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tests/qtest: Add a function to check whether a machine is available

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It is nowadays possible to build QEMU with a reduced set of machines
in each binary. However, the qtests still hard-code the expected
machines and fail if the binary does not feature the required machine.
Let's get a little bit more flexible here: Add a function that can be
used to query whether a certain machine is available or not, and use
it in some tests as an example (more work has to be done in other
tests which will follow later).

Message-Id: <20211201104347.51922-5-thuth@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Thomas Huth 2021-12-01 11:43:47 +01:00
parent 5516a3b592
commit 719051ca3f
5 changed files with 37 additions and 7 deletions
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3
tests/qtest/boot-serial-test.c
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@ -285,7 +285,8 @@ int main(int argc, char *argv[])
g_test_init(&argc, &argv, NULL);
for (i = 0; tests[i].arch != NULL; i++) {
if (strcmp(arch, tests[i].arch) == 0) {
if (g_str_equal(arch, tests[i].arch) &&
qtest_has_machine(tests[i].machine)) {
char *name = g_strdup_printf("boot-serial/%s", tests[i].machine);
qtest_add_data_func(name, &tests[i], test_machine);
g_free(name);

8
tests/qtest/cdrom-test.c
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@ -109,9 +109,11 @@ static void test_cdrom_param(gconstpointer data)
static void add_cdrom_param_tests(const char **machines)
{
while (*machines) {
char *testname = g_strdup_printf("cdrom/param/%s", *machines);
qtest_add_data_func(testname, *machines, test_cdrom_param);
g_free(testname);
if (qtest_has_machine(*machines)) {
char *testname = g_strdup_printf("cdrom/param/%s", *machines);
qtest_add_data_func(testname, *machines, test_cdrom_param);
g_free(testname);
}
machines++;
}
}

8
tests/qtest/libqos/libqtest.h
View File

@ -710,6 +710,14 @@ QDict *qmp_fd(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
void qtest_cb_for_every_machine(void (*cb)(const char *machine),
bool skip_old_versioned);
/**
* qtest_has_machine:
* @machine: The machine to look for
*
* Returns: true if the machine is available in the target binary.
*/
bool qtest_has_machine(const char *machine);
/**
* qtest_qmp_device_add_qdict:
* @qts: QTestState instance to operate on

17
tests/qtest/libqtest.c
View File

@ -1401,6 +1401,23 @@ void qtest_cb_for_every_machine(void (*cb)(const char *machine),
}
}
bool qtest_has_machine(const char *machine)
{
struct MachInfo *machines;
int i;
machines = qtest_get_machines();
for (i = 0; machines[i].name != NULL; i++) {
if (g_str_equal(machine, machines[i].name) ||
(machines[i].alias && g_str_equal(machine, machines[i].alias))) {
return true;
}
}
return false;
}
/*
* Generic hot-plugging test via the device_add QMP commands.
*/

8
tests/qtest/prom-env-test.c
View File

@ -71,9 +71,11 @@ static void add_tests(const char *machines[])
char *name;
for (i = 0; machines[i] != NULL; i++) {
name = g_strdup_printf("prom-env/%s", machines[i]);
qtest_add_data_func(name, machines[i], test_machine);
g_free(name);
if (qtest_has_machine(machines[i])) {
name = g_strdup_printf("prom-env/%s", machines[i]);
qtest_add_data_func(name, machines[i], test_machine);
g_free(name);
}
}
}