catch2/include/reporters/catch_reporter_console.hpp

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/*
* Created by Phil on 5/12/2012.
* Copyright 2012 Two Blue Cubes Ltd. 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_CONSOLE_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_REPORTER_CONSOLE_HPP_INCLUDED
#include "catch_reporter_bases.hpp"
#include "../internal/catch_reporter_registrars.hpp"
#include "../internal/catch_console_colour.hpp"
#include <cfloat>
#include <cstdio>
namespace Catch {
namespace {
// Because formatting using c++ streams is stateful, drop down to C is required
// Alternatively we could use stringstream, but its performance is... not good.
std::string getFormattedDuration( double duration ) {
// Max exponent + 1 is required to represent the whole part
// + 1 for decimal point
// + 3 for the 3 decimal places
// + 1 for null terminator
const size_t maxDoubleSize = DBL_MAX_10_EXP + 1 + 1 + 3 + 1;
char buffer[maxDoubleSize];
#ifdef _MSC_VER
sprintf_s(buffer, "%.3f", duration);
#else
sprintf(buffer, "%.3f", duration);
#endif
return std::string(buffer);
}
}
struct ConsoleReporter : StreamingReporterBase {
ConsoleReporter( ReporterConfig const& _config )
: StreamingReporterBase( _config ),
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m_headerPrinted( false )
{}
virtual ~ConsoleReporter() CATCH_OVERRIDE;
static std::string getDescription() {
return "Reports test results as plain lines of text";
}
virtual void noMatchingTestCases( std::string const& spec ) CATCH_OVERRIDE {
stream << "No test cases matched '" << spec << '\'' << std::endl;
}
virtual void assertionStarting( AssertionInfo const& ) CATCH_OVERRIDE {
}
virtual bool assertionEnded( AssertionStats const& _assertionStats ) CATCH_OVERRIDE {
AssertionResult const& result = _assertionStats.assertionResult;
bool printInfoMessages = true;
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// 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;
}
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lazyPrint();
AssertionPrinter printer( stream, _assertionStats, printInfoMessages );
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printer.print();
stream << std::endl;
return true;
}
virtual void sectionStarting( SectionInfo const& _sectionInfo ) CATCH_OVERRIDE {
m_headerPrinted = false;
StreamingReporterBase::sectionStarting( _sectionInfo );
}
virtual void sectionEnded( SectionStats const& _sectionStats ) CATCH_OVERRIDE {
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if( _sectionStats.missingAssertions ) {
lazyPrint();
Colour colour( Colour::ResultError );
if( m_sectionStack.size() > 1 )
stream << "\nNo assertions in section";
else
stream << "\nNo assertions in test case";
stream << " '" << _sectionStats.sectionInfo.name << "'\n" << std::endl;
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}
if( m_config->showDurations() == ShowDurations::Always ) {
stream << getFormattedDuration(_sectionStats.durationInSeconds) << " s: " << _sectionStats.sectionInfo.name << std::endl;
}
if( m_headerPrinted ) {
m_headerPrinted = false;
}
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StreamingReporterBase::sectionEnded( _sectionStats );
}
virtual void testCaseEnded( TestCaseStats const& _testCaseStats ) CATCH_OVERRIDE {
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StreamingReporterBase::testCaseEnded( _testCaseStats );
m_headerPrinted = false;
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}
virtual void testGroupEnded( TestGroupStats const& _testGroupStats ) CATCH_OVERRIDE {
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if( currentGroupInfo.used ) {
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printSummaryDivider();
stream << "Summary for group '" << _testGroupStats.groupInfo.name << "':\n";
printTotals( _testGroupStats.totals );
stream << '\n' << std::endl;
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}
StreamingReporterBase::testGroupEnded( _testGroupStats );
}
virtual void testRunEnded( TestRunStats const& _testRunStats ) CATCH_OVERRIDE {
printTotalsDivider( _testRunStats.totals );
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printTotals( _testRunStats.totals );
stream << std::endl;
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StreamingReporterBase::testRunEnded( _testRunStats );
}
private:
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class AssertionPrinter {
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void operator= ( AssertionPrinter const& );
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public:
AssertionPrinter( std::ostream& _stream, AssertionStats const& _stats, bool _printInfoMessages )
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: stream( _stream ),
stats( _stats ),
result( _stats.assertionResult ),
colour( Colour::None ),
message( result.getMessage() ),
messages( _stats.infoMessages ),
printInfoMessages( _printInfoMessages )
{
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switch( result.getResultType() ) {
case ResultWas::Ok:
colour = Colour::Success;
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passOrFail = "PASSED";
//if( result.hasMessage() )
if( _stats.infoMessages.size() == 1 )
messageLabel = "with message";
if( _stats.infoMessages.size() > 1 )
messageLabel = "with messages";
break;
case ResultWas::ExpressionFailed:
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if( result.isOk() ) {
colour = Colour::Success;
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passOrFail = "FAILED - but was ok";
}
else {
colour = Colour::Error;
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passOrFail = "FAILED";
}
if( _stats.infoMessages.size() == 1 )
messageLabel = "with message";
if( _stats.infoMessages.size() > 1 )
messageLabel = "with messages";
break;
case ResultWas::ThrewException:
colour = Colour::Error;
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passOrFail = "FAILED";
messageLabel = "due to unexpected exception with message";
break;
case ResultWas::FatalErrorCondition:
colour = Colour::Error;
passOrFail = "FAILED";
messageLabel = "due to a fatal error condition";
break;
case ResultWas::DidntThrowException:
colour = Colour::Error;
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passOrFail = "FAILED";
messageLabel = "because no exception was thrown where one was expected";
break;
case ResultWas::Info:
messageLabel = "info";
break;
case ResultWas::Warning:
messageLabel = "warning";
break;
case ResultWas::ExplicitFailure:
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passOrFail = "FAILED";
colour = Colour::Error;
if( _stats.infoMessages.size() == 1 )
messageLabel = "explicitly with message";
if( _stats.infoMessages.size() > 1 )
messageLabel = "explicitly with messages";
break;
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// These cases are here to prevent compiler warnings
case ResultWas::Unknown:
case ResultWas::FailureBit:
case ResultWas::Exception:
passOrFail = "** internal error **";
colour = Colour::Error;
break;
}
}
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void print() const {
printSourceInfo();
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if( stats.totals.assertions.total() > 0 ) {
if( result.isOk() )
stream << '\n';
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printResultType();
printOriginalExpression();
printReconstructedExpression();
}
else {
stream << '\n';
}
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printMessage();
}
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private:
void printResultType() const {
if( !passOrFail.empty() ) {
Colour colourGuard( colour );
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stream << passOrFail << ":\n";
}
}
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void printOriginalExpression() const {
if( result.hasExpression() ) {
Colour colourGuard( Colour::OriginalExpression );
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stream << " ";
stream << result.getExpressionInMacro();
stream << '\n';
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}
}
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void printReconstructedExpression() const {
if( result.hasExpandedExpression() ) {
stream << "with expansion:\n";
Colour colourGuard( Colour::ReconstructedExpression );
stream << Text( result.getExpandedExpression(), TextAttributes().setIndent(2) ) << '\n';
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}
}
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void printMessage() const {
if( !messageLabel.empty() )
stream << messageLabel << ':' << '\n';
for( std::vector<MessageInfo>::const_iterator it = messages.begin(), itEnd = messages.end();
it != itEnd;
++it ) {
// If this assertion is a warning ignore any INFO messages
if( printInfoMessages || it->type != ResultWas::Info )
stream << Text( it->message, TextAttributes().setIndent(2) ) << '\n';
}
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}
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void printSourceInfo() const {
Colour colourGuard( Colour::FileName );
stream << result.getSourceInfo() << ": ";
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}
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std::ostream& stream;
AssertionStats const& stats;
AssertionResult const& result;
Colour::Code colour;
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std::string passOrFail;
std::string messageLabel;
std::string message;
std::vector<MessageInfo> messages;
bool printInfoMessages;
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};
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void lazyPrint() {
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if( !currentTestRunInfo.used )
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lazyPrintRunInfo();
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if( !currentGroupInfo.used )
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lazyPrintGroupInfo();
if( !m_headerPrinted ) {
printTestCaseAndSectionHeader();
m_headerPrinted = true;
}
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}
void lazyPrintRunInfo() {
stream << '\n' << getLineOfChars<'~'>() << '\n';
Colour colour( Colour::SecondaryText );
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stream << currentTestRunInfo->name
<< " is a Catch v" << libraryVersion << " host application.\n"
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<< "Run with -? for options\n\n";
if( m_config->rngSeed() != 0 )
stream << "Randomness seeded to: " << m_config->rngSeed() << "\n\n";
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currentTestRunInfo.used = true;
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}
void lazyPrintGroupInfo() {
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if( !currentGroupInfo->name.empty() && currentGroupInfo->groupsCounts > 1 ) {
printClosedHeader( "Group: " + currentGroupInfo->name );
currentGroupInfo.used = true;
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}
}
void printTestCaseAndSectionHeader() {
assert( !m_sectionStack.empty() );
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printOpenHeader( currentTestCaseInfo->name );
if( m_sectionStack.size() > 1 ) {
Colour colourGuard( Colour::Headers );
std::vector<SectionInfo>::const_iterator
it = m_sectionStack.begin()+1, // Skip first section (test case)
itEnd = m_sectionStack.end();
for( ; it != itEnd; ++it )
printHeaderString( it->name, 2 );
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}
SourceLineInfo lineInfo = m_sectionStack.back().lineInfo;
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if( !lineInfo.empty() ){
stream << getLineOfChars<'-'>() << '\n';
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Colour colourGuard( Colour::FileName );
stream << lineInfo << '\n';
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}
stream << getLineOfChars<'.'>() << '\n' << std::endl;
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}
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void printClosedHeader( std::string const& _name ) {
printOpenHeader( _name );
stream << getLineOfChars<'.'>() << '\n';
}
void printOpenHeader( std::string const& _name ) {
stream << getLineOfChars<'-'>() << '\n';
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{
Colour colourGuard( Colour::Headers );
printHeaderString( _name );
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}
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}
// if string has a : in first line will set indent to follow it on
// subsequent lines
void printHeaderString( std::string const& _string, std::size_t indent = 0 ) {
std::size_t i = _string.find( ": " );
if( i != std::string::npos )
i+=2;
else
i = 0;
stream << Text( _string, TextAttributes()
.setIndent( indent+i)
.setInitialIndent( indent ) ) << '\n';
}
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struct SummaryColumn {
SummaryColumn( std::string const& _label, Colour::Code _colour )
: label( _label ),
colour( _colour )
{}
SummaryColumn addRow( std::size_t count ) {
std::ostringstream oss;
oss << count;
std::string row = oss.str();
for( std::vector<std::string>::iterator it = rows.begin(); it != rows.end(); ++it ) {
while( it->size() < row.size() )
*it = ' ' + *it;
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while( it->size() > row.size() )
row = ' ' + row;
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}
rows.push_back( row );
return *this;
}
std::string label;
Colour::Code colour;
std::vector<std::string> rows;
};
void printTotals( Totals const& totals ) {
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if( totals.testCases.total() == 0 ) {
stream << Colour( Colour::Warning ) << "No tests ran\n";
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}
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else if( totals.assertions.total() > 0 && totals.testCases.allPassed() ) {
stream << Colour( Colour::ResultSuccess ) << "All tests passed";
stream << " ("
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<< pluralise( totals.assertions.passed, "assertion" ) << " in "
<< pluralise( totals.testCases.passed, "test case" ) << ')'
<< '\n';
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}
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else {
std::vector<SummaryColumn> columns;
columns.push_back( SummaryColumn( "", Colour::None )
.addRow( totals.testCases.total() )
.addRow( totals.assertions.total() ) );
columns.push_back( SummaryColumn( "passed", Colour::Success )
.addRow( totals.testCases.passed )
.addRow( totals.assertions.passed ) );
columns.push_back( SummaryColumn( "failed", Colour::ResultError )
.addRow( totals.testCases.failed )
.addRow( totals.assertions.failed ) );
columns.push_back( SummaryColumn( "failed as expected", Colour::ResultExpectedFailure )
.addRow( totals.testCases.failedButOk )
.addRow( totals.assertions.failedButOk ) );
printSummaryRow( "test cases", columns, 0 );
printSummaryRow( "assertions", columns, 1 );
}
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}
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void printSummaryRow( std::string const& label, std::vector<SummaryColumn> const& cols, std::size_t row ) {
for( std::vector<SummaryColumn>::const_iterator it = cols.begin(); it != cols.end(); ++it ) {
std::string value = it->rows[row];
if( it->label.empty() ) {
stream << label << ": ";
if( value != "0" )
stream << value;
else
stream << Colour( Colour::Warning ) << "- none -";
}
else if( value != "0" ) {
stream << Colour( Colour::LightGrey ) << " | ";
stream << Colour( it->colour )
<< value << ' ' << it->label;
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}
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}
stream << '\n';
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}
static std::size_t makeRatio( std::size_t number, std::size_t total ) {
std::size_t ratio = total > 0 ? CATCH_CONFIG_CONSOLE_WIDTH * number/ total : 0;
return ( ratio == 0 && number > 0 ) ? 1 : ratio;
}
static std::size_t& findMax( std::size_t& i, std::size_t& j, std::size_t& k ) {
if( i > j && i > k )
return i;
else if( j > k )
return j;
else
return k;
}
void printTotalsDivider( Totals const& totals ) {
if( totals.testCases.total() > 0 ) {
std::size_t failedRatio = makeRatio( totals.testCases.failed, totals.testCases.total() );
std::size_t failedButOkRatio = makeRatio( totals.testCases.failedButOk, totals.testCases.total() );
std::size_t passedRatio = makeRatio( totals.testCases.passed, totals.testCases.total() );
while( failedRatio + failedButOkRatio + passedRatio < CATCH_CONFIG_CONSOLE_WIDTH-1 )
findMax( failedRatio, failedButOkRatio, passedRatio )++;
while( failedRatio + failedButOkRatio + passedRatio > CATCH_CONFIG_CONSOLE_WIDTH-1 )
findMax( failedRatio, failedButOkRatio, passedRatio )--;
stream << Colour( Colour::Error ) << std::string( failedRatio, '=' );
stream << Colour( Colour::ResultExpectedFailure ) << std::string( failedButOkRatio, '=' );
if( totals.testCases.allPassed() )
stream << Colour( Colour::ResultSuccess ) << std::string( passedRatio, '=' );
else
stream << Colour( Colour::Success ) << std::string( passedRatio, '=' );
}
else {
stream << Colour( Colour::Warning ) << std::string( CATCH_CONFIG_CONSOLE_WIDTH-1, '=' );
}
stream << '\n';
}
void printSummaryDivider() {
stream << getLineOfChars<'-'>() << '\n';
}
private:
bool m_headerPrinted;
};
INTERNAL_CATCH_REGISTER_REPORTER( "console", ConsoleReporter )
} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_REPORTER_CONSOLE_HPP_INCLUDED