mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-08-27 19:11:16 +00:00
Similarly to 3506f1ecfd
, the contents of 'cmpcontent' may be an empty
string so the following code would access memory out of the array.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
1357 lines
37 KiB
C
1357 lines
37 KiB
C
/*
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* testutils.c: basic test utils
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*
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* Copyright (C) 2005-2015 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Karel Zak <kzak@redhat.com>
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <regex.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <limits.h>
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#include "testutils.h"
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#include "internal.h"
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#include "viralloc.h"
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#include "virutil.h"
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#include "virthread.h"
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#include "virerror.h"
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#include "virbuffer.h"
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#include "virlog.h"
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#include "vircommand.h"
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#include "virrandom.h"
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#include "dirname.h"
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#include "virprocess.h"
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#include "virstring.h"
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|
|
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#ifdef TEST_OOM
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# ifdef TEST_OOM_TRACE
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# include <dlfcn.h>
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# include <execinfo.h>
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# endif
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#endif
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#define VIR_FROM_THIS VIR_FROM_NONE
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VIR_LOG_INIT("tests.testutils");
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#include "virbitmap.h"
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#include "virfile.h"
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|
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static unsigned int testDebug = -1;
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static unsigned int testVerbose = -1;
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static unsigned int testExpensive = -1;
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static unsigned int testRegenerate = -1;
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|
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#ifdef TEST_OOM
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static unsigned int testOOM;
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static unsigned int testOOMStart = -1;
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static unsigned int testOOMEnd = -1;
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static unsigned int testOOMTrace;
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# ifdef TEST_OOM_TRACE
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void *testAllocStack[30];
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int ntestAllocStack;
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# endif
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#endif
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static bool testOOMActive;
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static size_t testCounter;
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static virBitmapPtr testBitmap;
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char *progname;
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static char *perl;
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bool virTestOOMActive(void)
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{
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return testOOMActive;
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}
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static int virTestUseTerminalColors(void)
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{
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return isatty(STDOUT_FILENO);
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}
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static unsigned int
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virTestGetFlag(const char *name)
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{
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char *flagStr;
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unsigned int flag;
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if ((flagStr = getenv(name)) == NULL)
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return 0;
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if (virStrToLong_ui(flagStr, NULL, 10, &flag) < 0)
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return 0;
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return flag;
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}
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#ifdef TEST_OOM_TRACE
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static void virTestAllocHook(int nalloc ATTRIBUTE_UNUSED,
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void *opaque ATTRIBUTE_UNUSED)
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{
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ntestAllocStack = backtrace(testAllocStack, ARRAY_CARDINALITY(testAllocStack));
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}
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#endif
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|
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#ifdef TEST_OOM_TRACE
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static void
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virTestShowTrace(void)
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{
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size_t j;
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for (j = 2; j < ntestAllocStack; j++) {
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Dl_info info;
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char *cmd;
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dladdr(testAllocStack[j], &info);
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if (info.dli_fname &&
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strstr(info.dli_fname, ".so")) {
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if (virAsprintf(&cmd, ADDR2LINE " -f -e %s %p",
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info.dli_fname,
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((void*)((unsigned long long)testAllocStack[j]
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- (unsigned long long)info.dli_fbase))) < 0)
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continue;
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} else {
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if (virAsprintf(&cmd, ADDR2LINE " -f -e %s %p",
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(char*)(info.dli_fname ? info.dli_fname : "<unknown>"),
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testAllocStack[j]) < 0)
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continue;
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}
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ignore_value(system(cmd));
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VIR_FREE(cmd);
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}
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}
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#endif
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/*
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* Runs test
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*
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* returns: -1 = error, 0 = success
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*/
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int
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virTestRun(const char *title,
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int (*body)(const void *data), const void *data)
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|
{
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int ret = 0;
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|
/* Some test are fragile about environ settings. If that's
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* the case, don't poison it. */
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if (getenv("VIR_TEST_MOCK_PROGNAME"))
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setenv("VIR_TEST_MOCK_TESTNAME", title, 1);
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if (testCounter == 0 && !virTestGetVerbose())
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fprintf(stderr, " ");
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testCounter++;
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|
|
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/* Skip tests if out of range */
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if (testBitmap && !virBitmapIsBitSet(testBitmap, testCounter))
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return 0;
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if (virTestGetVerbose())
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fprintf(stderr, "%2zu) %-65s ... ", testCounter, title);
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virResetLastError();
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ret = body(data);
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virErrorPtr err = virGetLastError();
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if (err) {
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if (virTestGetVerbose() || virTestGetDebug())
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virDispatchError(NULL);
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}
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if (virTestGetVerbose()) {
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if (ret == 0)
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if (virTestUseTerminalColors())
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fprintf(stderr, "\e[32mOK\e[0m\n"); /* green */
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else
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fprintf(stderr, "OK\n");
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else if (ret == EXIT_AM_SKIP)
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if (virTestUseTerminalColors())
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fprintf(stderr, "\e[34m\e[1mSKIP\e[0m\n"); /* bold blue */
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else
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fprintf(stderr, "SKIP\n");
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else
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if (virTestUseTerminalColors())
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fprintf(stderr, "\e[31m\e[1mFAILED\e[0m\n"); /* bold red */
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else
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fprintf(stderr, "FAILED\n");
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} else {
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if (testCounter != 1 &&
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!((testCounter-1) % 40)) {
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fprintf(stderr, " %-3zu\n", (testCounter-1));
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fprintf(stderr, " ");
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}
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if (ret == 0)
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fprintf(stderr, ".");
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else if (ret == EXIT_AM_SKIP)
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fprintf(stderr, "_");
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else
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fprintf(stderr, "!");
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}
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|
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#ifdef TEST_OOM
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if (testOOM && ret != EXIT_AM_SKIP) {
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int nalloc;
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|
int oomret;
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int start, end;
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|
size_t i;
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|
virResetLastError();
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virAllocTestInit();
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# ifdef TEST_OOM_TRACE
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virAllocTestHook(virTestAllocHook, NULL);
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|
# endif
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oomret = body(data);
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nalloc = virAllocTestCount();
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fprintf(stderr, " Test OOM for nalloc=%d ", nalloc);
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if (testOOMStart == -1 ||
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testOOMEnd == -1) {
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start = 0;
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end = nalloc;
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|
} else {
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|
start = testOOMStart;
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|
end = testOOMEnd + 1;
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|
}
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|
testOOMActive = true;
|
|
for (i = start; i < end; i++) {
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|
bool missingFail = false;
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|
# ifdef TEST_OOM_TRACE
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|
memset(testAllocStack, 0, sizeof(testAllocStack));
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ntestAllocStack = 0;
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|
# endif
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virAllocTestOOM(i + 1, 1);
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oomret = body(data);
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/* fprintf() disabled because XML parsing APIs don't allow
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* distinguish between element / attribute not present
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* in the XML (which is non-fatal), vs OOM / malformed
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* which should be fatal. Thus error reporting for
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* optionally present XML is mostly broken.
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*/
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if (oomret == 0) {
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missingFail = true;
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# if 0
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fprintf(stderr, " alloc %zu failed but no err status\n", i + 1);
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# endif
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} else {
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|
virErrorPtr lerr = virGetLastError();
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|
if (!lerr) {
|
|
# if 0
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fprintf(stderr, " alloc %zu failed but no error report\n", i + 1);
|
|
# endif
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missingFail = true;
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}
|
|
}
|
|
if ((missingFail && testOOMTrace) || (testOOMTrace > 1)) {
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|
fprintf(stderr, "%s", "!");
|
|
# ifdef TEST_OOM_TRACE
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|
virTestShowTrace();
|
|
# endif
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|
ret = -1;
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|
} else {
|
|
fprintf(stderr, "%s", ".");
|
|
}
|
|
}
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testOOMActive = false;
|
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if (ret == 0)
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fprintf(stderr, " OK\n");
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|
else
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fprintf(stderr, " FAILED\n");
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virAllocTestInit();
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|
}
|
|
#endif /* TEST_OOM */
|
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|
|
unsetenv("VIR_TEST_MOCK_TESTNAME");
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|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* virTestLoadFile:
|
|
* @file: name of the file to load
|
|
* @buf: buffer to load the file into
|
|
*
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|
* Allocates @buf to the size of FILE. Reads FILE into buffer BUF.
|
|
* Upon any failure, error is printed to stderr and -1 is returned. 'errno' is
|
|
* not preserved. On success 0 is returned. Caller is responsible for freeing
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* @buf.
|
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*/
|
|
int
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virTestLoadFile(const char *file, char **buf)
|
|
{
|
|
FILE *fp = fopen(file, "r");
|
|
struct stat st;
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|
char *tmp;
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|
int len, tmplen, buflen;
|
|
|
|
if (!fp) {
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|
fprintf(stderr, "%s: failed to open: %s\n", file, strerror(errno));
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|
return -1;
|
|
}
|
|
|
|
if (fstat(fileno(fp), &st) < 0) {
|
|
fprintf(stderr, "%s: failed to fstat: %s\n", file, strerror(errno));
|
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VIR_FORCE_FCLOSE(fp);
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return -1;
|
|
}
|
|
|
|
tmplen = buflen = st.st_size + 1;
|
|
|
|
if (VIR_ALLOC_N(*buf, buflen) < 0) {
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|
VIR_FORCE_FCLOSE(fp);
|
|
return -1;
|
|
}
|
|
|
|
tmp = *buf;
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(*buf)[0] = '\0';
|
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if (st.st_size) {
|
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/* read the file line by line */
|
|
while (fgets(tmp, tmplen, fp) != NULL) {
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len = strlen(tmp);
|
|
/* stop on an empty line */
|
|
if (len == 0)
|
|
break;
|
|
/* remove trailing backslash-newline pair */
|
|
if (len >= 2 && tmp[len-2] == '\\' && tmp[len-1] == '\n') {
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|
len -= 2;
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tmp[len] = '\0';
|
|
}
|
|
/* advance the temporary buffer pointer */
|
|
tmp += len;
|
|
tmplen -= len;
|
|
}
|
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if (ferror(fp)) {
|
|
fprintf(stderr, "%s: read failed: %s\n", file, strerror(errno));
|
|
VIR_FORCE_FCLOSE(fp);
|
|
VIR_FREE(*buf);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
VIR_FORCE_FCLOSE(fp);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static char *
|
|
virTestLoadFileGetPath(const char *p,
|
|
va_list ap)
|
|
{
|
|
virBuffer buf = VIR_BUFFER_INITIALIZER;
|
|
char *path = NULL;
|
|
|
|
virBufferAddLit(&buf, abs_srcdir "/");
|
|
|
|
if (p) {
|
|
virBufferAdd(&buf, p, -1);
|
|
virBufferStrcatVArgs(&buf, ap);
|
|
}
|
|
|
|
if (!(path = virBufferContentAndReset(&buf)))
|
|
VIR_TEST_VERBOSE("failed to format file path");
|
|
|
|
return path;
|
|
}
|
|
|
|
|
|
/**
|
|
* virTestLoadFilePath:
|
|
* @...: file name components terminated with a NULL
|
|
*
|
|
* Constructs the test file path from variable arguments and loads the file.
|
|
* 'abs_srcdir' is automatically prepended.
|
|
*/
|
|
char *
|
|
virTestLoadFilePath(const char *p, ...)
|
|
{
|
|
char *path = NULL;
|
|
char *ret = NULL;
|
|
va_list ap;
|
|
|
|
va_start(ap, p);
|
|
|
|
if (!(path = virTestLoadFileGetPath(p, ap)))
|
|
goto cleanup;
|
|
|
|
ignore_value(virTestLoadFile(path, &ret));
|
|
|
|
cleanup:
|
|
va_end(ap);
|
|
VIR_FREE(path);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* virTestLoadFileJSON:
|
|
* @...: name components terminated with a NULL
|
|
*
|
|
* Constructs the test file path from variable arguments and loads and parses
|
|
* the JSON file. 'abs_srcdir' is automatically prepended to the path.
|
|
*/
|
|
virJSONValuePtr
|
|
virTestLoadFileJSON(const char *p, ...)
|
|
{
|
|
virJSONValuePtr ret = NULL;
|
|
char *jsonstr = NULL;
|
|
char *path = NULL;
|
|
va_list ap;
|
|
|
|
va_start(ap, p);
|
|
|
|
if (!(path = virTestLoadFileGetPath(p, ap)))
|
|
goto cleanup;
|
|
|
|
if (virTestLoadFile(path, &jsonstr) < 0)
|
|
goto cleanup;
|
|
|
|
if (!(ret = virJSONValueFromString(jsonstr)))
|
|
VIR_TEST_VERBOSE("failed to parse json from file '%s'", path);
|
|
|
|
cleanup:
|
|
va_end(ap);
|
|
VIR_FREE(jsonstr);
|
|
VIR_FREE(path);
|
|
return ret;
|
|
}
|
|
|
|
|
|
#ifndef WIN32
|
|
static
|
|
void virTestCaptureProgramExecChild(const char *const argv[],
|
|
int pipefd)
|
|
{
|
|
size_t i;
|
|
int open_max;
|
|
int stdinfd = -1;
|
|
const char *const env[] = {
|
|
"LANG=C",
|
|
"LIBVIRT_DRIVER_DIR=" TEST_DRIVER_DIR,
|
|
NULL
|
|
};
|
|
|
|
if ((stdinfd = open("/dev/null", O_RDONLY)) < 0)
|
|
goto cleanup;
|
|
|
|
open_max = sysconf(_SC_OPEN_MAX);
|
|
if (open_max < 0)
|
|
goto cleanup;
|
|
|
|
for (i = 0; i < open_max; i++) {
|
|
if (i != stdinfd &&
|
|
i != pipefd) {
|
|
int tmpfd;
|
|
tmpfd = i;
|
|
VIR_FORCE_CLOSE(tmpfd);
|
|
}
|
|
}
|
|
|
|
if (dup2(stdinfd, STDIN_FILENO) != STDIN_FILENO)
|
|
goto cleanup;
|
|
if (dup2(pipefd, STDOUT_FILENO) != STDOUT_FILENO)
|
|
goto cleanup;
|
|
if (dup2(pipefd, STDERR_FILENO) != STDERR_FILENO)
|
|
goto cleanup;
|
|
|
|
/* SUS is crazy here, hence the cast */
|
|
execve(argv[0], (char *const*)argv, (char *const*)env);
|
|
|
|
cleanup:
|
|
VIR_FORCE_CLOSE(stdinfd);
|
|
}
|
|
|
|
int
|
|
virTestCaptureProgramOutput(const char *const argv[], char **buf, int maxlen)
|
|
{
|
|
int pipefd[2];
|
|
int len;
|
|
|
|
if (pipe(pipefd) < 0)
|
|
return -1;
|
|
|
|
pid_t pid = fork();
|
|
switch (pid) {
|
|
case 0:
|
|
VIR_FORCE_CLOSE(pipefd[0]);
|
|
virTestCaptureProgramExecChild(argv, pipefd[1]);
|
|
|
|
VIR_FORCE_CLOSE(pipefd[1]);
|
|
_exit(EXIT_FAILURE);
|
|
|
|
case -1:
|
|
return -1;
|
|
|
|
default:
|
|
VIR_FORCE_CLOSE(pipefd[1]);
|
|
len = virFileReadLimFD(pipefd[0], maxlen, buf);
|
|
VIR_FORCE_CLOSE(pipefd[0]);
|
|
if (virProcessWait(pid, NULL, false) < 0)
|
|
return -1;
|
|
|
|
return len;
|
|
}
|
|
}
|
|
#else /* !WIN32 */
|
|
int
|
|
virTestCaptureProgramOutput(const char *const argv[] ATTRIBUTE_UNUSED,
|
|
char **buf ATTRIBUTE_UNUSED,
|
|
int maxlen ATTRIBUTE_UNUSED)
|
|
{
|
|
return -1;
|
|
}
|
|
#endif /* !WIN32 */
|
|
|
|
static int
|
|
virTestRewrapFile(const char *filename)
|
|
{
|
|
int ret = -1;
|
|
char *script = NULL;
|
|
virCommandPtr cmd = NULL;
|
|
|
|
if (!(virFileHasSuffix(filename, ".args") ||
|
|
virFileHasSuffix(filename, ".ldargs")))
|
|
return 0;
|
|
|
|
if (!perl) {
|
|
fprintf(stderr, "cannot rewrap %s: unable to find perl in path", filename);
|
|
return -1;
|
|
}
|
|
|
|
if (virAsprintf(&script, "%s/test-wrap-argv.pl", abs_srcdir) < 0)
|
|
goto cleanup;
|
|
|
|
cmd = virCommandNewArgList(perl, script, "--in-place", filename, NULL);
|
|
if (virCommandRun(cmd, NULL) < 0)
|
|
goto cleanup;
|
|
|
|
ret = 0;
|
|
cleanup:
|
|
VIR_FREE(script);
|
|
virCommandFree(cmd);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* @param stream: output stream to write differences to
|
|
* @param expect: expected output text
|
|
* @param expectName: name designator of the expected text
|
|
* @param actual: actual output text
|
|
* @param actualName: name designator of the actual text
|
|
* @param regenerate: enable or disable regenerate functionality
|
|
*
|
|
* Display expected and actual output text, trimmed to first and last
|
|
* characters at which differences occur. Displays names of the text strings if
|
|
* non-NULL.
|
|
*/
|
|
static int
|
|
virTestDifferenceFullInternal(FILE *stream,
|
|
const char *expect,
|
|
const char *expectName,
|
|
const char *actual,
|
|
const char *actualName,
|
|
bool regenerate)
|
|
{
|
|
const char *expectStart;
|
|
const char *expectEnd;
|
|
const char *actualStart;
|
|
const char *actualEnd;
|
|
|
|
if (!expect)
|
|
expect = "";
|
|
if (!actual)
|
|
actual = "";
|
|
|
|
expectStart = expect;
|
|
expectEnd = expect + (strlen(expect)-1);
|
|
actualStart = actual;
|
|
actualEnd = actual + (strlen(actual)-1);
|
|
|
|
if (expectName && regenerate && (virTestGetRegenerate() > 0)) {
|
|
if (virFileWriteStr(expectName, actual, 0666) < 0) {
|
|
virDispatchError(NULL);
|
|
return -1;
|
|
}
|
|
|
|
if (virTestRewrapFile(expectName) < 0) {
|
|
virDispatchError(NULL);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (!virTestGetDebug())
|
|
return 0;
|
|
|
|
if (virTestGetDebug() < 2) {
|
|
/* Skip to first character where they differ */
|
|
while (*expectStart && *actualStart &&
|
|
*actualStart == *expectStart) {
|
|
actualStart++;
|
|
expectStart++;
|
|
}
|
|
|
|
/* Work backwards to last character where they differ */
|
|
while (actualEnd > actualStart &&
|
|
expectEnd > expectStart &&
|
|
*actualEnd == *expectEnd) {
|
|
actualEnd--;
|
|
expectEnd--;
|
|
}
|
|
}
|
|
|
|
/* Show the trimmed differences */
|
|
if (expectName)
|
|
fprintf(stream, "\nIn '%s':", expectName);
|
|
fprintf(stream, "\nOffset %d\nExpect [", (int) (expectStart - expect));
|
|
if ((expectEnd - expectStart + 1) &&
|
|
fwrite(expectStart, (expectEnd-expectStart+1), 1, stream) != 1)
|
|
return -1;
|
|
fprintf(stream, "]\n");
|
|
if (actualName)
|
|
fprintf(stream, "In '%s':\n", actualName);
|
|
fprintf(stream, "Actual [");
|
|
if ((actualEnd - actualStart + 1) &&
|
|
fwrite(actualStart, (actualEnd-actualStart+1), 1, stream) != 1)
|
|
return -1;
|
|
fprintf(stream, "]\n");
|
|
|
|
/* Pad to line up with test name ... in virTestRun */
|
|
fprintf(stream, " ... ");
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @param stream: output stream to write differences to
|
|
* @param expect: expected output text
|
|
* @param expectName: name designator of the expected text
|
|
* @param actual: actual output text
|
|
* @param actualName: name designator of the actual text
|
|
*
|
|
* Display expected and actual output text, trimmed to first and last
|
|
* characters at which differences occur. Displays names of the text strings if
|
|
* non-NULL. If VIR_TEST_REGENERATE_OUTPUT is used, this function will
|
|
* regenerate the expected file.
|
|
*/
|
|
int
|
|
virTestDifferenceFull(FILE *stream,
|
|
const char *expect,
|
|
const char *expectName,
|
|
const char *actual,
|
|
const char *actualName)
|
|
{
|
|
return virTestDifferenceFullInternal(stream, expect, expectName,
|
|
actual, actualName, true);
|
|
}
|
|
|
|
/**
|
|
* @param stream: output stream to write differences to
|
|
* @param expect: expected output text
|
|
* @param expectName: name designator of the expected text
|
|
* @param actual: actual output text
|
|
* @param actualName: name designator of the actual text
|
|
*
|
|
* Display expected and actual output text, trimmed to first and last
|
|
* characters at which differences occur. Displays names of the text strings if
|
|
* non-NULL. If VIR_TEST_REGENERATE_OUTPUT is used, this function will not
|
|
* regenerate the expected file.
|
|
*/
|
|
int
|
|
virTestDifferenceFullNoRegenerate(FILE *stream,
|
|
const char *expect,
|
|
const char *expectName,
|
|
const char *actual,
|
|
const char *actualName)
|
|
{
|
|
return virTestDifferenceFullInternal(stream, expect, expectName,
|
|
actual, actualName, false);
|
|
}
|
|
|
|
/**
|
|
* @param stream: output stream to write differences to
|
|
* @param expect: expected output text
|
|
* @param actual: actual output text
|
|
*
|
|
* Display expected and actual output text, trimmed to
|
|
* first and last characters at which differences occur
|
|
*/
|
|
int
|
|
virTestDifference(FILE *stream,
|
|
const char *expect,
|
|
const char *actual)
|
|
{
|
|
return virTestDifferenceFullNoRegenerate(stream,
|
|
expect, NULL,
|
|
actual, NULL);
|
|
}
|
|
|
|
|
|
/**
|
|
* @param stream: output stream to write differences to
|
|
* @param expect: expected output text
|
|
* @param actual: actual output text
|
|
*
|
|
* Display expected and actual output text, trimmed to
|
|
* first and last characters at which differences occur
|
|
*/
|
|
int virTestDifferenceBin(FILE *stream,
|
|
const char *expect,
|
|
const char *actual,
|
|
size_t length)
|
|
{
|
|
size_t start = 0, end = length;
|
|
ssize_t i;
|
|
|
|
if (!virTestGetDebug())
|
|
return 0;
|
|
|
|
if (virTestGetDebug() < 2) {
|
|
/* Skip to first character where they differ */
|
|
for (i = 0; i < length; i++) {
|
|
if (expect[i] != actual[i]) {
|
|
start = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Work backwards to last character where they differ */
|
|
for (i = (length -1); i >= 0; i--) {
|
|
if (expect[i] != actual[i]) {
|
|
end = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
/* Round to nearest boundary of 4, except that last word can be short */
|
|
start -= (start % 4);
|
|
end += 4 - (end % 4);
|
|
if (end >= length)
|
|
end = length - 1;
|
|
|
|
/* Show the trimmed differences */
|
|
fprintf(stream, "\nExpect [ Region %d-%d", (int)start, (int)end);
|
|
for (i = start; i < end; i++) {
|
|
if ((i % 4) == 0)
|
|
fprintf(stream, "\n ");
|
|
fprintf(stream, "0x%02x, ", ((int)expect[i])&0xff);
|
|
}
|
|
fprintf(stream, "]\n");
|
|
fprintf(stream, "Actual [ Region %d-%d", (int)start, (int)end);
|
|
for (i = start; i < end; i++) {
|
|
if ((i % 4) == 0)
|
|
fprintf(stream, "\n ");
|
|
fprintf(stream, "0x%02x, ", ((int)actual[i])&0xff);
|
|
}
|
|
fprintf(stream, "]\n");
|
|
|
|
/* Pad to line up with test name ... in virTestRun */
|
|
fprintf(stream, " ... ");
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* @param strcontent: String input content
|
|
* @param filename: File to compare strcontent against
|
|
*
|
|
* If @strcontent is NULL, it's treated as an empty string.
|
|
*/
|
|
int
|
|
virTestCompareToFile(const char *strcontent,
|
|
const char *filename)
|
|
{
|
|
int ret = -1;
|
|
char *filecontent = NULL;
|
|
char *fixedcontent = NULL;
|
|
const char *cmpcontent = strcontent;
|
|
|
|
if (!cmpcontent)
|
|
cmpcontent = "";
|
|
|
|
if (virTestLoadFile(filename, &filecontent) < 0 && !virTestGetRegenerate())
|
|
goto failure;
|
|
|
|
if (filecontent) {
|
|
size_t filecontentLen = strlen(filecontent);
|
|
size_t cmpcontentLen = strlen(cmpcontent);
|
|
|
|
if (filecontentLen > 0 &&
|
|
filecontent[filecontentLen - 1] == '\n' &&
|
|
(cmpcontentLen == 0 || cmpcontent[cmpcontentLen - 1] != '\n')) {
|
|
if (virAsprintf(&fixedcontent, "%s\n", cmpcontent) < 0)
|
|
goto failure;
|
|
cmpcontent = fixedcontent;
|
|
}
|
|
}
|
|
|
|
if (STRNEQ_NULLABLE(cmpcontent, filecontent)) {
|
|
virTestDifferenceFull(stderr,
|
|
filecontent, filename,
|
|
cmpcontent, NULL);
|
|
goto failure;
|
|
}
|
|
|
|
ret = 0;
|
|
failure:
|
|
VIR_FREE(fixedcontent);
|
|
VIR_FREE(filecontent);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* @param content: Input content
|
|
* @param src: Source to compare @content against
|
|
*/
|
|
int
|
|
virTestCompareToULL(unsigned long long content,
|
|
unsigned long long src)
|
|
{
|
|
char *strcontent = NULL;
|
|
char *strsrc = NULL;
|
|
int ret = -1;
|
|
|
|
if (virAsprintf(&strcontent, "%llu", content) < 0)
|
|
goto cleanup;
|
|
|
|
if (virAsprintf(&strsrc, "%llu", src) < 0)
|
|
goto cleanup;
|
|
|
|
ret = virTestCompareToString(strcontent, strsrc);
|
|
|
|
cleanup:
|
|
VIR_FREE(strcontent);
|
|
VIR_FREE(strsrc);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* @param strcontent: String input content
|
|
* @param strsrc: String source to compare strcontent against
|
|
*/
|
|
int
|
|
virTestCompareToString(const char *strcontent,
|
|
const char *strsrc)
|
|
{
|
|
if (STRNEQ_NULLABLE(strcontent, strsrc)) {
|
|
virTestDifference(stderr, strcontent, strsrc);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
virTestErrorFuncQuiet(void *data ATTRIBUTE_UNUSED,
|
|
virErrorPtr err ATTRIBUTE_UNUSED)
|
|
{ }
|
|
|
|
|
|
/* register an error handler in tests when using connections */
|
|
void
|
|
virTestQuiesceLibvirtErrors(bool always)
|
|
{
|
|
if (always || !virTestGetVerbose())
|
|
virSetErrorFunc(NULL, virTestErrorFuncQuiet);
|
|
}
|
|
|
|
struct virtTestLogData {
|
|
virBuffer buf;
|
|
};
|
|
|
|
static struct virtTestLogData testLog = { VIR_BUFFER_INITIALIZER };
|
|
|
|
static void
|
|
virtTestLogOutput(virLogSourcePtr source ATTRIBUTE_UNUSED,
|
|
virLogPriority priority ATTRIBUTE_UNUSED,
|
|
const char *filename ATTRIBUTE_UNUSED,
|
|
int lineno ATTRIBUTE_UNUSED,
|
|
const char *funcname ATTRIBUTE_UNUSED,
|
|
const char *timestamp,
|
|
virLogMetadataPtr metadata ATTRIBUTE_UNUSED,
|
|
unsigned int flags,
|
|
const char *rawstr ATTRIBUTE_UNUSED,
|
|
const char *str,
|
|
void *data)
|
|
{
|
|
struct virtTestLogData *log = data;
|
|
virCheckFlags(VIR_LOG_STACK_TRACE,);
|
|
if (!testOOMActive)
|
|
virBufferAsprintf(&log->buf, "%s: %s", timestamp, str);
|
|
}
|
|
|
|
static void
|
|
virtTestLogClose(void *data)
|
|
{
|
|
struct virtTestLogData *log = data;
|
|
|
|
virBufferFreeAndReset(&log->buf);
|
|
}
|
|
|
|
/* Return a malloc'd string (possibly with strlen of 0) of all data
|
|
* logged since the last call to this function, or NULL on failure. */
|
|
char *
|
|
virTestLogContentAndReset(void)
|
|
{
|
|
char *ret;
|
|
|
|
if (virBufferError(&testLog.buf))
|
|
return NULL;
|
|
ret = virBufferContentAndReset(&testLog.buf);
|
|
if (!ret)
|
|
ignore_value(VIR_STRDUP(ret, ""));
|
|
return ret;
|
|
}
|
|
|
|
|
|
unsigned int
|
|
virTestGetDebug(void)
|
|
{
|
|
if (testDebug == -1)
|
|
testDebug = virTestGetFlag("VIR_TEST_DEBUG");
|
|
return testDebug;
|
|
}
|
|
|
|
unsigned int
|
|
virTestGetVerbose(void)
|
|
{
|
|
if (testVerbose == -1)
|
|
testVerbose = virTestGetFlag("VIR_TEST_VERBOSE");
|
|
return testVerbose || virTestGetDebug();
|
|
}
|
|
|
|
unsigned int
|
|
virTestGetExpensive(void)
|
|
{
|
|
if (testExpensive == -1)
|
|
testExpensive = virTestGetFlag("VIR_TEST_EXPENSIVE");
|
|
return testExpensive;
|
|
}
|
|
|
|
unsigned int
|
|
virTestGetRegenerate(void)
|
|
{
|
|
if (testRegenerate == -1)
|
|
testRegenerate = virTestGetFlag("VIR_TEST_REGENERATE_OUTPUT");
|
|
return testRegenerate;
|
|
}
|
|
|
|
static int
|
|
virTestSetEnvPath(void)
|
|
{
|
|
int ret = -1;
|
|
const char *path = getenv("PATH");
|
|
char *new_path = NULL;
|
|
|
|
if (path) {
|
|
if (strstr(path, abs_builddir) != path &&
|
|
virAsprintf(&new_path, "%s:%s", abs_builddir, path) < 0)
|
|
goto cleanup;
|
|
} else {
|
|
if (VIR_STRDUP(new_path, abs_builddir) < 0)
|
|
goto cleanup;
|
|
}
|
|
|
|
if (new_path &&
|
|
setenv("PATH", new_path, 1) < 0)
|
|
goto cleanup;
|
|
|
|
ret = 0;
|
|
cleanup:
|
|
VIR_FREE(new_path);
|
|
return ret;
|
|
}
|
|
|
|
#define TEST_MOCK (abs_builddir "/.libs/virtestmock.so")
|
|
|
|
int virTestMain(int argc,
|
|
char **argv,
|
|
int (*func)(void),
|
|
...)
|
|
{
|
|
const char *lib;
|
|
va_list ap;
|
|
int ret;
|
|
char *testRange = NULL;
|
|
#ifdef TEST_OOM
|
|
char *oomstr;
|
|
#endif
|
|
size_t noutputs = 0;
|
|
virLogOutputPtr output = NULL;
|
|
virLogOutputPtr *outputs = NULL;
|
|
|
|
if (getenv("VIR_TEST_FILE_ACCESS"))
|
|
VIR_TEST_PRELOAD(TEST_MOCK);
|
|
|
|
va_start(ap, func);
|
|
while ((lib = va_arg(ap, const char *)))
|
|
VIR_TEST_PRELOAD(lib);
|
|
va_end(ap);
|
|
|
|
progname = last_component(argv[0]);
|
|
if (STRPREFIX(progname, "lt-"))
|
|
progname += 3;
|
|
|
|
setenv("VIR_TEST_MOCK_PROGNAME", progname, 1);
|
|
|
|
virFileActivateDirOverride(argv[0]);
|
|
|
|
if (virTestSetEnvPath() < 0)
|
|
return EXIT_AM_HARDFAIL;
|
|
|
|
if (!virFileExists(abs_srcdir))
|
|
return EXIT_AM_HARDFAIL;
|
|
|
|
if (argc > 1) {
|
|
fprintf(stderr, "Usage: %s\n", argv[0]);
|
|
fputs("effective environment variables:\n"
|
|
"VIR_TEST_VERBOSE set to show names of individual tests\n"
|
|
"VIR_TEST_DEBUG set to show information for debugging failures\n",
|
|
stderr);
|
|
return EXIT_FAILURE;
|
|
}
|
|
fprintf(stderr, "TEST: %s\n", progname);
|
|
|
|
if (virThreadInitialize() < 0 ||
|
|
virErrorInitialize() < 0)
|
|
return EXIT_FAILURE;
|
|
|
|
virLogSetFromEnv();
|
|
if (!getenv("LIBVIRT_DEBUG") && !virLogGetNbOutputs()) {
|
|
if (!(output = virLogOutputNew(virtTestLogOutput, virtTestLogClose,
|
|
&testLog, VIR_LOG_DEBUG,
|
|
VIR_LOG_TO_STDERR, NULL)) ||
|
|
VIR_APPEND_ELEMENT(outputs, noutputs, output) < 0 ||
|
|
virLogDefineOutputs(outputs, noutputs) < 0) {
|
|
virLogOutputFree(output);
|
|
virLogOutputListFree(outputs, noutputs);
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
|
|
if ((testRange = getenv("VIR_TEST_RANGE")) != NULL) {
|
|
if (!(testBitmap = virBitmapParseUnlimited(testRange))) {
|
|
fprintf(stderr, "Cannot parse range %s\n", testRange);
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
|
|
#ifdef TEST_OOM
|
|
if ((oomstr = getenv("VIR_TEST_OOM")) != NULL) {
|
|
char *next;
|
|
if (testDebug == -1)
|
|
testDebug = 1;
|
|
testOOM = 1;
|
|
if (oomstr[0] != '\0' &&
|
|
oomstr[1] == ':') {
|
|
if (virStrToLong_ui(oomstr + 2, &next, 10, &testOOMStart) < 0) {
|
|
fprintf(stderr, "Cannot parse range %s\n", oomstr);
|
|
return EXIT_FAILURE;
|
|
}
|
|
if (*next == '\0') {
|
|
testOOMEnd = testOOMStart;
|
|
} else {
|
|
if (*next != '-') {
|
|
fprintf(stderr, "Cannot parse range %s\n", oomstr);
|
|
return EXIT_FAILURE;
|
|
}
|
|
if (virStrToLong_ui(next+1, NULL, 10, &testOOMEnd) < 0) {
|
|
fprintf(stderr, "Cannot parse range %s\n", oomstr);
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
} else {
|
|
testOOMStart = -1;
|
|
testOOMEnd = -1;
|
|
}
|
|
}
|
|
|
|
# ifdef TEST_OOM_TRACE
|
|
if ((oomstr = getenv("VIR_TEST_OOM_TRACE")) != NULL) {
|
|
if (virStrToLong_ui(oomstr, NULL, 10, &testOOMTrace) < 0) {
|
|
fprintf(stderr, "Cannot parse oom trace %s\n", oomstr);
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
# else
|
|
if (getenv("VIR_TEST_OOM_TRACE")) {
|
|
fprintf(stderr, "%s", "OOM test tracing not enabled in this build\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
# endif
|
|
#else /* TEST_OOM */
|
|
if (getenv("VIR_TEST_OOM")) {
|
|
fprintf(stderr, "%s", "OOM testing not enabled in this build\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
if (getenv("VIR_TEST_OOM_TRACE")) {
|
|
fprintf(stderr, "%s", "OOM test tracing not enabled in this build\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
#endif /* TEST_OOM */
|
|
|
|
/* Find perl early because some tests override PATH */
|
|
perl = virFindFileInPath("perl");
|
|
|
|
ret = (func)();
|
|
|
|
virResetLastError();
|
|
if (!virTestGetVerbose() && ret != EXIT_AM_SKIP) {
|
|
if (testCounter == 0 || testCounter % 40)
|
|
fprintf(stderr, "%*s", 40 - (int)(testCounter % 40), "");
|
|
fprintf(stderr, " %-3zu %s\n", testCounter, ret == 0 ? "OK" : "FAIL");
|
|
}
|
|
virLogReset();
|
|
VIR_FREE(perl);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*
|
|
* @cmdset contains a list of command line args, eg
|
|
*
|
|
* "/usr/sbin/iptables --table filter --insert INPUT --in-interface virbr0 --protocol tcp --destination-port 53 --jump ACCEPT
|
|
* /usr/sbin/iptables --table filter --insert INPUT --in-interface virbr0 --protocol udp --destination-port 53 --jump ACCEPT
|
|
* /usr/sbin/iptables --table filter --insert FORWARD --in-interface virbr0 --jump REJECT
|
|
* /usr/sbin/iptables --table filter --insert FORWARD --out-interface virbr0 --jump REJECT
|
|
* /usr/sbin/iptables --table filter --insert FORWARD --in-interface virbr0 --out-interface virbr0 --jump ACCEPT"
|
|
*
|
|
* And we're munging it in-place to strip the path component
|
|
* of the command line, to produce
|
|
*
|
|
* "iptables --table filter --insert INPUT --in-interface virbr0 --protocol tcp --destination-port 53 --jump ACCEPT
|
|
* iptables --table filter --insert INPUT --in-interface virbr0 --protocol udp --destination-port 53 --jump ACCEPT
|
|
* iptables --table filter --insert FORWARD --in-interface virbr0 --jump REJECT
|
|
* iptables --table filter --insert FORWARD --out-interface virbr0 --jump REJECT
|
|
* iptables --table filter --insert FORWARD --in-interface virbr0 --out-interface virbr0 --jump ACCEPT"
|
|
*/
|
|
void virTestClearCommandPath(char *cmdset)
|
|
{
|
|
size_t offset = 0;
|
|
char *lineStart = cmdset;
|
|
char *lineEnd = strchr(lineStart, '\n');
|
|
|
|
while (lineStart) {
|
|
char *dirsep;
|
|
char *movestart;
|
|
size_t movelen;
|
|
dirsep = strchr(lineStart, ' ');
|
|
if (dirsep) {
|
|
while (dirsep > lineStart && *dirsep != '/')
|
|
dirsep--;
|
|
if (*dirsep == '/')
|
|
dirsep++;
|
|
movestart = dirsep;
|
|
} else {
|
|
movestart = lineStart;
|
|
}
|
|
movelen = lineEnd ? lineEnd - movestart : strlen(movestart);
|
|
|
|
if (movelen) {
|
|
memmove(cmdset + offset, movestart, movelen + 1);
|
|
offset += movelen + 1;
|
|
}
|
|
lineStart = lineEnd ? lineEnd + 1 : NULL;
|
|
lineEnd = lineStart ? strchr(lineStart, '\n') : NULL;
|
|
}
|
|
cmdset[offset] = '\0';
|
|
}
|
|
|
|
|
|
virCapsPtr virTestGenericCapsInit(void)
|
|
{
|
|
virCapsPtr caps;
|
|
virCapsGuestPtr guest;
|
|
|
|
if ((caps = virCapabilitiesNew(VIR_ARCH_X86_64,
|
|
false, false)) == NULL)
|
|
return NULL;
|
|
|
|
if ((guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_I686,
|
|
"/usr/bin/acme-virt", NULL,
|
|
0, NULL)) == NULL)
|
|
goto error;
|
|
|
|
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_TEST, NULL, NULL, 0, NULL))
|
|
goto error;
|
|
|
|
|
|
if ((guest = virCapabilitiesAddGuest(caps, VIR_DOMAIN_OSTYPE_HVM, VIR_ARCH_X86_64,
|
|
"/usr/bin/acme-virt", NULL,
|
|
0, NULL)) == NULL)
|
|
goto error;
|
|
|
|
if (!virCapabilitiesAddGuestDomain(guest, VIR_DOMAIN_VIRT_TEST, NULL, NULL, 0, NULL))
|
|
goto error;
|
|
|
|
|
|
if (virTestGetDebug() > 1) {
|
|
char *caps_str;
|
|
|
|
caps_str = virCapabilitiesFormatXML(caps);
|
|
if (!caps_str)
|
|
goto error;
|
|
|
|
VIR_TEST_DEBUG("Generic driver capabilities:\n%s", caps_str);
|
|
|
|
VIR_FREE(caps_str);
|
|
}
|
|
|
|
return caps;
|
|
|
|
error:
|
|
virObjectUnref(caps);
|
|
return NULL;
|
|
}
|
|
|
|
static virDomainDefParserConfig virTestGenericDomainDefParserConfig = {
|
|
.features = VIR_DOMAIN_DEF_FEATURE_INDIVIDUAL_VCPUS,
|
|
};
|
|
|
|
virDomainXMLOptionPtr virTestGenericDomainXMLConfInit(void)
|
|
{
|
|
return virDomainXMLOptionNew(&virTestGenericDomainDefParserConfig,
|
|
NULL, NULL, NULL, NULL);
|
|
}
|
|
|
|
|
|
int
|
|
testCompareDomXML2XMLFiles(virCapsPtr caps, virDomainXMLOptionPtr xmlopt,
|
|
const char *infile, const char *outfile, bool live,
|
|
unsigned int parseFlags,
|
|
testCompareDomXML2XMLResult expectResult)
|
|
{
|
|
char *actual = NULL;
|
|
int ret = -1;
|
|
testCompareDomXML2XMLResult result;
|
|
virDomainDefPtr def = NULL;
|
|
unsigned int parse_flags = live ? 0 : VIR_DOMAIN_DEF_PARSE_INACTIVE;
|
|
unsigned int format_flags = VIR_DOMAIN_DEF_FORMAT_SECURE;
|
|
|
|
parse_flags |= parseFlags;
|
|
|
|
if (!virFileExists(infile)) {
|
|
VIR_TEST_DEBUG("Test input file '%s' is missing", infile);
|
|
return -1;
|
|
}
|
|
|
|
if (!live)
|
|
format_flags |= VIR_DOMAIN_DEF_FORMAT_INACTIVE;
|
|
|
|
if (!(def = virDomainDefParseFile(infile, caps, xmlopt, NULL, parse_flags))) {
|
|
result = TEST_COMPARE_DOM_XML2XML_RESULT_FAIL_PARSE;
|
|
goto out;
|
|
}
|
|
|
|
if (!virDomainDefCheckABIStability(def, def, xmlopt)) {
|
|
VIR_TEST_DEBUG("ABI stability check failed on %s", infile);
|
|
result = TEST_COMPARE_DOM_XML2XML_RESULT_FAIL_STABILITY;
|
|
goto out;
|
|
}
|
|
|
|
if (!(actual = virDomainDefFormat(def, caps, format_flags))) {
|
|
result = TEST_COMPARE_DOM_XML2XML_RESULT_FAIL_FORMAT;
|
|
goto out;
|
|
}
|
|
|
|
if (virTestCompareToFile(actual, outfile) < 0) {
|
|
result = TEST_COMPARE_DOM_XML2XML_RESULT_FAIL_COMPARE;
|
|
goto out;
|
|
}
|
|
|
|
result = TEST_COMPARE_DOM_XML2XML_RESULT_SUCCESS;
|
|
|
|
out:
|
|
if (result == expectResult) {
|
|
ret = 0;
|
|
if (expectResult != TEST_COMPARE_DOM_XML2XML_RESULT_SUCCESS) {
|
|
VIR_TEST_DEBUG("Got expected failure code=%d msg=%s",
|
|
result, virGetLastErrorMessage());
|
|
}
|
|
} else {
|
|
ret = -1;
|
|
VIR_TEST_DEBUG("Expected result code=%d but received code=%d",
|
|
expectResult, result);
|
|
}
|
|
|
|
VIR_FREE(actual);
|
|
virDomainDefFree(def);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int virtTestCounter;
|
|
static char virtTestCounterStr[128];
|
|
static char *virtTestCounterPrefixEndOffset;
|
|
|
|
|
|
/**
|
|
* virTestCounterReset:
|
|
* @prefix: name of the test group
|
|
*
|
|
* Resets the counter and sets up the test group name to use with
|
|
* virTestCounterNext(). This function is not thread safe.
|
|
*
|
|
* Note: The buffer for the assembled message is 128 bytes long. Longer test
|
|
* case names (including the number index) will be silently truncated.
|
|
*/
|
|
void
|
|
virTestCounterReset(const char *prefix)
|
|
{
|
|
virtTestCounter = 0;
|
|
|
|
ignore_value(virStrcpyStatic(virtTestCounterStr, prefix));
|
|
virtTestCounterPrefixEndOffset = strchrnul(virtTestCounterStr, '\0');
|
|
}
|
|
|
|
|
|
/**
|
|
* virTestCounterNext:
|
|
*
|
|
* This function is designed to ease test creation and reordering by adding
|
|
* a way to do automagic test case numbering.
|
|
*
|
|
* Returns string consisting of test name prefix configured via
|
|
* virTestCounterReset() and a number that increments in every call of this
|
|
* function. This function is not thread safe.
|
|
*
|
|
* Note: The buffer for the assembled message is 128 bytes long. Longer test
|
|
* case names (including the number index) will be silently truncated.
|
|
*/
|
|
const char
|
|
*virTestCounterNext(void)
|
|
{
|
|
size_t len = ARRAY_CARDINALITY(virtTestCounterStr);
|
|
|
|
/* calculate length of the rest of the string */
|
|
len -= (virtTestCounterPrefixEndOffset - virtTestCounterStr);
|
|
|
|
snprintf(virtTestCounterPrefixEndOffset, len, "%d", ++virtTestCounter);
|
|
|
|
return virtTestCounterStr;
|
|
}
|