#include <gtest/gtest.h>

#include "file.h"

#include <filesystem>
#include <fstream>
#include <iostream>

namespace fs = std::filesystem;

namespace {
 const fs::path testFilename{"testfile.txt"};
} // namespace

class FileTest: public ::testing::Test
{
protected:
 FileTest(){
 }

 ~FileTest() override{
 }

 void SetUp() override
 {
  std::error_code ec;
  fs::remove(testFilename, ec);
 }

 void TearDown() override
 {
  std::error_code ec;
  fs::remove(testFilename, ec);
 }

};

TEST_F(FileTest, getFile)
{
 {
  std::ofstream of(testFilename, std::ios::binary);
  of << "abc";
 }

 std::string s{Reichwein::File::getFile(testFilename)};

 EXPECT_EQ(s, "abc");
}

TEST_F(FileTest, getFile_proc)
{
 std::string s{Reichwein::File::getFile("/proc/cmdline")};

 EXPECT_GT(s.size(), 0);
}