[Tarantool-patches] [PATCH] Stabilize tcp_connect in test_run:cmd()

[Ilya Kosarev]

For some tests, for example, replication/box_set_replication_stress,
socket.tcp_connect() in test_run:cmd() might sometimes fail when
running under high load. Now it is fixed.

Closes #193
---
https://github.com/tarantool/test-run/tree/i.kosarev/gh-193-stabilize-test-run-cmd
https://github.com/tarantool/test-run/issues/193

 test_run.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/test_run.lua b/test_run.lua
index 63dfdef..0d450bd 100644
--- a/test_run.lua
+++ b/test_run.lua
@@ -11,6 +11,9 @@ local clock = require('clock')
 
 local function cmd(self, msg)
     local sock = socket.tcp_connect(self.host, self.port)
+    while sock == nil do
+        sock = socket.tcp_connect(self.host, self.port)
+    end
     local data = msg .. '\n'
     sock:send(data)
 
-- 
2.17.1