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>
This commit is contained in:
Colton Wolkins (Ogre) 2015-10-15 00:54:37 -06:00
parent c9a188df45
commit b3c9d58484
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@ -0,0 +1,309 @@
/*
* Created by Martin Moene on 2013-12-05.
* Copyright 2012 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
#include "catch_reporter_bases.hpp"
#include <algorithm>
#include "../internal/catch_reporter_registrars.hpp"
#include "../internal/catch_console_colour.hpp"
namespace Catch {
struct TAPReporter : StreamingReporterBase {
TAPReporter( ReporterConfig const& _config )
: StreamingReporterBase( _config )
{}
virtual ~TAPReporter();
static std::string getDescription() {
return "Reports test results in TAP format, suitable for test harneses";
}
virtual ReporterPreferences getPreferences() const {
ReporterPreferences prefs;
prefs.shouldRedirectStdOut = false;
return prefs;
}
virtual void noMatchingTestCases( std::string const& spec ) {
stream << "# No test cases matched '" << spec << "'" << std::endl;
}
virtual void assertionStarting( AssertionInfo const& ) {
}
virtual bool assertionEnded( AssertionStats const& _assertionStats ) {
AssertionResult const& result = _assertionStats.assertionResult;
bool printInfoMessages = true;
// Drop out if result was successful and we're not printing those
if( !m_config->includeSuccessfulResults() && result.isOk() ) {
if( result.getResultType() != ResultWas::Warning )
return false;
printInfoMessages = false;
}
AssertionPrinter printer( stream, _assertionStats, printInfoMessages, ++counter );
printer.print();
stream << " # " << currentTestCaseInfo->name ;
stream << std::endl;
return true;
}
virtual void testRunEnded( TestRunStats const& _testRunStats ) {
printTotals( _testRunStats.totals );
stream << "\n" << std::endl;
StreamingReporterBase::testRunEnded( _testRunStats );
}
private:
size_t counter = 0;
class AssertionPrinter {
void operator= ( AssertionPrinter const& );
public:
AssertionPrinter( std::ostream& _stream, AssertionStats const& _stats, bool _printInfoMessages, size_t counter = 0 )
: stream( _stream )
, stats( _stats )
, result( _stats.assertionResult )
, messages( _stats.infoMessages )
, itMessage( _stats.infoMessages.begin() )
, printInfoMessages( _printInfoMessages )
, counter(counter)
{}
void print() {
//printSourceInfo();
itMessage = messages.begin();
switch( result.getResultType() ) {
case ResultWas::Ok:
printResultType( Colour::ResultSuccess, passedString() );
printOriginalExpression();
//printReconstructedExpression();
if ( ! result.hasExpression() )
printRemainingMessages( Colour::None );
else
printRemainingMessages();
break;
case ResultWas::ExpressionFailed:
//if( result.isOk() )
// printResultType( Colour::ResultSuccess, failedString() + std::string( " # TODO" ) );
//else
printResultType( Colour::Error, failedString() );
printOriginalExpression();
//printReconstructedExpression();
if( result.isOk() )
printIssue( " # TODO" );
printRemainingMessages();
break;
case ResultWas::ThrewException:
printResultType( Colour::Error, failedString() );
printIssue( "unexpected exception with message:" );
printMessage();
printExpressionWas();
printRemainingMessages();
break;
case ResultWas::FatalErrorCondition:
printResultType( Colour::Error, failedString() );
printIssue( "fatal error condition with message:" );
printMessage();
printExpressionWas();
printRemainingMessages();
break;
case ResultWas::DidntThrowException:
printResultType( Colour::Error, failedString() );
printIssue( "expected exception, got none" );
printExpressionWas();
printRemainingMessages();
break;
case ResultWas::Info:
printResultType( Colour::None, "info" );
printMessage();
printRemainingMessages();
break;
case ResultWas::Warning:
printResultType( Colour::None, "warning" );
printMessage();
printRemainingMessages();
break;
case ResultWas::ExplicitFailure:
printResultType( Colour::Error, 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( Colour::Error, "** internal error **" );
break;
}
}
private:
// Colour::LightGrey
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( Colour::FileName );
stream << result.getSourceInfo() << ":";
}
void printResultType( Colour::Code colour, std::string passOrFail ) const {
if( !passOrFail.empty() ) {
{
//Colour colourGuard( colour );
stream << passOrFail << " " << counter;
}
stream << " -";
}
}
void printIssue( std::string 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 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;
AssertionStats const& stats;
AssertionResult const& result;
std::vector<MessageInfo> messages;
std::vector<MessageInfo>::const_iterator itMessage;
bool printInfoMessages;
size_t counter;
};
// Colour, message variants:
// - white: No tests ran.
// - red: Failed [both/all] N test cases, failed [both/all] M assertions.
// - white: Passed [both/all] N test cases (no assertions).
// - red: Failed N tests cases, failed M assertions.
// - green: Passed [both/all] N tests cases with M assertions.
std::string bothOrAll( std::size_t count ) const {
return count == 1 ? "" : count == 2 ? "both " : "all " ;
}
void printTotals( const Totals& totals ) const {
if( totals.testCases.total() == 0 ) {
stream << "1..0 # Skipped: No tests ran.";
//stream << "No tests ran.";
}
else {
stream << "1.." << counter;
}
//else if( totals.testCases.failed == totals.testCases.total() ) {
// Colour colour( Colour::ResultError );
// const std::string qualify_assertions_failed =
// totals.assertions.failed == totals.assertions.total() ?
// bothOrAll( totals.assertions.failed ) : "";
// stream <<
// "Failed " << bothOrAll( totals.testCases.failed )
// << pluralise( totals.testCases.failed, "test case" ) << ", "
// "failed " << qualify_assertions_failed <<
// pluralise( totals.assertions.failed, "assertion" ) << ".";
//}
//else if( totals.assertions.total() == 0 ) {
// stream <<
// "Passed " << bothOrAll( totals.testCases.total() )
// << pluralise( totals.testCases.total(), "test case" )
// << " (no assertions).";
//}
//else if( totals.assertions.failed ) {
// Colour colour( Colour::ResultError );
// stream <<
// "Failed " << pluralise( totals.testCases.failed, "test case" ) << ", "
// "failed " << pluralise( totals.assertions.failed, "assertion" ) << ".";
//}
//else {
// Colour colour( Colour::ResultSuccess );
// stream <<
// "Passed " << bothOrAll( totals.testCases.passed )
// << pluralise( totals.testCases.passed, "test case" ) <<
// " with " << pluralise( totals.assertions.passed, "assertion" ) << ".";
//}
}
};
INTERNAL_CATCH_REGISTER_REPORTER( "tap", TAPReporter )
} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_REPORTER_TAP_HPP_INCLUDED