[apt.git] / test / libapt / fileutl_test.cc

#include <config.h>

#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/aptconfiguration.h>

#include <string>
#include <vector>
#include <stdlib.h>
#include <string.h>

#include <gtest/gtest.h>

#include "file-helpers.h"

static void TestFileFd(mode_t const a_umask, mode_t const ExpectedFilePermission,
      unsigned int const filemode, APT::Configuration::Compressor const &compressor)
{
   std::string trace;
   strprintf(trace, "TestFileFd: Compressor: %s umask: %#o permission: %#o mode: %d", compressor.Name.c_str(), a_umask, ExpectedFilePermission, filemode);
   SCOPED_TRACE(trace);

   static const char* fname = "apt-filefd-test.txt";
   if (FileExists(fname) == true)
      EXPECT_EQ(0, unlink(fname));

   FileFd f;
   umask(a_umask);
   EXPECT_TRUE(f.Open(fname, filemode, compressor));
   EXPECT_TRUE(f.IsOpen());
   EXPECT_FALSE(f.Failed());
   EXPECT_EQ(umask(a_umask), a_umask);

   std::string test = "This is a test!\n";
   EXPECT_TRUE(f.Write(test.c_str(), test.size()));
   EXPECT_TRUE(f.IsOpen());
   EXPECT_FALSE(f.Failed());

   f.Close();
   EXPECT_FALSE(f.IsOpen());
   EXPECT_FALSE(f.Failed());

   EXPECT_TRUE(f.Open(fname, FileFd::ReadOnly, compressor));
   EXPECT_TRUE(f.IsOpen());
   EXPECT_FALSE(f.Failed());
   EXPECT_FALSE(f.Eof());
   EXPECT_NE(0, f.FileSize());
   EXPECT_FALSE(f.Failed());
   EXPECT_NE(0, f.ModificationTime());
   EXPECT_FALSE(f.Failed());

   // ensure the memory is as predictably messed up
#define APT_INIT_READBACK \
   char readback[20]; \
   memset(readback, 'D', sizeof(readback)*sizeof(readback[0])); \
   readback[19] = '\0';
#define EXPECT_N_STR(expect, actual) \
   EXPECT_EQ(0, strncmp(expect, actual, strlen(expect)));
   {
      APT_INIT_READBACK
      char const * const expect = "DDDDDDDDDDDDDDDDDDD";
      EXPECT_STREQ(expect,readback);
      EXPECT_N_STR(expect, readback);
   }
   {
      APT_INIT_READBACK
      char const * const expect = "This";
      EXPECT_TRUE(f.Read(readback, strlen(expect)));
      EXPECT_FALSE(f.Failed());
      EXPECT_FALSE(f.Eof());
      EXPECT_N_STR(expect, readback);
      EXPECT_EQ(strlen(expect), f.Tell());
   }
   {
      APT_INIT_READBACK
      char const * const expect = "test!\n";
      EXPECT_TRUE(f.Skip((test.size() - f.Tell()) - strlen(expect)));
      EXPECT_TRUE(f.Read(readback, strlen(expect)));
      EXPECT_FALSE(f.Failed());
      EXPECT_FALSE(f.Eof());
      EXPECT_N_STR(expect, readback);
      EXPECT_EQ(test.size(), f.Tell());
   }
   {
      APT_INIT_READBACK
      EXPECT_TRUE(f.Seek(0));
      EXPECT_FALSE(f.Eof());
      EXPECT_TRUE(f.Read(readback, 20, true));
      EXPECT_FALSE(f.Failed());
      EXPECT_TRUE(f.Eof());
      EXPECT_N_STR(test.c_str(), readback);
      EXPECT_EQ(f.Size(), f.Tell());
   }
   {
      APT_INIT_READBACK
      EXPECT_TRUE(f.Seek(0));
      EXPECT_FALSE(f.Eof());
      EXPECT_TRUE(f.Read(readback, test.size(), true));
      EXPECT_FALSE(f.Failed());
      EXPECT_FALSE(f.Eof());
      EXPECT_N_STR(test.c_str(), readback);
      EXPECT_EQ(f.Size(), f.Tell());
   }
   {
      APT_INIT_READBACK
      EXPECT_TRUE(f.Seek(0));
      EXPECT_FALSE(f.Eof());
      unsigned long long actual;
      EXPECT_TRUE(f.Read(readback, 20, &actual));
      EXPECT_FALSE(f.Failed());
      EXPECT_TRUE(f.Eof());
      EXPECT_EQ(test.size(), actual);
      EXPECT_N_STR(test.c_str(), readback);
      EXPECT_EQ(f.Size(), f.Tell());
   }
   {
      APT_INIT_READBACK
      EXPECT_TRUE(f.Seek(0));
      EXPECT_FALSE(f.Eof());
      f.ReadLine(readback, 20);
      EXPECT_FALSE(f.Failed());
      EXPECT_FALSE(f.Eof());
      EXPECT_EQ(test, readback);
      EXPECT_EQ(f.Size(), f.Tell());
   }
   {
      APT_INIT_READBACK
      EXPECT_TRUE(f.Seek(0));
      EXPECT_FALSE(f.Eof());
      char const * const expect = "This";
      f.ReadLine(readback, strlen(expect) + 1);
      EXPECT_FALSE(f.Failed());
      EXPECT_FALSE(f.Eof());
      EXPECT_N_STR(expect, readback);
      EXPECT_EQ(strlen(expect), f.Tell());
   }
#undef APT_INIT_READBACK

   f.Close();
   EXPECT_FALSE(f.IsOpen());
   EXPECT_FALSE(f.Failed());

   // regression test for permission bug LP: #1304657
   struct stat buf;
   EXPECT_EQ(0, stat(fname, &buf));
   EXPECT_EQ(0, unlink(fname));
   EXPECT_EQ(ExpectedFilePermission, buf.st_mode & 0777);
}

static void TestFileFd(unsigned int const filemode)
{
   std::vector<APT::Configuration::Compressor> compressors = APT::Configuration::getCompressors();

   // testing the (un)compress via pipe, as the 'real' compressors are usually built in via libraries
   compressors.push_back(APT::Configuration::Compressor("rev", ".reversed", "rev", NULL, NULL, 42));
   //compressors.push_back(APT::Configuration::Compressor("cat", ".ident", "cat", NULL, NULL, 42));

   for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin(); c != compressors.end(); ++c)
   {
      if ((filemode & FileFd::ReadWrite) == FileFd::ReadWrite &&
	    (c->Name.empty() != true && c->Binary.empty() != true))
	 continue;
      TestFileFd(0002, 0664, filemode, *c);
      TestFileFd(0022, 0644, filemode, *c);
      TestFileFd(0077, 0600, filemode, *c);
      TestFileFd(0026, 0640, filemode, *c);
   }
}

TEST(FileUtlTest, FileFD)
{
   std::string const startdir = SafeGetCWD();
   EXPECT_FALSE(startdir.empty());
   std::string tempdir;
   createTemporaryDirectory("filefd", tempdir);
   EXPECT_EQ(0, chdir(tempdir.c_str()));

   TestFileFd(FileFd::WriteOnly | FileFd::Create);
   TestFileFd(FileFd::WriteOnly | FileFd::Create | FileFd::Empty);
   TestFileFd(FileFd::WriteOnly | FileFd::Create | FileFd::Exclusive);
   TestFileFd(FileFd::WriteOnly | FileFd::Atomic);
   TestFileFd(FileFd::WriteOnly | FileFd::Create | FileFd::Atomic);
   // short-hands for ReadWrite with these modes
   TestFileFd(FileFd::WriteEmpty);
   TestFileFd(FileFd::WriteAny);
   TestFileFd(FileFd::WriteTemp);
   TestFileFd(FileFd::WriteAtomic);

   EXPECT_EQ(0, chdir(startdir.c_str()));
   removeDirectory(tempdir);
}
TEST(FileUtlTest, Glob)
{
   std::vector<std::string> files;
   // normal match
   files = Glob("*akefile");
   EXPECT_EQ(1, files.size());

   // not there
   files = Glob("xxxyyyzzz");
   EXPECT_TRUE(files.empty());
   EXPECT_FALSE(_error->PendingError());

   // many matches (number is a bit random)
   files = Glob("*.cc");
   EXPECT_LT(10, files.size());
}
TEST(FileUtlTest, GetTempDir)
{
   char const * const envtmp = getenv("TMPDIR");
   std::string old_tmpdir;
   if (envtmp != NULL)
      old_tmpdir = envtmp;

   unsetenv("TMPDIR");
   EXPECT_EQ("/tmp", GetTempDir());

   setenv("TMPDIR", "", 1);
   EXPECT_EQ("/tmp", GetTempDir());

   setenv("TMPDIR", "/not-there-no-really-not", 1);
   EXPECT_EQ("/tmp", GetTempDir());

   // here but not accessible for non-roots
   setenv("TMPDIR", "/usr", 1);
   EXPECT_EQ("/tmp", GetTempDir());

   // files are no good for tmpdirs, too
   setenv("TMPDIR", "/dev/null", 1);
   EXPECT_EQ("/tmp", GetTempDir());

   setenv("TMPDIR", "/var/tmp", 1);
   EXPECT_EQ("/var/tmp", GetTempDir());

   unsetenv("TMPDIR");
   if (old_tmpdir.empty() == false)
      setenv("TMPDIR", old_tmpdir.c_str(), 1);
}
TEST(FileUtlTest, Popen)
{
   FileFd Fd;
   pid_t Child;
   char buf[1024];
   std::string s;
   unsigned long long n = 0;
   std::vector<std::string> OpenFds;

   // count Fds to ensure we don't have a resource leak
   if(FileExists("/proc/self/fd"))
      OpenFds = Glob("/proc/self/fd/*");

   // output something
   const char* Args[10] = {"/bin/echo", "meepmeep", NULL};
   EXPECT_TRUE(Popen(Args, Fd, Child, FileFd::ReadOnly));
   EXPECT_TRUE(Fd.Read(buf, sizeof(buf)-1, &n));
   buf[n] = 0;
   EXPECT_NE(n, 0);
   EXPECT_STREQ(buf, "meepmeep\n");

   // wait for the child to exit and cleanup
   EXPECT_TRUE(ExecWait(Child, "PopenRead"));
   EXPECT_TRUE(Fd.Close());

   // ensure that after a close all is good again
   if(FileExists("/proc/self/fd"))
      EXPECT_EQ(Glob("/proc/self/fd/*").size(), OpenFds.size());

   // ReadWrite is not supported
   _error->PushToStack();
   EXPECT_FALSE(Popen(Args, Fd, Child, FileFd::ReadWrite));
   EXPECT_FALSE(Fd.IsOpen());
   EXPECT_FALSE(Fd.Failed());
   EXPECT_TRUE(_error->PendingError());
   _error->RevertToStack();

   // write something
   Args[0] = "/bin/bash";
   Args[1] = "-c";
   Args[2] = "read";
   Args[3] = NULL;
   EXPECT_TRUE(Popen(Args, Fd, Child, FileFd::WriteOnly));
   s = "\n";
   EXPECT_TRUE(Fd.Write(s.c_str(), s.length()));
   EXPECT_TRUE(Fd.Close());
   EXPECT_FALSE(Fd.IsOpen());
   EXPECT_FALSE(Fd.Failed());
   EXPECT_TRUE(ExecWait(Child, "PopenWrite"));
}
TEST(FileUtlTest, flAbsPath)
{
   std::string cwd = SafeGetCWD();
   int res = chdir("/etc/");
   EXPECT_EQ(res, 0);
   std::string p = flAbsPath("passwd");
   EXPECT_EQ(p, "/etc/passwd");

   res = chdir(cwd.c_str());
   EXPECT_EQ(res, 0);
}

static void TestDevNullFileFd(unsigned int const filemode)
{
   FileFd f("/dev/null", filemode);
   EXPECT_FALSE(f.Failed());
   EXPECT_TRUE(f.IsOpen());
   EXPECT_TRUE(f.IsOpen());

   std::string test = "This is a test!\n";
   EXPECT_TRUE(f.Write(test.c_str(), test.size()));
   EXPECT_TRUE(f.IsOpen());
   EXPECT_FALSE(f.Failed());

   f.Close();
   EXPECT_FALSE(f.IsOpen());
   EXPECT_FALSE(f.Failed());
}
TEST(FileUtlTest, WorkingWithDevNull)
{
   TestDevNullFileFd(FileFd::WriteOnly | FileFd::Create);
   TestDevNullFileFd(FileFd::WriteOnly | FileFd::Create | FileFd::Empty);
   TestDevNullFileFd(FileFd::WriteOnly | FileFd::Create | FileFd::Exclusive);
   TestDevNullFileFd(FileFd::WriteOnly | FileFd::Atomic);
   TestDevNullFileFd(FileFd::WriteOnly | FileFd::Create | FileFd::Atomic);
   // short-hands for ReadWrite with these modes
   TestDevNullFileFd(FileFd::WriteEmpty);
   TestDevNullFileFd(FileFd::WriteAny);
   TestDevNullFileFd(FileFd::WriteTemp);
   TestDevNullFileFd(FileFd::WriteAtomic);
}
Commit	Line	Data
453b82a3 DK	1	#include <config.h>
453b82a3 DK	2
488011fa MV	3	#include <apt-pkg/error.h>
488011fa MV	4	#include <apt-pkg/fileutl.h>
f00832cc	5	#include <apt-pkg/strutl.h>
f7feb041	6	#include <apt-pkg/aptconfiguration.h>
488011fa	7
488011fa MV	8	#include <string>
488011fa MV	9	#include <vector>
488011fa	10	#include <stdlib.h>
f7feb041	11	#include <string.h>
488011fa	12
f00832cc	13	#include <gtest/gtest.h>
488011fa	14
f00832cc	15	#include "file-helpers.h"
f7feb041	16
f00832cc DK	17	static void TestFileFd(mode_t const a_umask, mode_t const ExpectedFilePermission,
f00832cc DK	18	unsigned int const filemode, APT::Configuration::Compressor const &compressor)
f22b65b4	19	{
f00832cc DK	20	std::string trace;
	21	strprintf(trace, "TestFileFd: Compressor: %s umask: %#o permission: %#o mode: %d", compressor.Name.c_str(), a_umask, ExpectedFilePermission, filemode);
	22	SCOPED_TRACE(trace);
	23
bb93178b DK	24	static const char* fname = "apt-filefd-test.txt";
bb93178b DK	25	if (FileExists(fname) == true)
f00832cc	26	EXPECT_EQ(0, unlink(fname));
f22b65b4	27
f00832cc	28	FileFd f;
f22b65b4	29	umask(a_umask);
f00832cc DK	30	EXPECT_TRUE(f.Open(fname, filemode, compressor));
	31	EXPECT_TRUE(f.IsOpen());
	32	EXPECT_FALSE(f.Failed());
	33	EXPECT_EQ(umask(a_umask), a_umask);
f7feb041	34
bb93178b	35	std::string test = "This is a test!\n";
f00832cc DK	36	EXPECT_TRUE(f.Write(test.c_str(), test.size()));
	37	EXPECT_TRUE(f.IsOpen());
	38	EXPECT_FALSE(f.Failed());
f7feb041	39
f22b65b4	40	f.Close();
f00832cc DK	41	EXPECT_FALSE(f.IsOpen());
	42	EXPECT_FALSE(f.Failed());
	43
	44	EXPECT_TRUE(f.Open(fname, FileFd::ReadOnly, compressor));
	45	EXPECT_TRUE(f.IsOpen());
	46	EXPECT_FALSE(f.Failed());
	47	EXPECT_FALSE(f.Eof());
	48	EXPECT_NE(0, f.FileSize());
	49	EXPECT_FALSE(f.Failed());
	50	EXPECT_NE(0, f.ModificationTime());
	51	EXPECT_FALSE(f.Failed());
f7feb041	52
bb93178b	53	// ensure the memory is as predictably messed up
f00832cc	54	#define APT_INIT_READBACK \
bb93178b	55	char readback[20]; \
ad5ffe1f	56	memset(readback, 'D', sizeof(readback)*sizeof(readback[0])); \
bb93178b	57	readback[19] = '\0';
f00832cc DK	58	#define EXPECT_N_STR(expect, actual) \
f00832cc DK	59	EXPECT_EQ(0, strncmp(expect, actual, strlen(expect)));
ad5ffe1f DK	60	{
	61	APT_INIT_READBACK
	62	char const * const expect = "DDDDDDDDDDDDDDDDDDD";
	63	EXPECT_STREQ(expect,readback);
	64	EXPECT_N_STR(expect, readback);
	65	}
f7feb041	66	{
bb93178b	67	APT_INIT_READBACK
f7feb041	68	char const * const expect = "This";
f00832cc DK	69	EXPECT_TRUE(f.Read(readback, strlen(expect)));
	70	EXPECT_FALSE(f.Failed());
	71	EXPECT_FALSE(f.Eof());
	72	EXPECT_N_STR(expect, readback);
	73	EXPECT_EQ(strlen(expect), f.Tell());
f7feb041 DK	74	}
f7feb041 DK	75	{
bb93178b DK	76	APT_INIT_READBACK
bb93178b DK	77	char const * const expect = "test!\n";
f00832cc DK	78	EXPECT_TRUE(f.Skip((test.size() - f.Tell()) - strlen(expect)));
	79	EXPECT_TRUE(f.Read(readback, strlen(expect)));
	80	EXPECT_FALSE(f.Failed());
	81	EXPECT_FALSE(f.Eof());
	82	EXPECT_N_STR(expect, readback);
	83	EXPECT_EQ(test.size(), f.Tell());
f7feb041	84	}
bb93178b DK	85	{
bb93178b DK	86	APT_INIT_READBACK
f00832cc DK	87	EXPECT_TRUE(f.Seek(0));
	88	EXPECT_FALSE(f.Eof());
	89	EXPECT_TRUE(f.Read(readback, 20, true));
	90	EXPECT_FALSE(f.Failed());
	91	EXPECT_TRUE(f.Eof());
	92	EXPECT_N_STR(test.c_str(), readback);
	93	EXPECT_EQ(f.Size(), f.Tell());
bb93178b DK	94	}
	95	{
	96	APT_INIT_READBACK
f00832cc DK	97	EXPECT_TRUE(f.Seek(0));
	98	EXPECT_FALSE(f.Eof());
	99	EXPECT_TRUE(f.Read(readback, test.size(), true));
	100	EXPECT_FALSE(f.Failed());
	101	EXPECT_FALSE(f.Eof());
	102	EXPECT_N_STR(test.c_str(), readback);
	103	EXPECT_EQ(f.Size(), f.Tell());
bb93178b DK	104	}
	105	{
	106	APT_INIT_READBACK
f00832cc DK	107	EXPECT_TRUE(f.Seek(0));
f00832cc DK	108	EXPECT_FALSE(f.Eof());
bb93178b	109	unsigned long long actual;
f00832cc DK	110	EXPECT_TRUE(f.Read(readback, 20, &actual));
	111	EXPECT_FALSE(f.Failed());
	112	EXPECT_TRUE(f.Eof());
	113	EXPECT_EQ(test.size(), actual);
	114	EXPECT_N_STR(test.c_str(), readback);
	115	EXPECT_EQ(f.Size(), f.Tell());
bb93178b DK	116	}
	117	{
	118	APT_INIT_READBACK
f00832cc DK	119	EXPECT_TRUE(f.Seek(0));
f00832cc DK	120	EXPECT_FALSE(f.Eof());
bb93178b	121	f.ReadLine(readback, 20);
f00832cc DK	122	EXPECT_FALSE(f.Failed());
	123	EXPECT_FALSE(f.Eof());
	124	EXPECT_EQ(test, readback);
	125	EXPECT_EQ(f.Size(), f.Tell());
bb93178b DK	126	}
	127	{
	128	APT_INIT_READBACK
f00832cc DK	129	EXPECT_TRUE(f.Seek(0));
f00832cc DK	130	EXPECT_FALSE(f.Eof());
bb93178b DK	131	char const * const expect = "This";
bb93178b DK	132	f.ReadLine(readback, strlen(expect) + 1);
f00832cc DK	133	EXPECT_FALSE(f.Failed());
	134	EXPECT_FALSE(f.Eof());
	135	EXPECT_N_STR(expect, readback);
	136	EXPECT_EQ(strlen(expect), f.Tell());
bb93178b DK	137	}
bb93178b DK	138	#undef APT_INIT_READBACK
f7feb041 DK	139
f7feb041 DK	140	f.Close();
f00832cc DK	141	EXPECT_FALSE(f.IsOpen());
f00832cc DK	142	EXPECT_FALSE(f.Failed());
f7feb041 DK	143
f7feb041 DK	144	// regression test for permission bug LP: #1304657
f00832cc DK	145	struct stat buf;
	146	EXPECT_EQ(0, stat(fname, &buf));
	147	EXPECT_EQ(0, unlink(fname));
	148	EXPECT_EQ(ExpectedFilePermission, buf.st_mode & 0777);
f22b65b4 MV	149	}
f22b65b4 MV	150
f00832cc	151	static void TestFileFd(unsigned int const filemode)
488011fa	152	{
bb93178b DK	153	std::vector<APT::Configuration::Compressor> compressors = APT::Configuration::getCompressors();
	154
	155	// testing the (un)compress via pipe, as the 'real' compressors are usually built in via libraries
	156	compressors.push_back(APT::Configuration::Compressor("rev", ".reversed", "rev", NULL, NULL, 42));
	157	//compressors.push_back(APT::Configuration::Compressor("cat", ".ident", "cat", NULL, NULL, 42));
	158
f7feb041 DK	159	for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin(); c != compressors.end(); ++c)
	160	{
	161	if ((filemode & FileFd::ReadWrite) == FileFd::ReadWrite &&
	162	(c->Name.empty() != true && c->Binary.empty() != true))
	163	continue;
f00832cc DK	164	TestFileFd(0002, 0664, filemode, *c);
	165	TestFileFd(0022, 0644, filemode, *c);
	166	TestFileFd(0077, 0600, filemode, *c);
	167	TestFileFd(0026, 0640, filemode, *c);
f7feb041	168	}
f7feb041	169	}
488011fa	170
f00832cc DK	171	TEST(FileUtlTest, FileFD)
	172	{
	173	std::string const startdir = SafeGetCWD();
	174	EXPECT_FALSE(startdir.empty());
	175	std::string tempdir;
	176	createTemporaryDirectory("filefd", tempdir);
	177	EXPECT_EQ(0, chdir(tempdir.c_str()));
	178
	179	TestFileFd(FileFd::WriteOnly \| FileFd::Create);
	180	TestFileFd(FileFd::WriteOnly \| FileFd::Create \| FileFd::Empty);
	181	TestFileFd(FileFd::WriteOnly \| FileFd::Create \| FileFd::Exclusive);
	182	TestFileFd(FileFd::WriteOnly \| FileFd::Atomic);
	183	TestFileFd(FileFd::WriteOnly \| FileFd::Create \| FileFd::Atomic);
	184	// short-hands for ReadWrite with these modes
	185	TestFileFd(FileFd::WriteEmpty);
	186	TestFileFd(FileFd::WriteAny);
	187	TestFileFd(FileFd::WriteTemp);
	188	TestFileFd(FileFd::WriteAtomic);
	189
	190	EXPECT_EQ(0, chdir(startdir.c_str()));
	191	removeDirectory(tempdir);
	192	}
	193	TEST(FileUtlTest, Glob)
f7feb041	194	{
f7feb041	195	std::vector<std::string> files;
488011fa	196	// normal match
f00832cc DK	197	files = Glob("*akefile");
f00832cc DK	198	EXPECT_EQ(1, files.size());
488011fa MV	199
	200	// not there
	201	files = Glob("xxxyyyzzz");
f00832cc DK	202	EXPECT_TRUE(files.empty());
f00832cc DK	203	EXPECT_FALSE(_error->PendingError());
488011fa MV	204
	205	// many matches (number is a bit random)
	206	files = Glob("*.cc");
f00832cc DK	207	EXPECT_LT(10, files.size());
	208	}
	209	TEST(FileUtlTest, GetTempDir)
	210	{
	211	char const * const envtmp = getenv("TMPDIR");
	212	std::string old_tmpdir;
	213	if (envtmp != NULL)
	214	old_tmpdir = envtmp;
488011fa	215
a077861a	216	unsetenv("TMPDIR");
f00832cc	217	EXPECT_EQ("/tmp", GetTempDir());
a077861a MV	218
a077861a MV	219	setenv("TMPDIR", "", 1);
f00832cc	220	EXPECT_EQ("/tmp", GetTempDir());
a077861a MV	221
a077861a MV	222	setenv("TMPDIR", "/not-there-no-really-not", 1);
f00832cc	223	EXPECT_EQ("/tmp", GetTempDir());
a077861a	224
0d303f17	225	// here but not accessible for non-roots
a077861a	226	setenv("TMPDIR", "/usr", 1);
0d303f17 DK	227	EXPECT_EQ("/tmp", GetTempDir());
	228
	229	// files are no good for tmpdirs, too
	230	setenv("TMPDIR", "/dev/null", 1);
	231	EXPECT_EQ("/tmp", GetTempDir());
	232
	233	setenv("TMPDIR", "/var/tmp", 1);
	234	EXPECT_EQ("/var/tmp", GetTempDir());
a077861a	235
f00832cc DK	236	unsetenv("TMPDIR");
	237	if (old_tmpdir.empty() == false)
	238	setenv("TMPDIR", old_tmpdir.c_str(), 1);
488011fa	239	}
7ad2a347 MV	240	TEST(FileUtlTest, Popen)
	241	{
	242	FileFd Fd;
	243	pid_t Child;
	244	char buf[1024];
	245	std::string s;
	246	unsigned long long n = 0;
	247	std::vector<std::string> OpenFds;
	248
	249	// count Fds to ensure we don't have a resource leak
	250	if(FileExists("/proc/self/fd"))
	251	OpenFds = Glob("/proc/self/fd/*");
	252
	253	// output something
	254	const char* Args[10] = {"/bin/echo", "meepmeep", NULL};
23fb7b2c DK	255	EXPECT_TRUE(Popen(Args, Fd, Child, FileFd::ReadOnly));
23fb7b2c DK	256	EXPECT_TRUE(Fd.Read(buf, sizeof(buf)-1, &n));
7ad2a347 MV	257	buf[n] = 0;
7ad2a347 MV	258	EXPECT_NE(n, 0);
7ad2a347 MV	259	EXPECT_STREQ(buf, "meepmeep\n");
	260
	261	// wait for the child to exit and cleanup
23fb7b2c DK	262	EXPECT_TRUE(ExecWait(Child, "PopenRead"));
23fb7b2c DK	263	EXPECT_TRUE(Fd.Close());
7ad2a347 MV	264
	265	// ensure that after a close all is good again
	266	if(FileExists("/proc/self/fd"))
	267	EXPECT_EQ(Glob("/proc/self/fd/*").size(), OpenFds.size());
	268
7ad2a347	269	// ReadWrite is not supported
23fb7b2c DK	270	_error->PushToStack();
	271	EXPECT_FALSE(Popen(Args, Fd, Child, FileFd::ReadWrite));
	272	EXPECT_FALSE(Fd.IsOpen());
	273	EXPECT_FALSE(Fd.Failed());
	274	EXPECT_TRUE(_error->PendingError());
	275	_error->RevertToStack();
7ad2a347 MV	276
	277	// write something
	278	Args[0] = "/bin/bash";
	279	Args[1] = "-c";
	280	Args[2] = "read";
	281	Args[3] = NULL;
23fb7b2c	282	EXPECT_TRUE(Popen(Args, Fd, Child, FileFd::WriteOnly));
7ad2a347	283	s = "\n";
23fb7b2c DK	284	EXPECT_TRUE(Fd.Write(s.c_str(), s.length()));
	285	EXPECT_TRUE(Fd.Close());
	286	EXPECT_FALSE(Fd.IsOpen());
	287	EXPECT_FALSE(Fd.Failed());
	288	EXPECT_TRUE(ExecWait(Child, "PopenWrite"));
7ad2a347	289	}
53ac87ac MV	290	TEST(FileUtlTest, flAbsPath)
53ac87ac MV	291	{
a111a024	292	std::string cwd = SafeGetCWD();
20cf708a	293	int res = chdir("/etc/");
53ac87ac	294	EXPECT_EQ(res, 0);
20cf708a JAK	295	std::string p = flAbsPath("passwd");
20cf708a JAK	296	EXPECT_EQ(p, "/etc/passwd");
a111a024 MV	297
	298	res = chdir(cwd.c_str());
	299	EXPECT_EQ(res, 0);
53ac87ac	300	}
cd46d4eb DK	301
	302	static void TestDevNullFileFd(unsigned int const filemode)
	303	{
	304	FileFd f("/dev/null", filemode);
	305	EXPECT_FALSE(f.Failed());
	306	EXPECT_TRUE(f.IsOpen());
	307	EXPECT_TRUE(f.IsOpen());
	308
	309	std::string test = "This is a test!\n";
	310	EXPECT_TRUE(f.Write(test.c_str(), test.size()));
	311	EXPECT_TRUE(f.IsOpen());
	312	EXPECT_FALSE(f.Failed());
	313
	314	f.Close();
	315	EXPECT_FALSE(f.IsOpen());
	316	EXPECT_FALSE(f.Failed());
	317	}
	318	TEST(FileUtlTest, WorkingWithDevNull)
	319	{
	320	TestDevNullFileFd(FileFd::WriteOnly \| FileFd::Create);
	321	TestDevNullFileFd(FileFd::WriteOnly \| FileFd::Create \| FileFd::Empty);
	322	TestDevNullFileFd(FileFd::WriteOnly \| FileFd::Create \| FileFd::Exclusive);
	323	TestDevNullFileFd(FileFd::WriteOnly \| FileFd::Atomic);
	324	TestDevNullFileFd(FileFd::WriteOnly \| FileFd::Create \| FileFd::Atomic);
	325	// short-hands for ReadWrite with these modes
	326	TestDevNullFileFd(FileFd::WriteEmpty);
	327	TestDevNullFileFd(FileFd::WriteAny);
	328	TestDevNullFileFd(FileFd::WriteTemp);
	329	TestDevNullFileFd(FileFd::WriteAtomic);
	330	}