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Re: [Qemu-devel] [PATCH v2 2/4] qtest: introduce qmp_exec_hmp_cmd()


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH v2 2/4] qtest: introduce qmp_exec_hmp_cmd()
Date: Thu, 5 Jun 2014 11:29:03 +0200
User-agent: Mutt/1.5.23 (2014-03-12)

On Thu, Jun 05, 2014 at 01:45:16PM +0800, Amos Kong wrote:
> Signed-off-by: Amos Kong <address@hidden>
> ---
>  tests/libqtest.c | 16 ++++++++++++++++
>  tests/libqtest.h |  8 ++++++++
>  2 files changed, 24 insertions(+)
> 
> diff --git a/tests/libqtest.c b/tests/libqtest.c
> index 71468ac..ceb1734 100644
> --- a/tests/libqtest.c
> +++ b/tests/libqtest.c
> @@ -646,3 +646,19 @@ void qmp_discard_response(const char *fmt, ...)
>      qtest_qmpv_discard_response(global_qtest, fmt, ap);
>      va_end(ap);
>  }
> +
> +void qmp_exec_hmp_cmd(const char *cmd, const char *expected_ret)
> +{
> +    QDict *response;
> +    const char *response_return;
> +
> +    response = qmp("{\"execute\": \"human-monitor-command\","
> +                   " \"arguments\": {"
> +                   "   \"command-line\": \"%s\""
> +                   "}}", g_strescape(cmd, NULL));

You need to free the g_strescape() return value after using it.

> +    g_assert(response);
> +    response_return = qdict_get_try_str(response, "return");
> +    g_assert(response_return);
> +    g_assert_cmpstr(response_return, ==, expected_ret);
> +    QDECREF(response);
> +}
> diff --git a/tests/libqtest.h b/tests/libqtest.h
> index 8f323c7..e095df2 100644
> --- a/tests/libqtest.h
> +++ b/tests/libqtest.h
> @@ -375,6 +375,14 @@ QDict *qmp(const char *fmt, ...);
>  void qmp_discard_response(const char *fmt, ...);
>  
>  /**
> + * qmp_exec_hmp_cmd:
> + * @fmt...: HMP command to execute

'fmt...' doesn't exist.  Please document cmd and expected_ret.

> + *
> + * Executes HMP command by 'human-monitor-command'.
> + */
> +void qmp_exec_hmp_cmd(const char *cmd, const char *expected_ret);
> +
> +/**
>   * qmp_receive:
>   *
>   * Reads a QMP message from QEMU and returns the response.
> -- 
> 1.9.3
> 



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