[Spice-devel] [PATCH 1/2] Adding support to automated tests
Alon Levy
alevy at redhat.com
Tue Feb 14 07:34:04 PST 2012
On Fri, Feb 03, 2012 at 02:10:03AM -0200, Fabiano Fidêncio wrote:
> As suggested by Alon, a simple automated test to try to find
> regressions in Spice code.
> To use this, compile Spice with --enable-automated-tests and
> run test_display_streaming passing --automated-tests as parameter.
Hmm, actually calling the parameter "--automated-tests" is surely too
broad, but nm for now.
> ---
> Makefile.am | 2 +-
> configure.ac | 19 +++++
> server/tests/Makefile.am | 4 +
> server/tests/README | 6 ++
> server/tests/regression_test.py | 25 +++++++
> server/tests/test_display_base.c | 119 ++++++++++++++++++++++++++++++--
> server/tests/test_display_base.h | 3 +
> server/tests/test_display_streaming.c | 8 ++-
> 8 files changed, 176 insertions(+), 10 deletions(-)
> create mode 100755 server/tests/regression_test.py
>
> diff --git a/Makefile.am b/Makefile.am
> index f8cfe25..c807359 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -12,4 +12,4 @@ DISTCLEANFILES = \
>
> EXTRA_DIST = spice.proto spice1.proto spice_codegen.py
>
> -DISTCHECK_CONFIGURE_FLAGS=--enable-opengl --enable-gui --enable-tunnel --enable-smartcard --with-sasl
> +DISTCHECK_CONFIGURE_FLAGS=--enable-opengl --enable-gui --enable-tunnel --enable-smartcard --with-sasl --enable-automated-tests
> diff --git a/configure.ac b/configure.ac
> index 0f8ad7d..3166eb3 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -129,6 +129,13 @@ AC_ARG_ENABLE(client,
> AS_IF([test x"$enable_client" != "xno"], [enable_client="yes"])
> AM_CONDITIONAL(SUPPORT_CLIENT, test "x$enable_client" = "xyes")
>
> +AC_ARG_ENABLE(automated_tests,
> +[ --enable-automated-tests Enable automated tests using snappy (part of spice--gtk)],,
> +[enable_automated_tests="no"])
> +AS_IF([test x"$enable_automated_tests" != "xno"], [enable_automated_tests="yes"])
> +AM_CONDITIONAL(SUPPORT_AUTOMATED_TESTS, test "x$enable_automated_tests" != "xno")
> +
> +
> dnl =========================================================================
> dnl Check deps
>
> @@ -372,6 +379,16 @@ AM_CONDITIONAL([HAVE_SASL], [test "x$with_sasl2" = "xyes" || test "x$with_sasl"
> AC_SUBST([SASL_CFLAGS])
> AC_SUBST([SASL_LIBS])
>
> +if test "x$enable_automated_tests" = "xyes"; then
> + AC_MSG_CHECKING([for snappy])
> + snappy --help >/dev/null 2>&1
> + if test $? -ne 0 ; then
> + AC_MSG_RESULT([not found])
> + AC_MSG_ERROR([snappy was not found, this module is part of spice-gtk andis required to compile this package])
> + fi
> + AC_MSG_RESULT([found])
> +fi
> +
> dnl ===========================================================================
> dnl check compiler flags
>
> @@ -550,6 +567,8 @@ echo "
> Smartcard: ${enable_smartcard}
>
> SASL support: ${enable_sasl}
> +
> + Automated tests: ${enable_automated_tests}
> "
>
> if test $os_win32 == "yes" ; then
> diff --git a/server/tests/Makefile.am b/server/tests/Makefile.am
> index 4513322..bc4e00e 100644
> --- a/server/tests/Makefile.am
> +++ b/server/tests/Makefile.am
> @@ -9,6 +9,10 @@ INCLUDES = \
> $(SPICE_NONPKGCONFIG_CFLAGS) \
> $(NULL)
>
> +if SUPPORT_AUTOMATED_TESTS
> +INCLUDES += -DAUTOMATED_TESTS
> +endif
> +
> AM_LDFLAGS = $(top_builddir)/server/libspice-server.la
>
> COMMON_BASE=basic_event_loop.c basic_event_loop.h test_util.h ../../common/backtrace.c
> diff --git a/server/tests/README b/server/tests/README
> index e44251d..2724853 100644
> --- a/server/tests/README
> +++ b/server/tests/README
> @@ -21,3 +21,9 @@ test_fail_on_null_core_interface
>
> basic_event_loop.c
> used by test_just_sockets_no_ssl, can be used by other tests. very crude event loop. Should probably use libevent for better tests, but this is self contained.
> +
> +Automated tests
> +===============
> +
> +test_display_streaming.c
> + this test can be used to check regressions. For this, Spice needs to be compiled with --enable-automated-tests and test_display_streaming needs to be called passing --automated-tests as parameter
> diff --git a/server/tests/regression_test.py b/server/tests/regression_test.py
> new file mode 100755
> index 0000000..e53bf87
> --- /dev/null
> +++ b/server/tests/regression_test.py
> @@ -0,0 +1,25 @@
> +#!/usr/bin/python
> +from subprocess import PIPE, Popen
> +import Image
> +import ImageChops
> +
> +
> +def snappy():
> + cmd = "snappy -h localhost -p 5912 -o output.ppm"
> + p = Popen(cmd, shell=True)
> + p.wait()
> +
> +def verify():
> + base = Image.open("base_test.ppm")
> + output = Image.open("output.ppm")
> + return ImageChops.difference(base, output).getbbox()
> +
> +if __name__ == "__main__":
> + snappy()
> + diff = verify()
> +
> + if diff is None:
> + print("\033[1;32mSUCCESS: No regressions were found!\033[1;m")
> + else:
> + print("\033[1;31mFAIL: Regressions were found!\n\033[1;m"
> + "\033[1;31m Please, take a look in your code and go fix it!\033[1;m")
> diff --git a/server/tests/test_display_base.c b/server/tests/test_display_base.c
> index ef5a543..48f59d2 100644
> --- a/server/tests/test_display_base.c
> +++ b/server/tests/test_display_base.c
> @@ -1,9 +1,14 @@
> +
> #include <config.h>
> #include <stdlib.h>
> #include <math.h>
> #include <string.h>
> #include <stdio.h>
> +#include <unistd.h>
> +#include <signal.h>
> +#include <wait.h>
> #include <sys/select.h>
> +#include <sys/types.h>
> #include <spice/qxl_dev.h>
> #include "test_display_base.h"
> #include "red_channel.h"
> @@ -34,15 +39,53 @@ static void test_spice_destroy_update(SimpleSpiceUpdate *update)
> free(update);
> }
>
> -#define WIDTH 320
> +#define WIDTH 640
> #define HEIGHT 320
>
> -#define SINGLE_PART 8
> +#define SINGLE_PART 4
> static const int angle_parts = 64 / SINGLE_PART;
> static int unique = 1;
> static int color = -1;
> static int c_i = 0;
>
> +/* Used for automated tests */
> +static int control = 3; //used to know when we can take a screenshot
> +static int rects = 16; //number of rects that will be draw
> +static int has_automated_tests = 0; //automated test flag
> +
> +static void sigchld_handler(int signal_num) // wait for the child process and exit
> +{
> + int status;
> + wait(&status);
> + exit(0);
> +}
> +
> +static void regression_test(void)
> +{
> + pid_t pid;
> +
> + if (--rects != 0) {
> + return;
> + }
> +
> + rects = 16;
> +
> + if (--control != 0) {
> + return;
> + }
> +
> + pid = fork();
> + if (pid == 0) {
> + char buf[PATH_MAX];
> + char *envp[] = {buf, NULL};
> +
> + snprintf(buf, sizeof(buf), "PATH=%s", getenv("PATH"));
> + execve("regression_test.py", NULL, envp);
> + } else if (pid > 0) {
> + return;
> + }
> +}
> +
> static void set_cmd(QXLCommandExt *ext, uint32_t type, QXLPHYSICAL data)
> {
> ext->cmd.type = type;
> @@ -107,7 +150,13 @@ static SimpleSpiceUpdate *test_spice_create_update_draw(uint32_t surface_id, int
> if ((t % angle_parts) == 0) {
> c_i++;
> }
> - color = (color + 1) % 2;
> +
> + if(surface_id != 0) {
> + color = (color + 1) % 2;
> + } else {
> + color = surface_id;
> + }
> +
> unique++;
>
> update = calloc(sizeof(*update), 1);
> @@ -116,6 +165,7 @@ static SimpleSpiceUpdate *test_spice_create_update_draw(uint32_t surface_id, int
>
> bw = WIDTH/SINGLE_PART;
> bh = 48;
> +
> bbox.right = bbox.left + bw;
> bbox.bottom = bbox.top + bh;
> update->bitmap = malloc(bw * bh * 4);
> @@ -303,6 +353,7 @@ int cursor_notify = NOTIFY_CURSOR_BATCH;
> #define SURF_WIDTH 320
> #define SURF_HEIGHT 240
> uint8_t secondary_surface[SURF_WIDTH * SURF_HEIGHT * 4];
> +int has_secondary;
>
> // We shall now have a ring of commands, so that we can update
> // it from a separate thread - since get_command is called from
> @@ -354,6 +405,10 @@ static void produce_command(void)
> static int target_surface = 0;
> static int cmd_index = 0;
>
> +
> + if (has_secondary)
> + target_surface = 1;
> +
> ASSERT(num_simple_commands);
>
> switch (simple_commands[cmd_index]) {
> @@ -361,35 +416,50 @@ static void produce_command(void)
> path_progress(&path);
> break;
> case SIMPLE_UPDATE: {
> - QXLRect rect = {.left = 0, .right = WIDTH,
> - .top = 0, .bottom = HEIGHT};
> - qxl_worker->update_area(qxl_worker, 0, &rect, NULL, 0, 1);
> + QXLRect rect = {.left = 0, .right = SURF_WIDTH,
> + .top = 0, .bottom = SURF_HEIGHT};
> + qxl_worker->update_area(qxl_worker, target_surface, &rect, NULL, 0, 1);
> break;
> }
> +
> case SIMPLE_COPY_BITS:
> case SIMPLE_DRAW: {
> SimpleSpiceUpdate *update;
> +
> + if (has_automated_tests)
> + {
> + if (control == 0) {
> + return;
> + }
> +
> + regression_test();
> + }
> +
> switch (simple_commands[cmd_index]) {
> case SIMPLE_COPY_BITS:
> - update = test_spice_create_update_copy_bits(target_surface);
> + update = test_spice_create_update_copy_bits(0);
> break;
> case SIMPLE_DRAW:
> - update = test_spice_create_update_draw(target_surface, path.t);
> + update = test_spice_create_update_draw(0, path.t);
> break;
> }
> push_command(&update->ext);
> break;
> }
> +
> case SIMPLE_CREATE_SURFACE: {
> SimpleSurfaceCmd *update;
> target_surface = MAX_SURFACE_NUM - 1;
> update = create_surface(target_surface, SURF_WIDTH, SURF_HEIGHT,
> secondary_surface);
> push_command(&update->ext);
> + has_secondary = 1;
> break;
> }
> +
> case SIMPLE_DESTROY_SURFACE: {
> SimpleSurfaceCmd *update;
> + has_secondary = 0;
> update = destroy_surface(target_surface);
> target_surface = 0;
> push_command(&update->ext);
> @@ -529,6 +599,8 @@ QXLInterface display_sif = {
> .set_compression_level = set_compression_level,
> .set_mm_time = set_mm_time,
> .get_init_info = get_init_info,
> +
> + /* the callbacks below are called from spice server thread context */
> .get_command = get_command,
> .req_cmd_notification = req_cmd_notification,
> .release_resource = release_resource,
> @@ -572,6 +644,37 @@ SpiceServer* test_init(SpiceCoreInterface *core)
> path_init(&path, 0, angle_parts);
> bzero(primary_surface, sizeof(primary_surface));
> bzero(secondary_surface, sizeof(secondary_surface));
> + has_secondary = 0;
> wakeup_timer = core->timer_add(do_wakeup, NULL);
> return server;
> }
> +
> +void check_automated(int argc, char **argv)
> +{
> + struct sigaction sa;
> +
> + if (argc == 1) {
> + return;
> + }
> +
> + if (argc > 2) {
> + goto invalid_option;
> + }
> +
> + if (strcmp(argv[1], "--automated-tests") != 0) {
> + goto invalid_option;
> + }
> +
> + has_automated_tests = 1;
> +
> + memset(&sa, 0, sizeof sa);
> + sa.sa_handler = &sigchld_handler;
> + sigaction(SIGCHLD, &sa, NULL);
> +
> + return;
> +
> +invalid_option:
> + printf("Invalid option!\n"
> + "Please, check README before run tests!\n" );
> + exit(0);
> +}
> diff --git a/server/tests/test_display_base.h b/server/tests/test_display_base.h
> index ca94057..4aeaf5f 100644
> --- a/server/tests/test_display_base.h
> +++ b/server/tests/test_display_base.h
> @@ -10,6 +10,9 @@ void test_set_simple_command_list(int* commands, int num_commands);
> void test_add_display_interface(SpiceServer *server);
> SpiceServer* test_init(SpiceCoreInterface* core);
>
> +/* Used for automated tests */
> +void check_automated(int argc, char **argv);
> +
> // simple queue for commands
> enum {
> PATH_PROGRESS,
> diff --git a/server/tests/test_display_streaming.c b/server/tests/test_display_streaming.c
> index 025541d..5052991 100644
> --- a/server/tests/test_display_streaming.c
> +++ b/server/tests/test_display_streaming.c
> @@ -10,13 +10,19 @@
> int simple_commands[] = {
> SIMPLE_DRAW,
> SIMPLE_UPDATE,
> + PATH_PROGRESS,
> + SIMPLE_CREATE_SURFACE,
> + SIMPLE_DESTROY_SURFACE,
> };
>
> SpiceCoreInterface *core;
> SpiceServer *server;
>
> -int main(void)
> +int main(int argc, char **argv)
> {
> +#ifdef AUTOMATED_TESTS
> + check_automated(argc, argv);
> +#endif
> core = basic_event_loop_init();
> server = test_init(core);
> spice_server_set_streaming_video(server, SPICE_STREAM_VIDEO_ALL);
> --
> 1.7.9
>
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