unit_test_utils.h

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#ifndef UNIT_TEST_UTILS__H
#define UNIT_TEST_UTILS__H
 
#define BOOST_NO_AUTO_PTR
 
#include <boost/test/unit_test.hpp>
#include <turtle/mock.hpp>
 
#include <qa_utils/wx_utils/wx_assert.h>
 
#include <functional>
#include <optional>
#include <set>
 
#include <wx/gdicmn.h>
 
 
 
template<class T>
struct PRINTABLE_OPT
{
 PRINTABLE_OPT( const std::optional<T>& aOpt ) : m_Opt( aOpt ){};
 PRINTABLE_OPT( const T& aVal ) : m_Opt( aVal ){};
 
 std::optional<T> m_Opt;
};
 
 
#define KI_CHECK_OPT_EQUAL( lhs, rhs ) \
 BOOST_CHECK_EQUAL( PRINTABLE_OPT( lhs ), PRINTABLE_OPT( rhs ) )
 
 
template <class T>
inline std::ostream& operator<<( std::ostream& aOs, const PRINTABLE_OPT<T>& aOptional )
{
 if( aOptional.m_Opt.has_value() )
 aOs << *aOptional.m_Opt;
 else
 aOs << "nullopt";
 
 return aOs;
}
 
 
template <class L, class R>
inline bool operator==( const PRINTABLE_OPT<L>& aLhs, const PRINTABLE_OPT<R>& aRhs )
{
 if( !aLhs.m_Opt.has_value() && !aRhs.m_Opt.has_value() )
 return true; // both nullopt
 
 return aLhs.m_Opt.has_value() && aRhs.m_Opt.has_value() && *aLhs.m_Opt == *aRhs.m_Opt;
}
 
 
template <class L, class R>
inline bool operator!=( const PRINTABLE_OPT<L>& aLhs, const PRINTABLE_OPT<R>& aRhs )
{
 return !( aLhs == aRhs );
}
 
 
// boost_test_print_type has to be in the same namespace as the printed type
namespace std
{
 
template <typename T>
std::ostream& boost_test_print_type( std::ostream& os, std::vector<T> const& aVec )
{
 os << "std::vector size " << aVec.size() << " [";
 
 for( const auto& i : aVec )
 {
 os << "\n " << i;
 }
 
 os << "]";
 return os;
}
 
template <typename K, typename V>
std::ostream& boost_test_print_type( std::ostream& os, std::map<K, V> const& aMap )
{
 os << "std::map size " << aMap.size() << " [";
 
 for( const auto& [key, value] : aMap )
 {
 os << "\n " << key << " = " << value;
 }
 
 os << "]";
 return os;
}
 
template <typename K, typename V>
std::ostream& boost_test_print_type( std::ostream& os, std::pair<K, V> const& aPair )
{
 os << "[" << aPair.first << ", " << aPair.second << "]";
 return os;
}
 
} // namespace std
 
 
std::ostream& boost_test_print_type( std::ostream& os, wxPoint const& aVec );
 
 
namespace KI_TEST
{
 
template <typename EXP_CONT> using EXP_OBJ = typename EXP_CONT::value_type;
template <typename FOUND_CONT> using FOUND_OBJ = typename FOUND_CONT::value_type;
 
template <typename EXP_OBJ, typename FOUND_OBJ>
using MATCH_PRED = std::function<bool( const EXP_OBJ&, const FOUND_OBJ& )>;
 
template <typename EXP_CONT, typename FOUND_CONT, typename MATCH_PRED>
void CheckUnorderedMatches( const EXP_CONT& aExpected, const FOUND_CONT& aFound,
 MATCH_PRED aMatchPredicate )
{
 using EXP_OBJ = typename EXP_CONT::value_type;
 
 // set of object we've already found
 std::set<const EXP_OBJ*> matched;
 
 // fill the set of object that match
 for( const auto& found : aFound )
 {
 for( const auto& expected : aExpected )
 {
 if( aMatchPredicate( expected, found ) )
 {
 matched.insert( &expected );
 break;
 }
 }
 }
 
 // first check every expected object was "found"
 for( const EXP_OBJ& exp : aExpected )
 {
 BOOST_CHECK_MESSAGE( matched.count( &exp ) > 0, "Expected item was not found. Expected: \n"
 << exp );
 }
 
 // check every "found" object was expected
 for( const EXP_OBJ* found : matched )
 {
 const bool was_expected = std::find_if( aExpected.begin(), aExpected.end(),
 [found]( const EXP_OBJ& aObj )
 {
 return &aObj == found;
 } ) != aExpected.end();
 
 BOOST_CHECK_MESSAGE( was_expected, "Found item was not expected. Found: \n" << *found );
 }
}
 
 
template <typename T>
bool CollectionHasNoDuplicates( const T& aCollection )
{
 T sorted = aCollection;
 std::sort( sorted.begin(), sorted.end() );
 
 return std::adjacent_find( sorted.begin(), sorted.end() ) == sorted.end();
}
 
 
#ifdef DEBUG
#define CHECK_WX_ASSERT( STATEMENT ) BOOST_CHECK_THROW( STATEMENT, KI_TEST::WX_ASSERT_ERROR );
#else
#define CHECK_WX_ASSERT( STATEMENT )
#endif
 
std::string GetEeschemaTestDataDir();
 
} // namespace KI_TEST
 
#endif // UNIT_TEST_UTILS__H