catch2/include/internal/catch_test_case_registry_impl.hpp
Phil Nash 3fd7dc0218 Prevent duplicate test names from being registered
If a test case with the same name as an already registered test case is registered an error is logged to cerr and the program exits (with error level 1)
2012-02-09 08:34:01 +00:00

190 lines
5.7 KiB
C++

/*
* catch_test_case_registry_impl.hpp
* Catch
*
* Created by Phil on 7/1/2011
* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
*/
#include "catch_test_registry.hpp"
#include "catch_test_case_info.hpp"
#include "catch_hub.h"
#include <vector>
#include <set>
#include <sstream>
#include <iostream> // !TBD DBG
namespace Catch
{
class TestRegistry : public ITestCaseRegistry
{
public:
///////////////////////////////////////////////////////////////////////////
TestRegistry
()
: m_unnamedCount( 0 )
{
}
///////////////////////////////////////////////////////////////////////////
virtual void registerTest
(
const TestCaseInfo& testInfo
)
{
if( testInfo.getName() == "" )
{
std::ostringstream oss;
oss << testInfo.getName() << "unnamed/" << ++m_unnamedCount;
return registerTest( TestCaseInfo( testInfo, oss.str() ) );
}
if( m_functions.find( testInfo ) == m_functions.end() )
{
m_functions.insert( testInfo );
m_functionsInOrder.push_back( testInfo );
}
else
{
const TestCaseInfo& prev = *m_functions.find( testInfo );
std::cerr << "error: TEST_CASE( \"" << testInfo.getName() << "\" ) already defined.\n"
<< "\tFirst seen at " << prev.getFilename() << ":" << prev.getLine() << "\n"
<< "\tRedefined at " << testInfo.getFilename() << ":" << testInfo.getLine() << std::endl;
exit(1);
}
}
///////////////////////////////////////////////////////////////////////////
virtual const std::vector<TestCaseInfo>& getAllTests
()
const
{
return m_functionsInOrder;
}
///////////////////////////////////////////////////////////////////////////
virtual std::vector<TestCaseInfo> getMatchingTestCases
(
const std::string& rawTestSpec
)
{
TestSpec testSpec( rawTestSpec );
std::vector<TestCaseInfo> testList;
std::vector<TestCaseInfo>::const_iterator it = m_functionsInOrder.begin();
std::vector<TestCaseInfo>::const_iterator itEnd = m_functionsInOrder.end();
for(; it != itEnd; ++it )
{
if( testSpec.matches( it->getName() ) )
{
testList.push_back( *it );
}
}
return testList;
}
private:
std::set<TestCaseInfo> m_functions;
std::vector<TestCaseInfo> m_functionsInOrder;
size_t m_unnamedCount;
};
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
struct FreeFunctionTestCase : ITestCase
{
///////////////////////////////////////////////////////////////////////////
FreeFunctionTestCase
(
TestFunction fun
)
: m_fun( fun )
{}
///////////////////////////////////////////////////////////////////////////
virtual void invoke
()
const
{
m_fun();
}
///////////////////////////////////////////////////////////////////////////
virtual ITestCase* clone
()
const
{
return new FreeFunctionTestCase( m_fun );
}
///////////////////////////////////////////////////////////////////////////
virtual bool operator ==
(
const ITestCase& other
)
const
{
const FreeFunctionTestCase* ffOther = dynamic_cast<const FreeFunctionTestCase*> ( &other );
return ffOther && m_fun == ffOther->m_fun;
}
///////////////////////////////////////////////////////////////////////////
virtual bool operator <
(
const ITestCase& other
)
const
{
const FreeFunctionTestCase* ffOther = dynamic_cast<const FreeFunctionTestCase*> ( &other );
return ffOther && m_fun < ffOther->m_fun;
}
private:
TestFunction m_fun;
};
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
AutoReg::AutoReg
(
TestFunction function,
const char* name,
const char* description,
const char* filename,
std::size_t line
)
{
registerTestCase( new FreeFunctionTestCase( function ), name, description, filename, line );
}
///////////////////////////////////////////////////////////////////////////
AutoReg::~AutoReg
()
{
}
///////////////////////////////////////////////////////////////////////////
void AutoReg::registerTestCase
(
ITestCase* testCase,
const char* name,
const char* description,
const char* filename,
std::size_t line
)
{
Hub::getTestCaseRegistry().registerTest( TestCaseInfo( testCase, name, description, filename, line ) );
}
} // end namespace Catch