On 04/04/2018 04:13 AM, Peter Krempa wrote:
> Allow testing of XML->argv conversion with using a real capability map
> as used in the qemucapabilitiestest. This allows specifying the required
> qemu version with the test rather than having to enumerate all the
> required capabilities.
> 
> Signed-off-by: Peter Krempa <pkre...@redhat.com>
> ---
>  tests/qemuxml2argvtest.c | 31 +++++++++++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
> 
> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
> index d79913dd0a..c540ce2f50 100644
> --- a/tests/qemuxml2argvtest.c
> +++ b/tests/qemuxml2argvtest.c
> @@ -654,6 +654,37 @@ mymain(void)
>      if (VIR_STRDUP_QUIET(driver.config->memoryBackingDir, 
> "/var/lib/libvirt/qemu/ram") < 0)
>          return EXIT_FAILURE;
> 
> +
> +# define DO_TEST_CAPS_ARCH(name, migrateFrom, flags, \
> +                           parseFlags, gic, arch, ver) \
> +    do { \
> +        static struct testInfo info = { \
> +            name, NULL, migrateFrom, migrateFrom ? 7 : -1, (flags), 
> parseFlags, \
> +            false, NULL \
> +        }; \
> +        info.skipLegacyCPUs = skipLegacyCPUs; \
> +        if (testInitQEMUCaps(&info, gic) < 0) \
> +            return EXIT_FAILURE; \
> +        if (!(info.qemuCaps = 
> qemuTestParseCapabilitiesArch(virArchFromString(arch), \
> +                                          abs_srcdir 
> "/qemucapabilitiesdata/caps_" \
> +                                          ver "." arch ".xml"))) \
> +            return EXIT_FAILURE; \
> +        if (virTestRun("QEMU XML-2-ARGV " name, \
> +                       testCompareXMLToArgv, &info) < 0) \
> +            ret = -1; \
> +        if (info.vm && virTestRun("QEMU XML-2-startup-XML " name, \
> +                                  testCompareXMLToStartupXML, &info) < 0) \
> +            ret = -1; \
> +        virObjectUnref(info.qemuCaps); \
> +        virObjectUnref(info.vm); \
> +    } while (0)
> +
> +# define DO_TEST_CAPS_FULL(name, flags, parseFlags, ver) \
> +    DO_TEST_CAPS_ARCH(name, NULL, flags, parseFlags, GIC_NONE, "x86_64", ver)

Assumes x64_64...

> +
> +# define DO_TEST_CAPS(name, ver) \
> +    DO_TEST_CAPS_FULL(name, 0, 0, ver)
> +
>  # define DO_TEST_FULL(name, migrateFrom, migrateFd, flags, \
>                        parseFlags, gic, ...) \
>      do { \
> 

Do you expect to see wide spread and future use of this model as opposed
to the existing DO_TEST model? Shouldn't at least some of the existing
tests be converted, then?

Perhaps the macro(s) should be DO_TEST_VERS[ION] or DO_TEST_<ARCH>_VERS
instead since DO_TEST runs the test with specific capabilities and this
new model runs the test with a specific version for a specific platform.

How do or should we enforce that when adding a new test from this point
forward that the DO_TEST_CAPS model is chosen over DO_TEST?  I suppose
there is still value in DO_TEST since one can pick and choose which CAP
is needed - although I'll freely admit that's usually a cut-n-paste from
some other test and change the name type activity.

I think I have too many questions for an R-b at this point.


John

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