[PATCH v2] tarantoolctl: return an error on enter to a dead socket.

[Vladimir Davydov]

On Tue, Aug 21, 2018 at 09:56:21AM +0300, Serge Petrenko wrote:
> +-- check enter
> +do
> +    local dir = fio.tempdir()
> +
> +    local code = [[ box.cfg{} ]]
> +    create_script(dir, 'script.lua', code)
> +
> +    local status, err = pcall(function()
> +        test:test("check error codes in case of enter", function(test_i)
> +            test_i:plan(10)
> +            check_ok(test_i, dir, 'enter', 'script', 1, nil, "Can't connect to")
> +            local console_sock = 'script.control'
> +            console_sock = fio.pathjoin(dir, console_sock)
> +            test_i:is(fio.path.exists(console_sock), false, "directory clean")
> +            check_ok(test_i, dir, 'start', 'script', 0)
> +            tctl_wait_start(dir, 'script')
> +            test_i:is(fio.path.exists(console_sock), true,
> +                      "unix socket created")
> +            check_ok(test_i, dir, 'stop', 'script', 0)
> +            wait_delete(console_sock)

There's tctl_wait_stop() for this.

Anyway, why do you need to start/stop instance before trying to enter
it? AFAIU you just want to check that 'tarantoolctl enter' returns an
error when called on a closed socket so the code below should be enough.

> +            test_i:is(fio.path.exists(console_sock), false,
> +                      "remove unix socket upon exit")
> +            fio.open(console_sock, 'O_CREAT')
> +            test_i:is(fio.path.exists(console_sock), true, "file created")
> +            check_ok(test_i, dir, 'enter', 'script', 1, nil, "Can't connect to")
> +            fio.unlink(console_sock)
> +        end)
> +    end)
> +
> +    cleanup_instance(dir, 'script')
> +    recursive_rmdir(dir)
> +
> +    if status == false then
> +        print(("Error: %s"):format(err))
> +        os.exit()
> +    end
> +end
> +