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libvirt/tests/virshtest.c
Peter Krempa 2ccb213f94 virshtest: Add test case for script friendly options 
Add a bunch of tests verifying that script-friendly options of certain
commands are not changed incompatibly thus potentially breaking user
scripts.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
2024-09-05 15:24:55 +02:00

505 lines
17 KiB
C
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#include <config.h>
#include <unistd.h>
#include <fcntl.h>
#include "internal.h"
#include "testutils.h"
#include "vircommand.h"
#include "util/virthread.h"
#define VIR_FROM_THIS VIR_FROM_NONE
#ifdef WIN32
int
main(void)
{
return EXIT_AM_SKIP;
}
#else
static void testFilterLine(char *buffer,
const char *toRemove)
{
char *start;
while ((start = strstr(buffer, toRemove))) {
char *end;
if (!(end = strstr(start+1, "\n"))) {
*start = '\0';
} else {
memmove(start, end, strlen(end)+1);
}
}
}
static int
testCompareOutputLit(const char *expectFile,
const char *filter,
const char *const *env,
const char *const argv[])
{
g_autofree char *actual = NULL;
const char *empty = "";
g_autoptr(virCommand) cmd = NULL;
int exitstatus = 0;
cmd = virCommandNewArgs(argv);
virCommandAddEnvString(cmd, "LANG=C");
while (env && *env) {
virCommandAddEnvString(cmd, *env);
env++;
}
virCommandSetInputBuffer(cmd, empty);
virCommandSetOutputBuffer(cmd, &actual);
virCommandSetErrorBuffer(cmd, &actual);
if (virCommandRun(cmd, &exitstatus) < 0)
return -1;
if (exitstatus != 0) {
g_autofree char *tmp = g_steal_pointer(&actual);
actual = g_strdup_printf("%s\n## Exit code: %d\n", tmp, exitstatus);
}
if (filter)
testFilterLine(actual, filter);
if (virTestCompareToFileFull(actual, expectFile, false) < 0)
return -1;
return 0;
}
# define VIRSH_DEFAULT abs_top_builddir "/tools/virsh", \
"--connect", \
"test:///default"
static char *custom_uri;
# define VIRSH_CUSTOM abs_top_builddir "/tools/virsh", \
"--connect", \
custom_uri
struct testInfo {
const char *testname; /* used to generate output filename */
const char *filter;
const char *const *argv;
bool expensive;
const char *const *env; /* extra environment variables to pass */
bool forbid_root;
bool need_readline;
};
static int testCompare(const void *data)
{
const struct testInfo *info = data;
g_autofree char *outfile = NULL;
if (info->expensive && virTestGetExpensive() == 0)
return EXIT_AM_SKIP;
if (info->forbid_root && geteuid() == 0)
return EXIT_AM_SKIP;
# ifndef WITH_READLINE
if (info->need_readline)
return EXIT_AM_SKIP;
# endif
if (info->testname) {
outfile = g_strdup_printf("%s/virshtestdata/%s.out",
abs_srcdir, info->testname);
}
return testCompareOutputLit(outfile, info->filter, info->env, info->argv);
}
static void
testPipeFeeder(void *opaque)
{
/* feed more than observed buffer size which was historically 128k in the
* test this was adapted from */
size_t emptyspace = 140 * 1024;
const char *pipepath = opaque;
const char *xml =
"<domain type='test' id='2'>\n"
" <name>t2</name>\n"
" <uuid>004b96e1-2d78-c30f-5aa5-000000000000</uuid>\n"
" <memory>8388608</memory>\n"
" <vcpu>2</vcpu>\n"
" <os>\n"
" <type>xen</type>\n"
" </os>\n"
"</domain>\n";
size_t xmlsize = strlen(xml);
g_autofree char *doc = g_new0(char, emptyspace + xmlsize + 1);
VIR_AUTOCLOSE fd = -1;
if ((fd = open(pipepath, O_WRONLY)) < 0) {
fprintf(stderr, "\nfailed to open pipe '%s': %s\n", pipepath, g_strerror(errno));
return;
}
memset(doc, ' ', emptyspace);
g_assert(virStrcpy(doc + emptyspace, xml, xmlsize + 1) == 0);
if (safewrite(fd, doc, emptyspace + xmlsize) < 0) {
fprintf(stderr, "\nfailed to write to pipe '%s': %s\n", pipepath, g_strerror(errno));
return;
}
}
static int
testVirshPipe(const void *data G_GNUC_UNUSED)
{
char tmpdir[] = "/tmp/libvirt_virshtest_XXXXXXX";
g_autofree char *pipepath = NULL;
virThread feeder;
bool join = false;
g_autofree char *cmdstr = NULL;
const char *argv[] = { VIRSH_DEFAULT, NULL, NULL };
int ret = -1;
if (!g_mkdtemp(tmpdir)) {
fprintf(stderr, "\nfailed to create temporary directory\n");
return -1;
}
pipepath = g_strdup_printf("%s/pipe", tmpdir);
cmdstr = g_strdup_printf("define %s ; list --all", pipepath);
argv[3] = cmdstr;
if (mkfifo(pipepath, 0600) < 0) {
fprintf(stderr, "\nfailed to create pipe '%s': %s\n", pipepath, g_strerror(errno));
goto cleanup;
}
if (virThreadCreate(&feeder, true, testPipeFeeder, pipepath) < 0)
goto cleanup;
join = true;
if (testCompareOutputLit(abs_srcdir "/virshtestdata/read-big-pipe.out",
"/tmp/libvirt_virshtest", NULL, argv) < 0)
goto cleanup;
ret = 0;
cleanup:
if (join)
virThreadJoin(&feeder);
unlink(pipepath);
rmdir(tmpdir);
return ret;
}
static int
mymain(void)
{
int ret = 0;
bool need_readline = false;
custom_uri = g_strdup_printf("test://%s/../examples/xml/test/testnode.xml",
abs_srcdir);
# define DO_TEST_SCRIPT_FULL(testname_, expensive, testfilter, ...) \
{ \
const char *testname = testname_; \
g_autofree char *infile = g_strdup_printf("%s/virshtestdata/%s.in", \
abs_srcdir, testname); \
const char *myargv[] = { __VA_ARGS__, NULL, NULL }; \
const char **tmp = myargv; \
const struct testInfo info = { testname, testfilter, myargv, expensive, NULL, false, need_readline}; \
g_autofree char *scriptarg = NULL; \
if (virFileReadAll(infile, 256 * 1024, &scriptarg) < 0) { \
fprintf(stderr, "\nfailed to load '%s'\n", infile); \
ret = -1; \
} \
while (*tmp) \
tmp++; \
*tmp = scriptarg; \
if (virTestRun(testname, testCompare, &info) < 0) \
ret = -1; \
} while (0);
# define DO_TEST_SCRIPT(testname_, testfilter, ...) \
DO_TEST_SCRIPT_FULL(testname_, false, testfilter, __VA_ARGS__);
DO_TEST_SCRIPT("info-default", NULL, VIRSH_DEFAULT);
DO_TEST_SCRIPT("info-custom", NULL, VIRSH_CUSTOM);
DO_TEST_SCRIPT("domain-id", "\nCPU time:", VIRSH_CUSTOM);
DO_TEST_SCRIPT("blkiotune", NULL, VIRSH_CUSTOM);
DO_TEST_SCRIPT("iothreads", NULL, VIRSH_CUSTOM);
# define DO_TEST_INFO(infostruct) \
if (virTestRun((infostruct)->testname, testCompare, (infostruct)) < 0) \
ret = -1;
# define DO_TEST_FULL(testname, filter, ...) \
do { \
const char *myargv[] = { __VA_ARGS__, NULL }; \
const struct testInfo info = { testname, NULL, myargv, false, NULL, false, need_readline }; \
DO_TEST_INFO(&info); \
} while (0)
/* automatically numbered test invocation */
# define DO_TEST(...) \
DO_TEST_FULL(virTestCounterNext(), NULL, VIRSH_DEFAULT, __VA_ARGS__);
/* Arg parsing quote removal tests. */
virTestCounterReset("echo-quote-removal-");
DO_TEST("echo a \t b");
DO_TEST("echo \"a \t b\"");
DO_TEST("echo 'a \t b'");
DO_TEST("echo a\\ \\\t\\ b");
DO_TEST("echo", "'", "\"", "\\;echo\ta");
DO_TEST("echo \\' \\\" \\;echo\ta");
DO_TEST("echo \\' \\\" \\\\;echo\ta");
DO_TEST("echo \"'\" '\"' '\\'\"\\\\\"");
/* Tests of echo flags. */
DO_TEST_SCRIPT("echo-escaping", NULL, VIRSH_DEFAULT);
virTestCounterReset("echo-escaping-");
DO_TEST("echo", "a", "A", "0", "+", "*", ";", ".", "'", "\"", "/", "?", "=", " ", "\n", "<", ">", "&");
DO_TEST("echo", "--shell", "a", "A", "0", "+", "*", ";", ".", "'", "\"", "/", "?", "=", " ", "\n", "<", ">", "&");
DO_TEST("echo", "--xml", "a", "A", "0", "+", "*", ";", ".", "'", "\"", "/", "?", "=", " ", "\n", "<", ">", "&");
/* Tests of -- handling. */
virTestCounterReset("dash-dash-argument-");
DO_TEST("--", "echo", "--shell", "a");
DO_TEST("--", "echo", "a", "--shell");
DO_TEST("--", "echo", "--", "a", "--shell");
DO_TEST("echo", "--", "--", "--shell", "a");
DO_TEST("echo --s\\h'e'\"l\"l -- a");
DO_TEST("echo \t '-'\"-\" \t --shell \t a");
/* Tests of alias handling. */
DO_TEST_SCRIPT("echo-alias", NULL, VIRSH_DEFAULT);
DO_TEST_FULL("echo-alias-argv", NULL, VIRSH_DEFAULT, "echo", "--str", "hello");
/* Tests of multiple commands. */
virTestCounterReset("multiple-commands-");
DO_TEST(" echo a; echo b;");
DO_TEST("\necho a\n echo b\n");
DO_TEST("ec\\\nho a\n echo \\\n b;");
DO_TEST("\"ec\\\nho\" a\n echo \"\\\n b\";");
DO_TEST("ec\\\nho a\n echo '\\\n b';");
DO_TEST("echo a # b");
DO_TEST("echo a #b\necho c");
DO_TEST("echo a # b\\\necho c");
DO_TEST("echo a '#' b");
DO_TEST("echo a \\# b");
DO_TEST("#unbalanced; 'quotes\"\necho a # b");
DO_TEST("\\# ignored;echo a\n'#also' ignored");
/* test of the --help option handling */
DO_TEST_SCRIPT("help-option", NULL, VIRSH_DEFAULT, "-q");
/* test of splitting in vshStringToArray */
DO_TEST_SCRIPT("echo-split", NULL, VIRSH_DEFAULT, "-q");
/* comprehensive coverage of argument assignment */
DO_TEST_SCRIPT("argument-assignment", NULL, VIRSH_DEFAULT, "-k0", "-d0");
DO_TEST_SCRIPT("snapshot-create-args", NULL, VIRSH_DEFAULT, "-q");
DO_TEST_SCRIPT("numeric-parsing", NULL, VIRSH_DEFAULT);
/* The 'numeric-parsing-event' invokes virsh event with a 1 second timeout,
* thus is marked expensive */
DO_TEST_SCRIPT_FULL("numeric-parsing-event", true, NULL, VIRSH_DEFAULT);
DO_TEST_SCRIPT("attach-disk", NULL, VIRSH_DEFAULT);
DO_TEST_SCRIPT("vcpupin", NULL, VIRSH_DEFAULT);
DO_TEST_SCRIPT("lifecycle", "\nCPU time:", VIRSH_CUSTOM);
DO_TEST_FULL("domain-id-overflow", NULL, VIRSH_CUSTOM, "-q", "domname", "4294967298");
DO_TEST_FULL("schedinfo-invalid-argument", NULL, VIRSH_DEFAULT, "schedinfo", "1", "--set", "j=k");
DO_TEST_FULL("pool-define-as", NULL, VIRSH_DEFAULT, "-q",
"pool-define-as", "--print-xml", "P", "dir", "src-host",
"/src/path", "/src/dev", "S", "/target-path");
DO_TEST_SCRIPT("snapshot", "<creationTime", VIRSH_DEFAULT);
DO_TEST_FULL("snapshot-redefine", NULL, VIRSH_DEFAULT,
"cd " abs_srcdir "/virshtestdata ;"
"echo 'Redefine must be in topological order; this will fail' ;"
"snapshot-create test --redefine snapshot-s2.xml --validate ;"
"echo 'correct order' ;"
"snapshot-create test --redefine snapshot-s3.xml --validate ;"
"snapshot-create test --redefine snapshot-s2.xml --current --validate ;"
"snapshot-info test --current");
DO_TEST_SCRIPT("checkpoint", "<creationTime", VIRSH_DEFAULT);
DO_TEST_FULL("checkpoint-redefine", NULL, VIRSH_DEFAULT,
"cd " abs_srcdir "/virshtestdata ;"
"echo 'Redefine must be in topological order; this will fail' ;"
"checkpoint-create test --redefine checkpoint-c2.xml ;"
"echo 'correct order' ;"
"checkpoint-create test --redefine checkpoint-c3.xml ;"
"checkpoint-create test --redefine checkpoint-c2.xml ;"
"checkpoint-info test c2");
DO_TEST_SCRIPT("script-friendly-options", NULL, VIRSH_CUSTOM);
/* completion doesn't work on non-readline builds */
need_readline = true;
DO_TEST_FULL("completion-command", NULL, VIRSH_CUSTOM,
"complete", "--", "ech");
DO_TEST_FULL("completion-command-complete", NULL, VIRSH_CUSTOM,
"complete", "--", "echo");
DO_TEST_FULL("completion-args", NULL, VIRSH_CUSTOM,
"complete", "--", "echo", "");
DO_TEST_FULL("completion-arg-partial", NULL, VIRSH_CUSTOM,
"complete", "--", "echo", "--xm", "--s");
DO_TEST_FULL("completion-arg-full-bool", NULL, VIRSH_CUSTOM,
"complete", "--", "echo", "--nonexistant-arg", "--xml");
DO_TEST_FULL("completion-arg-full-bool-next", NULL, VIRSH_CUSTOM,
"complete", "--", "echo", "--nonexistant-arg", "--xml", "");
DO_TEST_FULL("completion-arg-full-string", NULL, VIRSH_CUSTOM,
"complete", "--", "echo", "--nonexistant-arg", "--prefix");
DO_TEST_FULL("completion-arg-full-string-next", NULL, VIRSH_CUSTOM,
"complete", "--", "echo", "--nonexistant-arg", "--prefix", "");
DO_TEST_FULL("completion-arg-full-argv", NULL, VIRSH_CUSTOM,
"complete", "--", "domstats", "--domain");
DO_TEST_FULL("completion-arg-full-argv-next", NULL, VIRSH_DEFAULT,
"complete", "--", "domstats", "--domain", "");
DO_TEST_FULL("completion-argv-multiple", NULL, VIRSH_CUSTOM,
"complete", "--", "domstats", "--domain", "fc", "--domain", "fv");
DO_TEST_FULL("completion-argv-multiple-next", NULL, VIRSH_CUSTOM,
"complete", "--", "domstats", "--domain", "fv", "--domain", "fc", "");
DO_TEST_FULL("completion-argv-multiple-positional", NULL, VIRSH_CUSTOM,
"complete", "--", "domstats", "--domain", "fc", "fv");
DO_TEST_FULL("completion-argv-multiple-positional-next", NULL, VIRSH_CUSTOM,
"complete", "--", "domstats", "--domain", "fc", "fv", "");
DO_TEST_FULL("completion-arg-positional-empty", NULL, VIRSH_CUSTOM,
"complete", "--", "domstate", "");
DO_TEST_FULL("completion-arg-positional-partial", NULL, VIRSH_CUSTOM,
"complete", "--", "domstate", "fv");
DO_TEST_FULL("completion-arg-positional-partial-next", NULL, VIRSH_CUSTOM,
"complete", "--", "domstate", "fv", "");
DO_TEST_SCRIPT("completion", NULL, VIRSH_DEFAULT);
need_readline = false;
if (virTestRun("read-big-pipe", testVirshPipe, NULL) < 0)
ret = -1;
/* Test precedence of URI lookup in virsh:
*
* Precedence is the following (lowest priority first):
*
* 1) if run as root, 'uri_default' from /etc/libvirtd/libvirt.conf,
* otherwise qemu:///session. There is no way to mock this file for
* virsh/libvirt.so and the user may have set anything in there that
* would spoil the test, so we don't test this
*
* 2) 'uri_default' from $XDG_CONFIG_HOME/libvirt/libvirt.conf
*
* 3) LIBVIRT_DEFAULT_URI
*
* 4) VIRSH_DEFAULT_CONNECT_URI
*
* 5) parameter -c (--connect)
*
* There are two pre-prepared directories in tests/virshtestdata/ serving
* as mock XDG_CONFIG_HOME containing the test configs.
*/
{
const char *uriTest = "uri; connect; uri";
const char *myargv_noconnect[] = { abs_top_builddir "/tools/virsh", uriTest, NULL };
const char *xdgDirBad = "XDG_CONFIG_HOME=" abs_srcdir "/virshtestdata/uriprecedence-xdg/bad/";
struct testInfo info = { NULL, NULL, myargv_noconnect, false, NULL, false, false };
/* test 1 - default from config */
{
const char *myenv[] = {
"XDG_CONFIG_HOME=" abs_srcdir "/virshtestdata/uriprecedence-xdg/good/",
NULL,
};
info.testname = "uriprecedence-xdg-config";
info.env = myenv;
info.forbid_root = true;
DO_TEST_INFO(&info);
}
/* all other tests don't care */
info.forbid_root = false;
/* test 2 - LIBVIRT_DEFAULT_URI env variable */
{
const char *myenv[] = {
xdgDirBad,
"LIBVIRT_DEFAULT_URI=test:///default?good_uri",
NULL,
};
info.testname = "uriprecedence-LIBVIRT_DEFAULT_URI";
info.env = myenv;
DO_TEST_INFO(&info);
}
/* test 3 - VIRSH_DEFAULT_CONNECT_URI env variable */
{
const char *myenv[] = {
xdgDirBad,
"LIBVIRT_DEFAULT_URI=test:///default?bad_uri",
"VIRSH_DEFAULT_CONNECT_URI=test:///default?good_uri",
NULL,
};
info.testname = "uriprecedence-VIRSH_DEFAULT_CONNECT_URI";
info.env = myenv;
DO_TEST_INFO(&info);
}
/* test 3 - --connect parameter */
{
const char *myenv[] = {
xdgDirBad,
"LIBVIRT_DEFAULT_URI=test:///default?bad_uri",
"VIRSH_DEFAULT_CONNECT_URI=test:///default?bad_uri",
NULL,
};
const char *myargv[] = {
abs_top_builddir "/tools/virsh",
"--connect", "test:///default?good_uri",
uriTest,
NULL,
};
info.testname = "uriprecedence-param";
info.env = myenv;
info.argv = myargv;
DO_TEST_INFO(&info);
}
}
VIR_FREE(custom_uri);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN(mymain)
#endif /* WIN32 */
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