libvirt/tests/qemucapabilitiestest.c

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/*
* Copyright (C) 2011-2013 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include <config.h>
#include "testutils.h"
#include "testutilsqemu.h"
#include "qemumonitortestutils.h"
#define VIR_FROM_THIS VIR_FROM_NONE
typedef struct _testQemuData testQemuData;
typedef testQemuData * testQemuDataPtr;
struct _testQemuData {
virDomainXMLOptionPtr xmlopt;
const char *base;
};
static qemuMonitorTestPtr
testQemuFeedMonitor(char *replies,
virDomainXMLOptionPtr xmlopt)
{
qemuMonitorTestPtr test = NULL;
char *tmp = replies;
char *singleReply = tmp;
/* Our JSON parser expects replies to be separated by a newline character.
* Hence we must preprocess the file a bit. */
while ((tmp = strchr(tmp, '\n'))) {
/* It is safe to touch tmp[1] since all strings ends with '\0'. */
bool eof = !tmp[1];
if (*(tmp + 1) != '\n') {
*tmp = ' ';
tmp++;
} else {
/* Cut off a single reply. */
*(tmp + 1) = '\0';
if (test) {
if (qemuMonitorTestAddItem(test, NULL, singleReply) < 0)
goto error;
} else {
/* Create new mocked monitor with our greeting */
if (!(test = qemuMonitorTestNew(true, xmlopt, NULL, NULL, singleReply)))
goto error;
}
if (!eof) {
/* Move the @tmp and @singleReply. */
tmp += 2;
singleReply = tmp;
}
}
if (eof)
break;
}
if (test && qemuMonitorTestAddItem(test, NULL, singleReply) < 0)
goto error;
return test;
error:
qemuMonitorTestFree(test);
return NULL;
}
static virQEMUCapsPtr
testQemuGetCaps(char *caps)
{
virQEMUCapsPtr qemuCaps = NULL;
xmlDocPtr xml;
xmlXPathContextPtr ctxt = NULL;
ssize_t i, n;
xmlNodePtr *nodes = NULL;
if (!(xml = virXMLParseStringCtxt(caps, "(test caps)", &ctxt)))
goto error;
if ((n = virXPathNodeSet("/qemuCaps/flag", ctxt, &nodes)) < 0) {
fprintf(stderr, "failed to parse qemu capabilities flags");
goto error;
}
if (n > 0) {
if (!(qemuCaps = virQEMUCapsNew()))
goto error;
for (i = 0; i < n; i++) {
char *str = virXMLPropString(nodes[i], "name");
if (str) {
int flag = virQEMUCapsTypeFromString(str);
if (flag < 0) {
fprintf(stderr, "Unknown qemu capabilities flag %s", str);
VIR_FREE(str);
goto error;
}
VIR_FREE(str);
virQEMUCapsSet(qemuCaps, flag);
}
}
}
VIR_FREE(nodes);
xmlFreeDoc(xml);
xmlXPathFreeContext(ctxt);
return qemuCaps;
error:
VIR_FREE(nodes);
virObjectUnref(qemuCaps);
xmlFreeDoc(xml);
xmlXPathFreeContext(ctxt);
return NULL;
}
static int
testQemuCapsCompare(virQEMUCapsPtr capsProvided,
virQEMUCapsPtr capsComputed)
{
int ret = 0;
size_t i;
for (i = 0; i < QEMU_CAPS_LAST; i++) {
if (virQEMUCapsGet(capsProvided, i) &&
!virQEMUCapsGet(capsComputed, i)) {
fprintf(stderr, "Caps mismatch: capsComputed is missing %s\n",
virQEMUCapsTypeToString(i));
ret = -1;
}
if (virQEMUCapsGet(capsComputed, i) &&
!virQEMUCapsGet(capsProvided, i)) {
fprintf(stderr, "Caps mismatch: capsProvided is missing %s\n",
virQEMUCapsTypeToString(i));
ret = -1;
}
}
return ret;
}
static int
testQemuCaps(const void *opaque)
{
int ret = -1;
const testQemuData *data = opaque;
char *repliesFile = NULL, *capsFile = NULL;
char *replies = NULL, *caps = NULL;
qemuMonitorTestPtr mon = NULL;
virQEMUCapsPtr capsProvided = NULL, capsComputed = NULL;
if (virAsprintf(&repliesFile, "%s/qemucapabilitiesdata/%s.replies",
abs_srcdir, data->base) < 0 ||
virAsprintf(&capsFile, "%s/qemucapabilitiesdata/%s.caps",
abs_srcdir, data->base) < 0)
goto cleanup;
if (virtTestLoadFile(repliesFile, &replies) < 0 ||
virtTestLoadFile(capsFile, &caps) < 0)
goto cleanup;
if (!(mon = testQemuFeedMonitor(replies, data->xmlopt)))
goto cleanup;
if (!(capsProvided = testQemuGetCaps(caps)))
goto cleanup;
if (!(capsComputed = virQEMUCapsNew()))
goto cleanup;
if (virQEMUCapsInitQMPMonitor(capsComputed,
qemuMonitorTestGetMonitor(mon)) < 0)
goto cleanup;
if (testQemuCapsCompare(capsProvided, capsComputed) < 0)
goto cleanup;
ret = 0;
cleanup:
VIR_FREE(repliesFile);
VIR_FREE(capsFile);
VIR_FREE(replies);
VIR_FREE(caps);
qemuMonitorTestFree(mon);
virObjectUnref(capsProvided);
virObjectUnref(capsComputed);
return ret;
}
static int
mymain(void)
{
int ret = 0;
virDomainXMLOptionPtr xmlopt;
testQemuData data;
#if !WITH_YAJL
fputs("libvirt not compiled with yajl, skipping this test\n", stderr);
return EXIT_AM_SKIP;
#endif
if (virThreadInitialize() < 0 ||
!(xmlopt = virQEMUDriverCreateXMLConf(NULL)))
return EXIT_FAILURE;
virEventRegisterDefaultImpl();
data.xmlopt = xmlopt;
#define DO_TEST(name) \
data.base = name; \
if (virtTestRun(name, testQemuCaps, &data) < 0) \
ret = -1
DO_TEST("caps_1.2.2-1");
DO_TEST("caps_1.3.1-1");
DO_TEST("caps_1.4.2-1");
DO_TEST("caps_1.5.3-1");
DO_TEST("caps_1.6.0-1");
DO_TEST("caps_1.6.50-1");
virObjectUnref(xmlopt);
return (ret == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIRT_TEST_MAIN(mymain)