[Tarantool-patches] [PATCH] test: merge possilbe failed test outputs for election_qsync

[Alexander V. Tikhonov]

Hi Sergey, thanks for the fast fix. I've checked the patch and it helped
to use checksums on fails of this test. Patch LGTM.

On Mon, Oct 12, 2020 at 03:09:04PM +0300, Serge Petrenko wrote:
> Instead of having all possible 2^10 diffs in case select{} fails,
> log the select{} output in case the space contains less than 10
> elements.
> Requested by @avtikhon for easier flaky test handling.
> 
> Related to #5395
> ---
> https://github.com/tarantool/tarantool/issues/5395
> https://github.com/tarantool/tarantool/tree/sp/gh-5395-minimize-test-output
> 
>  test/replication/election_qsync.result   | 15 +++------------
>  test/replication/election_qsync.test.lua |  2 +-
>  2 files changed, 4 insertions(+), 13 deletions(-)
> 
> diff --git a/test/replication/election_qsync.result b/test/replication/election_qsync.result
> index 9497b37bf..09a76c51c 100644
> --- a/test/replication/election_qsync.result
> +++ b/test/replication/election_qsync.result
> @@ -109,18 +109,9 @@ test_run:cmd('setopt delimiter ""');
>   | - true
>   | ...
>  -- We're connected to some leader.
> -c.space.test:select{}
> - | ---
> - | - - [1]
> - |   - [2]
> - |   - [3]
> - |   - [4]
> - |   - [5]
> - |   - [6]
> - |   - [7]
> - |   - [8]
> - |   - [9]
> - |   - [10]
> +#c.space.test:select{} == 10 or require('log').error(c.space.test:select{})
> + | ---
> + | - true
>   | ...
>  
>  test_run:drop_cluster(SERVERS)
> diff --git a/test/replication/election_qsync.test.lua b/test/replication/election_qsync.test.lua
> index bca1b20c7..f84ca8440 100644
> --- a/test/replication/election_qsync.test.lua
> +++ b/test/replication/election_qsync.test.lua
> @@ -68,6 +68,6 @@ for i = 1,10 do
>  end;
>  test_run:cmd('setopt delimiter ""');
>  -- We're connected to some leader.
> -c.space.test:select{}
> +#c.space.test:select{} == 10 or require('log').error(c.space.test:select{})
>  
>  test_run:drop_cluster(SERVERS)
> -- 
> 2.24.3 (Apple Git-128)
>