Catch/projects/SelfTest/CmdLineTests.cpp

384 lines
11 KiB
C++

/*
* Created by Phil on 22/10/2010.
* Copyright 2010 Two Blue Cubes Ltd
*
* 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)
*/
#ifdef __clang__
#pragma clang diagnostic ignored "-Wpadded"
#endif
#include "internal/clara.h"
#include "catch.hpp"
// Helper to deduce size from array literals and pass on to parser
template<size_t size, typename ConfigT>
std::vector<Clara::Parser::Token> parseInto( Clara::CommandLine<ConfigT>& cli, char const* (&argv)[size], ConfigT& config ) {
return cli.parseInto( size, argv, config );
}
struct TestOpt {
TestOpt() : number( 0 ), index( 0 ), flag( false ) {}
std::string fileName;
int number;
int index;
bool flag;
std::string firstPos;
std::string secondPos;
std::string unpositional;
void setValidIndex( int i ) {
if( i < 0 || i > 10 )
throw std::domain_error( "index must be between 0 and 10" );
index = i;
}
};
struct TestOpt2 {
std::string description;
};
#ifdef CATCH_CONFIG_VARIADIC_MACROS
TEST_CASE( "cmdline" ) {
TestOpt config;
Clara::CommandLine<TestOpt> cli;
cli.bind( &TestOpt::fileName )
.describe( "specifies output file" )
.shortOpt( "o" )
.longOpt( "output" )
.argName( "filename" );
SECTION( "arg separated by spaces" ) {
const char* argv[] = { "test", "-o filename.ext" };
parseInto( cli, argv, config );
CHECK( config.fileName == "filename.ext" );
}
SECTION( "arg separated by colon" ) {
const char* argv[] = { "test", "-o:filename.ext" };
parseInto( cli, argv, config );
CHECK( config.fileName == "filename.ext" );
}
SECTION( "arg separated by =" ) {
const char* argv[] = { "test", "-o=filename.ext" };
parseInto( cli, argv, config );
CHECK( config.fileName == "filename.ext" );
}
SECTION( "long opt" ) {
const char* argv[] = { "test", "--output %stdout" };
parseInto( cli, argv, config );
CHECK( config.fileName == "%stdout" );
}
cli.bind( &TestOpt::number )
.shortOpt( "n" )
.argName( "an integral value" );
SECTION( "a number" ) {
const char* argv[] = { "test", "-n 42" };
parseInto( cli, argv, config );
CHECK( config.number == 42 );
}
SECTION( "not a number" ) {
const char* argv[] = { "test", "-n forty-two" };
CHECK_THROWS( parseInto( cli, argv, config ) );
CHECK( config.number == 0 );
}
SECTION( "two parsers" ) {
TestOpt config1;
TestOpt2 config2;
Clara::CommandLine<TestOpt2> cli2;
cli2.bind( &TestOpt2::description )
.describe( "description" )
.shortOpt( "d" )
.longOpt( "description" )
.argName( "some text" );
const char* argv[] = { "test", "-n 42", "-d some text" };
std::vector<Clara::Parser::Token> unusedTokens = parseInto( cli, argv, config1 );
CHECK( config1.number == 42 );
REQUIRE_FALSE( unusedTokens.empty() );
cli2.populate( unusedTokens, config2 );
CHECK( config2.description == "some text" );
}
SECTION( "methods" ) {
cli.bind( &TestOpt::setValidIndex )
.describe( "An index, which is an integer between 0 and 10, inclusive" )
.shortOpt( "i" )
.argName( "index" );
SECTION( "in range" ) {
const char* argv[] = { "test", "-i 3" };
parseInto( cli, argv, config );
REQUIRE( config.index == 3 );
}
SECTION( "out of range" ) {
const char* argv[] = { "test", "-i 42" };
REQUIRE_THROWS( parseInto( cli, argv, config ) );
}
}
SECTION( "flags" ) {
cli.bind( &TestOpt::flag )
.describe( "A flag" )
.shortOpt( "f" );
SECTION( "set" ) {
const char* argv[] = { "test", "-f" };
parseInto( cli, argv, config );
REQUIRE( config.flag );
}
SECTION( "not set" ) {
const char* argv[] = { "test" };
parseInto( cli, argv, config );
REQUIRE( config.flag == false );
}
}
SECTION( "positional" ) {
cli.bind( &TestOpt::secondPos )
.describe( "Second position" )
.argName( "second arg" )
.position( 2 );
cli.bind( &TestOpt::unpositional )
.argName( "any arg" )
.describe( "Unpositional" );
cli.bind( &TestOpt::firstPos )
.describe( "First position" )
.argName( "first arg" )
.position( 1 );
std::cout << cli.usage( "testApp" ) << std::endl;
const char* argv[] = { "test", "-f", "1st", "-o", "filename", "2nd", "3rd" };
parseInto( cli, argv, config );
REQUIRE( config.firstPos == "1st" );
REQUIRE( config.secondPos == "2nd" );
REQUIRE( config.unpositional == "3rd" );
}
}
struct Config {
struct Verbosity { enum Level { NoOutput = 0, Quiet, Normal }; };
struct Warning { enum Types { Nothing = 0x00, NoAssertions = 0x01 }; };
Config()
: listTests( false ),
listTags( false ),
listReporters( false ),
showSuccessfulTests( false ),
breakIntoDebugger( false ),
noThrow( false ),
showHelp( false ),
abortAfter( 0 ),
verbosity( Verbosity::Normal )
{}
bool listTests;
bool listTags;
bool listReporters;
bool showSuccessfulTests;
bool breakIntoDebugger;
bool noThrow;
bool showHelp;
int abortAfter;
Verbosity::Level verbosity;
Warning::Types warnings;
std::string reporterName;
std::string fileName;
std::string suiteName;
std::vector<std::string> testsOrTags;
};
inline void abortAfterFirst( Config& config ) { config.abortAfter = 1; }
inline void abortAfterX( Config& config, int x ) { config.abortAfter = x; }
inline void addTestOrTags( Config& config, std::string const& _testSpec ) { config.testsOrTags.push_back( _testSpec ); }
inline void addWarning( Config& config, std::string const& _warning ) {
if( _warning == "NoAssertions" )
config.warnings = (Config::Warning::Types)( config.warnings | Config::Warning::NoAssertions );
else
throw std::runtime_error( "Unrecognised warning: '" + _warning + "'" );
}
inline void setVerbosity( Config& config, int level ) {
// !TBD: accept strings?
config.verbosity = (Config::Verbosity::Level)level;
}
SCENARIO( "New Catch commandline interface", "[cli]" ) {
GIVEN( "A built cli parser for Catch" ) {
Clara::CommandLine<Config> cli;
cli.bind( &Config::showHelp )
.describe( "display usage information" )
.shortOpt( "?")
.shortOpt( "h")
.longOpt( "help" );
cli.bind( &Config::listTests )
.describe( "list all (or matching) test cases" )
.shortOpt( "l")
.longOpt( "list-tests" );
cli.bind( &Config::listTags )
.describe( "list all (or matching) tags" )
.shortOpt( "t")
.longOpt( "list-tags" );
cli.bind( &Config::listTags )
.describe( "list all reporters" )
.longOpt( "list-reporters" );
cli.bind( &Config::showSuccessfulTests )
.describe( "include successful tests in output" )
.shortOpt( "s")
.longOpt( "success" );
cli.bind( &Config::breakIntoDebugger )
.describe( "break into debugger on failure" )
.shortOpt( "b")
.longOpt( "break" );
cli.bind( &Config::noThrow )
.describe( "Skip exception tests" )
.shortOpt( "e")
.longOpt( "nothrow" );
cli.bind( &Config::fileName )
.describe( "output filename" )
.shortOpt( "o")
.longOpt( "out" )
.argName( "filename" );
cli.bind( &Config::reporterName )
.describe( "reporter to use - defaults to console" )
.shortOpt( "r")
.longOpt( "reporter" )
.argName( "name[:filename]" );
cli.bind( &Config::suiteName )
.describe( "suite name" )
.shortOpt( "n")
.longOpt( "name" )
.argName( "name" );
cli.bind( &abortAfterFirst )
.describe( "abort at first failure" )
.shortOpt( "a")
.longOpt( "abort" );
cli.bind( &abortAfterX )
.describe( "abort after x failures" )
.shortOpt( "x")
.longOpt( "abortx" )
.argName( "number of failures" );
cli.bind( &addWarning )
.describe( "enable warnings" )
.shortOpt( "w")
.longOpt( "warn" )
.argName( "warning name" );
cli.bind( &setVerbosity )
.describe( "level of verbosity (0=no output)" )
.shortOpt( "v")
.longOpt( "verbosity" )
.argName( "level" );
cli.bind( &addTestOrTags )
.describe( "which test or tests to use" )
.argName( "test name, pattern or tags" );
WHEN( "We ask for usage strings" )
THEN( "It prints the usage strings" )
std::cout << cli.usage( "CatchTestApp" ) << std::endl;
Config config;
WHEN( "Multiple flags are combined" ) {
CHECK_FALSE( config.showSuccessfulTests );
CHECK_FALSE( config.noThrow );
CHECK_FALSE( config.breakIntoDebugger );
const char* argv[] = { "test", "-seb" };
parseInto( cli, argv, config );
THEN( "All the flags are set" ) {
CHECK( config.showSuccessfulTests );
CHECK( config.noThrow );
CHECK( config.breakIntoDebugger );
}
}
WHEN( "A flag is set via a nullary method" ) {
CHECK( config.abortAfter == 0 );
const char* argv[] = { "test", "-a" };
parseInto( cli, argv, config );
THEN( "The flag is set" )
REQUIRE( config.abortAfter == 1 );
}
WHEN( "A flag is set via a unary method" ) {
CHECK( config.abortAfter == 0 );
const char* argv[] = { "test", "-x", "2" };
parseInto( cli, argv, config );
THEN( "The flag is set" )
REQUIRE( config.abortAfter == 2 );
}
WHEN( "A positional argument is supplied" ) {
const char* argv[] = { "test", "[hello]" };
parseInto( cli, argv, config );
THEN( "The argument is in the testOrTags collection" ) {
REQUIRE( config.testsOrTags.size() == 1 );
REQUIRE( config.testsOrTags[0] == "[hello]" );
}
}
WHEN( "And enum opt is set by numeric value" ) {
CHECK( config.verbosity == Config::Verbosity::Normal );
const char* argv[] = { "test", "-v 0" };
parseInto( cli, argv, config );
THEN( "The member is set to the enum value" )
REQUIRE( config.verbosity == Config::Verbosity::NoOutput );
}
}
}
#endif