libvirt/tests/nodeinfotest.c
Matthias Bolte 9ba4eb3c08 tests: Lower stack usage below 4096 bytes
Make virtTestLoadFile allocate the buffer to read the file into.

Fix logic error in virtTestLoadFile, stop reading on the first empty line.

Use virFileReadLimFD in virtTestCaptureProgramOutput to avoid manual
buffer handling.
2011-04-30 19:59:52 +02:00

134 lines
3.0 KiB
C

#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "testutils.h"
#include "internal.h"
#include "nodeinfo.h"
#include "util.h"
#include "files.h"
#ifndef __linux__
static int
mymain(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
exit (EXIT_AM_SKIP);
}
#else
extern int linuxNodeInfoCPUPopulate(FILE *cpuinfo, virNodeInfoPtr nodeinfo,
bool need_hyperthreads);
static int
linuxTestCompareFiles(const char *cpuinfofile, const char *outputfile)
{
int ret = -1;
char *actualData = NULL;
char *expectData = NULL;
virNodeInfo nodeinfo;
FILE *cpuinfo;
if (virtTestLoadFile(outputfile, &expectData) < 0)
goto fail;
cpuinfo = fopen(cpuinfofile, "r");
if (!cpuinfo)
goto fail;
memset(&nodeinfo, 0, sizeof(nodeinfo));
if (linuxNodeInfoCPUPopulate(cpuinfo, &nodeinfo, false) < 0) {
if (virTestGetDebug()) {
virErrorPtr error = virSaveLastError();
if (error && error->code != VIR_ERR_OK)
fprintf(stderr, "\n%s\n", error->message);
virFreeError(error);
}
VIR_FORCE_FCLOSE(cpuinfo);
goto fail;
}
VIR_FORCE_FCLOSE(cpuinfo);
/* 'nodes' is filled using libnuma.so from current machine
* topology, which makes it unsuitable for the test suite
* so blank it to a predictable value */
nodeinfo.nodes = 1;
if (virAsprintf(&actualData, "CPUs: %u, MHz: %u, Nodes: %u, Cores: %u\n",
nodeinfo.cpus, nodeinfo.mhz, nodeinfo.nodes,
nodeinfo.cores) < 0)
goto fail;
if (STRNEQ(actualData, expectData)) {
if (getenv("DEBUG_TESTS")) {
printf("Expect %d '%s'\n", (int)strlen(expectData), expectData);
printf("Actual %d '%s'\n", (int)strlen(actualData), actualData);
}
goto fail;
}
ret = 0;
fail:
free(expectData);
free(actualData);
return ret;
}
static int
linuxTestNodeInfo(const void *data)
{
int result = -1;
char *cpuinfo = NULL;
char *output = NULL;
if (virAsprintf(&cpuinfo, "%s/nodeinfodata/linux-%s.cpuinfo",
abs_srcdir, (const char*)data) < 0 ||
virAsprintf(&output, "%s/nodeinfodata/linux-%s.txt",
abs_srcdir, (const char*)data) < 0) {
goto cleanup;
}
result = linuxTestCompareFiles(cpuinfo, output);
cleanup:
free(cpuinfo);
free(output);
return result;
}
static int
mymain(void)
{
int ret = 0;
int i;
const char *nodeData[] = {
"nodeinfo-1",
"nodeinfo-2",
"nodeinfo-3",
"nodeinfo-4",
"nodeinfo-5",
"nodeinfo-6",
};
if (virInitialize() < 0)
return EXIT_FAILURE;
for (i = 0 ; i < ARRAY_CARDINALITY(nodeData); i++)
if (virtTestRun(nodeData[i], 1, linuxTestNodeInfo, nodeData[i]) != 0)
ret = -1;
return(ret==0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
#endif /* __linux__ */
VIRT_TEST_MAIN(mymain)