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/*
* Created by Colton Wolkins on 2015-08-15.
* Copyright 2015 Martin Moene. 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_REPORTER_TAP_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_REPORTER_TAP_HPP_INCLUDED
// Don't #include any Catch headers here - we can assume they are already
// included before this header.
// This is not good practice in general but is necessary in this case so this
// file can be distributed as a single header that works with the main
// Catch single header.
#include <algorithm>
namespace Catch {
struct TAPReporter : StreamingReporterBase<TAPReporter> {
using StreamingReporterBase::StreamingReporterBase;
~TAPReporter() override;
static std::string getDescription() {
return "Reports test results in TAP format, suitable for test harnesses";
}
ReporterPreferences getPreferences() const override {
return m_reporterPrefs;
}
void noMatchingTestCases( std::string const& spec ) override {
stream << "# No test cases matched '" << spec << "'" << std::endl;
}
void assertionStarting( AssertionInfo const& ) override {}
bool assertionEnded( AssertionStats const& _assertionStats ) override {
++counter;
stream << "# " << currentTestCaseInfo->name << std::endl;
AssertionPrinter printer( stream, _assertionStats, counter );
printer.print();
stream << std::endl;
return true;
}
void testRunEnded( TestRunStats const& _testRunStats ) override {
printTotals( _testRunStats.totals );
stream << "\n" << std::endl;
StreamingReporterBase::testRunEnded( _testRunStats );
}
private:
std::size_t counter = 0;
class AssertionPrinter {
public:
AssertionPrinter& operator= ( AssertionPrinter const& ) = delete;
AssertionPrinter( AssertionPrinter const& ) = delete;
AssertionPrinter( std::ostream& _stream, AssertionStats const& _stats, std::size_t _counter )
: stream( _stream )
, result( _stats.assertionResult )
, messages( _stats.infoMessages )
, itMessage( _stats.infoMessages.begin() )
, printInfoMessages( true )
, counter(_counter)
{}
void print() {
itMessage = messages.begin();
switch( result.getResultType() ) {
case ResultWas::Ok:
printResultType( passedString() );
printOriginalExpression();
printReconstructedExpression();
if ( ! result.hasExpression() )
printRemainingMessages( Colour::None );
else
printRemainingMessages();
break;
case ResultWas::ExpressionFailed:
if (result.isOk()) {
printResultType(passedString());
} else {
printResultType(failedString());
}
printOriginalExpression();
printReconstructedExpression();
if (result.isOk()) {
printIssue(" # TODO");
}
printRemainingMessages();
break;
case ResultWas::ThrewException:
printResultType( failedString() );
printIssue( "unexpected exception with message:" );
printMessage();
printExpressionWas();
printRemainingMessages();
break;
case ResultWas::FatalErrorCondition:
printResultType( failedString() );
printIssue( "fatal error condition with message:" );
printMessage();
printExpressionWas();
printRemainingMessages();
break;
case ResultWas::DidntThrowException:
printResultType( failedString() );
printIssue( "expected exception, got none" );
printExpressionWas();
printRemainingMessages();
break;
case ResultWas::Info:
printResultType( "info" );
printMessage();
printRemainingMessages();
break;
case ResultWas::Warning:
printResultType( "warning" );
printMessage();
printRemainingMessages();
break;
case ResultWas::ExplicitFailure:
printResultType( failedString() );
printIssue( "explicitly" );
printRemainingMessages( Colour::None );
break;
// These cases are here to prevent compiler warnings
case ResultWas::Unknown:
case ResultWas::FailureBit:
case ResultWas::Exception:
printResultType( "** internal error **" );
break;
}
}
private:
static Colour::Code dimColour() { return Colour::FileName; }
static const char* failedString() { return "not ok"; }
static const char* passedString() { return "ok"; }
void printSourceInfo() const {
Colour colourGuard( dimColour() );
stream << result.getSourceInfo() << ":";
}
void printResultType( std::string const& passOrFail ) const {
if( !passOrFail.empty() ) {
stream << passOrFail << ' ' << counter << " -";
}
}
void printIssue( std::string const& issue ) const {
stream << " " << issue;
}
void printExpressionWas() {
if( result.hasExpression() ) {
stream << ";";
{
Colour colour( dimColour() );
stream << " expression was:";
}
printOriginalExpression();
}
}
void printOriginalExpression() const {
if( result.hasExpression() ) {
stream << " " << result.getExpression();
}
}
void printReconstructedExpression() const {
if( result.hasExpandedExpression() ) {
{
Colour colour( dimColour() );
stream << " for: ";
}
std::string expr = result.getExpandedExpression();
std::replace( expr.begin(), expr.end(), '\n', ' ');
stream << expr;
}
}
void printMessage() {
if ( itMessage != messages.end() ) {
stream << " '" << itMessage->message << "'";
++itMessage;
}
}
void printRemainingMessages( Colour::Code colour = dimColour() ) {
if (itMessage == messages.end()) {
return;
}
// using messages.end() directly (or auto) yields compilation error:
std::vector<MessageInfo>::const_iterator itEnd = messages.end();
const std::size_t N = static_cast<std::size_t>( std::distance( itMessage, itEnd ) );
{
Colour colourGuard( colour );
stream << " with " << pluralise( N, "message" ) << ":";
}
for(; itMessage != itEnd; ) {
// If this assertion is a warning ignore any INFO messages
if( printInfoMessages || itMessage->type != ResultWas::Info ) {
stream << " '" << itMessage->message << "'";
if ( ++itMessage != itEnd ) {
Colour colourGuard( dimColour() );
stream << " and";
}
}
}
}
private:
std::ostream& stream;
AssertionResult const& result;
std::vector<MessageInfo> messages;
std::vector<MessageInfo>::const_iterator itMessage;
bool printInfoMessages;
std::size_t counter;
};
void printTotals( const Totals& totals ) const {
if( totals.testCases.total() == 0 ) {
stream << "1..0 # Skipped: No tests ran.";
} else {
stream << "1.." << counter;
}
}
};
#ifdef CATCH_IMPL
TAPReporter::~TAPReporter() {}
#endif
CATCH_REGISTER_REPORTER( "tap", TAPReporter )
} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_REPORTER_TAP_HPP_INCLUDED
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