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/*
* Copyright (C) 2012 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2,1 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; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "TestMain.h"
#include "WebViewTest.h"
// The libatspi headers don't use G_BEGIN_DECLS
extern "C" {
#include <atspi/atspi.h>
}
#include <errno.h>
#include <fcntl.h>
#include <glib.h>
#include <signal.h>
#include <unistd.h>
#include <wtf/PassRefPtr.h>
#include <wtf/glib/GRefPtr.h>
#include <wtf/glib/GUniquePtr.h>
// Name of the test server application creating the webView object.
static const char* kTestServerAppName = "AccessibilityTestServer";
// Max seconds to wait for the test server before inspecting it.
static const int kMaxWaitForChild = 5;
// The PID for the test server running, so we can kill it if needed.
static GPid kChildProcessPid = 0;
// Whether the child has replied and it's ready.
static bool kChildIsReady = false;
static void stopTestServer()
{
// Do nothing if there's no server running.
if (!kChildProcessPid)
return;
g_spawn_close_pid(kChildProcessPid);
kill(kChildProcessPid, SIGTERM);
kChildProcessPid = 0;
}
static void sigAbortHandler(int sigNum)
{
// Just stop the test server if SIGABRT was received.
stopTestServer();
}
static gpointer testServerMonitorThreadFunc(gpointer)
{
// Wait for the specified timeout to happen.
g_usleep(kMaxWaitForChild * G_USEC_PER_SEC);
// Kill the child process if not ready yet.
if (!kChildIsReady)
stopTestServer();
g_thread_exit(0);
return 0;
}
static void startTestServerMonitor()
{
kChildIsReady = false;
g_thread_new("TestServerMonitor", testServerMonitorThreadFunc, 0);
}
static void startTestServer()
{
// Prepare argv[] for spawning the server process.
GUniquePtr<char> testServerPath(g_build_filename(WEBKIT_EXEC_PATH, "TestWebKitAPI", "WebKit2Gtk", kTestServerAppName, nullptr));
char* testServerArgv[2];
testServerArgv[0] = testServerPath.get();
testServerArgv[1] = 0;
// Spawn the server, getting its stdout file descriptor to set a
// communication channel, so we know when it's ready.
int childStdout = 0;
if (!g_spawn_async_with_pipes(0, testServerArgv, 0, static_cast<GSpawnFlags>(0), 0, 0, &kChildProcessPid, 0, &childStdout, 0, 0)) {
close(childStdout);
return;
}
// Start monitoring the test server (in a separate thread) to
// ensure we don't block on the child process more than a timeout.
startTestServerMonitor();
char msg[2];
GIOChannel* ioChannel = g_io_channel_unix_new(childStdout);
if (g_io_channel_read_chars(ioChannel, msg, 2, 0, 0) == G_IO_STATUS_NORMAL) {
// Check whether the server sent a message saying it's ready
// and store the result globally, so the monitor can see it.
kChildIsReady = msg[0] == 'O' && msg[1] == 'K';
}
g_io_channel_unref(ioChannel);
close(childStdout);
// The timeout was reached and the server is not ready yet, so
// stop it inmediately, and let the unit tests fail.
if (!kChildIsReady)
stopTestServer();
}
static void checkAtspiAccessible(AtspiAccessible* accessible, const char* targetName, AtspiRole targetRole)
{
g_assert(ATSPI_IS_ACCESSIBLE(accessible));
GUniquePtr<char> name(atspi_accessible_get_name(accessible, 0));
g_assert_cmpstr(targetName, ==, name.get());
g_assert_cmpint(targetRole, ==, atspi_accessible_get_role(accessible, 0));
}
static GRefPtr<AtspiAccessible> findTestServerApplication()
{
// Only one desktop is supported by ATSPI at the moment.
GRefPtr<AtspiAccessible> desktop = adoptGRef(atspi_get_desktop(0));
// Look for the server application in the list of apps.
GRefPtr<AtspiAccessible> current;
int childCount = atspi_accessible_get_child_count(desktop.get(), 0);
for (int i = 0; i < childCount; i++) {
current = adoptGRef(atspi_accessible_get_child_at_index(desktop.get(), i, 0));
if (!g_strcmp0(atspi_accessible_get_name(current.get(), 0), kTestServerAppName))
return current;
}
return 0;
}
static void testAtspiBasicHierarchy(WebViewTest* test, gconstpointer)
{
// The test server's accessibility object (UI Process).
GRefPtr<AtspiAccessible> testServerApp = findTestServerApplication();
g_assert(ATSPI_IS_ACCESSIBLE(testServerApp.get()));
checkAtspiAccessible(testServerApp.get(), "AccessibilityTestServer", ATSPI_ROLE_APPLICATION);
// The main window's accessibility object (UI Process).
GRefPtr<AtspiAccessible> currentParent = testServerApp;
GRefPtr<AtspiAccessible> currentChild = adoptGRef(atspi_accessible_get_child_at_index(currentParent.get(), 0, 0));
g_assert(ATSPI_IS_ACCESSIBLE(currentChild.get()));
checkAtspiAccessible(currentChild.get(), "", ATSPI_ROLE_FRAME);
// The WebView's accessibility object (UI Process).
currentParent = currentChild;
currentChild = atspi_accessible_get_child_at_index(currentParent.get(), 0, 0);
g_assert(ATSPI_IS_ACCESSIBLE(currentChild.get()));
checkAtspiAccessible(currentChild.get(), "", ATSPI_ROLE_FILLER);
// The WebPage's accessibility object (Web Process).
currentParent = currentChild;
currentChild = atspi_accessible_get_child_at_index(currentParent.get(), 0, 0);
g_assert(ATSPI_IS_ACCESSIBLE(currentChild.get()));
checkAtspiAccessible(currentChild.get(), "", ATSPI_ROLE_FILLER);
// HTML root element's accessible element (Web Process).
currentParent = currentChild;
currentChild = atspi_accessible_get_child_at_index(currentParent.get(), 0, 0);
g_assert(ATSPI_IS_ACCESSIBLE(currentChild.get()));
// HTML body's accessible element (Web Process).
currentParent = currentChild;
currentChild = atspi_accessible_get_child_at_index(currentParent.get(), 0, 0);
g_assert(ATSPI_IS_ACCESSIBLE(currentChild.get()));
checkAtspiAccessible(currentChild.get(), "", ATSPI_ROLE_DOCUMENT_WEB);
// HTML H1's accessible element (Web Process).
currentParent = currentChild;
currentChild = atspi_accessible_get_child_at_index(currentParent.get(), 0, 0);
g_assert(ATSPI_IS_ACCESSIBLE(currentChild.get()));
checkAtspiAccessible(currentChild.get(), "This is a test", ATSPI_ROLE_HEADING);
// HTML first paragraph's accessible element (Web Process).
currentChild = atspi_accessible_get_child_at_index(currentParent.get(), 1, 0);
g_assert(ATSPI_IS_ACCESSIBLE(currentChild.get()));
checkAtspiAccessible(currentChild.get(), "", ATSPI_ROLE_PARAGRAPH);
// HTML second paragraph's accessible element (Web Process).
currentChild = atspi_accessible_get_child_at_index(currentParent.get(), 2, 0);
g_assert(ATSPI_IS_ACCESSIBLE(currentChild.get()));
checkAtspiAccessible(currentChild.get(), "", ATSPI_ROLE_PARAGRAPH);
// HTML link's accessible element (Web Process).
currentParent = currentChild;
currentChild = atspi_accessible_get_child_at_index(currentParent.get(), 0, 0);
g_assert(ATSPI_IS_ACCESSIBLE(currentChild.get()));
checkAtspiAccessible(currentChild.get(), "a link", ATSPI_ROLE_LINK);
}
void beforeAll()
{
// We install a handler to ensure that we kill the child process
// if the parent dies because of whatever the reason is.
signal(SIGABRT, sigAbortHandler);
// Start the accessibility test server and load the tests.
startTestServer();
WebViewTest::add("WebKitAccessibility", "atspi-basic-hierarchy", testAtspiBasicHierarchy);
}
void afterAll()
{
// Ensure we stop the server.
stopTestServer();
}
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