xlnt/tests/helpers/helper.hpp

#pragma once

#include <sstream>
#include <pugixml.hpp>

#include "path_helper.hpp"

class Helper
{
public:
    static bool EqualsFileContent(const std::string &reference_file, const std::string &fixture)
    {
      std::string fixture_content;

      if(PathHelper::FileExists(fixture))
	{
	  std::fstream fixture_file;
	  fixture_file.open(fixture);
	  std::stringstream ss;
	  ss << fixture_file.rdbuf();
	  fixture_content = ss.str();
	}
      else
	{
	  fixture_content = fixture;
	}

      std::string expected_content;

      if(PathHelper::FileExists(reference_file))
	{
	  std::fstream file;
	  file.open(reference_file);
	  std::stringstream ss;
	  ss << file.rdbuf();
	  expected_content = ss.str();
	}
      else
	{
	  throw std::runtime_error("file not found");
	}

      {
	pugi::xml_document doc;
	doc.load(fixture_content.c_str());
	std::stringstream ss;
	doc.save(ss);
	fixture_content = ss.str();
      }

      {
	pugi::xml_document doc;
	doc.load(expected_content.c_str());
	std::stringstream ss;
	doc.save(ss);
	expected_content = ss.str();
      }

      return expected_content == fixture_content;
    }
};