1 files changed, 167 insertions, 115 deletions

diff --git a/test/libapt/fileutl_test.cc b/test/libapt/fileutl_test.cc
index 3a354814d..643c02297 100644
--- a/test/libapt/fileutl_test.cc
+++ b/test/libapt/fileutl_test.cc
@@ -2,173 +2,225 @@
 
 #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 <sys/stat.h>
 #include <string.h>
 
-#include "assert.h"
+#include <gtest/gtest.h>
 
-static void assertStringEquals(char const * const expect, char const * const got, unsigned long const line) {
-	if (strncmp(expect, got, strlen(expect)) == 0)
-		return;
-	OutputAssertEqual(expect, "==", got, line);
-}
-#define strequals(x,y) assertStringEquals(x, y, __LINE__)
+#include "file-helpers.h"
 
-static bool
-TestFileFd(mode_t const a_umask, mode_t const ExpectedFilePermission, unsigned int const filemode, APT::Configuration::Compressor const &compressor)
+static void TestFileFd(mode_t const a_umask, mode_t const ExpectedFilePermission,
+      unsigned int const filemode, APT::Configuration::Compressor const &compressor)
 {
-   FileFd f;
-   struct stat buf;
-   static const char* fname = "test.txt";
+   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);
-   equals(f.Open(fname, filemode, compressor), true);
-   equals(f.IsOpen(), true);
-   equals(f.Failed(), false);
-   equals(umask(a_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!";
-   equals(f.Write(test.c_str(), test.size()), true);
-   equals(f.IsOpen(), true);
-   equals(f.Failed(), false);
+   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();
-   equals(f.IsOpen(), false);
-   equals(f.Failed(), false);
+   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)));
 
-   equals(f.Open(fname, FileFd::ReadOnly, compressor), true);
-   equalsNot(f.FileSize(), 0);
-   equals(f.IsOpen(), true);
-   equals(f.Failed(), false);
-
-   char readback[20];
    {
+      APT_INIT_READBACK
       char const * const expect = "This";
-      equals(f.Read(readback, strlen(expect)), true);
-      equals(f.Failed(), false);
-      equals(f.Eof(), false);
-      strequals(expect, readback);
-      equals(strlen(expect), f.Tell());
+      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());
    }
    {
-      char const * const expect = "test!";
-      equals(f.Skip((test.size() - f.Tell()) - strlen(expect)), true);
-      equals(f.Read(readback, strlen(expect)), true);
-      equals(f.Failed(), false);
-      equals(f.Eof(), false);
-      strequals(expect, readback);
-      equals(test.size(), 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());
    }
-
-   equals(f.Seek(0), true);
-   equals(f.Read(readback, 20, true), true);
-   equals(f.Failed(), false);
-   equals(f.Eof(), true);
-   equals(test, readback);
-   equals(test.size(), strlen(readback));
-   equals(f.Size(), f.Tell());
-
-   equals(f.Seek(0), true);
-   f.ReadLine(readback, 20);
-   equals(f.Failed(), false);
-   equals(f.Eof(), true);
-   equals(test, readback);
-   equals(test.size(), strlen(readback));
-   equals(f.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();
-   equals(f.IsOpen(), false);
-   equals(f.Failed(), false);
+   EXPECT_FALSE(f.IsOpen());
+   EXPECT_FALSE(f.Failed());
 
    // regression test for permission bug LP: #1304657
-   if (stat(fname, &buf) < 0)
-   {
-      _error->Errno("stat", "failed to stat");
-      return false;
-   }
-   unlink(fname);
-   equals(buf.st_mode & 0777, ExpectedFilePermission);
-   return true;
+   struct stat buf;
+   EXPECT_EQ(0, stat(fname, &buf));
+   EXPECT_EQ(0, unlink(fname));
+   EXPECT_EQ(ExpectedFilePermission, buf.st_mode & 0777);
 }
 
-static bool TestFileFd(unsigned int const filemode)
+static void TestFileFd(unsigned int const filemode)
 {
-   std::vector<APT::Configuration::Compressor> const compressors = APT::Configuration::getCompressors();
+   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;
-      if (TestFileFd(0002, 0664, filemode, *c) == false ||
-	    TestFileFd(0022, 0644, filemode, *c) == false ||
-	    TestFileFd(0077, 0600, filemode, *c) == false ||
-	    TestFileFd(0026, 0640, filemode, *c) == false)
-      {
-	 _error->DumpErrors();
-	 return false;
-      }
+      TestFileFd(0002, 0664, filemode, *c);
+      TestFileFd(0022, 0644, filemode, *c);
+      TestFileFd(0077, 0600, filemode, *c);
+      TestFileFd(0026, 0640, filemode, *c);
    }
-   return true;
 }
 
-int main()
+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)
 {
-   if (TestFileFd(FileFd::WriteOnly | FileFd::Create) == false ||
-	 TestFileFd(FileFd::WriteOnly | FileFd::Create | FileFd::Empty) == false ||
-	 TestFileFd(FileFd::WriteOnly | FileFd::Create | FileFd::Exclusive) == false ||
-	 TestFileFd(FileFd::WriteOnly | FileFd::Atomic) == false ||
-	 TestFileFd(FileFd::WriteOnly | FileFd::Create | FileFd::Atomic) == false ||
-	 // short-hands for ReadWrite with these modes
-	 TestFileFd(FileFd::WriteEmpty) == false ||
-	 TestFileFd(FileFd::WriteAny) == false ||
-	 TestFileFd(FileFd::WriteTemp) == false ||
-	 TestFileFd(FileFd::WriteAtomic) == false)
-   {
-      return 1;
-   }
-
    std::vector<std::string> files;
    // normal match
-   files = Glob("*.lst");
-   if (files.size() != 1)
-   {
-      _error->DumpErrors();
-      return 1;
-   }
+   files = Glob("*akefile");
+   EXPECT_EQ(1, files.size());
 
    // not there
    files = Glob("xxxyyyzzz");
-   if (files.size() != 0 || _error->PendingError())
-   {
-      _error->DumpErrors();
-      return 1;
-   }
+   EXPECT_TRUE(files.empty());
+   EXPECT_FALSE(_error->PendingError());
 
    // many matches (number is a bit random)
    files = Glob("*.cc");
-   if (files.size() < 10)
-   {
-      _error->DumpErrors();
-      return 1;
-   }
+   EXPECT_LT(10, files.size());
+}
+TEST(FileUtlTest, GetTempDir)
+{
+   char const * const envtmp = getenv("TMPDIR");
+   std::string old_tmpdir;
+   if (envtmp != NULL)
+      old_tmpdir = envtmp;
 
-   // GetTempDir()
    unsetenv("TMPDIR");
-   equals(GetTempDir(), "/tmp");
+   EXPECT_EQ("/tmp", GetTempDir());
 
    setenv("TMPDIR", "", 1);
-   equals(GetTempDir(), "/tmp");
+   EXPECT_EQ("/tmp", GetTempDir());
 
    setenv("TMPDIR", "/not-there-no-really-not", 1);
-   equals(GetTempDir(), "/tmp");
+   EXPECT_EQ("/tmp", GetTempDir());
 
    setenv("TMPDIR", "/usr", 1);
-   equals(GetTempDir(), "/usr");
+   EXPECT_EQ("/usr", GetTempDir());
 
-   return 0;
+   unsetenv("TMPDIR");
+   if (old_tmpdir.empty() == false)
+      setenv("TMPDIR", old_tmpdir.c_str(), 1);
 }