blob: f9042598d37f727c6e8873d5d276383ecd562644 [file] [log] [blame]
#include "aos/util/file.h"
#include <stdlib.h>
#include <string>
#include "gtest/gtest.h"
#include "aos/testing/test_logging.h"
namespace aos {
namespace util {
namespace testing {
class FileTest : public ::testing::Test {
protected:
FileTest() {
::aos::testing::EnableTestLogging();
}
};
// Basic test of reading a normal file.
TEST_F(FileTest, ReadNormalFile) {
const ::std::string tmpdir(getenv("TEST_TMPDIR"));
const ::std::string test_file = tmpdir + "/test_file";
ASSERT_EQ(0, system(("echo contents > " + test_file).c_str()));
EXPECT_EQ("contents\n", ReadFileToStringOrDie(test_file));
}
// Tests reading a file with 0 size, among other weird things.
TEST_F(FileTest, ReadSpecialFile) {
const ::std::string stat = ReadFileToStringOrDie("/proc/self/stat");
EXPECT_EQ('\n', stat[stat.size() - 1]);
const ::std::string my_pid = ::std::to_string(getpid());
EXPECT_EQ(my_pid, stat.substr(0, my_pid.size()));
}
} // namespace testing
} // namespace util
} // namespace aos