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/*
* 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)
*/
#ifndef TWOBLUECUBES_CATCH_TEST_CASE_REGISTRY_IMPL_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_TEST_CASE_REGISTRY_IMPL_HPP_INCLUDED
#include "catch_test_registry.hpp"
#include "catch_test_case_info.h"
#include "catch_test_spec.hpp"
#include "catch_context.h"
#include <vector>
#include <set>
#include <sstream>
#include <iostream>
#include <algorithm>
namespace Catch {
struct LexSort {
bool operator() (TestCase i,TestCase j) const { return (i<j);}
};
struct RandomNumberGenerator {
int operator()( int n ) const { return std::rand() % n; }
};
inline std::vector<TestCase> sortTests( IConfig const& config, std::vector<TestCase> const& unsortedTestCases ) {
std::vector<TestCase> sorted = unsortedTestCases;
switch( config.runOrder() ) {
case RunTests::InLexicographicalOrder:
std::sort( sorted.begin(), sorted.end(), LexSort() );
break;
case RunTests::InRandomOrder:
{
seedRng( config );
RandomNumberGenerator rng;
std::random_shuffle( sorted.begin(), sorted.end(), rng );
}
break;
case RunTests::InDeclarationOrder:
// already in declaration order
break;
}
return sorted;
}
bool matchTest( TestCase const& testCase, TestSpec const& testSpec, IConfig const& config ) {
return testSpec.matches( testCase ) && ( config.allowThrows() || !testCase.throws() );
}
void enforceNoDuplicateTestCases( std::vector<TestCase> const& functions ) {
std::set<TestCase> seenFunctions;
for( std::vector<TestCase>::const_iterator it = functions.begin(), itEnd = functions.end();
it != itEnd;
++it ) {
std::pair<std::set<TestCase>::const_iterator, bool> prev = seenFunctions.insert( *it );
if( !prev.second ){
Catch::cerr()
<< Colour( Colour::Red )
<< "error: TEST_CASE( \"" << it->name << "\" ) already defined.\n"
<< "\tFirst seen at " << prev.first->getTestCaseInfo().lineInfo << "\n"
<< "\tRedefined at " << it->getTestCaseInfo().lineInfo << std::endl;
exit(1);
}
}
}
std::vector<TestCase> filterTests( std::vector<TestCase> const& testCases, TestSpec const& testSpec, IConfig const& config ) {
std::vector<TestCase> filtered;
filtered.reserve( testCases.size() );
for( std::vector<TestCase>::const_iterator it = testCases.begin(), itEnd = testCases.end();
it != itEnd;
++it )
if( matchTest( *it, testSpec, config ) )
filtered.push_back( *it );
return filtered;
}
std::vector<TestCase> const& getAllTestCasesSorted( IConfig const& config ) {
return getRegistryHub().getTestCaseRegistry().getAllTestsSorted( config );
}
class TestRegistry : public ITestCaseRegistry {
public:
TestRegistry()
: m_currentSortOrder( RunTests::InDeclarationOrder ),
m_unnamedCount( 0 )
{}
virtual ~TestRegistry();
virtual void registerTest( TestCase const& testCase ) {
std::string name = testCase.getTestCaseInfo().name;
if( name == "" ) {
std::ostringstream oss;
oss << "Anonymous test case " << ++m_unnamedCount;
return registerTest( testCase.withName( oss.str() ) );
}
m_functions.push_back( testCase );
}
virtual std::vector<TestCase> const& getAllTests() const {
return m_functions;
}
virtual std::vector<TestCase> const& getAllTestsSorted( IConfig const& config ) const {
if( m_sortedFunctions.empty() )
enforceNoDuplicateTestCases( m_functions );
if( m_currentSortOrder != config.runOrder() || m_sortedFunctions.empty() ) {
m_sortedFunctions = sortTests( config, m_functions );
m_currentSortOrder = config.runOrder();
}
return m_sortedFunctions;
}
private:
std::vector<TestCase> m_functions;
mutable RunTests::InWhatOrder m_currentSortOrder;
mutable std::vector<TestCase> m_sortedFunctions;
size_t m_unnamedCount;
std::ios_base::Init m_ostreamInit; // Forces cout/ cerr to be initialised
};
///////////////////////////////////////////////////////////////////////////
class FreeFunctionTestCase : public SharedImpl<ITestCase> {
public:
FreeFunctionTestCase( TestFunction fun ) : m_fun( fun ) {}
virtual void invoke() const {
m_fun();
}
private:
virtual ~FreeFunctionTestCase();
TestFunction m_fun;
};
inline std::string extractClassName( std::string const& classOrQualifiedMethodName ) {
std::string className = classOrQualifiedMethodName;
if( startsWith( className, "&" ) )
{
std::size_t lastColons = className.rfind( "::" );
std::size_t penultimateColons = className.rfind( "::", lastColons-1 );
if( penultimateColons == std::string::npos )
penultimateColons = 1;
className = className.substr( penultimateColons, lastColons-penultimateColons );
}
return className;
}
void registerTestCase
( ITestCase* testCase,
char const* classOrQualifiedMethodName,
NameAndDesc const& nameAndDesc,
SourceLineInfo const& lineInfo ) {
getMutableRegistryHub().registerTest
( makeTestCase
( testCase,
extractClassName( classOrQualifiedMethodName ),
nameAndDesc.name,
nameAndDesc.description,
lineInfo ) );
}
void registerTestCaseFunction
( TestFunction function,
SourceLineInfo const& lineInfo,
NameAndDesc const& nameAndDesc ) {
registerTestCase( new FreeFunctionTestCase( function ), "", nameAndDesc, lineInfo );
}
///////////////////////////////////////////////////////////////////////////
AutoReg::AutoReg
( TestFunction function,
SourceLineInfo const& lineInfo,
NameAndDesc const& nameAndDesc ) {
registerTestCaseFunction( function, lineInfo, nameAndDesc );
}
AutoReg::~AutoReg() {}
} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_TEST_CASE_REGISTRY_IMPL_HPP_INCLUDED
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