diff options
Diffstat (limited to 'tests/libqtest.c')
-rw-r--r-- | tests/libqtest.c | 219 |
1 files changed, 116 insertions, 103 deletions
diff --git a/tests/libqtest.c b/tests/libqtest.c index 098af6aec4..852ccff1ce 100644 --- a/tests/libqtest.c +++ b/tests/libqtest.c @@ -107,10 +107,28 @@ static void kill_qemu(QTestState *s) pid_t pid; kill(s->qemu_pid, SIGTERM); - pid = waitpid(s->qemu_pid, &wstatus, 0); + TFR(pid = waitpid(s->qemu_pid, &wstatus, 0)); - if (pid == s->qemu_pid && WIFSIGNALED(wstatus)) { - assert(!WCOREDUMP(wstatus)); + assert(pid == s->qemu_pid); + /* + * We expect qemu to exit with status 0; anything else is + * fishy and should be logged with as much detail as possible. + */ + if (wstatus) { + if (WIFEXITED(wstatus)) { + fprintf(stderr, "%s:%d: kill_qemu() tried to terminate QEMU " + "process but encountered exit status %d\n", + __FILE__, __LINE__, WEXITSTATUS(wstatus)); + } else if (WIFSIGNALED(wstatus)) { + int sig = WTERMSIG(wstatus); + const char *signame = strsignal(sig) ?: "unknown ???"; + const char *dump = WCOREDUMP(wstatus) ? " (core dumped)" : ""; + + fprintf(stderr, "%s:%d: kill_qemu() detected QEMU death " + "from signal %d (%s)%s\n", + __FILE__, __LINE__, sig, signame, dump); + } + abort(); } } } @@ -249,32 +267,33 @@ QTestState *qtest_init_without_qmp_handshake(bool use_oob, QTestState *qtest_init(const char *extra_args) { QTestState *s = qtest_init_without_qmp_handshake(false, extra_args); + QDict *greeting; /* Read the QMP greeting and then do the handshake */ - qtest_qmp_discard_response(s, ""); - qtest_qmp_discard_response(s, "{ 'execute': 'qmp_capabilities' }"); + greeting = qtest_qmp_receive(s); + qobject_unref(greeting); + qobject_unref(qtest_qmp(s, "{ 'execute': 'qmp_capabilities' }")); return s; } -QTestState *qtest_vstartf(const char *fmt, va_list ap) +QTestState *qtest_vinitf(const char *fmt, va_list ap) { char *args = g_strdup_vprintf(fmt, ap); QTestState *s; - s = qtest_start(args); + s = qtest_init(args); g_free(args); - global_qtest = NULL; return s; } -QTestState *qtest_startf(const char *fmt, ...) +QTestState *qtest_initf(const char *fmt, ...) { va_list ap; QTestState *s; va_start(ap, fmt); - s = qtest_vstartf(fmt, ap); + s = qtest_vinitf(fmt, ap); va_end(ap); return s; } @@ -348,7 +367,7 @@ static GString *qtest_recv_line(QTestState *s) if (len == -1 || len == 0) { fprintf(stderr, "Broken pipe\n"); - exit(1); + abort(); } g_string_append_len(s->rx, buffer, len); @@ -435,7 +454,7 @@ static void qmp_response(JSONMessageParser *parser, GQueue *tokens) obj = json_parser_parse(tokens, NULL); if (!obj) { fprintf(stderr, "QMP JSON response parsing failed\n"); - exit(1); + abort(); } g_assert(!qmp->response); @@ -461,7 +480,7 @@ QDict *qmp_fd_receive(int fd) if (len == -1 || len == 0) { fprintf(stderr, "Broken pipe\n"); - exit(1); + abort(); } if (log) { @@ -484,26 +503,22 @@ QDict *qtest_qmp_receive(QTestState *s) * in the case that they choose to discard all replies up until * a particular EVENT is received. */ -void qmp_fd_sendv(int fd, const char *fmt, va_list ap) +void qmp_fd_vsend(int fd, const char *fmt, va_list ap) { - va_list ap_copy; QObject *qobj; - /* qobject_from_jsonv() silently eats leading 0xff as invalid - * JSON, but we want to test sending them over the wire to force - * resyncs */ + /* + * qobject_from_vjsonf_nofail() chokes on leading 0xff as invalid + * JSON, but tests/test-qga.c needs to send that to test QGA + * synchronization + */ if (*fmt == '\377') { socket_send(fd, fmt, 1); fmt++; } - /* Going through qobject ensures we escape strings properly. - * This seemingly unnecessary copy is required in case va_list - * is an array type. - */ - va_copy(ap_copy, ap); - qobj = qobject_from_jsonv(fmt, &ap_copy, &error_abort); - va_end(ap_copy); + /* Going through qobject ensures we escape strings properly */ + qobj = qobject_from_vjsonf_nofail(fmt, ap); /* No need to send anything for an empty QObject. */ if (qobj) { @@ -529,21 +544,21 @@ void qmp_fd_sendv(int fd, const char *fmt, va_list ap) } } -void qtest_async_qmpv(QTestState *s, const char *fmt, va_list ap) +void qtest_qmp_vsend(QTestState *s, const char *fmt, va_list ap) { - qmp_fd_sendv(s->qmp_fd, fmt, ap); + qmp_fd_vsend(s->qmp_fd, fmt, ap); } QDict *qmp_fdv(int fd, const char *fmt, va_list ap) { - qmp_fd_sendv(fd, fmt, ap); + qmp_fd_vsend(fd, fmt, ap); return qmp_fd_receive(fd); } -QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap) +QDict *qtest_vqmp(QTestState *s, const char *fmt, va_list ap) { - qtest_async_qmpv(s, fmt, ap); + qtest_qmp_vsend(s, fmt, ap); /* Receive reply */ return qtest_qmp_receive(s); @@ -565,7 +580,7 @@ void qmp_fd_send(int fd, const char *fmt, ...) va_list ap; va_start(ap, fmt); - qmp_fd_sendv(fd, fmt, ap); + qmp_fd_vsend(fd, fmt, ap); va_end(ap); } @@ -575,37 +590,20 @@ QDict *qtest_qmp(QTestState *s, const char *fmt, ...) QDict *response; va_start(ap, fmt); - response = qtest_qmpv(s, fmt, ap); + response = qtest_vqmp(s, fmt, ap); va_end(ap); return response; } -void qtest_async_qmp(QTestState *s, const char *fmt, ...) +void qtest_qmp_send(QTestState *s, const char *fmt, ...) { va_list ap; va_start(ap, fmt); - qtest_async_qmpv(s, fmt, ap); + qtest_qmp_vsend(s, fmt, ap); va_end(ap); } -void qtest_qmpv_discard_response(QTestState *s, const char *fmt, va_list ap) -{ - QDict *response = qtest_qmpv(s, fmt, ap); - qobject_unref(response); -} - -void qtest_qmp_discard_response(QTestState *s, const char *fmt, ...) -{ - va_list ap; - QDict *response; - - va_start(ap, fmt); - response = qtest_qmpv(s, fmt, ap); - va_end(ap); - qobject_unref(response); -} - QDict *qtest_qmp_eventwait_ref(QTestState *s, const char *event) { QDict *response; @@ -628,7 +626,7 @@ void qtest_qmp_eventwait(QTestState *s, const char *event) qobject_unref(response); } -char *qtest_hmpv(QTestState *s, const char *fmt, va_list ap) +char *qtest_vhmp(QTestState *s, const char *fmt, va_list ap) { char *cmd; QDict *resp; @@ -657,7 +655,7 @@ char *qtest_hmp(QTestState *s, const char *fmt, ...) char *ret; va_start(ap, fmt); - ret = qtest_hmpv(s, fmt, ap); + ret = qtest_vhmp(s, fmt, ap); va_end(ap); return ret; } @@ -963,35 +961,27 @@ QDict *qmp(const char *fmt, ...) QDict *response; va_start(ap, fmt); - response = qtest_qmpv(global_qtest, fmt, ap); + response = qtest_vqmp(global_qtest, fmt, ap); va_end(ap); return response; } -void qmp_async(const char *fmt, ...) +void qmp_send(const char *fmt, ...) { va_list ap; va_start(ap, fmt); - qtest_async_qmpv(global_qtest, fmt, ap); + qtest_qmp_vsend(global_qtest, fmt, ap); va_end(ap); } -void qmp_discard_response(const char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - qtest_qmpv_discard_response(global_qtest, fmt, ap); - va_end(ap); -} char *hmp(const char *fmt, ...) { va_list ap; char *ret; va_start(ap, fmt); - ret = qtest_hmpv(global_qtest, fmt, ap); + ret = qtest_vhmp(global_qtest, fmt, ap); va_end(ap); return ret; } @@ -1031,35 +1021,67 @@ void qtest_cb_for_every_machine(void (*cb)(const char *machine)) qobject_unref(response); } +QDict *qtest_qmp_receive_success(QTestState *s, + void (*event_cb)(void *opaque, + const char *event, + QDict *data), + void *opaque) +{ + QDict *response, *ret, *data; + const char *event; + + for (;;) { + response = qtest_qmp_receive(s); + g_assert(!qdict_haskey(response, "error")); + ret = qdict_get_qdict(response, "return"); + if (ret) { + break; + } + event = qdict_get_str(response, "event"); + data = qdict_get_qdict(response, "data"); + if (event_cb) { + event_cb(opaque, event, data); + } + qobject_unref(response); + } + + qobject_ref(ret); + qobject_unref(response); + return ret; +} + /* * Generic hot-plugging test via the device_add QMP command. */ -void qtest_qmp_device_add(const char *driver, const char *id, const char *fmt, - ...) +void qtest_qmp_device_add(const char *driver, const char *id, + const char *fmt, ...) { - QDict *response; - char *cmd, *opts = NULL; - va_list va; + QDict *args, *response; + va_list ap; - if (fmt) { - va_start(va, fmt); - opts = g_strdup_vprintf(fmt, va); - va_end(va); - } + va_start(ap, fmt); + args = qdict_from_vjsonf_nofail(fmt, ap); + va_end(ap); - cmd = g_strdup_printf("{'execute': 'device_add'," - " 'arguments': { 'driver': '%s', 'id': '%s'%s%s }}", - driver, id, opts ? ", " : "", opts ? opts : ""); - g_free(opts); + g_assert(!qdict_haskey(args, "driver") && !qdict_haskey(args, "id")); + qdict_put_str(args, "driver", driver); + qdict_put_str(args, "id", id); - response = qmp(cmd); - g_free(cmd); + response = qmp("{'execute': 'device_add', 'arguments': %p}", args); g_assert(response); g_assert(!qdict_haskey(response, "event")); /* We don't expect any events */ g_assert(!qdict_haskey(response, "error")); qobject_unref(response); } +static void device_deleted_cb(void *opaque, const char *name, QDict *data) +{ + bool *got_event = opaque; + + g_assert_cmpstr(name, ==, "DEVICE_DELETED"); + *got_event = true; +} + /* * Generic hot-unplugging test via the device_del QMP command. * Device deletion will get one response and one event. For example: @@ -1080,30 +1102,21 @@ void qtest_qmp_device_add(const char *driver, const char *id, const char *fmt, */ void qtest_qmp_device_del(const char *id) { - QDict *response1, *response2, *event = NULL; - char *cmd; - - cmd = g_strdup_printf("{'execute': 'device_del'," - " 'arguments': { 'id': '%s' }}", id); - response1 = qmp(cmd); - g_free(cmd); - g_assert(response1); - g_assert(!qdict_haskey(response1, "error")); + bool got_event = false; + QDict *rsp; - response2 = qmp(""); - g_assert(response2); - g_assert(!qdict_haskey(response2, "error")); - - if (qdict_haskey(response1, "event")) { - event = response1; - } else if (qdict_haskey(response2, "event")) { - event = response2; + qtest_qmp_send(global_qtest, + "{'execute': 'device_del', 'arguments': {'id': %s}}", + id); + rsp = qtest_qmp_receive_success(global_qtest, device_deleted_cb, + &got_event); + qobject_unref(rsp); + if (!got_event) { + rsp = qmp_receive(); + g_assert_cmpstr(qdict_get_try_str(rsp, "event"), + ==, "DEVICE_DELETED"); + qobject_unref(rsp); } - g_assert(event); - g_assert_cmpstr(qdict_get_str(event, "event"), ==, "DEVICE_DELETED"); - - qobject_unref(response1); - qobject_unref(response2); } bool qmp_rsp_is_err(QDict *rsp) |