libvirt/tests/qemucaps2xmltest.c

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/*
* Copyright (C) 2014 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 "qemu/qemu_capabilities.h"
#define VIR_FROM_THIS VIR_FROM_NONE
typedef struct _testQemuData testQemuData;
typedef testQemuData *testQemuDataPtr;
struct _testQemuData {
const char *inputDir;
const char *outputDir;
const char *base;
const char *archName;
int ret;
};
static int
testQemuDataInit(testQemuDataPtr data)
{
data->inputDir = TEST_QEMU_CAPS_PATH;
data->outputDir = abs_srcdir "/qemucaps2xmloutdata";
data->ret = 0;
return 0;
}
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 (!(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 virCapsPtr
testGetCaps(char *capsData, const testQemuData *data)
{
virQEMUCapsPtr qemuCaps = NULL;
virCapsPtr caps = NULL;
virArch arch = virArchFromString(data->archName);
VIR_AUTOFREE(char *) binary = NULL;
if (virAsprintf(&binary, "/usr/bin/qemu-system-%s", data->archName) < 0)
goto error;
if ((qemuCaps = testQemuGetCaps(capsData)) == NULL) {
fprintf(stderr, "failed to parse qemu capabilities flags");
goto error;
}
if ((caps = virCapabilitiesNew(arch, false, false)) == NULL) {
fprintf(stderr, "failed to create the fake capabilities");
goto error;
}
if (virQEMUCapsInitGuestFromBinary(caps,
binary,
qemuCaps,
arch) < 0) {
fprintf(stderr, "failed to create the capabilities from qemu");
goto error;
}
virObjectUnref(qemuCaps);
return caps;
error:
virObjectUnref(qemuCaps);
virObjectUnref(caps);
return NULL;
}
static int
testQemuCapsXML(const void *opaque)
{
int ret = -1;
const testQemuData *data = opaque;
char *capsFile = NULL, *xmlFile = NULL;
char *capsData = NULL;
char *capsXml = NULL;
virCapsPtr capsProvided = NULL;
if (virAsprintf(&xmlFile, "%s/caps.%s.xml",
data->outputDir, data->archName) < 0)
goto cleanup;
if (virAsprintf(&capsFile, "%s/%s.%s.xml",
data->inputDir, data->base, data->archName) < 0)
goto cleanup;
if (virTestLoadFile(capsFile, &capsData) < 0)
goto cleanup;
if (!(capsProvided = testGetCaps(capsData, data)))
goto cleanup;
capsXml = virCapabilitiesFormatXML(capsProvided);
if (!capsXml)
goto cleanup;
if (virTestCompareToFile(capsXml, xmlFile) < 0)
goto cleanup;
ret = 0;
cleanup:
VIR_FREE(xmlFile);
VIR_FREE(capsFile);
VIR_FREE(capsXml);
VIR_FREE(capsData);
virObjectUnref(capsProvided);
return ret;
}
static int
doCapsTest(const char *base,
const char *archName,
void *opaque)
{
testQemuDataPtr data = (testQemuDataPtr) opaque;
VIR_AUTOFREE(char *) title = NULL;
if (virAsprintf(&title, "%s (%s)", base, archName) < 0)
return -1;
data->base = base;
data->archName = archName;
if (virTestRun(title, testQemuCapsXML, data) < 0)
data->ret = -1;
return 0;
}
static int
mymain(void)
{
testQemuData data;
#if !WITH_YAJL
fputs("libvirt not compiled with JSON support, skipping this test\n", stderr);
return EXIT_AM_SKIP;
#endif
if (virThreadInitialize() < 0)
return EXIT_FAILURE;
virEventRegisterDefaultImpl();
if (testQemuDataInit(&data) < 0)
return EXIT_FAILURE;
if (testQemuCapsIterate(".xml", doCapsTest, &data) < 0)
return EXIT_FAILURE;
return (data.ret == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN_PRELOAD(mymain, abs_builddir "/.libs/qemucaps2xmlmock.so")