tests: Add an initial weston integration test

The idea here is to make weston load test cases as a module and then
run test cases from within weston.

src/compositor.c

@@ -2630,14 +2630,14 @@ int main(int argc, char *argv[])
 	struct wl_event_loop *loop;
 	struct sigaction segv_action;
 	void *shell_module, *backend_module, *xserver_module;
-	int (*shell_init)(struct weston_compositor *ec);
-	int (*xserver_init)(struct weston_compositor *ec);
+	int (*module_init)(struct weston_compositor *ec);
 	struct weston_compositor
 		*(*backend_init)(struct wl_display *display,
 				 int argc, char *argv[]);
 	int i;
 	char *backend = NULL;
 	char *shell = NULL;
+	char *module = NULL;
 	int32_t idle_time = 300;
 	int32_t xserver;
 	char *socket_name = NULL;
@@ -2657,6 +2657,7 @@ int main(int argc, char *argv[])
 		{ WESTON_OPTION_STRING, "socket", 'S', &socket_name },
 		{ WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
 		{ WESTON_OPTION_BOOLEAN, "xserver", 0, &xserver },
+		{ WESTON_OPTION_STRING, "module", 0, &module },
 	};
 
 	argc = parse_options(core_options,
@@ -2696,17 +2697,10 @@ int main(int argc, char *argv[])
 	parse_config_file(config_file, cs, ARRAY_LENGTH(cs), shell);
 	free(config_file);
 
-	if (!shell)
-		shell = "desktop-shell.so";
-
 	backend_init = load_module(backend, "backend_init", &backend_module);
 	if (!backend_init)
 		exit(EXIT_FAILURE);
 
-	shell_init = load_module(shell, "shell_init", &shell_module);
-	if (!shell_init)
-		exit(EXIT_FAILURE);
-
 	ec = backend_init(display, argc, argv);
 	if (ec == NULL) {
 		fprintf(stderr, "failed to create compositor\n");
@@ -2721,15 +2715,25 @@ int main(int argc, char *argv[])
 	ec->option_idle_time = idle_time;
 	ec->idle_time = idle_time;
 
-	xserver_init = NULL;
+	module_init = NULL;
 	if (xserver)
-		xserver_init = load_module("xserver-launcher.so",
-					   "weston_xserver_init",
-					   &xserver_module);
-	if (xserver_init)
-		xserver_init(ec);
+		module_init = load_module("xserver-launcher.so",
+					  "weston_xserver_init",
+					  &xserver_module);
+	if (module_init && module_init(ec) < 0)
+		exit(EXIT_FAILURE);
 
-	if (shell_init(ec) < 0)
+	if (!shell)
+		shell = "desktop-shell.so";
+	module_init = load_module(shell, "shell_init", &shell_module);
+	if (!module_init || module_init(ec) < 0)
+		exit(EXIT_FAILURE);
+
+
+	module_init = NULL;
+	if (module)
+		module_init = load_module(module, "module_init", NULL);
+	if (module_init && module_init(ec) < 0)
 		exit(EXIT_FAILURE);
 
 	if (wl_display_add_socket(display, socket_name)) {

tests/Makefile.am

@@ -1,12 +1,24 @@
-TESTS = $(check_PROGRAMS)
+TESTS = surface-test.la
 
-check_PROGRAMS = matrix-test
+TESTS_ENVIRONMENT = $(SHELL) $(top_srcdir)/tests/weston-test
 
-noinst_PROGRAMS = setbacklight
+export abs_builddir
 
 AM_CFLAGS = $(GCC_CFLAGS)
 AM_CPPFLAGS = -I$(top_srcdir)/src -DUNIT_TEST $(COMPOSITOR_CFLAGS)
 
+
+check_LTLIBRARIES = $(TESTS)
+
+AM_LDFLAGS = -module -avoid-version -rpath $(libdir)
+
+test_runner_src = test-runner.c test-runner.h
+
+surface_test_la_SOURCES = surface-test.c $(test_runner_src)
+
+
+noinst_PROGRAMS = setbacklight matrix-test
+
 matrix_test_SOURCES =				\
 	matrix-test.c				\
 	$(top_srcdir)/src/matrix.c		\

tests/surface-test.c

@@ -0,0 +1,49 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission.  The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+
+#include "../src/compositor.h"
+#include "test-runner.h"
+
+TEST(surface_transform)
+{
+	struct weston_surface *surface;
+	int32_t x, y;
+
+	surface = weston_surface_create(compositor);
+	weston_surface_configure(surface, 100, 100, 200, 200);
+	weston_surface_update_transform(surface);
+	weston_surface_to_global(surface, 20, 20, &x, &y);
+
+	fprintf(stderr, "20,20 maps to %d, %d\n", x, y);
+	assert(x == 120 && y == 120);
+
+	weston_surface_set_position(surface, 150, 300);
+	weston_surface_update_transform(surface);
+	weston_surface_to_global(surface, 50, 40, &x, &y);
+	assert(x == 200 && y == 340);
+
+	wl_display_terminate(compositor->wl_display);
+}

tests/test-runner.c

@@ -0,0 +1,60 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#define _GNU_SOURCE
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <string.h>
+#include <assert.h>
+
+#include "test-runner.h"
+
+extern const struct test __start_test_section, __stop_test_section;
+
+static void
+run_test(void *data)
+{
+	struct weston_compositor *compositor = data;
+	const struct test *t;
+
+	for (t = &__start_test_section; t < &__stop_test_section; t++)
+		t->run(compositor);
+}
+
+int
+module_init(struct weston_compositor *compositor);
+
+WL_EXPORT int
+module_init(struct weston_compositor *compositor)
+{
+	struct wl_event_loop *loop;
+
+	loop = wl_display_get_event_loop(compositor->wl_display);
+
+	wl_event_loop_add_idle(loop, run_test, compositor);
+
+	return 0;
+}

tests/test-runner.h

@@ -0,0 +1,25 @@
+#ifndef _TEST_RUNNER_H_
+#define _TEST_RUNNER_H_
+
+#ifdef NDEBUG
+#error "Tests must not be built with NDEBUG defined, they rely on assert()."
+#endif
+
+#include "../src/compositor.h"
+
+struct test {
+	const char *name;
+	void (*run)(struct weston_compositor *compositor);
+} __attribute__ ((aligned (16)));
+
+#define TEST(name)						\
+	static void name(struct weston_compositor *compositor);	\
+								\
+	const struct test test##name				\
+		 __attribute__ ((section ("test_section"))) = {	\
+		#name, name					\
+	};							\
+								\
+	static void name(struct weston_compositor *compositor)
+
+#endif

tests/weston-test

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+../src/weston --module=$abs_builddir/.libs/${1/.la/.so}
+