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Merge remote-tracking branch 'donkult/debian/sid' into debian/sid
[apt.git] / test / libapt / fileutl_test.cc
diff --git a/test/libapt/fileutl_test.cc b/test/libapt/fileutl_test.cc
index 462bdefd9ee225c53932f7e74dcf15c36412b553..643c02297fbc2e8851775cceb84fb36582beea9f 100644 (file)
--- a/test/libapt/fileutl_test.cc
+++ b/test/libapt/fileutl_test.cc
@@ -1,55 +1,226 @@
+#include <config.h>
+
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/aptconfiguration.h>
 
 
-#include "assert.h"
 #include <string>
 #include <vector>
 #include <string>
 #include <vector>
-
-#include <stdio.h>
-#include <iostream>
 #include <stdlib.h>
 #include <stdlib.h>
+#include <string.h>
+
+#include <gtest/gtest.h>
 
 
+#include "file-helpers.h"
 
 
-int main(int argc,char *argv[])
+static void TestFileFd(mode_t const a_umask, mode_t const ExpectedFilePermission,
+      unsigned int const filemode, APT::Configuration::Compressor const &compressor)
 {
 {
-   std::vector<std::string> files;
+   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);
 
 
-   // normal match
-   files = Glob("*.lst");
-   if (files.size() != 1)
+   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 = "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());
+   }
    {
    {
-      _error->DumpErrors();
-      return 1;
+      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
 
 
-   // not there
-   files = Glob("xxxyyyzzz");
-   if (files.size() != 0 || _error->PendingError())
+   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)
    {
    {
-      _error->DumpErrors();
-      return 1;
+      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");
 
    // 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");
    unsetenv("TMPDIR");
-   equals(GetTempDir(), "/tmp");
+   EXPECT_EQ("/tmp", GetTempDir());
 
    setenv("TMPDIR", "", 1);
 
    setenv("TMPDIR", "", 1);
-   equals(GetTempDir(), "/tmp");
+   EXPECT_EQ("/tmp", GetTempDir());
 
    setenv("TMPDIR", "/not-there-no-really-not", 1);
 
    setenv("TMPDIR", "/not-there-no-really-not", 1);
-   equals(GetTempDir(), "/tmp");
+   EXPECT_EQ("/tmp", GetTempDir());
 
    setenv("TMPDIR", "/usr", 1);
 
    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);
 }
 }
APT (for Cydia)