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Add TAP reporter
This is a hackish attempt to add a TAP reporter (see philsquared/Catch#309 ) by following the TAP 12 specification <http://testanything.org/tap-specification.html>. I'm unsure how well I did in following the spec or with following good C++ guidelines. Comments are appreciated. Signed-off-by: Colton Wolkins (Ogre) <frostyfrog2@gmail.com>
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Colton Wolkins (Ogre)
parent
c9a188df45
commit
b3c9d58484
309
include/reporters/catch_reporter_tap.hpp
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309
include/reporters/catch_reporter_tap.hpp
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/*
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* Created by Martin Moene on 2013-12-05.
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* Copyright 2012 Martin Moene. 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_REPORTER_TAP_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_REPORTER_TAP_HPP_INCLUDED
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#include "catch_reporter_bases.hpp"
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#include <algorithm>
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#include "../internal/catch_reporter_registrars.hpp"
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#include "../internal/catch_console_colour.hpp"
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namespace Catch {
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struct TAPReporter : StreamingReporterBase {
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TAPReporter( ReporterConfig const& _config )
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: StreamingReporterBase( _config )
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{}
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virtual ~TAPReporter();
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static std::string getDescription() {
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return "Reports test results in TAP format, suitable for test harneses";
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}
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virtual ReporterPreferences getPreferences() const {
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ReporterPreferences prefs;
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prefs.shouldRedirectStdOut = false;
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return prefs;
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}
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virtual void noMatchingTestCases( std::string const& spec ) {
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stream << "# No test cases matched '" << spec << "'" << std::endl;
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}
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virtual void assertionStarting( AssertionInfo const& ) {
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}
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virtual bool assertionEnded( AssertionStats const& _assertionStats ) {
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AssertionResult const& result = _assertionStats.assertionResult;
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bool printInfoMessages = true;
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// Drop out if result was successful and we're not printing those
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if( !m_config->includeSuccessfulResults() && result.isOk() ) {
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if( result.getResultType() != ResultWas::Warning )
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return false;
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printInfoMessages = false;
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}
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AssertionPrinter printer( stream, _assertionStats, printInfoMessages, ++counter );
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printer.print();
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stream << " # " << currentTestCaseInfo->name ;
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stream << std::endl;
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return true;
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}
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virtual void testRunEnded( TestRunStats const& _testRunStats ) {
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printTotals( _testRunStats.totals );
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stream << "\n" << std::endl;
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StreamingReporterBase::testRunEnded( _testRunStats );
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}
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private:
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size_t counter = 0;
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class AssertionPrinter {
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void operator= ( AssertionPrinter const& );
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public:
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AssertionPrinter( std::ostream& _stream, AssertionStats const& _stats, bool _printInfoMessages, size_t counter = 0 )
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: stream( _stream )
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, stats( _stats )
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, result( _stats.assertionResult )
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, messages( _stats.infoMessages )
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, itMessage( _stats.infoMessages.begin() )
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, printInfoMessages( _printInfoMessages )
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, counter(counter)
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{}
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void print() {
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//printSourceInfo();
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itMessage = messages.begin();
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switch( result.getResultType() ) {
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case ResultWas::Ok:
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printResultType( Colour::ResultSuccess, passedString() );
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printOriginalExpression();
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//printReconstructedExpression();
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if ( ! result.hasExpression() )
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printRemainingMessages( Colour::None );
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else
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printRemainingMessages();
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break;
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case ResultWas::ExpressionFailed:
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//if( result.isOk() )
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// printResultType( Colour::ResultSuccess, failedString() + std::string( " # TODO" ) );
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//else
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printResultType( Colour::Error, failedString() );
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printOriginalExpression();
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//printReconstructedExpression();
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if( result.isOk() )
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printIssue( " # TODO" );
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printRemainingMessages();
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break;
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case ResultWas::ThrewException:
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printResultType( Colour::Error, failedString() );
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printIssue( "unexpected exception with message:" );
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printMessage();
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printExpressionWas();
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printRemainingMessages();
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break;
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case ResultWas::FatalErrorCondition:
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printResultType( Colour::Error, failedString() );
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printIssue( "fatal error condition with message:" );
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printMessage();
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printExpressionWas();
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printRemainingMessages();
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break;
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case ResultWas::DidntThrowException:
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printResultType( Colour::Error, failedString() );
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printIssue( "expected exception, got none" );
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printExpressionWas();
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printRemainingMessages();
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break;
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case ResultWas::Info:
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printResultType( Colour::None, "info" );
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printMessage();
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printRemainingMessages();
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break;
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case ResultWas::Warning:
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printResultType( Colour::None, "warning" );
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printMessage();
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printRemainingMessages();
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break;
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case ResultWas::ExplicitFailure:
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printResultType( Colour::Error, failedString() );
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printIssue( "explicitly" );
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printRemainingMessages( Colour::None );
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break;
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// These cases are here to prevent compiler warnings
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case ResultWas::Unknown:
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case ResultWas::FailureBit:
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case ResultWas::Exception:
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printResultType( Colour::Error, "** internal error **" );
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break;
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}
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}
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private:
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// Colour::LightGrey
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static Colour::Code dimColour() { return Colour::FileName; }
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static const char* failedString() { return "not ok"; }
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static const char* passedString() { return "ok"; }
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void printSourceInfo() const {
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Colour colourGuard( Colour::FileName );
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stream << result.getSourceInfo() << ":";
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}
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void printResultType( Colour::Code colour, std::string passOrFail ) const {
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if( !passOrFail.empty() ) {
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{
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//Colour colourGuard( colour );
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stream << passOrFail << " " << counter;
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}
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stream << " -";
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}
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}
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void printIssue( std::string issue ) const {
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stream << " " << issue;
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}
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void printExpressionWas() {
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if( result.hasExpression() ) {
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stream << ";";
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{
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Colour colour( dimColour() );
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stream << " expression was:";
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}
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printOriginalExpression();
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}
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}
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void printOriginalExpression() const {
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if( result.hasExpression() ) {
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stream << " " << result.getExpression();
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}
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}
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void printReconstructedExpression() const {
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if( result.hasExpandedExpression() ) {
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{
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Colour colour( dimColour() );
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stream << " for: ";
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}
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std::string expr = result.getExpandedExpression();
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std::replace( expr.begin(), expr.end(), '\n', ' ');
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stream << expr;
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}
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}
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void printMessage() {
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if ( itMessage != messages.end() ) {
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stream << " '" << itMessage->message << "'";
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++itMessage;
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}
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}
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void printRemainingMessages( Colour::Code colour = dimColour() ) {
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if ( itMessage == messages.end() )
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return;
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// using messages.end() directly yields compilation error:
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std::vector<MessageInfo>::const_iterator itEnd = messages.end();
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const std::size_t N = static_cast<std::size_t>( std::distance( itMessage, itEnd ) );
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{
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Colour colourGuard( colour );
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stream << " with " << pluralise( N, "message" ) << ":";
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}
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for(; itMessage != itEnd; ) {
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// If this assertion is a warning ignore any INFO messages
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if( printInfoMessages || itMessage->type != ResultWas::Info ) {
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stream << " '" << itMessage->message << "'";
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if ( ++itMessage != itEnd ) {
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Colour colourGuard( dimColour() );
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stream << " and";
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}
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}
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}
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}
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private:
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std::ostream& stream;
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AssertionStats const& stats;
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AssertionResult const& result;
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std::vector<MessageInfo> messages;
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std::vector<MessageInfo>::const_iterator itMessage;
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bool printInfoMessages;
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size_t counter;
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};
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// Colour, message variants:
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// - white: No tests ran.
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// - red: Failed [both/all] N test cases, failed [both/all] M assertions.
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// - white: Passed [both/all] N test cases (no assertions).
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// - red: Failed N tests cases, failed M assertions.
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// - green: Passed [both/all] N tests cases with M assertions.
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std::string bothOrAll( std::size_t count ) const {
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return count == 1 ? "" : count == 2 ? "both " : "all " ;
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}
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void printTotals( const Totals& totals ) const {
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if( totals.testCases.total() == 0 ) {
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stream << "1..0 # Skipped: No tests ran.";
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//stream << "No tests ran.";
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}
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else {
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stream << "1.." << counter;
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}
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//else if( totals.testCases.failed == totals.testCases.total() ) {
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// Colour colour( Colour::ResultError );
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// const std::string qualify_assertions_failed =
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// totals.assertions.failed == totals.assertions.total() ?
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// bothOrAll( totals.assertions.failed ) : "";
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// stream <<
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// "Failed " << bothOrAll( totals.testCases.failed )
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// << pluralise( totals.testCases.failed, "test case" ) << ", "
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// "failed " << qualify_assertions_failed <<
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// pluralise( totals.assertions.failed, "assertion" ) << ".";
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//}
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//else if( totals.assertions.total() == 0 ) {
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// stream <<
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// "Passed " << bothOrAll( totals.testCases.total() )
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// << pluralise( totals.testCases.total(), "test case" )
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// << " (no assertions).";
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//}
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//else if( totals.assertions.failed ) {
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// Colour colour( Colour::ResultError );
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// stream <<
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// "Failed " << pluralise( totals.testCases.failed, "test case" ) << ", "
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// "failed " << pluralise( totals.assertions.failed, "assertion" ) << ".";
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//}
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//else {
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// Colour colour( Colour::ResultSuccess );
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// stream <<
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// "Passed " << bothOrAll( totals.testCases.passed )
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// << pluralise( totals.testCases.passed, "test case" ) <<
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// " with " << pluralise( totals.assertions.passed, "assertion" ) << ".";
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//}
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}
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};
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INTERNAL_CATCH_REGISTER_REPORTER( "tap", TAPReporter )
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} // end namespace Catch
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#endif // TWOBLUECUBES_CATCH_REPORTER_TAP_HPP_INCLUDED
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