tests: Introduce generic device hot-plug/hot-unplug functions

A lot of tests provide code for adding and removing a device via the
device_add and device_del QMP commands. Maintaining this code in so many
places is cumbersome and error-prone (some of the code parts check the
responses for device deletion in an incorrect way, for example, we've got
to deal with both, error code and DEVICE_DEL event here). So let's provide
some proper generic functions for adding and removing a device instead.

The code for correctly unplugging a device has been taken from a patch
from Peter Xu.

Reviewed-by: Peter Xu <peterx@redhat.com>
Tested-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Thomas Huth 2017-08-15 08:58:54 +02:00
parent 3dabde1128
commit acd80015fb
8 changed files with 112 additions and 155 deletions

View file

@ -23,59 +23,16 @@ static void test_xhci_hotplug(void)
static void test_usb_uas_hotplug(void)
{
QDict *response;
response = qmp("{'execute': 'device_add',"
" 'arguments': {"
" 'driver': 'usb-uas',"
" 'id': 'uas'"
"}}");
g_assert(response);
g_assert(!qdict_haskey(response, "error"));
QDECREF(response);
response = qmp("{'execute': 'device_add',"
" 'arguments': {"
" 'driver': 'scsi-hd',"
" 'drive': 'drive0',"
" 'id': 'scsi-hd'"
"}}");
g_assert(response);
g_assert(!qdict_haskey(response, "error"));
QDECREF(response);
qtest_qmp_device_add("usb-uas", "uas", NULL);
qtest_qmp_device_add("scsi-hd", "scsihd", "'drive': 'drive0'");
/* TODO:
UAS HBA driver in libqos, to check that
added disk is visible after BUS rescan
*/
response = qmp("{'execute': 'device_del',"
" 'arguments': {"
" 'id': 'scsi-hd'"
"}}");
g_assert(response);
g_assert(!qdict_haskey(response, "error"));
QDECREF(response);
response = qmp("");
g_assert(qdict_haskey(response, "event"));
g_assert(!strcmp(qdict_get_str(response, "event"), "DEVICE_DELETED"));
QDECREF(response);
response = qmp("{'execute': 'device_del',"
" 'arguments': {"
" 'id': 'uas'"
"}}");
g_assert(response);
g_assert(!qdict_haskey(response, "error"));
QDECREF(response);
response = qmp("");
g_assert(response);
g_assert(qdict_haskey(response, "event"));
g_assert(!strcmp(qdict_get_str(response, "event"), "DEVICE_DELETED"));
QDECREF(response);
qtest_qmp_device_del("scsihd");
qtest_qmp_device_del("uas");
}
int main(int argc, char **argv)