grep_log('default', 'Network is unreachable', 1000) == nil and
      test_run:grep_log('default', 'Connection refused', 1000) == nil and
      test_run:grep_log('default', 'Cannot assign requested address', 1000) == nil do
       fiber.sleep(0.1)
end;
---
...
log.info(string.rep('a', 1000));
---
...
while test_run:grep_log('default', 'Network is unreachable', 1000) == nil and
      test_run:grep_log('default', 'Connection refused', 1000) == nil and
      test_run:grep_log('default', 'Cannot assign requested address', 1000) == nil do
       fiber.sleep(0.1)
end;
---
...
test_run:cmd("setopt delimiter ''");
---
- true
...
box.cfg{log_level = old_log_level}
---
...
collectgarbage('collect')
---
- 0
...
strong.state
---
- error_reconnect
...
strong == weak.c
---
- true
...
-- Remove single strong reference. Now connection must be garbage
-- collected.
strong = nil
---
...
collectgarbage('collect')
---
- 0
...
-- Now weak.c is null, because it was weak reference, and the
-- connection is deleted by 'collect'.
weak.c
---
- null
...