use Google C++ Testing Framework for libapt tests

[apt.git] / test / libapt / file-helpers.cc

diff --git a/test/libapt/file-helpers.cc b/test/libapt/file-helpers.cc
new file mode 100644 (file)
index 0000000..5edb9a9
--- /dev/null
+++ b/test/libapt/file-helpers.cc
@@ -0,0 +1,77 @@
+#include <apt-pkg/fileutl.h>
+
+#include <string>
+
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+
+#include <gtest/gtest.h>
+
+#include "file-helpers.h"
+
+void helperCreateTemporaryDirectory(std::string const &id, std::string &dir)
+{
+   std::string const strtempdir = GetTempDir().append("/apt-tests-").append(id).append(".XXXXXX");
+   char * tempdir = strdup(strtempdir.c_str());
+   ASSERT_STREQ(tempdir, mkdtemp(tempdir));
+   dir = tempdir;
+   free(tempdir);
+}
+void helperRemoveDirectory(std::string const &dir)
+{
+   // basic sanity check to avoid removing random directories based on earlier failures
+   if (dir.find("/apt-tests-") == std::string::npos || dir.find_first_of("*?") != std::string::npos)
+      FAIL() << "Directory '" << dir << "' seems invalid. It is therefore not removed!";
+   else
+      ASSERT_EQ(0, system(std::string("rm -rf ").append(dir).c_str()));
+}
+void helperCreateFile(std::string const &dir, std::string const &name)
+{
+   std::string file = dir;
+   file.append("/");
+   file.append(name);
+   int const fd = creat(file.c_str(), 0600);
+   ASSERT_NE(-1, fd);
+   close(fd);
+}
+void helperCreateDirectory(std::string const &dir, std::string const &name)
+{
+   std::string file = dir;
+   file.append("/");
+   file.append(name);
+   ASSERT_TRUE(CreateDirectory(dir, file));
+}
+void helperCreateLink(std::string const &dir, std::string const &targetname, std::string const &linkname)
+{
+   std::string target = dir;
+   target.append("/");
+   target.append(targetname);
+   std::string link = dir;
+   link.append("/");
+   link.append(linkname);
+   ASSERT_EQ(0, symlink(target.c_str(), link.c_str()));
+}
+void helperCreateTemporaryFile(std::string const &id, FileFd &fd, char * * const filename, char const * const content)
+{
+   std::string name("apt-test-");
+   name.append(id).append(".XXXXXXXX");
+   char * tempfile = strdup(name.c_str());
+   int tempfile_fd = mkstemp(tempfile);
+   ASSERT_NE(-1, tempfile_fd);
+   if (filename != NULL)
+      *filename = tempfile;
+   else
+   {
+      unlink(tempfile);
+      free(tempfile);
+   }
+
+   EXPECT_TRUE(fd.OpenDescriptor(tempfile_fd, FileFd::ReadWrite));
+   if (content != NULL)
+   {
+      ASSERT_TRUE(fd.Write(content, strlen(content)));
+      fd.Seek(0);
+   }
+}