catch2/projects/SelfTest/TestMain.cpp

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2010-11-10 00:24:00 +01:00
/*
* 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)
*/
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#define CATCH_CONFIG_MAIN
#include "catch.hpp"
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// Some example tag aliases
CATCH_REGISTER_TAG_ALIAS( "[@nhf]", "[failing]~[.]" )
CATCH_REGISTER_TAG_ALIAS( "[@tricky]", "[tricky]~[.]" )
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#ifdef __clang__
#pragma clang diagnostic ignored "-Wpadded"
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#pragma clang diagnostic ignored "-Wweak-vtables"
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#endif
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template<size_t size>
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void parseIntoConfig( const char * (&argv)[size], Catch::ConfigData& config ) {
Catch::Clara::CommandLine<Catch::ConfigData> parser = Catch::makeCommandLineParser();
parser.parseInto( size, argv, config );
}
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template<size_t size>
std::string parseIntoConfigAndReturnError( const char * (&argv)[size], Catch::ConfigData& config ) {
try {
parseIntoConfig( argv, config );
FAIL( "expected exception" );
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}
catch( std::exception& ex ) {
return ex.what();
}
return "";
}
inline Catch::TestCase fakeTestCase( const char* name, const char* desc = "" ){ return Catch::makeTestCase( NULL, "", name, desc, CATCH_INTERNAL_LINEINFO ); }
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TEST_CASE( "Process can be configured on command line", "[config][command-line]" ) {
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Catch::ConfigData config;
SECTION( "default - no arguments", "" ) {
const char* argv[] = { "test" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
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CHECK( config.shouldDebugBreak == false );
CHECK( config.abortAfter == -1 );
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CHECK( config.noThrow == false );
CHECK( config.reporterName.empty() );
}
SECTION( "test lists", "" ) {
SECTION( "1 test", "Specify one test case using" ) {
const char* argv[] = { "test", "test1" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
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Catch::Config cfg( config );
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REQUIRE( cfg.testSpec().matches( fakeTestCase( "notIncluded" ) ) == false );
REQUIRE( cfg.testSpec().matches( fakeTestCase( "test1" ) ) );
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}
SECTION( "Specify one test case exclusion using exclude:", "" ) {
const char* argv[] = { "test", "exclude:test1" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
Catch::Config cfg( config );
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REQUIRE( cfg.testSpec().matches( fakeTestCase( "test1" ) ) == false );
REQUIRE( cfg.testSpec().matches( fakeTestCase( "alwaysIncluded" ) ) );
}
SECTION( "Specify one test case exclusion using ~", "" ) {
const char* argv[] = { "test", "~test1" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
Catch::Config cfg( config );
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REQUIRE( cfg.testSpec().matches( fakeTestCase( "test1" ) ) == false );
REQUIRE( cfg.testSpec().matches( fakeTestCase( "alwaysIncluded" ) ) );
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}
}
SECTION( "reporter", "" ) {
SECTION( "-r/console", "" ) {
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const char* argv[] = { "test", "-r", "console" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
REQUIRE( config.reporterName == "console" );
}
SECTION( "-r/xml", "" ) {
const char* argv[] = { "test", "-r", "xml" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
REQUIRE( config.reporterName == "xml" );
}
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SECTION( "--reporter/junit", "" ) {
const char* argv[] = { "test", "--reporter", "junit" };
CHECK_NOTHROW( parseIntoConfig( argv, config ) );
REQUIRE( config.reporterName == "junit" );
}
}
SECTION( "debugger", "" ) {
SECTION( "-b", "" ) {
const char* argv[] = { "test", "-b" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
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REQUIRE( config.shouldDebugBreak == true );
}
SECTION( "--break", "" ) {
const char* argv[] = { "test", "--break" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
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REQUIRE( config.shouldDebugBreak );
}
}
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SECTION( "abort", "" ) {
SECTION( "-a aborts after first failure", "" ) {
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const char* argv[] = { "test", "-a" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
REQUIRE( config.abortAfter == 1 );
}
SECTION( "-x 2 aborts after two failures", "" ) {
const char* argv[] = { "test", "-x", "2" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
REQUIRE( config.abortAfter == 2 );
}
SECTION( "-x must be greater than zero", "" ) {
const char* argv[] = { "test", "-x", "0" };
REQUIRE_THAT( parseIntoConfigAndReturnError( argv, config ), Contains( "greater than zero" ) );
}
SECTION( "-x must be numeric", "" ) {
const char* argv[] = { "test", "-x", "oops" };
REQUIRE_THAT( parseIntoConfigAndReturnError( argv, config ), Contains( "-x" ) );
}
}
SECTION( "nothrow", "" ) {
SECTION( "-e", "" ) {
const char* argv[] = { "test", "-e" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
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REQUIRE( config.noThrow == true );
}
SECTION( "--nothrow", "" ) {
const char* argv[] = { "test", "--nothrow" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
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REQUIRE( config.noThrow == true );
}
}
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SECTION( "output filename", "" ) {
SECTION( "-o filename", "" ) {
const char* argv[] = { "test", "-o", "filename.ext" };
CHECK_NOTHROW( parseIntoConfig( argv, config ) );
REQUIRE( config.outputFilename == "filename.ext" );
}
SECTION( "--out", "" ) {
const char* argv[] = { "test", "--out", "filename.ext" };
CHECK_NOTHROW( parseIntoConfig( argv, config ) );
REQUIRE( config.outputFilename == "filename.ext" );
}
}
SECTION( "combinations", "" ) {
SECTION( "Single character flags can be combined", "" ) {
const char* argv[] = { "test", "-abe" };
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CHECK_NOTHROW( parseIntoConfig( argv, config ) );
CHECK( config.abortAfter == 1 );
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CHECK( config.shouldDebugBreak );
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CHECK( config.noThrow == true );
}
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}
}
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TEST_CASE( "Long strings can be wrapped", "[wrap]" ) {
using namespace Catch;
SECTION( "plain string", "" ) {
// guide: 123456789012345678
std::string testString = "one two three four";
SECTION( "No wrapping", "" ) {
CHECK( Text( testString, TextAttributes().setWidth( 80 ) ).toString() == testString );
CHECK( Text( testString, TextAttributes().setWidth( 18 ) ).toString() == testString );
}
SECTION( "Wrapped once", "" ) {
CHECK( Text( testString, TextAttributes().setWidth( 17 ) ).toString() == "one two three\nfour" );
CHECK( Text( testString, TextAttributes().setWidth( 16 ) ).toString() == "one two three\nfour" );
CHECK( Text( testString, TextAttributes().setWidth( 14 ) ).toString() == "one two three\nfour" );
CHECK( Text( testString, TextAttributes().setWidth( 13 ) ).toString() == "one two three\nfour" );
CHECK( Text( testString, TextAttributes().setWidth( 12 ) ).toString() == "one two\nthree four" );
}
SECTION( "Wrapped twice", "" ) {
CHECK( Text( testString, TextAttributes().setWidth( 9 ) ).toString() == "one two\nthree\nfour" );
CHECK( Text( testString, TextAttributes().setWidth( 8 ) ).toString() == "one two\nthree\nfour" );
CHECK( Text( testString, TextAttributes().setWidth( 7 ) ).toString() == "one two\nthree\nfour" );
}
SECTION( "Wrapped three times", "" ) {
CHECK( Text( testString, TextAttributes().setWidth( 6 ) ).toString() == "one\ntwo\nthree\nfour" );
CHECK( Text( testString, TextAttributes().setWidth( 5 ) ).toString() == "one\ntwo\nthree\nfour" );
}
SECTION( "Short wrap", "" ) {
CHECK( Text( "abcdef", TextAttributes().setWidth( 4 ) ).toString() == "abc-\ndef" );
CHECK( Text( "abcdefg", TextAttributes().setWidth( 4 ) ).toString() == "abc-\ndefg" );
CHECK( Text( "abcdefgh", TextAttributes().setWidth( 4 ) ).toString() == "abc-\ndef-\ngh" );
CHECK( Text( testString, TextAttributes().setWidth( 4 ) ).toString() == "one\ntwo\nthr-\nee\nfour" );
CHECK( Text( testString, TextAttributes().setWidth( 3 ) ).toString() == "one\ntwo\nth-\nree\nfo-\nur" );
}
SECTION( "As container", "" ) {
Text text( testString, TextAttributes().setWidth( 6 ) );
REQUIRE( text.size() == 4 );
CHECK( text[0] == "one" );
CHECK( text[1] == "two" );
CHECK( text[2] == "three" );
CHECK( text[3] == "four" );
}
SECTION( "Indent first line differently", "" ) {
Text text( testString, TextAttributes()
.setWidth( 10 )
.setIndent( 4 )
.setInitialIndent( 1 ) );
CHECK( text.toString() == " one two\n three\n four" );
}
}
SECTION( "With newlines", "" ) {
// guide: 1234567890123456789
std::string testString = "one two\nthree four";
SECTION( "No wrapping" , "" ) {
CHECK( Text( testString, TextAttributes().setWidth( 80 ) ).toString() == testString );
CHECK( Text( testString, TextAttributes().setWidth( 18 ) ).toString() == testString );
CHECK( Text( testString, TextAttributes().setWidth( 10 ) ).toString() == testString );
}
SECTION( "Trailing newline" , "" ) {
CHECK( Text( "abcdef\n", TextAttributes().setWidth( 10 ) ).toString() == "abcdef\n" );
CHECK( Text( "abcdef", TextAttributes().setWidth( 6 ) ).toString() == "abcdef" );
CHECK( Text( "abcdef\n", TextAttributes().setWidth( 6 ) ).toString() == "abcdef\n" );
}
SECTION( "Wrapped once", "" ) {
CHECK( Text( testString, TextAttributes().setWidth( 9 ) ).toString() == "one two\nthree\nfour" );
CHECK( Text( testString, TextAttributes().setWidth( 8 ) ).toString() == "one two\nthree\nfour" );
CHECK( Text( testString, TextAttributes().setWidth( 7 ) ).toString() == "one two\nthree\nfour" );
}
SECTION( "Wrapped twice", "" ) {
CHECK( Text( testString, TextAttributes().setWidth( 6 ) ).toString() == "one\ntwo\nthree\nfour" );
}
}
SECTION( "With tabs", "" ) {
// guide: 1234567890123456789
std::string testString = "one two \tthree four five six";
CHECK( Text( testString, TextAttributes().setWidth( 15 ) ).toString()
== "one two three\n four\n five\n six" );
}
}
using namespace Catch;
class ColourString {
public:
struct ColourIndex {
ColourIndex( Colour::Code _colour, std::size_t _fromIndex, std::size_t _toIndex )
: colour( _colour ),
fromIndex( _fromIndex ),
toIndex( _toIndex )
{}
Colour::Code colour;
std::size_t fromIndex;
std::size_t toIndex;
};
ColourString( std::string const& _string )
: string( _string )
{}
ColourString( std::string const& _string, std::vector<ColourIndex> const& _colours )
: string( _string ), colours( _colours )
{}
ColourString& addColour( Colour::Code colour, int _index ) {
colours.push_back( ColourIndex( colour,
resolveRelativeIndex( _index ),
resolveRelativeIndex( _index )+1 ) );
return *this;
}
ColourString& addColour( Colour::Code colour, int _fromIndex, int _toIndex ) {
colours.push_back( ColourIndex( colour,
resolveRelativeIndex(_fromIndex),
resolveLastRelativeIndex( _toIndex ) ) );
return *this;
}
void writeToStream( std::ostream& _stream ) const {
std::size_t last = 0;
for( std::size_t i = 0; i < colours.size(); ++i ) {
ColourIndex const& index = colours[i];
if( index.fromIndex > last )
_stream << string.substr( last, index.fromIndex-last );
{
Colour colourGuard( index.colour );
_stream << string.substr( index.fromIndex, index.toIndex-index.fromIndex );
}
last = index.toIndex;
}
if( last < string.size() )
_stream << string.substr( last );
}
friend std::ostream& operator << ( std::ostream& _stream, ColourString const& _colourString ) {
_colourString.writeToStream( _stream );
return _stream;
}
private:
std::size_t resolveLastRelativeIndex( int _index ) {
std::size_t index = resolveRelativeIndex( _index );
return index == 0 ? string.size() : index;
}
std::size_t resolveRelativeIndex( int _index ) {
return static_cast<std::size_t>( _index >= 0
? _index
: static_cast<int>( string.size() )+_index );
}
std::string string;
std::vector<ColourIndex> colours;
};
// !TBD: This will be folded into Text class
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TEST_CASE( "Strings can be rendered with colour", "[.colour]" ) {
{
ColourString cs( "hello" );
cs .addColour( Colour::Red, 0 )
.addColour( Colour::Green, -1 );
Catch::cout() << cs << std::endl;
}
{
ColourString cs( "hello" );
cs .addColour( Colour::Blue, 1, -2 );
Catch::cout() << cs << std::endl;
}
}
TEST_CASE( "Text can be formatted using the Text class", "" ) {
CHECK( Text( "hi there" ).toString() == "hi there" );
TextAttributes narrow;
narrow.setWidth( 6 );
CHECK( Text( "hi there", narrow ).toString() == "hi\nthere" );
}
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TEST_CASE( "Long text is truncted", "[Text][Truncated]" ) {
std::string longLine( 90, '*' );
std::ostringstream oss;
for(int i = 0; i < 600; ++i )
oss << longLine << longLine << "\n";
Text t( oss.str() );
CHECK_THAT( t.toString(), EndsWith( "... message truncated due to excessive size" ) );
}