catch2/include/catch_runner.hpp
2012-09-21 18:44:22 +01:00

269 lines
9.5 KiB
C++

/*
* Created by Phil on 31/10/2010.
* 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_RUNNER_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_RUNNER_HPP_INCLUDED
#include "internal/catch_commandline.hpp"
#include "internal/catch_list.hpp"
#include "internal/catch_runner_impl.hpp"
#include "internal/catch_test_spec.h"
#include <fstream>
#include <stdlib.h>
#include <limits>
namespace Catch {
class Runner2 { // This will become Runner when Runner becomes Context
public:
Runner2( Config& configWrapper )
: m_configWrapper( configWrapper ),
m_config( configWrapper.data() )
{
resolveStream();
makeReporter();
}
Totals runTests() {
std::vector<TestCaseFilters> filterGroups = m_config.filters;
if( filterGroups.empty() ) {
TestCaseFilters filterGroup( "" );
filterGroups.push_back( filterGroup );
}
Runner context( m_configWrapper, m_reporter ); // This Runner will be renamed Context
Totals totals;
std::vector<TestCaseFilters>::const_iterator it = filterGroups.begin();
std::vector<TestCaseFilters>::const_iterator itEnd = filterGroups.end();
for(; it != itEnd && !context.aborting(); ++it ) {
m_reporter->StartGroup( it->getName() );
totals += runTestsForGroup( context, *it );
if( context.aborting() )
m_reporter->Aborted();
m_reporter->EndGroup( it->getName(), totals );
}
return totals;
}
Totals runTestsForGroup( Runner& context, const TestCaseFilters& filterGroup ) {
Totals totals;
std::vector<TestCaseInfo>::const_iterator it = getRegistryHub().getTestCaseRegistry().getAllTests().begin();
std::vector<TestCaseInfo>::const_iterator itEnd = getRegistryHub().getTestCaseRegistry().getAllTests().end();
int testsRunForGroup = 0;
for(; it != itEnd; ++it ) {
if( filterGroup.shouldInclude( *it ) ) {
testsRunForGroup++;
if( m_testsAlreadyRun.find( *it ) == m_testsAlreadyRun.end() ) {
if( context.aborting() )
break;
totals += context.runTest( *it );
m_testsAlreadyRun.insert( *it );
}
}
}
if( testsRunForGroup == 0 )
std::cerr << "\n[No test cases matched with: " << filterGroup.getName() << "]" << std::endl;
return totals;
}
private:
void resolveStream() {
if( !m_config.stream.empty() ) {
if( m_config.stream[0] == '%' )
m_configWrapper.useStream( m_config.stream.substr( 1 ) );
else
m_configWrapper.setFilename( m_config.stream );
}
// Open output file, if specified
if( !m_config.outputFilename.empty() ) {
m_ofs.open( m_config.outputFilename.c_str() );
if( m_ofs.fail() ) {
std::ostringstream oss;
oss << "Unable to open file: '" << m_config.outputFilename << "'";
throw std::domain_error( oss.str() );
}
m_configWrapper.setStreamBuf( m_ofs.rdbuf() );
}
}
void makeReporter() {
std::string reporterName = m_config.reporter.empty()
? "basic"
: m_config.reporter;
ReporterConfig reporterConfig( m_config.name, m_configWrapper.stream(), m_config.includeWhichResults == Include::SuccessfulResults, m_config );
m_reporter = getRegistryHub().getReporterRegistry().create( reporterName, reporterConfig );
if( !m_reporter ) {
std::ostringstream oss;
oss << "No reporter registered with name: '" << reporterName << "'";
throw std::domain_error( oss.str() );
}
}
private:
Config& m_configWrapper;
const ConfigData& m_config;
std::ofstream m_ofs;
Ptr<IReporter> m_reporter;
std::set<TestCaseInfo> m_testsAlreadyRun;
};
inline int Main( Config& configWrapper ) {
int result = 0;
try
{
Runner2 runner( configWrapper );
const ConfigData& config = configWrapper.data();
// Handle list request
if( config.listSpec != List::None ) {
List( config );
Catch::cleanUp();
return 0;
}
result = static_cast<int>( runner.runTests().assertions.failed );
}
catch( std::exception& ex ) {
std::cerr << ex.what() << std::endl;
result = (std::numeric_limits<int>::max)();
}
Catch::cleanUp();
return result;
}
inline void showUsage( std::ostream& os ) {
AllOptions options;
for( AllOptions::const_iterator it = options.begin(); it != options.end(); ++it ) {
OptionParser& opt = **it;
os << " " << opt.optionNames() << " " << opt.argsSynopsis() << "\n";
}
os << "\nFor more detail usage please see: https://github.com/philsquared/Catch/wiki/Command-line\n" << std::endl;
}
inline void addIndent( std::ostream& os, std::size_t indent ) {
while( indent-- > 0 )
os << ' ';
}
inline void recursivelyWrapLine( std::ostream& os, std::string paragraph, std::size_t columns, std::size_t indent ) {
std::size_t width = columns-indent;
std::size_t tab = 0;
std::size_t wrapPoint = width;
for( std::size_t pos = 0; pos < paragraph.size(); ++pos ) {
if( pos == width ) {
addIndent( os, indent );
os << paragraph.substr( 0, wrapPoint ) << "\n";
return recursivelyWrapLine( os, paragraph.substr( wrapPoint+1 ), columns, indent+tab );
}
if( paragraph[pos] == '\t' ) {
tab = pos;
paragraph = paragraph.substr( 0, tab ) + paragraph.substr( tab+1 );
pos--;
}
else if( paragraph[pos] == ' ' ) {
wrapPoint = pos;
}
}
addIndent( os, indent );
os << paragraph << "\n";
}
inline std::string addLineBreaks( const std::string& str, std::size_t columns, std::size_t indent = 0 ) {
std::ostringstream oss;
std::string::size_type pos = 0;
std::string::size_type newline = str.find_first_of( '\n' );
while( newline != std::string::npos ) {
std::string paragraph = str.substr( pos, newline-pos );
recursivelyWrapLine( oss, paragraph, columns, indent );
pos = newline+1;
newline = str.find_first_of( '\n', pos );
}
if( pos != str.size() )
recursivelyWrapLine( oss, str.substr( pos, str.size()-pos ), columns, indent );
return oss.str();
}
inline void showHelp( const CommandParser& parser ) {
std::string exeName = parser.exeName();
std::string::size_type pos = exeName.find_last_of( "/\\" );
if( pos != std::string::npos ) {
exeName = exeName.substr( pos+1 );
}
AllOptions options;
Options::HelpOptionParser helpOpt;
bool displayedSpecificOption = false;
for( AllOptions::const_iterator it = options.begin(); it != options.end(); ++it ) {
OptionParser& opt = **it;
if( opt.find( parser ) && opt.optionNames() != helpOpt.optionNames() ) {
displayedSpecificOption = true;
std::cout << "\n" << opt.optionNames() << " " << opt.argsSynopsis() << "\n\n"
<< opt.optionSummary() << "\n\n"
<< addLineBreaks( opt.optionDescription(), 80, 2 ) << "\n" << std::endl;
}
}
if( !displayedSpecificOption ) {
std::cout << exeName << " is a CATCH host application. Options are as follows:\n\n";
showUsage( std::cout );
}
}
inline int Main( int argc, char* const argv[], Config& config ) {
try {
CommandParser parser( argc, argv );
if( Command cmd = Options::HelpOptionParser().find( parser ) ) {
if( cmd.argsCount() != 0 )
cmd.raiseError( "Does not accept arguments" );
showHelp( parser );
Catch::cleanUp();
return 0;
}
AllOptions options;
options.parseIntoConfig( parser, config.data() );
}
catch( std::exception& ex ) {
std::cerr << ex.what() << "\n\nUsage: ...\n\n";
showUsage( std::cerr );
Catch::cleanUp();
return (std::numeric_limits<int>::max)();
}
return Main( config );
}
inline int Main( int argc, char* const argv[] ) {
Config config;
// !TBD: This doesn't always work, for some reason
// if( isDebuggerActive() )
// config.useStream( "debug" );
return Main( argc, argv, config );
}
} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_RUNNER_HPP_INCLUDED