rstudio/src/cpp/core/system/Win32SystemTests.cpp at master · pearsonca/rstudio · GitHub

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* Win32SystemTests.cpp

* Unless you have received this program directly from RStudio pursuant

* to the terms of a commercial license agreement with RStudio, then

* this program is licensed to you under the terms of version 3 of the

* GNU Affero General Public License. This program is distributed WITHOUT

* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,

* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the

* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.

#ifdef _WIN32

#include <core/system/System.hpp>

#include <shared_core/FilePath.hpp>

#include <boost/algorithm/string/predicate.hpp>

#define RSTUDIO_NO_TESTTHAT_ALIASES

#include <tests/TestThat.hpp>

namespace rstudio {

namespace core {

namespace system {

namespace tests {

TEST_CASE("Win32SystemTests")

{

SECTION("Test Win7 or Later")

{

CHECK(isWin7OrLater());

}

SECTION("Expand Empty Environment Variable")

{

std::string orig;

std::string result;

Error err = expandEnvironmentVariables(orig, &result);

CHECK(!err);

CHECK(result.empty());

}

SECTION("Expand Bogus Env Variable")

{

std::string orig = "%oncetherewasafakevariable374732%";

std::string result;

Error err = expandEnvironmentVariables(orig, &result);

CHECK(!err);

CHECK_FALSE(result.compare(orig));

}

SECTION("Expand Real Environment Variable")

{

std::string first = "RoadOftenTravelled=";

std::string orig = first + "%path%";

std::string result;

Error err = expandEnvironmentVariables(orig, &result);

CHECK(!err);

CHECK(boost::algorithm::starts_with(result, first));

// assume non-empty path, seems safe

CHECK(result.length() > first.length());

}

SECTION("ComSpec")

{

FilePath command = expandComSpec();

CHECK_FALSE(command.isEmpty());

CHECK(command.exists());

}

SECTION("Windows architecture bitness assumptions")

{

std::string windir;

Error err = expandEnvironmentVariables("%windir%", &windir);

FilePath windirPath(windir);

CHECK(windirPath.exists());

core::FilePath sysWowPath(windir + "\\" + "syswow64");

core::FilePath sys32Path(windir + "\\" + "system32");

CHECK(sys32Path.exists());

CHECK(sysWowPath.exists());

}

SECTION("Correct detection of no child processes")

{

STARTUPINFO si;

PROCESS_INFORMATION pi;

ZeroMemory(&si, sizeof(si));

si.cb = sizeof(si);

ZeroMemory(&pi, sizeof(pi));

std::string cmd = "ping -n 8 www.rstudio.com";

std::vector<char> cmdBuf(cmd.size() + 1, '\0');

cmd.copy(&(cmdBuf[0]), cmd.size());

// Start the child process.

CHECK(CreateProcess(

nullptr, // No module name (use command line)

&(cmdBuf[0]), // Command

nullptr, // Process handle not inheritable

nullptr, // Thread handle not inheritable

FALSE, // Set handle inheritance to FALSE

0, // No creation flags

nullptr, // Use parent's environment block

nullptr, // Use parent's starting directory

&si, // Pointer to STARTUPINFO structure

&pi)); // Pointer to PROCESS_INFORMATION structure

std::vector<SubprocInfo> children = getSubprocesses(pi.dwProcessId);

CHECK(children.empty());

CHECK(TerminateProcess(pi.hProcess, 1));

WaitForSingleObject(pi.hProcess, INFINITE);

CloseHandle(pi.hProcess);

CloseHandle(pi.hThread);

}

SECTION("Correct detection of child processes")

{

STARTUPINFO si;

PROCESS_INFORMATION pi;

ZeroMemory(&si, sizeof(si));

si.cb = sizeof(si);

ZeroMemory(&pi, sizeof(pi));

std::string cmd = "cmd.exe /S /C \"ping -n 8 www.rstudio.com\" 1> nul";

std::vector<char> cmdBuf(cmd.size() + 1, '\0');

cmd.copy(&(cmdBuf[0]), cmd.size());

// Start the child process.

CHECK(CreateProcess(

nullptr, // No module name (use command line)

&(cmdBuf[0]), // Command

nullptr, // Process handle not inheritable

nullptr, // Thread handle not inheritable

FALSE, // Set handle inheritance to FALSE

0, // No creation flags

nullptr, // Use parent's environment block

nullptr, // Use parent's starting directory

&si, // Pointer to STARTUPINFO structure

&pi)); // Pointer to PROCESS_INFORMATION structure

::Sleep(100); // give child time to start

std::string exe = "PING.EXE";

std::vector<SubprocInfo> children = getSubprocesses(pi.dwProcessId);

CHECK(children.size() >= 1);

if (children.size() >= 1)

{

bool found = false;

for (SubprocInfo info : children)

{

if (info.exe.compare(exe) == 0)

{

found = true;

break;

}

CHECK(found);

}

CHECK(TerminateProcess(pi.hProcess, 1));

WaitForSingleObject(pi.hProcess, INFINITE);

CloseHandle(pi.hProcess);

CloseHandle(pi.hThread);

}

SECTION("Determine current-working-directory of another process")

{

FilePath emptyPath;

FilePath startingDir = FilePath::safeCurrentPath(emptyPath);

STARTUPINFO si;

PROCESS_INFORMATION pi;

ZeroMemory(&si, sizeof(si));

si.cb = sizeof(si);

ZeroMemory(&pi, sizeof(pi));

std::string cmd = "cmd.exe /S /C \"ping -n 8 www.rstudio.com\" 1> nul";

std::vector<char> cmdBuf(cmd.size() + 1, '\0');

cmd.copy(&(cmdBuf[0]), cmd.size());

// Start the child process.

CHECK(CreateProcess(

nullptr, // No module name (use command line)

&(cmdBuf[0]), // Command

nullptr, // Process handle not inheritable

nullptr, // Thread handle not inheritable

FALSE, // Set handle inheritance to FALSE

0, // No creation flags

nullptr, // Use parent's environment block

nullptr, // Use parent's starting directory

&si, // Pointer to STARTUPINFO structure

&pi)); // Pointer to PROCESS_INFORMATION structure

::Sleep(100); // give child time to start

FilePath cwd = currentWorkingDir(pi.dwProcessId);

// API is not implemented on Windows and should always return an empty

// FilePath. See currentWorkingDir in Win32System.cpp for more info.

CHECK(cwd.isEmpty());

TerminateProcess(pi.hProcess, 1);

WaitForSingleObject(pi.hProcess, INFINITE);

CloseHandle(pi.hProcess);

CloseHandle(pi.hThread);

}

SECTION("Empty subproc list when no child processes")

{

STARTUPINFO si;

PROCESS_INFORMATION pi;

ZeroMemory(&si, sizeof(si));

si.cb = sizeof(si);

ZeroMemory(&pi, sizeof(pi));

std::string cmd = "ping -n 8 www.rstudio.com";

std::vector<char> cmdBuf(cmd.size() + 1, '\0');

cmd.copy(&(cmdBuf[0]), cmd.size());

// Start the child process.

CHECK(CreateProcess(

nullptr, // No module name (use command line)

&(cmdBuf[0]), // Command

nullptr, // Process handle not inheritable

nullptr, // Thread handle not inheritable

FALSE, // Set handle inheritance to FALSE

0, // No creation flags

nullptr, // Use parent's environment block

nullptr, // Use parent's starting directory

&si, // Pointer to STARTUPINFO structure

&pi)); // Pointer to PROCESS_INFORMATION structure

std::vector<SubprocInfo> children = getSubprocesses(pi.dwProcessId);

CHECK(children.empty());

CHECK(TerminateProcess(pi.hProcess, 1));

WaitForSingleObject(pi.hProcess, INFINITE);

CloseHandle(pi.hProcess);

CloseHandle(pi.hThread);

}

} // end namespace tests

} // end namespace system

} // end namespace core

} // end namespace rstudio

#endif // _WIN32

rstudio/src/cpp/core/system/Win32SystemTests.cpp at master · pearsonca/rstudio · GitHub

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