mirror of
https://github.com/catchorg/Catch2.git
synced 2024-11-09 15:49:53 +01:00
670 lines
28 KiB
C++
670 lines
28 KiB
C++
/*
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* Created by Phil on 02/11/2010.
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* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef TWOBLUECUBES_CATCH_COMMANDLINE_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_COMMANDLINE_HPP_INCLUDED
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#include "catch_config.hpp"
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#include "catch_common.h"
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namespace Catch {
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class Command {
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public:
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Command(){}
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explicit Command( const std::string& name ) : m_name( name ) {
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}
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Command& operator += ( const std::string& arg ) {
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m_args.push_back( arg );
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return *this;
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}
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Command& operator += ( const Command& other ) {
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std::copy( other.m_args.begin(), other.m_args.end(), std::back_inserter( m_args ) );
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if( m_name.empty() )
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m_name = other.m_name;
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return *this;
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}
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Command operator + ( const Command& other ) {
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Command newCommand( *this );
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newCommand += other;
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return newCommand;
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}
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operator SafeBool::type() const {
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return SafeBool::makeSafe( !m_name.empty() || !m_args.empty() );
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}
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std::string name() const { return m_name; }
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std::string operator[]( std::size_t i ) const { return m_args[i]; }
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std::size_t argsCount() const { return m_args.size(); }
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CATCH_ATTRIBUTE_NORETURN
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void raiseError( const std::string& message ) const {
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std::ostringstream oss;
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if( m_name.empty() )
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oss << "Error while parsing " << m_name << ". " << message << ".";
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else
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oss << "Error while parsing arguments. " << message << ".";
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if( m_args.size() > 0 )
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oss << " Arguments were:";
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for( std::size_t i = 0; i < m_args.size(); ++i )
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oss << " " << m_args[i];
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throw std::domain_error( oss.str() );
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}
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private:
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std::string m_name;
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std::vector<std::string> m_args;
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};
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class CommandParser {
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public:
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CommandParser( int argc, char const * const * argv ) : m_argc( static_cast<std::size_t>( argc ) ), m_argv( argv ) {}
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std::string exeName() const {
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return m_argv[0];
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}
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Command find( const std::string& arg1, const std::string& arg2, const std::string& arg3 ) const {
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return find( arg1 ) + find( arg2 ) + find( arg3 );
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}
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Command find( const std::string& shortArg, const std::string& longArg ) const {
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return find( shortArg ) + find( longArg );
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}
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Command find( const std::string& arg ) const {
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if( arg.empty() )
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return getArgs( "", 1 );
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else
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for( std::size_t i = 1; i < m_argc; ++i )
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if( m_argv[i] == arg )
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return getArgs( m_argv[i], i+1 );
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return Command();
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}
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Command getDefaultArgs() const {
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return getArgs( "", 1 );
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}
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private:
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Command getArgs( const std::string& cmdName, std::size_t from ) const {
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Command command( cmdName );
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for( std::size_t i = from; i < m_argc && m_argv[i][0] != '-'; ++i )
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command += m_argv[i];
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return command;
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}
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std::size_t m_argc;
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char const * const * m_argv;
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};
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class OptionParser : public SharedImpl<IShared> {
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public:
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OptionParser( int minArgs = 0, int maxArgs = 0 )
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: m_minArgs( minArgs ), m_maxArgs( maxArgs )
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{}
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virtual ~OptionParser() {}
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Command find( const CommandParser& parser ) const {
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Command cmd;
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for( std::vector<std::string>::const_iterator it = m_optionNames.begin();
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it != m_optionNames.end();
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++it )
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cmd += parser.find( *it );
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return cmd;
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}
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void validateArgs( const Command& args ) const {
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if( tooFewArgs( args ) || tooManyArgs( args ) ) {
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std::ostringstream oss;
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if( m_maxArgs == -1 )
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oss <<"Expected at least " << pluralise( static_cast<std::size_t>( m_minArgs ), "argument" );
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else if( m_minArgs == m_maxArgs )
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oss <<"Expected " << pluralise( static_cast<std::size_t>( m_minArgs ), "argument" );
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else
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oss <<"Expected between " << m_minArgs << " and " << m_maxArgs << " argument";
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args.raiseError( oss.str() );
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}
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}
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void parseIntoConfig( const CommandParser& parser, ConfigData& config ) {
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if( Command cmd = find( parser ) ) {
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validateArgs( cmd );
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parseIntoConfig( cmd, config );
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}
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) = 0;
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virtual std::string argsSynopsis() const = 0;
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virtual std::string optionSummary() const = 0;
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virtual std::string optionDescription() const { return ""; }
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std::string optionNames() const {
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std::string names;
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for( std::vector<std::string>::const_iterator it = m_optionNames.begin();
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it != m_optionNames.end();
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++it ) {
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if( !it->empty() ) {
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if( !names.empty() )
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names += ", ";
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names += *it;
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}
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else {
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names = "[" + names;
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}
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}
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if( names[0] == '[' )
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names += "]";
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return names;
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}
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protected:
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bool tooFewArgs( const Command& args ) const {
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return args.argsCount() < static_cast<std::size_t>( m_minArgs );
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}
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bool tooManyArgs( const Command& args ) const {
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return m_maxArgs >= 0 && args.argsCount() > static_cast<std::size_t>( m_maxArgs );
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}
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std::vector<std::string> m_optionNames;
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int m_minArgs;
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int m_maxArgs;
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};
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namespace Options {
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class HelpOptionParser : public OptionParser {
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public:
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HelpOptionParser() {
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m_optionNames.push_back( "-?" );
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m_optionNames.push_back( "-h" );
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m_optionNames.push_back( "--help" );
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}
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virtual std::string argsSynopsis() const {
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return "[<option for help on> ...]";
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}
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virtual std::string optionSummary() const {
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return "Shows this usage summary, or help on a specific option, or options, if supplied";
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}
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virtual std::string optionDescription() const {
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return "";
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}
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virtual void parseIntoConfig( const Command&, ConfigData& ) {
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// Does not affect config
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}
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};
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class TestCaseOptionParser : public OptionParser {
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public:
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TestCaseOptionParser() : OptionParser( 1, -1 ) {
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m_optionNames.push_back( "-t" );
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m_optionNames.push_back( "--test" );
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m_optionNames.push_back( "" ); // default option
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}
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virtual std::string argsSynopsis() const {
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return "<testspec> [<testspec>...]";
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}
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virtual std::string optionSummary() const {
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return "Specifies which test case or cases to run";
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}
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// Lines are split at the nearest prior space char to the 80 char column.
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// Tab chars are removed from the output but their positions are used to align
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// subsequently wrapped lines
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virtual std::string optionDescription() const {
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return
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"This option allows one ore more test specs to be supplied. Each spec either fully "
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"specifies a test case or is a pattern containing wildcards to match a set of test "
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"cases. If this option is not provided then all test cases, except those prefixed "
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"by './' are run\n"
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"\n"
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"Specs must be enclosed in \"quotes\" if they contain spaces. If they do not "
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"contain spaces the quotes are optional.\n"
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"\n"
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"Wildcards consist of the * character at the beginning, end, or both and can substitute for "
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"any number of any characters (including none)\n"
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"\n"
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"If spec is prefixed with exclude: or the ~ character then the pattern matches an exclusion. "
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"This means that tests matching the pattern are excluded from the set - even if a prior "
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"inclusion spec included them. Subsequent inclusion specs will take precedence, however. "
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"Inclusions and exclusions are evaluated in left-to-right order.\n"
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"\n"
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"Examples:\n"
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"\n"
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" -t thisTestOnly \tMatches the test case called, 'thisTestOnly'\n"
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" -t \"this test only\" \tMatches the test case called, 'this test only'\n"
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" -t these/* \tMatches all cases starting with 'these/'\n"
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" -t exclude:notThis \tMatches all tests except, 'notThis'\n"
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" -t ~notThis \tMatches all tests except, 'notThis'\n"
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" -t ~*private* \tMatches all tests except those that contain 'private'\n"
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" -t a/* ~a/b/* a/b/c \tMatches all tests that start with 'a/', except those "
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"that start with 'a/b/', except 'a/b/c', which is included";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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std::string groupName;
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for( std::size_t i = 0; i < cmd.argsCount(); ++i ) {
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if( i != 0 )
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groupName += " ";
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groupName += cmd[i];
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}
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TestCaseFilters filters( groupName );
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for( std::size_t i = 0; i < cmd.argsCount(); ++i )
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filters.addFilter( TestCaseFilter( cmd[i] ) );
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config.filters.push_back( filters );
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}
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};
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class TagOptionParser : public OptionParser {
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public:
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TagOptionParser() : OptionParser( 1, -1 ) {
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m_optionNames.push_back( "-g" );
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m_optionNames.push_back( "--tag" );
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}
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virtual std::string argsSynopsis() const {
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return "<tagspec> [,<tagspec>...]";
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}
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virtual std::string optionSummary() const {
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return "Matches test cases against tags or tag patterns";
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}
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// Lines are split at the nearest prior space char to the 80 char column.
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// Tab chars are removed from the output but their positions are used to align
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// subsequently wrapped lines
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virtual std::string optionDescription() const {
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return
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"This option allows one or more tags or tag patterns to be specified.\n"
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"Each tag is enclosed in square brackets. A series of tags form an AND expression "
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"wheras a comma seperated sequence forms an OR expression. e.g.:\n\n"
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" -g [one][two],[three]\n\n"
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"This matches all tests tagged [one] and [two], as well as all tests tagged [three].\n\n"
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"Tags can be negated with the ~ character. This removes matching tests from the set. e.g.:\n\n"
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" -g [one]~[two]\n\n"
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"matches all tests tagged [one], except those also tagged [two]";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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std::string groupName;
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for( std::size_t i = 0; i < cmd.argsCount(); ++i ) {
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if( i != 0 )
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groupName += " ";
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groupName += cmd[i];
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}
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TestCaseFilters filters( groupName );
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for( std::size_t i = 0; i < cmd.argsCount(); ++i )
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filters.addTags( cmd[i] );
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config.filters.push_back( filters );
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}
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};
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class ListOptionParser : public OptionParser {
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public:
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ListOptionParser() : OptionParser( 0, 2 ) {
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m_optionNames.push_back( "-l" );
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m_optionNames.push_back( "--list" );
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}
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virtual std::string argsSynopsis() const {
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return "[all | tests | reporters [xml]]";
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}
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virtual std::string optionSummary() const {
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return "Lists available tests or reporters";
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}
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virtual std::string optionDescription() const {
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return
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"With no arguments this option will list all registered tests - one per line.\n"
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"Supplying the xml argument formats the list as an xml document (which may be useful for "
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"consumption by other tools).\n"
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"Supplying the tests or reporters lists tests or reporters respectively - with descriptions.\n"
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"\n"
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"Examples:\n"
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"\n"
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" -l\n"
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" -l tests\n"
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" -l reporters xml\n"
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" -l xml";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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config.listSpec = List::TestNames;
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if( cmd.argsCount() >= 1 ) {
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if( cmd[0] == "all" )
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config.listSpec = List::All;
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else if( cmd[0] == "tests" )
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config.listSpec = List::Tests;
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else if( cmd[0] == "reporters" )
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config.listSpec = List::Reports;
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else
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cmd.raiseError( "Expected [tests] or [reporters]" );
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}
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if( cmd.argsCount() >= 2 ) {
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if( cmd[1] == "xml" )
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config.listSpec = static_cast<List::What>( config.listSpec | List::AsXml );
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else if( cmd[1] == "text" )
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config.listSpec = static_cast<List::What>( config.listSpec | List::AsText );
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else
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cmd.raiseError( "Expected [xml] or [text]" );
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}
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}
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};
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class ReporterOptionParser : public OptionParser {
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public:
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ReporterOptionParser() : OptionParser( 1, 1 ) {
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m_optionNames.push_back( "-r" );
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m_optionNames.push_back( "--reporter" );
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}
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virtual std::string argsSynopsis() const {
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return "<reporter name>";
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}
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virtual std::string optionSummary() const {
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return "Specifies type of reporter";
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}
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virtual std::string optionDescription() const {
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return
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"A reporter is an object that formats and structures the output of running "
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"tests, and potentially summarises the results. By default a basic reporter "
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"is used that writes IDE friendly results. CATCH comes bundled with some "
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"alternative reporters, but more can be added in client code.\n"
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"\n"
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"The bundled reporters are:\n"
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" -r basic\n"
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" -r xml\n"
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" -r junit\n"
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"\n"
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"The JUnit reporter is an xml format that follows the structure of the JUnit "
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"XML Report ANT task, as consumed by a number of third-party tools, "
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"including Continuous Integration servers such as Jenkins.\n"
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"If not otherwise needed, the standard XML reporter is preferred as this is "
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"a streaming reporter, whereas the Junit reporter needs to hold all its "
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"results until the end so it can write the overall results into attributes "
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"of the root node.";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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config.reporter = cmd[0];
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}
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};
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class OutputOptionParser : public OptionParser {
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public:
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OutputOptionParser() : OptionParser( 1, 1 ) {
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m_optionNames.push_back( "-o" );
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m_optionNames.push_back( "--out" );
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}
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virtual std::string argsSynopsis() const {
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return "<file name>|<%stream name>";
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}
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virtual std::string optionSummary() const {
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return "Sends output to a file or stream";
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}
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virtual std::string optionDescription() const {
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return
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"Use this option to send all output to a file or a stream. By default output is "
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"sent to stdout (note that uses of stdout and stderr from within test cases are "
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"redirected and included in the report - so even stderr will effectively end up "
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"on stdout). If the name begins with % it is interpreted as a stream. "
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"Otherwise it is treated as a filename.\n"
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"\n"
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"Examples are:\n"
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"\n"
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" -o filename.txt\n"
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" -o \"long filename.txt\"\n"
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" -o %stdout\n"
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" -o %stderr\n"
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" -o %debug \t(The IDE's debug output window - currently only Windows' "
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"OutputDebugString is supported).";
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}
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virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
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if( cmd[0][0] == '%' )
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config.stream = cmd[0].substr( 1 );
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else
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config.outputFilename = cmd[0];
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}
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};
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class SuccessOptionParser : public OptionParser {
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public:
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SuccessOptionParser() {
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m_optionNames.push_back( "-s" );
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m_optionNames.push_back( "--success" );
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}
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virtual std::string argsSynopsis() const {
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return "";
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}
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virtual std::string optionSummary() const {
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return "Shows results for successful tests";
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}
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virtual std::string optionDescription() const {
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return
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"Usually you only want to see reporting for failed tests. Sometimes it's useful "
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"to see all the output (especially when you don't trust that that test you just "
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"added worked first time!). To see successful, as well as failing, test results "
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"just pass this option.";
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}
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virtual void parseIntoConfig( const Command&, ConfigData& config ) {
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config.includeWhichResults = Include::SuccessfulResults;
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}
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};
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class DebugBreakOptionParser : public OptionParser {
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public:
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DebugBreakOptionParser() {
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m_optionNames.push_back( "-b" );
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m_optionNames.push_back( "--break" );
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}
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virtual std::string argsSynopsis() const {
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return "";
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}
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virtual std::string optionSummary() const {
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return "Breaks into the debugger on failure";
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}
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virtual std::string optionDescription() const {
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return
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"In some IDEs (currently XCode and Visual Studio) it is possible for CATCH to "
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"break into the debugger on a test failure. This can be very helpful during "
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"debug sessions - especially when there is more than one path through a "
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"particular test. In addition to the command line option, ensure you have "
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"built your code with the DEBUG preprocessor symbol";
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}
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virtual void parseIntoConfig( const Command&, ConfigData& config ) {
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config.shouldDebugBreak = true;
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}
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};
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class NameOptionParser : public OptionParser {
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public:
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NameOptionParser() : OptionParser( 1, 1 ) {
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m_optionNames.push_back( "-n" );
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m_optionNames.push_back( "--name" );
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}
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virtual std::string argsSynopsis() const {
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return "<name>";
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}
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virtual std::string optionSummary() const {
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return "Names a test run";
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}
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virtual std::string optionDescription() const {
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return
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|
"If a name is supplied it will be used by the reporter to provide an overall "
|
|
"name for the test run. This can be useful if you are sending to a file, for "
|
|
"example, and need to distinguish different test runs - either from different "
|
|
"Catch executables or runs of the same executable with different options.\n"
|
|
"\n"
|
|
"Examples:\n"
|
|
"\n"
|
|
" -n testRun\n"
|
|
" -n \"tests of the widget component\"";
|
|
}
|
|
|
|
virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
|
|
config.name = cmd[0];
|
|
}
|
|
};
|
|
|
|
class AbortOptionParser : public OptionParser {
|
|
public:
|
|
AbortOptionParser() : OptionParser( 0, 1 ) {
|
|
m_optionNames.push_back( "-a" );
|
|
m_optionNames.push_back( "--abort" );
|
|
}
|
|
virtual std::string argsSynopsis() const {
|
|
return "[#]";
|
|
}
|
|
virtual std::string optionSummary() const {
|
|
return "Aborts after a certain number of failures";
|
|
}
|
|
virtual std::string optionDescription() const {
|
|
return
|
|
"If a REQUIRE assertion fails the test case aborts, but subsequent test cases "
|
|
"are still run. If a CHECK assertion fails even the current test case is not "
|
|
"aborted.\n"
|
|
"\n"
|
|
"Sometimes this results in a flood of failure messages and you'd rather just "
|
|
"see the first few. Specifying -a or --abort on its own will abort the whole "
|
|
"test run on the first failed assertion of any kind. Following it with a "
|
|
"number causes it to abort after that number of assertion failures.";
|
|
}
|
|
|
|
virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
|
|
int threshold = 1;
|
|
if( cmd.argsCount() == 1 ) {
|
|
std::stringstream ss;
|
|
ss << cmd[0];
|
|
ss >> threshold;
|
|
if( ss.fail() || threshold <= 0 )
|
|
cmd.raiseError( "threshold must be a number greater than zero" );
|
|
}
|
|
config.cutoff = threshold;
|
|
}
|
|
};
|
|
|
|
class NoThrowOptionParser : public OptionParser {
|
|
public:
|
|
NoThrowOptionParser() {
|
|
m_optionNames.push_back( "-nt" );
|
|
m_optionNames.push_back( "--nothrow" );
|
|
}
|
|
virtual std::string argsSynopsis() const {
|
|
return "";
|
|
}
|
|
virtual std::string optionSummary() const {
|
|
return "Elides assertions expected to throw";
|
|
}
|
|
virtual std::string optionDescription() const {
|
|
return
|
|
"Skips all assertions that test that an exception is thrown, "
|
|
"e.g. REQUIRE_THROWS.\n"
|
|
"\n"
|
|
"These can be a nuisance in certain debugging environments that may break when "
|
|
"exceptions are thrown (while this is usually optional for handled exceptions, "
|
|
"it can be useful to have enabled if you are trying to track down something "
|
|
"unexpected).\n"
|
|
"\n"
|
|
"When running with this option the throw checking assertions are skipped so "
|
|
"as not to contribute additional noise.";
|
|
}
|
|
|
|
virtual void parseIntoConfig( const Command&, ConfigData& config ) {
|
|
config.allowThrows = false;
|
|
}
|
|
};
|
|
|
|
class WarningsOptionParser : public OptionParser {
|
|
public:
|
|
WarningsOptionParser() : OptionParser( 1, -1 ) {
|
|
m_optionNames.push_back( "-w" );
|
|
m_optionNames.push_back( "--warnings" );
|
|
}
|
|
virtual std::string argsSynopsis() const {
|
|
return "<warning>";
|
|
}
|
|
virtual std::string optionSummary() const {
|
|
return "Enable warnings";
|
|
}
|
|
virtual std::string optionDescription() const {
|
|
return
|
|
"Enables the named warnings. If the warnings are violated the test case is "
|
|
"failed.\n"
|
|
"\n"
|
|
"At present only one warning has been provided: NoAssertions. If this warning "
|
|
"is enabled then any test case that completes without an assertions (CHECK, "
|
|
"REQUIRE etc) being encountered violates the warning.\n"
|
|
"\n"
|
|
"e.g.:\n"
|
|
"\n"
|
|
" -w NoAssertions";
|
|
}
|
|
|
|
virtual void parseIntoConfig( const Command& cmd, ConfigData& config ) {
|
|
for( std::size_t i = 0; i < cmd.argsCount(); ++i ) {
|
|
if( cmd[i] == "NoAssertions" )
|
|
config.warnings = (ConfigData::WarnAbout::What)( config.warnings | ConfigData::WarnAbout::NoAssertions );
|
|
else
|
|
cmd.raiseError( "Unrecognised warning: " + cmd[i] );
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
class AllOptions
|
|
{
|
|
public:
|
|
typedef std::vector<Ptr<OptionParser> > Parsers;
|
|
typedef Parsers::const_iterator const_iterator;
|
|
typedef Parsers::const_iterator iterator;
|
|
|
|
AllOptions() {
|
|
add<Options::TestCaseOptionParser>(); // Keep this one first
|
|
|
|
add<Options::TagOptionParser>();
|
|
add<Options::ListOptionParser>();
|
|
add<Options::ReporterOptionParser>();
|
|
add<Options::OutputOptionParser>();
|
|
add<Options::SuccessOptionParser>();
|
|
add<Options::DebugBreakOptionParser>();
|
|
add<Options::NameOptionParser>();
|
|
add<Options::AbortOptionParser>();
|
|
add<Options::NoThrowOptionParser>();
|
|
add<Options::WarningsOptionParser>();
|
|
|
|
add<Options::HelpOptionParser>(); // Keep this one last
|
|
}
|
|
|
|
void parseIntoConfig( const CommandParser& parser, ConfigData& config ) {
|
|
for( const_iterator it = m_parsers.begin(); it != m_parsers.end(); ++it )
|
|
(*it)->parseIntoConfig( parser, config );
|
|
}
|
|
|
|
const_iterator begin() const {
|
|
return m_parsers.begin();
|
|
}
|
|
const_iterator end() const {
|
|
return m_parsers.end();
|
|
}
|
|
private:
|
|
|
|
template<typename T>
|
|
void add() {
|
|
m_parsers.push_back( new T() );
|
|
}
|
|
Parsers m_parsers;
|
|
|
|
};
|
|
|
|
} // end namespace Catch
|
|
|
|
#endif // TWOBLUECUBES_CATCH_COMMANDLINE_HPP_INCLUDED
|