RE: [PATCH v6 2/4] tests/test-replication.c: Add test for for secondary node continuing replication

[Zhang, Chen]

> -----Original Message-----
> From: Lukas Straub <address@hidden>
> Sent: Saturday, October 5, 2019 9:06 PM
> To: qemu-devel <address@hidden>
> Cc: Zhang, Chen <address@hidden>; Jason Wang
> <address@hidden>; Wen Congyang <address@hidden>;
> Xie Changlong <address@hidden>; Kevin Wolf
> <address@hidden>; Max Reitz <address@hidden>; qemu-block
> <address@hidden>
> Subject: [PATCH v6 2/4] tests/test-replication.c: Add test for for secondary
> node continuing replication
> 
> This simulates the case that happens when we resume COLO after failover.
> 
> Signed-off-by: Lukas Straub <address@hidden>
> ---
>  tests/test-replication.c | 52
> ++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 52 insertions(+)
> 
> diff --git a/tests/test-replication.c b/tests/test-replication.c index
> f085d1993a..8e18ecd998 100644
> --- a/tests/test-replication.c
> +++ b/tests/test-replication.c
> @@ -489,6 +489,56 @@ static void test_secondary_stop(void)
>      teardown_secondary();
>  }
> 
> +static void test_secondary_continuous_replication(void)
> +{
> +    BlockBackend *top_blk, *local_blk;
> +    Error *local_err = NULL;
> +
> +    top_blk = start_secondary();
> +    replication_start_all(REPLICATION_MODE_SECONDARY, &local_err);
> +    g_assert(!local_err);
> +
> +    /* write 0x22 to s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
> +    local_blk = blk_by_name(S_LOCAL_DISK_ID);
> +    test_blk_write(local_blk, 0x22, IMG_SIZE / 2, IMG_SIZE / 2, false);
> +
> +    /* replication will backup s_local_disk to s_hidden_disk */
> +    test_blk_read(top_blk, 0x11, IMG_SIZE / 2,
> +                  IMG_SIZE / 2, 0, IMG_SIZE, false);
> +
> +    /* write 0x33 to s_active_disk (0, IMG_SIZE / 2) */
> +    test_blk_write(top_blk, 0x33, 0, IMG_SIZE / 2, false);
> +
> +    /* do failover (active commit) */
> +    replication_stop_all(true, &local_err);
> +    g_assert(!local_err);
> +
> +    /* it should ignore all requests from now on */

Should we need add teardown_secondary() here?

Thanks
Zhang Chen

> +
> +    /* start after failover */
> +    replication_start_all(REPLICATION_MODE_PRIMARY, &local_err);
> +    g_assert(!local_err);
> +
> +    /* checkpoint */
> +    replication_do_checkpoint_all(&local_err);
> +    g_assert(!local_err);
> +
> +    /* stop */
> +    replication_stop_all(true, &local_err);
> +    g_assert(!local_err);
> +
> +    /* read from s_local_disk (0, IMG_SIZE / 2) */
> +    test_blk_read(top_blk, 0x33, 0, IMG_SIZE / 2,
> +                  0, IMG_SIZE / 2, false);
> +
> +
> +    /* read from s_local_disk (IMG_SIZE / 2, IMG_SIZE) */
> +    test_blk_read(top_blk, 0x22, IMG_SIZE / 2,
> +                  IMG_SIZE / 2, 0, IMG_SIZE, false);
> +
> +    teardown_secondary();
> +}
> +
>  static void test_secondary_do_checkpoint(void)
>  {
>      BlockBackend *top_blk, *local_blk;
> @@ -584,6 +634,8 @@ int main(int argc, char **argv)
>      g_test_add_func("/replication/secondary/write", test_secondary_write);
>      g_test_add_func("/replication/secondary/start", test_secondary_start);
>      g_test_add_func("/replication/secondary/stop",  test_secondary_stop);
> +    g_test_add_func("/replication/secondary/continuous_replication",
> +                    test_secondary_continuous_replication);
>      g_test_add_func("/replication/secondary/do_checkpoint",
>                      test_secondary_do_checkpoint);
>      g_test_add_func("/replication/secondary/get_error_all",
> --
> 2.20.1