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/*******************************************************************************
*
* X testing environment - Google Test environment feat. dummy x server
*
* Copyright (C) 2011, 2012 Canonical Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
******************************************************************************/
#include "xorg/gtest/environment.h"
#include "xorg/gtest/process.h"
#include "defines.h"
#include <sys/types.h>
#include <unistd.h>
#include <cerrno>
#include <csignal>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <stdexcept>
#include <X11/Xlib.h>
struct xorg::testing::Environment::Private {
Private()
: path_to_conf(DUMMY_CONF_PATH), path_to_log_file(DEFAULT_XORG_LOGFILE),
path_to_server(DEFAULT_XORG_SERVER), display(DEFAULT_DISPLAY) {
}
std::string path_to_conf;
std::string path_to_log_file;
std::string path_to_server;
int display;
Process process;
};
xorg::testing::Environment::Environment()
: d_(new Private) {
}
xorg::testing::Environment::~Environment() {}
void xorg::testing::Environment::set_log_file(const std::string& path_to_log_file)
{
d_->path_to_log_file = path_to_log_file;
}
const std::string& xorg::testing::Environment::log_file() const
{
return d_->path_to_log_file;
}
void xorg::testing::Environment::set_conf_file(const std::string& path_conf_file)
{
d_->path_to_conf = path_conf_file;
}
const std::string& xorg::testing::Environment::conf_file() const
{
return d_->path_to_conf;
}
void xorg::testing::Environment::set_server(const std::string& path_to_server)
{
d_->path_to_server = path_to_server;
}
const std::string& xorg::testing::Environment::server() const
{
return d_->path_to_server;
}
void xorg::testing::Environment::set_display(int display_num)
{
d_->display = display_num;
}
int xorg::testing::Environment::display() const
{
return d_->display;
}
void xorg::testing::Environment::SetUp() {
static char display_string[6];
snprintf(display_string, 6, ":%d", d_->display);
d_->process.Start(d_->path_to_server, d_->path_to_server.c_str(),
display_string,
"-logfile", d_->path_to_log_file.c_str(),
"-config", d_->path_to_conf.c_str(),
NULL);
Process::SetEnv("DISPLAY", display_string, true);
for (int i = 0; i < 10; ++i) {
Display* test_display = XOpenDisplay(NULL);
if (test_display) {
XCloseDisplay(test_display);
return;
}
int status;
int pid = waitpid(d_->process.Pid(), &status, WNOHANG);
if (pid == d_->process.Pid())
throw std::runtime_error("Dummy X server failed to start, did you run as "
"root?");
else if (pid == 0)
sleep(1); /* Give the dummy X server some time to start */
else if (pid == -1)
throw std::runtime_error("Could not get status of dummy X server "
"process");
else
throw std::runtime_error("Invalid child PID returned by Process::Wait()");
}
throw std::runtime_error("Unable to open connection to dummy X server");
}
void xorg::testing::Environment::TearDown() {
if (!d_->process.Terminate()) {
std::cerr << "Warning: Failed to terminate dummy Xorg server: "
<< std::strerror(errno) << "\n";
if (!d_->process.Kill())
std::cerr << "Warning: Failed to kill dummy Xorg server: "
<< std::strerror(errno) << "\n";
}
}
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