On Mon, Mar 22, 2021 at 3:31 AM Lukas Straub <lukasstra...@web.de> wrote:
> Add tests for yank with the chardev-change case.
>
> Signed-off-by: Lukas Straub <lukasstra...@web.de>
> ---
> MAINTAINERS | 1 +
> tests/unit/meson.build | 3 +-
> tests/unit/test-yank.c | 240 +++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 243 insertions(+), 1 deletion(-)
> create mode 100644 tests/unit/test-yank.c
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index aa024eed17..a8a7f0d1c2 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -2817,6 +2817,7 @@ F: monitor/yank.c
> F: stubs/yank.c
> F: include/qemu/yank.h
> F: qapi/yank.json
> +F: tests/unit/test-yank.c
>
> COLO Framework
> M: zhanghailiang <zhang.zhanghaili...@huawei.com>
> diff --git a/tests/unit/meson.build b/tests/unit/meson.build
> index 8ccf60af66..38e5dba920 100644
> --- a/tests/unit/meson.build
> +++ b/tests/unit/meson.build
> @@ -123,7 +123,8 @@ if have_system
> 'test-util-sockets': ['socket-helpers.c'],
> 'test-base64': [],
> 'test-bufferiszero': [],
> - 'test-vmstate': [migration, io, '../../monitor/yank.c']
> + 'test-vmstate': [migration, io, '../../monitor/yank.c'],
> + 'test-yank': ['socket-helpers.c', qom, io, chardev,
> '../../monitor/yank.c']
> }
> if 'CONFIG_INOTIFY1' in config_host
> tests += {'test-util-filemonitor': []}
> diff --git a/tests/unit/test-yank.c b/tests/unit/test-yank.c
> new file mode 100644
> index 0000000000..44f24c45a8
> --- /dev/null
> +++ b/tests/unit/test-yank.c
> @@ -0,0 +1,240 @@
> +#include "qemu/osdep.h"
> +#include <glib/gstdio.h>
> +
> +#include "qemu/config-file.h"
> +#include "qemu/module.h"
> +#include "qemu/option.h"
> +#include "qemu/sockets.h"
> +#include "chardev/char-fe.h"
> +#include "sysemu/sysemu.h"
> +#include "qapi/error.h"
> +#include "qapi/qapi-commands-char.h"
> +#include "qapi/qmp/qdict.h"
> +#include "qom/qom-qobject.h"
> +#include "io/channel-socket.h"
> +#include "qapi/qobject-input-visitor.h"
> +#include "qapi/qapi-visit-sockets.h"
> +#include "socket-helpers.h"
> +#include "qapi/qapi-commands-yank.h"
> +#include "qapi/qapi-types-yank.h"
> +
> +static int chardev_change(void *opaque)
> +{
> + return 0;
> +}
> +
> +static bool is_yank_instance_registered(void)
> +{
> + YankInstanceList *list;
> + bool ret;
> +
> + list = qmp_query_yank(&error_abort);
> +
> + ret = !!list;
> +
> + qapi_free_YankInstanceList(list);
> +
> + return ret;
> +}
> +
> +static void char_change_to_yank_test(gconstpointer opaque)
> +{
> + SocketAddress *addr = (gpointer) opaque;
> + Chardev *chr;
> + CharBackend be;
> + ChardevReturn *ret;
> + QIOChannelSocket *ioc;
> +
> + /*
> + * Setup a listener socket and determine its address
> + * so we know the TCP port for the client later
> + */
> + ioc = qio_channel_socket_new();
> + g_assert_nonnull(ioc);
> + qio_channel_socket_listen_sync(ioc, addr, 1, &error_abort);
> + addr = qio_channel_socket_get_local_address(ioc, &error_abort);
> + g_assert_nonnull(addr);
> +
> + ChardevBackend old_backend = { .type = CHARDEV_BACKEND_KIND_NULL };
> + ChardevBackend new_backend = {
> + .type = CHARDEV_BACKEND_KIND_SOCKET,
> + .u.socket.data = &(ChardevSocket) {
> + .addr = &(SocketAddressLegacy) {
> + .type = SOCKET_ADDRESS_LEGACY_KIND_INET,
> + .u.inet.data = &addr->u.inet
> + },
> + .has_server = true,
> + .server = false
> + } };
> +
>
It looks like you should be able to factorize the code with a common
function:
test_yank_change(first, second, first_registerd, second_registered)
or something like that.
thanks
+ g_assert(!is_yank_instance_registered());
> +
> + ret = qmp_chardev_add("chardev", &old_backend, &error_abort);
> + qapi_free_ChardevReturn(ret);
> + chr = qemu_chr_find("chardev");
> + g_assert_nonnull(chr);
> +
> + g_assert(!is_yank_instance_registered());
> +
> + qemu_chr_wait_connected(chr, &error_abort);
> + qemu_chr_fe_init(&be, chr, &error_abort);
> + /* allow chardev-change */
> + qemu_chr_fe_set_handlers(&be, NULL, NULL,
> + NULL, chardev_change, NULL, NULL, true);
> +
> + ret = qmp_chardev_change("chardev", &new_backend, &error_abort);
> + g_assert_nonnull(ret);
> + g_assert(be.chr != chr);
> + g_assert(is_yank_instance_registered());
> +
> + object_unparent(OBJECT(be.chr));
> + object_unref(OBJECT(ioc));
> + qapi_free_ChardevReturn(ret);
> +}
> +
> +static void char_change_yank_to_yank_test(gconstpointer opaque)
> +{
> + SocketAddress *addr = (gpointer) opaque;
> + Chardev *chr;
> + CharBackend be;
> + ChardevReturn *ret;
> + QIOChannelSocket *ioc;
> +
> + /*
> + * Setup a listener socket and determine its address
> + * so we know the TCP port for the client later
> + */
> + ioc = qio_channel_socket_new();
> + g_assert_nonnull(ioc);
> + qio_channel_socket_listen_sync(ioc, addr, 1, &error_abort);
> + addr = qio_channel_socket_get_local_address(ioc, &error_abort);
> + g_assert_nonnull(addr);
> +
> + ChardevBackend backend = {
> + .type = CHARDEV_BACKEND_KIND_SOCKET,
> + .u.socket.data = &(ChardevSocket) {
> + .addr = &(SocketAddressLegacy) {
> + .type = SOCKET_ADDRESS_LEGACY_KIND_INET,
> + .u.inet.data = &addr->u.inet
> + },
> + .has_server = true,
> + .server = false
> + } };
> +
> + g_assert(!is_yank_instance_registered());
> +
> + ret = qmp_chardev_add("chardev", &backend, &error_abort);
> + qapi_free_ChardevReturn(ret);
> + chr = qemu_chr_find("chardev");
> + g_assert_nonnull(chr);
> +
> + g_assert(is_yank_instance_registered());
> +
> + qemu_chr_wait_connected(chr, &error_abort);
> + qemu_chr_fe_init(&be, chr, &error_abort);
> + /* allow chardev-change */
> + qemu_chr_fe_set_handlers(&be, NULL, NULL,
> + NULL, chardev_change, NULL, NULL, true);
> +
> + ret = qmp_chardev_change("chardev", &backend, &error_abort);
> + g_assert_nonnull(ret);
> + g_assert(be.chr != chr);
> + g_assert(is_yank_instance_registered());
> +
> + object_unparent(OBJECT(be.chr));
> + object_unref(OBJECT(ioc));
> + qapi_free_ChardevReturn(ret);
> +}
> +
> +static void char_change_from_yank_test(gconstpointer opaque)
> +{
> + SocketAddress *addr = (gpointer) opaque;
> + Chardev *chr;
> + CharBackend be;
> + ChardevReturn *ret;
> + QIOChannelSocket *ioc;
> +
> + /*
> + * Setup a listener socket and determine its address
> + * so we know the TCP port for the client later
> + */
> + ioc = qio_channel_socket_new();
> + g_assert_nonnull(ioc);
> + qio_channel_socket_listen_sync(ioc, addr, 1, &error_abort);
> + addr = qio_channel_socket_get_local_address(ioc, &error_abort);
> + g_assert_nonnull(addr);
> +
> + ChardevBackend old_backend = {
> + .type = CHARDEV_BACKEND_KIND_SOCKET,
> + .u.socket.data = &(ChardevSocket) {
> + .addr = &(SocketAddressLegacy) {
> + .type = SOCKET_ADDRESS_LEGACY_KIND_INET,
> + .u.inet.data = &addr->u.inet
> + },
> + .has_server = true,
> + .server = false
> + } };
> + ChardevBackend new_backend = { .type = CHARDEV_BACKEND_KIND_NULL };
> +
> + g_assert(!is_yank_instance_registered());
> +
> + ret = qmp_chardev_add("chardev", &old_backend, &error_abort);
> + qapi_free_ChardevReturn(ret);
> + chr = qemu_chr_find("chardev");
> + g_assert_nonnull(chr);
> +
> + g_assert(is_yank_instance_registered());
> +
> + qemu_chr_wait_connected(chr, &error_abort);
> + qemu_chr_fe_init(&be, chr, &error_abort);
> + /* allow chardev-change */
> + qemu_chr_fe_set_handlers(&be, NULL, NULL,
> + NULL, chardev_change, NULL, NULL, true);
> +
> + ret = qmp_chardev_change("chardev", &new_backend, &error_abort);
> + g_assert_nonnull(ret);
> + g_assert(be.chr != chr);
> + g_assert(!is_yank_instance_registered());
> +
> + object_unparent(OBJECT(be.chr));
> + object_unref(OBJECT(ioc));
> + qapi_free_ChardevReturn(ret);
> +}
> +
> +static SocketAddress tcpaddr = {
> + .type = SOCKET_ADDRESS_TYPE_INET,
> + .u.inet.host = (char *)"127.0.0.1",
> + .u.inet.port = (char *)"0",
> +};
> +
> +int main(int argc, char **argv)
> +{
> + bool has_ipv4, has_ipv6;
> +
> + qemu_init_main_loop(&error_abort);
> + socket_init();
> +
> + g_test_init(&argc, &argv, NULL);
> +
> + if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) {
> + g_printerr("socket_check_protocol_support() failed\n");
> + goto end;
> + }
> +
> + if (!has_ipv4) {
> + goto end;
> + }
> +
> + module_call_init(MODULE_INIT_QOM);
> + qemu_add_opts(&qemu_chardev_opts);
> +
> + g_test_add_data_func("/yank/char_change_to_yank", &tcpaddr,
> + char_change_to_yank_test);
> + g_test_add_data_func("/yank/char_change_yank_to_yank", &tcpaddr,
> + char_change_yank_to_yank_test);
> + g_test_add_data_func("/yank/char_change_from_yank", &tcpaddr,
> + char_change_from_yank_test);
> +
> +end:
> + return g_test_run();
> +}
> --
> 2.30.2
>
>
--
Marc-André Lureau
