[libvirt] [PATCH 5/5] tests: Add a new test for logging outputs parser

[Ján Tomko]

On Wed, Mar 16, 2016 at 12:05:37PM +0100, Erik Skultety wrote:
> Now that the logging output parser has been refactored, add a test for its
> functionality.

It would be nice to add the test before the refactor, if possible.

> ---
>  tests/virlogtest.c | 49 +++++++++++++++++++++++++++++++++++++++++++++----
>  1 file changed, 45 insertions(+), 4 deletions(-)
> 

> +static int
> +testLogParseOutputs(const void *opaque)
> +{
> +    int ret = -1;
> +    const struct testLogData *data = opaque;
> +
> +    ret = virLogParseOutputs(data->str);
> +    if (ret < 0) {
> +        if (!data->pass) {
> +            VIR_TEST_DEBUG("Got expected error: %s\n",
> +                           virGetLastErrorMessage());
> +            virResetLastError();
> +            ret = 0;
> +            goto cleanup;
> +        }
> +    } else if (ret != data->count) {
> +            VIR_TEST_DEBUG("Expected number of parsed outputs is %d, "
> +                           "but got %d\n", data->count, ret);
> +            goto cleanup;
> +    } else if (!data->pass) {
> +        VIR_TEST_DEBUG("Test should have failed\n");
> +        goto cleanup;
> +    }
> +
> +    ret = 0;
> + cleanup:
> +    virLogReset();
> +    return ret;
> +}
>  
>  static int
>  mymain(void)
>  {
>      int ret = 0;
>  
> -#define DO_TEST_FULL(name, test, str, pass)                                 \
> +#define DO_TEST_FULL(name, test, str, count, pass)                          \
>      do {                                                                    \
>          struct testLogData data = {                                         \
> -            str, pass                                                       \
> +            str, count, pass                                                \
>          };                                                                  \
>          if (virtTestRun(name, test, &data) < 0)                             \
>              ret = -1;                                                       \
>      } while (0)
>  
>  #define TEST_LOG_MATCH_FAIL(str)                                            \
> -    DO_TEST_FULL("testLogMatch " # str, testLogMatch, str, false)
> +    DO_TEST_FULL("testLogMatch " # str, testLogMatch, str, 0, false)
>  #define TEST_LOG_MATCH(str)                                                 \
> -    DO_TEST_FULL("testLogMatch " # str, testLogMatch, str, true)
> +    DO_TEST_FULL("testLogMatch " # str, testLogMatch, str, 0, true)
> +
> +#define TEST_PARSE_OUTPUTS_FAIL(str, count)                                 \
> +    DO_TEST_FULL("testLogParseOutputs " # str, testLogParseOutputs, str, count, false)
> +#define TEST_PARSE_OUTPUTS(str, count)                                      \
> +    DO_TEST_FULL("testLogParseOutputs " # str, testLogParseOutputs, str, count, true)
> +
>  
>      TEST_LOG_MATCH("2013-10-11 15:43:43.866+0000: 28302: info : libvirt version: 1.1.3");
>  
>      TEST_LOG_MATCH_FAIL("libvirt:  error : cannot execute binary /usr/libexec/libvirt_lxc: No such file or directory");
> +    TEST_PARSE_OUTPUTS("1:file:/tmp/foo", 1);
> +    TEST_PARSE_OUTPUTS("1:file:/tmp/foo  2:stderr", 2);

virLogParseOutputs not only parses the log outputs, but also registers
them. This will result in the creation of the /tmp/foo file.

Please use /dev/null as the file.

ACK with that change, pushed before the actual refactor.

Jan