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https://github.com/catchorg/Catch2.git
synced 2024-11-04 05:09:53 +01:00
Factored table writing code out into a TablePrinter class (removes a lot of magic numbers and ad-hoc formatting)
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97d6b08087
commit
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@ -30,24 +30,105 @@ namespace {
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else
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else
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return k;
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return k;
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}
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}
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struct ColumnInfo {
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enum Justification { Left, Right };
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std::string name;
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int width;
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Justification justification;
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};
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struct ColumnBreak {};
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struct RowBreak {};
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class TablePrinter {
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std::ostream& m_os;
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std::vector<ColumnInfo> m_columnInfos;
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std::ostringstream m_oss;
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int m_currentColumn = -1;
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bool m_isOpen = false;
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public:
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TablePrinter( std::ostream& os, std::vector<ColumnInfo> const& columnInfos )
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: m_os( os ),
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m_columnInfos( columnInfos )
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{}
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auto columnInfos() const -> std::vector<ColumnInfo> const& {
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return m_columnInfos;
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}
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void open() {
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if( !m_isOpen ) {
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m_isOpen = true;
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*this << RowBreak();
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for( auto const& info : m_columnInfos )
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*this << info.name << ColumnBreak();
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*this << RowBreak();
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}
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}
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void close() {
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if( m_isOpen ) {
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*this << RowBreak();
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m_os << std::endl;
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m_isOpen = false;
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}
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}
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template<typename T>
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friend TablePrinter& operator << ( TablePrinter& tp, T const& value ) {
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tp.m_oss << value;
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return tp;
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}
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friend TablePrinter& operator << ( TablePrinter& tp, ColumnBreak ) {
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auto colStr = tp.m_oss.str();
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tp.m_oss.str("");
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tp.open();
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if( tp.m_currentColumn == static_cast<int>(tp.m_columnInfos.size()-1) ) {
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tp.m_currentColumn = -1;
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tp.m_os << "\n";
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}
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if( tp.m_currentColumn == -1 )
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tp.m_os << "|";
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tp.m_currentColumn++;
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auto colInfo = tp.m_columnInfos[tp.m_currentColumn];
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auto padding = ( colStr.size()+2 < static_cast<size_t>( colInfo.width ) )
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? std::string( colInfo.width-(colStr.size()+2), ' ' )
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: std::string();
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if( colInfo.justification == ColumnInfo::Left )
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tp.m_os << " " << colStr << padding << " |";
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else
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tp.m_os << " " << padding << colStr << " |";
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return tp;
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}
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friend TablePrinter& operator << ( TablePrinter& tp, RowBreak ) {
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if( tp.m_currentColumn > 0 ) {
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tp.m_os << "\n";
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tp.m_currentColumn = -1;
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}
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tp.m_os << Catch::getBoxCharsAcross() << "\n";
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return tp;
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}
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};
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}
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}
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namespace Catch {
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namespace Catch {
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template<typename T>
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auto leftPad( const T& value, int width ) -> std::string {
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// !TBD: could do with being optimised
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std::ostringstream oss;
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oss << value;
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std::string converted = oss.str();
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return std::string( width - converted.size(), ' ' ) + converted;
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}
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struct ConsoleReporter : StreamingReporterBase<ConsoleReporter> {
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struct ConsoleReporter : StreamingReporterBase<ConsoleReporter> {
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using StreamingReporterBase::StreamingReporterBase;
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TablePrinter m_tablePrinter;
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bool m_benchmarkTableOpen = false;
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ConsoleReporter( ReporterConfig const& config )
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: StreamingReporterBase( config ),
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m_tablePrinter( config.stream(),
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{
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{ "benchmark name", CATCH_CONFIG_CONSOLE_WIDTH-38, ColumnInfo::Left },
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{ "iters", 8, ColumnInfo::Right },
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{ "elapsed ns", 12, ColumnInfo::Right },
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{ "average", 12, ColumnInfo::Right }
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} )
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{}
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~ConsoleReporter() override;
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~ConsoleReporter() override;
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static std::string getDescription() {
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static std::string getDescription() {
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return "Reports test results as plain lines of text";
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return "Reports test results as plain lines of text";
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@ -58,7 +139,6 @@ namespace Catch {
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}
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}
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void assertionStarting( AssertionInfo const& ) override {
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void assertionStarting( AssertionInfo const& ) override {
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closeBenchmarkTable();
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}
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}
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bool assertionEnded( AssertionStats const& _assertionStats ) override {
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bool assertionEnded( AssertionStats const& _assertionStats ) override {
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@ -83,7 +163,7 @@ namespace Catch {
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StreamingReporterBase::sectionStarting( _sectionInfo );
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StreamingReporterBase::sectionStarting( _sectionInfo );
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}
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}
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void sectionEnded( SectionStats const& _sectionStats ) override {
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void sectionEnded( SectionStats const& _sectionStats ) override {
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closeBenchmarkTable();
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m_tablePrinter.close();
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if( _sectionStats.missingAssertions ) {
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if( _sectionStats.missingAssertions ) {
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lazyPrint();
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lazyPrint();
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Colour colour( Colour::ResultError );
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Colour colour( Colour::ResultError );
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@ -102,44 +182,32 @@ namespace Catch {
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StreamingReporterBase::sectionEnded( _sectionStats );
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StreamingReporterBase::sectionEnded( _sectionStats );
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}
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}
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void benchmarkStarting( BenchmarkInfo const& info ) override {
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void benchmarkStarting( BenchmarkInfo const& info ) override {
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lazyPrint();
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lazyPrintWithoutClosingBenchmarkTable();
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auto nameColWidth = CATCH_CONFIG_CONSOLE_WIDTH-40;
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auto nameCol = Column( info.name ).width( nameColWidth );
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auto nameCol = Column( info.name ).width( m_tablePrinter.columnInfos()[0].width-2 );
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if( !m_benchmarkTableOpen ) {
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stream
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<< getBoxCharsAcross() << "\n"
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<< "| benchmark name" << std::string( nameColWidth-14, ' ' ) << " | it'ns | elapsed ns | average |\n"
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<< getBoxCharsAcross() << "\n";
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m_benchmarkTableOpen = true;
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}
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bool firstLine = true;
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bool firstLine = true;
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for( auto line : nameCol ) {
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for( auto line : nameCol ) {
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if( !firstLine )
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if( !firstLine )
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stream << " | | |" << "\n";
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m_tablePrinter << ColumnBreak() << ColumnBreak() << ColumnBreak();
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else
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else
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firstLine = false;
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firstLine = false;
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stream << "| " << line << std::string( nameColWidth-line.size(), ' ' ) << " |";
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m_tablePrinter << line << ColumnBreak();
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}
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}
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}
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}
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void benchmarkEnded( BenchmarkStats const& stats ) override {
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void benchmarkEnded( BenchmarkStats const& stats ) override {
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// !TBD: report average times in natural units?
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// !TBD: report average times in natural units?
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stream
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m_tablePrinter
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<< " " << leftPad( stats.iterations, 6 )
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<< stats.iterations << ColumnBreak()
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<< " | " << leftPad( stats.elapsedTimeInNanoseconds, 10 )
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<< stats.elapsedTimeInNanoseconds << ColumnBreak()
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<< " | " << leftPad( stats.elapsedTimeInNanoseconds/stats.iterations, 7 )
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<< stats.elapsedTimeInNanoseconds/stats.iterations << " ns" << ColumnBreak();
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<< " ns |" << std::endl;
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}
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void closeBenchmarkTable() {
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if( m_benchmarkTableOpen ) {
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stream << getBoxCharsAcross() << "\n" << std::endl;
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m_benchmarkTableOpen = false;
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}
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}
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}
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void testCaseEnded( TestCaseStats const& _testCaseStats ) override {
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void testCaseEnded( TestCaseStats const& _testCaseStats ) override {
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closeBenchmarkTable();
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m_tablePrinter.close();
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StreamingReporterBase::testCaseEnded( _testCaseStats );
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StreamingReporterBase::testCaseEnded( _testCaseStats );
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m_headerPrinted = false;
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m_headerPrinted = false;
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}
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}
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@ -305,6 +373,12 @@ namespace Catch {
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void lazyPrint() {
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void lazyPrint() {
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m_tablePrinter.close();
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lazyPrintWithoutClosingBenchmarkTable();
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}
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void lazyPrintWithoutClosingBenchmarkTable() {
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if( !currentTestRunInfo.used )
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if( !currentTestRunInfo.used )
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lazyPrintRunInfo();
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lazyPrintRunInfo();
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if( !currentGroupInfo.used )
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if( !currentGroupInfo.used )
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