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networkxml2conftest: Use dnsmasqCapsNewFromBinary() to construct caps

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DISCLAIMER: dnsmasq capabilities are empty as of v8.0.0-rc1~145.

In a real environment the dnsmasq capabilities are constructed
using dnsmasqCapsNewFromBinary(). We also have
dnsmasqCapsNewFromBuffer() to bypass checks that real code is
doing and just get capabilities object. The latter is used from
test suite.

However, with a little bit of mocking we can test the real life
code. All that's needed is to simulate dnsmasq's output for
--version and --help and mock a stat() that's done in
dnsmasqCapsRefreshInternal().

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Michal Privoznik 2022-01-12 05:42:41 +01:00
parent 4b68c982e2
commit ec9ee676b4
1 changed files with 34 additions and 1 deletions
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35
tests/networkxml2conftest.c
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@ -12,6 +12,8 @@
#include "viralloc.h"
#include "network/bridge_driver.h"
#include "virstring.h"
#define LIBVIRT_VIRCOMMANDPRIV_H_ALLOW
#include "vircommandpriv.h"
#define VIR_FROM_THIS VIR_FROM_NONE
@ -108,13 +110,44 @@ testCompareXMLToConfHelper(const void *data)
return result;
}
static void
buildCapsCallback(const char *const*args,
const char *const*env G_GNUC_UNUSED,
const char *input G_GNUC_UNUSED,
char **output,
char **error G_GNUC_UNUSED,
int *status,
void *opaque G_GNUC_UNUSED)
{
if (STREQ(args[0], "/usr/sbin/dnsmasq") && STREQ(args[1], "--version")) {
*output = g_strdup("Dnsmasq version 2.67\n");
*status = EXIT_SUCCESS;
} else {
*status = EXIT_FAILURE;
}
}
static dnsmasqCaps *
buildCaps(void)
{
g_autoptr(dnsmasqCaps) caps = NULL;
g_autoptr(virCommandDryRunToken) dryRunToken = virCommandDryRunTokenNew();
virCommandSetDryRun(dryRunToken, NULL, true, true, buildCapsCallback, NULL);
caps = dnsmasqCapsNewFromBinary();
return g_steal_pointer(&caps);
}
static int
mymain(void)
{
int ret = 0;
g_autoptr(dnsmasqCaps) full = NULL;
full = dnsmasqCapsNewFromBuffer("Dnsmasq version 2.67");
full = buildCaps();
#define DO_TEST(xname, xcaps) \
do { \