[libvirt] [PATCH 3/3] Add qemu help string parsing tests

[Daniel P. Berrange]

On Wed, Jun 10, 2009 at 09:02:41PM +0100, Mark McLoughlin wrote:
> diff --git a/tests/Makefile.am b/tests/Makefile.am
> index 621a0be..3d98d69 100644
> --- a/tests/Makefile.am
> +++ b/tests/Makefile.am
> @@ -61,7 +61,7 @@ noinst_PROGRAMS += xml2sexprtest sexpr2xmltest \
>  	reconnect xmconfigtest xencapstest
>  endif
>  if WITH_QEMU
> -noinst_PROGRAMS += qemuxml2argvtest qemuxml2xmltest qemuargv2xmltest
> +noinst_PROGRAMS += qemuxml2argvtest qemuxml2xmltest qemuargv2xmltest qemuhelptest
>  endif
>  
>  if WITH_SECDRIVER_SELINUX
> @@ -119,7 +119,7 @@ endif
>  endif
>  
>  if WITH_QEMU
> -TESTS += qemuxml2argvtest qemuxml2xmltest qemuargv2xmltest
> +TESTS += qemuxml2argvtest qemuxml2xmltest qemuargv2xmltest qemuhelptest
>  endif


The test program is only built if WITH_QEMU is defined, so ...


> diff --git a/tests/qemuhelptest.c b/tests/qemuhelptest.c
> new file mode 100644
> index 0000000..836010f
> --- /dev/null
> +++ b/tests/qemuhelptest.c
> @@ -0,0 +1,107 @@
> +#include <config.h>
> +
> +#ifdef WITH_QEMU


....this source file conditional is redundant.

> +
> +#include <stdio.h>
> +#include <stdlib.h>
> +
> +#include "testutils.h"
> +#include "qemu_conf.h"
> +
> +#define MAX_HELP_OUTPUT_SIZE 1024*64
> +
> +struct testInfo {
> +    const char *name;
> +    unsigned flags;
> +    unsigned version;
> +    unsigned is_kvm;
> +    unsigned kvm_version;
> +};
> +
> +static char *progname;
> +static char *abs_srcdir;
> +
> +static int testHelpStrParsing(const void *data)
> +{
> +    const struct testInfo *info = data;
> +    char path[PATH_MAX];
> +    char helpStr[MAX_HELP_OUTPUT_SIZE];
> +    char *help = &(helpStr[0]);
> +    unsigned flags, version, is_kvm, kvm_version;
> +
> +    snprintf(path, PATH_MAX, "%s/qemuhelpdata/%s", abs_srcdir, info->name);
> +
> +    if (virtTestLoadFile(path, &help, MAX_HELP_OUTPUT_SIZE) < 0)
> +        return -1;
> +
> +    if (qemudParseHelpStr(help, &flags, &version, &is_kvm, &kvm_version) == -1)
> +        return -1;
> +
> +    if (flags != info->flags) {
> +        fprintf(stderr, "Computed flags do not match: got 0x%x, expected 0x%x\n",
> +                flags, info->flags);
> +        return -1;
> +    }
> +
> +    if (version != info->version) {
> +        fprintf(stderr, "Parsed versions do not match: got %u, expected %u\n",
> +                version, info->version);
> +        return -1;
> +    }
> +
> +    if (is_kvm != info->is_kvm) {
> +        fprintf(stderr, "Parsed is_kvm flag does not match: got %u, expected %u\n",
> +                is_kvm, info->is_kvm);
> +        return -1;
> +    }
> +
> +    if (kvm_version != kvm_version) {
> +        fprintf(stderr, "Parsed KVM versions do not match: got %u, expected %u\n",
> +                version, kvm_version);
> +        return -1;
> +    }
> +
> +    return 0;
> +}
> +
> +static int
> +mymain(int argc, char **argv)
> +{
> +    int ret = 0;
> +    char cwd[PATH_MAX];
> +
> +    progname = argv[0];
> +
> +    if (argc > 1) {
> +        fprintf(stderr, "Usage: %s\n", progname);
> +        return (EXIT_FAILURE);
> +    }
> +
> +    abs_srcdir = getenv("abs_srcdir");
> +    if (!abs_srcdir)
> +        abs_srcdir = getcwd(cwd, sizeof(cwd));
> +
> +#define DO_TEST(name, flags, version, is_kvm, kvm_version)                          \
> +    do {                                                                            \
> +        const struct testInfo info = { name, flags, version, is_kvm, kvm_version }; \
> +        if (virtTestRun("QEMU Help String Parsing " name,                           \
> +                        1, testHelpStrParsing, &info) < 0)                          \
> +            ret = -1;                                                               \
> +    } while (0)
> +
> +    DO_TEST("qemu-0.9.1",      0x002f, 9001,  0,  0);
> +    DO_TEST("kvm-74",          0x233e, 9001,  1, 74);
> +    DO_TEST("qemu-0.10.5",     0x1c6f, 10005, 0,  0);
> +    DO_TEST("qemu-kvm-0.10.5", 0x3d7e, 10005, 1,  0);
> +    DO_TEST("kvm-86",          0x3d7e, 10050, 1,  0);
> +
> +    return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
> +}
> +
> +VIRT_TEST_MAIN(mymain)
> +
> +#else
> +
> +int main (void) { return (77); /* means 'test skipped' for automake */ }
> +
> +#endif /* WITH_QEMU */

And can kill this dummy main() too


Regards,
Daniel
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