Commit 905ab53c authored by Matthias Clasen's avatar Matthias Clasen

Add a test framework for CSS styles

This uses the same function for dumping CSS nodes and styles
as the CSS node test. It can be used to test aspects of inheritance
and matching, as well as initial values.

No actual tests yet.
parent 864693e5
......@@ -1895,6 +1895,7 @@ testsuite/a11y/state/Makefile
testsuite/css/Makefile
testsuite/css/parser/Makefile
testsuite/css/nodes/Makefile
testsuite/css/style/Makefile
testsuite/gdk/Makefile
testsuite/gtk/Makefile
testsuite/reftests/Makefile
......
......@@ -2,7 +2,7 @@ include $(top_srcdir)/Makefile.decl
NULL =
SUBDIRS = parser nodes
SUBDIRS = parser nodes style
check_PROGRAMS = $(TEST_PROGS)
test_in_files =
......
include $(top_srcdir)/Makefile.decl
NULL =
CLEANFILES =
TEST_PROGS += test-css-style
test_in_files = test-css-style.test.in
check_PROGRAMS = $(TEST_PROGS)
test_css_style_CFLAGS = \
-I$(top_srcdir) \
-I$(top_builddir)/gdk \
-I$(top_srcdir)/gdk \
$(GTK_DEBUG_FLAGS) \
$(GTK_DEP_CFLAGS)
test_css_style_LDADD = \
$(top_builddir)/gdk/libgdk-3.la \
$(top_builddir)/gtk/libgtk-3.la \
$(GTK_DEP_LIBS)
test_css_style_SOURCES = \
test-css-style.c
test_data = \
$(NULL)
EXTRA_DIST += $(test_in_files) $(test_data)
if BUILDOPT_INSTALL_TESTS
insttestdir=$(libexecdir)/installed-tests/$(PACKAGE)/css/style
insttest_PROGRAMS = $(TEST_PROGS)
insttest_DATA = $(test_data)
substitutions = \
-e s,@libexecdir\@,$(libexecdir),g \
$(NULL)
test_files = $(test_in_files:.test.in=.test)
$(test_files): %.test: %.test.in
$(AM_V_GEN) sed $(substitutions) $< > $@.tmp && mv $@.tmp $@
EXTRA_DIST += $(test_files)
CLEANFILES += $(test_files)
testmetadir = $(datadir)/installed-tests/$(PACKAGE)/css/style
testmeta_DATA = $(test_files)
endif
-include $(top_srcdir)/git.mk
/*
* Copyright (C) 2015 Red Hat Inc.
*
* Author:
* Matthias Clasen <mclasen@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
/* There shall be no other styles */
#define GTK_STYLE_PROVIDER_PRIORITY_FORCE G_MAXUINT
char *
test_get_other_file (const char *ui_file, const char *extension)
{
GString *file = g_string_new (NULL);
if (g_str_has_suffix (ui_file, ".ui"))
g_string_append_len (file, ui_file, strlen (ui_file) - strlen (".ui"));
else
g_string_append (file, ui_file);
g_string_append (file, extension);
if (!g_file_test (file->str, G_FILE_TEST_EXISTS))
{
g_string_free (file, TRUE);
return NULL;
}
return g_string_free (file, FALSE);
}
static char *
diff_with_file (const char *file1,
char *text,
gssize len,
GError **error)
{
const char *command[] = { "diff", "-u", file1, NULL, NULL };
char *diff, *tmpfile;
int fd;
diff = NULL;
if (len < 0)
len = strlen (text);
/* write the text buffer to a temporary file */
fd = g_file_open_tmp (NULL, &tmpfile, error);
if (fd < 0)
return NULL;
if (write (fd, text, len) != (int) len)
{
close (fd);
g_set_error (error,
G_FILE_ERROR, G_FILE_ERROR_FAILED,
"Could not write data to temporary file '%s'", tmpfile);
goto done;
}
close (fd);
command[3] = tmpfile;
/* run diff command */
g_spawn_sync (NULL,
(char **) command,
NULL,
G_SPAWN_SEARCH_PATH,
NULL, NULL,
&diff,
NULL, NULL,
error);
done:
g_unlink (tmpfile);
g_free (tmpfile);
return diff;
}
static void
load_ui_file (GFile *file, gboolean generate)
{
GtkBuilder *builder;
GtkWidget *window;
GtkStyleContext *context;
char *output, *diff;
char *ui_file, *css_file, *reference_file;
GtkCssProvider *provider;
GError *error = NULL;
ui_file = g_file_get_path (file);
css_file = test_get_other_file (ui_file, ".css");
g_assert (css_file != NULL);
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_path (provider, css_file, &error);
g_assert_no_error (error);
gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_FORCE);
builder = gtk_builder_new_from_file (ui_file);
window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
g_assert (window != NULL);
context = gtk_widget_get_style_context (window);
output = gtk_style_context_to_string (context, GTK_STYLE_CONTEXT_PRINT_RECURSE |
GTK_STYLE_CONTEXT_PRINT_SHOW_STYLE);
if (generate)
{
g_print ("%s", output);
goto out;
}
reference_file = test_get_other_file (ui_file, ".nodes");
diff = diff_with_file (reference_file, output, -1, &error);
g_assert_no_error (error);
if (diff && diff[0])
{
g_test_message ("Resulting output doesn't match reference:\n%s", diff);
g_test_fail ();
}
g_free (reference_file);
g_free (diff);
out:
gtk_style_context_remove_provider_for_screen (gdk_screen_get_default (),
GTK_STYLE_PROVIDER (provider));
g_object_unref (provider);
g_free (output);
g_free (ui_file);
g_free (css_file);
}
static void
test_ui_file (GFile *file)
{
load_ui_file (file, FALSE);
}
static void
add_test_for_file (GFile *file)
{
char *path;
path = g_file_get_path (file);
g_test_add_vtable (path,
0,
g_object_ref (file),
NULL,
(GTestFixtureFunc) test_ui_file,
(GTestFixtureFunc) g_object_unref);
g_free (path);
}
static int
compare_files (gconstpointer a, gconstpointer b)
{
GFile *file1 = G_FILE (a);
GFile *file2 = G_FILE (b);
char *path1, *path2;
int result;
path1 = g_file_get_path (file1);
path2 = g_file_get_path (file2);
result = strcmp (path1, path2);
g_free (path1);
g_free (path2);
return result;
}
static void
add_tests_for_files_in_directory (GFile *dir)
{
GFileEnumerator *enumerator;
GFileInfo *info;
GList *files;
GError *error = NULL;
enumerator = g_file_enumerate_children (dir, G_FILE_ATTRIBUTE_STANDARD_NAME, 0, NULL, &error);
g_assert_no_error (error);
files = NULL;
while ((info = g_file_enumerator_next_file (enumerator, NULL, &error)))
{
const char *filename;
filename = g_file_info_get_name (info);
if (!g_str_has_suffix (filename, ".ui") ||
g_str_has_suffix (filename, ".nodes"))
{
g_object_unref (info);
continue;
}
files = g_list_prepend (files, g_file_get_child (dir, filename));
g_object_unref (info);
}
g_assert_no_error (error);
g_object_unref (enumerator);
files = g_list_sort (files, compare_files);
g_list_foreach (files, (GFunc) add_test_for_file, NULL);
g_list_free_full (files, g_object_unref);
}
int
main (int argc, char **argv)
{
g_setenv ("GTK_CSS_DEBUG", "1", TRUE);
gtk_test_init (&argc, &argv);
g_object_set (gtk_settings_get_default (),
"gtk-font-name", "Sans",
NULL);
if (argc < 2)
{
const char *basedir;
GFile *dir;
basedir = g_test_get_dir (G_TEST_DIST);
dir = g_file_new_for_path (basedir);
add_tests_for_files_in_directory (dir);
g_object_unref (dir);
}
else if (strcmp (argv[1], "--generate") == 0)
{
if (argc >= 3)
{
GFile *file = g_file_new_for_commandline_arg (argv[2]);
load_ui_file (file, TRUE);
g_object_unref (file);
}
}
else
{
guint i;
for (i = 1; i < argc; i++)
{
GFile *file = g_file_new_for_commandline_arg (argv[i]);
add_test_for_file (file);
g_object_unref (file);
}
}
return g_test_run ();
}
[Test]
Exec=/bin/sh -c "cd @libexecdir@/installed-tests/gtk+/css/style && @libexecdir@/installed-tests/gtk+/css/style/test-css-style
Type=session
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