catch2/include/reporters/catch_reporter_console.cpp

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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)
*/
#include "catch_reporter_console.h"
#include "../internal/catch_reporter_registrars.hpp"
#include "internal/catch_console_colour.h"
#include "../internal/catch_version.h"
#include "../internal/catch_text.h"
#include "../internal/catch_stringref.h"
#include <cfloat>
#include <cstdio>
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4061) // Not all labels are EXPLICITLY handled in switch
// Note that 4062 (not all labels are handled
// and default is missing) is enabled
#endif
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namespace Catch {
namespace {
// Formatter impl for ConsoleReporter
class ConsoleAssertionPrinter {
public:
ConsoleAssertionPrinter& operator= (ConsoleAssertionPrinter const&) = delete;
ConsoleAssertionPrinter(ConsoleAssertionPrinter const&) = delete;
ConsoleAssertionPrinter(std::ostream& _stream, AssertionStats const& _stats, bool _printInfoMessages)
: stream(_stream),
stats(_stats),
result(_stats.assertionResult),
colour(Colour::None),
message(result.getMessage()),
messages(_stats.infoMessages),
printInfoMessages(_printInfoMessages) {
switch (result.getResultType()) {
case ResultWas::Ok:
colour = Colour::Success;
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:
if (result.isOk()) {
colour = Colour::Success;
passOrFail = "FAILED - but was ok";
} else {
colour = Colour::Error;
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;
passOrFail = "FAILED";
messageLabel = "due to unexpected exception with ";
if (_stats.infoMessages.size() == 1)
messageLabel += "message";
if (_stats.infoMessages.size() > 1)
messageLabel += "messages";
break;
case ResultWas::FatalErrorCondition:
colour = Colour::Error;
passOrFail = "FAILED";
messageLabel = "due to a fatal error condition";
break;
case ResultWas::DidntThrowException:
colour = Colour::Error;
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:
passOrFail = "FAILED";
colour = Colour::Error;
if (_stats.infoMessages.size() == 1)
messageLabel = "explicitly with message";
if (_stats.infoMessages.size() > 1)
messageLabel = "explicitly with messages";
break;
// These cases are here to prevent compiler warnings
case ResultWas::Unknown:
case ResultWas::FailureBit:
case ResultWas::Exception:
passOrFail = "** internal error **";
colour = Colour::Error;
break;
}
}
void print() const {
printSourceInfo();
if (stats.totals.assertions.total() > 0) {
printResultType();
printOriginalExpression();
printReconstructedExpression();
} else {
stream << '\n';
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}
printMessage();
}
private:
void printResultType() const {
if (!passOrFail.empty()) {
Colour colourGuard(colour);
stream << passOrFail << ":\n";
}
}
void printOriginalExpression() const {
if (result.hasExpression()) {
Colour colourGuard(Colour::OriginalExpression);
stream << " ";
stream << result.getExpressionInMacro();
stream << '\n';
}
}
void printReconstructedExpression() const {
if (result.hasExpandedExpression()) {
stream << "with expansion:\n";
Colour colourGuard(Colour::ReconstructedExpression);
stream << Column(result.getExpandedExpression()).indent(2) << '\n';
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}
}
void printMessage() const {
if (!messageLabel.empty())
stream << messageLabel << ':' << '\n';
for (auto const& msg : messages) {
// If this assertion is a warning ignore any INFO messages
if (printInfoMessages || msg.type != ResultWas::Info)
stream << Column(msg.message).indent(2) << '\n';
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}
}
void printSourceInfo() const {
Colour colourGuard(Colour::FileName);
stream << result.getSourceInfo() << ": ";
}
std::ostream& stream;
AssertionStats const& stats;
AssertionResult const& result;
Colour::Code colour;
std::string passOrFail;
std::string messageLabel;
std::string message;
std::vector<MessageInfo> messages;
bool printInfoMessages;
};
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;
}
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;
}
struct ColumnInfo {
enum Justification { Left, Right };
std::string name;
int width;
Justification justification;
};
struct ColumnBreak {};
struct RowBreak {};
class Duration {
enum class Unit {
Auto,
Nanoseconds,
Microseconds,
Milliseconds,
Seconds,
Minutes
};
static const uint64_t s_nanosecondsInAMicrosecond = 1000;
static const uint64_t s_nanosecondsInAMillisecond = 1000 * s_nanosecondsInAMicrosecond;
static const uint64_t s_nanosecondsInASecond = 1000 * s_nanosecondsInAMillisecond;
static const uint64_t s_nanosecondsInAMinute = 60 * s_nanosecondsInASecond;
uint64_t m_inNanoseconds;
Unit m_units;
public:
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explicit Duration(uint64_t inNanoseconds, Unit units = Unit::Auto)
: m_inNanoseconds(inNanoseconds),
m_units(units) {
if (m_units == Unit::Auto) {
if (m_inNanoseconds < s_nanosecondsInAMicrosecond)
m_units = Unit::Nanoseconds;
else if (m_inNanoseconds < s_nanosecondsInAMillisecond)
m_units = Unit::Microseconds;
else if (m_inNanoseconds < s_nanosecondsInASecond)
m_units = Unit::Milliseconds;
else if (m_inNanoseconds < s_nanosecondsInAMinute)
m_units = Unit::Seconds;
else
m_units = Unit::Minutes;
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}
}
auto value() const -> double {
switch (m_units) {
case Unit::Microseconds:
return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMicrosecond);
case Unit::Milliseconds:
return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMillisecond);
case Unit::Seconds:
return m_inNanoseconds / static_cast<double>(s_nanosecondsInASecond);
case Unit::Minutes:
return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMinute);
default:
return static_cast<double>(m_inNanoseconds);
}
}
auto unitsAsString() const -> std::string {
switch (m_units) {
case Unit::Nanoseconds:
return "ns";
case Unit::Microseconds:
return "µs";
case Unit::Milliseconds:
return "ms";
case Unit::Seconds:
return "s";
case Unit::Minutes:
return "m";
default:
return "** internal error **";
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}
}
friend auto operator << (std::ostream& os, Duration const& duration) -> std::ostream& {
return os << duration.value() << " " << duration.unitsAsString();
}
};
} // end anon namespace
class TablePrinter {
std::ostream& m_os;
std::vector<ColumnInfo> m_columnInfos;
std::ostringstream m_oss;
int m_currentColumn = -1;
bool m_isOpen = false;
public:
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TablePrinter( std::ostream& os, std::vector<ColumnInfo> columnInfos )
: m_os( os ),
m_columnInfos( std::move( columnInfos ) ) {}
auto columnInfos() const -> std::vector<ColumnInfo> const& {
return m_columnInfos;
}
void open() {
if (!m_isOpen) {
m_isOpen = true;
*this << RowBreak();
for (auto const& info : m_columnInfos)
*this << info.name << ColumnBreak();
*this << RowBreak();
m_os << Catch::getLineOfChars<'-'>() << "\n";
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}
}
void close() {
if (m_isOpen) {
*this << RowBreak();
m_os << std::endl;
m_isOpen = false;
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}
}
template<typename T>
friend TablePrinter& operator << (TablePrinter& tp, T const& value) {
tp.m_oss << value;
return tp;
}
friend TablePrinter& operator << (TablePrinter& tp, ColumnBreak) {
auto colStr = tp.m_oss.str();
// This takes account of utf8 encodings
auto strSize = Catch::StringRef(colStr).numberOfCharacters();
tp.m_oss.str("");
tp.open();
if (tp.m_currentColumn == static_cast<int>(tp.m_columnInfos.size() - 1)) {
tp.m_currentColumn = -1;
tp.m_os << "\n";
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}
tp.m_currentColumn++;
auto colInfo = tp.m_columnInfos[tp.m_currentColumn];
auto padding = (strSize + 2 < static_cast<std::size_t>(colInfo.width))
? std::string(colInfo.width - (strSize + 2), ' ')
: std::string();
if (colInfo.justification == ColumnInfo::Left)
tp.m_os << colStr << padding << " ";
else
tp.m_os << padding << colStr << " ";
return tp;
}
friend TablePrinter& operator << (TablePrinter& tp, RowBreak) {
if (tp.m_currentColumn > 0) {
tp.m_os << "\n";
tp.m_currentColumn = -1;
}
return tp;
}
};
ConsoleReporter::ConsoleReporter(ReporterConfig const& config)
: StreamingReporterBase(config),
m_tablePrinter(new TablePrinter(config.stream(),
{
{ "benchmark name", CATCH_CONFIG_CONSOLE_WIDTH - 32, ColumnInfo::Left },
{ "iters", 8, ColumnInfo::Right },
{ "elapsed ns", 14, ColumnInfo::Right },
{ "average", 14, ColumnInfo::Right }
})) {}
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ConsoleReporter::~ConsoleReporter() = default;
std::string ConsoleReporter::getDescription() {
return "Reports test results as plain lines of text";
}
void ConsoleReporter::noMatchingTestCases(std::string const& spec) {
stream << "No test cases matched '" << spec << '\'' << std::endl;
}
void ConsoleReporter::assertionStarting(AssertionInfo const&) {}
bool ConsoleReporter::assertionEnded(AssertionStats const& _assertionStats) {
AssertionResult const& result = _assertionStats.assertionResult;
bool includeResults = m_config->includeSuccessfulResults() || !result.isOk();
// Drop out if result was successful but we're not printing them.
if (!includeResults && result.getResultType() != ResultWas::Warning)
return false;
lazyPrint();
ConsoleAssertionPrinter printer(stream, _assertionStats, includeResults);
printer.print();
stream << std::endl;
return true;
}
void ConsoleReporter::sectionStarting(SectionInfo const& _sectionInfo) {
m_headerPrinted = false;
StreamingReporterBase::sectionStarting(_sectionInfo);
}
void ConsoleReporter::sectionEnded(SectionStats const& _sectionStats) {
m_tablePrinter->close();
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;
}
if (m_config->showDurations() == ShowDurations::Always) {
stream << getFormattedDuration(_sectionStats.durationInSeconds) << " s: " << _sectionStats.sectionInfo.name << std::endl;
}
if (m_headerPrinted) {
m_headerPrinted = false;
}
StreamingReporterBase::sectionEnded(_sectionStats);
}
void ConsoleReporter::benchmarkStarting(BenchmarkInfo const& info) {
lazyPrintWithoutClosingBenchmarkTable();
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auto nameCol = Column( info.name ).width( static_cast<std::size_t>( m_tablePrinter->columnInfos()[0].width - 2 ) );
bool firstLine = true;
for (auto line : nameCol) {
if (!firstLine)
(*m_tablePrinter) << ColumnBreak() << ColumnBreak() << ColumnBreak();
else
firstLine = false;
(*m_tablePrinter) << line << ColumnBreak();
}
}
void ConsoleReporter::benchmarkEnded(BenchmarkStats const& stats) {
Duration average(stats.elapsedTimeInNanoseconds / stats.iterations);
(*m_tablePrinter)
<< stats.iterations << ColumnBreak()
<< stats.elapsedTimeInNanoseconds << ColumnBreak()
<< average << ColumnBreak();
}
void ConsoleReporter::testCaseEnded(TestCaseStats const& _testCaseStats) {
m_tablePrinter->close();
StreamingReporterBase::testCaseEnded(_testCaseStats);
m_headerPrinted = false;
}
void ConsoleReporter::testGroupEnded(TestGroupStats const& _testGroupStats) {
if (currentGroupInfo.used) {
printSummaryDivider();
stream << "Summary for group '" << _testGroupStats.groupInfo.name << "':\n";
printTotals(_testGroupStats.totals);
stream << '\n' << std::endl;
}
StreamingReporterBase::testGroupEnded(_testGroupStats);
}
void ConsoleReporter::testRunEnded(TestRunStats const& _testRunStats) {
printTotalsDivider(_testRunStats.totals);
printTotals(_testRunStats.totals);
stream << std::endl;
StreamingReporterBase::testRunEnded(_testRunStats);
}
void ConsoleReporter::lazyPrint() {
m_tablePrinter->close();
lazyPrintWithoutClosingBenchmarkTable();
}
void ConsoleReporter::lazyPrintWithoutClosingBenchmarkTable() {
if (!currentTestRunInfo.used)
lazyPrintRunInfo();
if (!currentGroupInfo.used)
lazyPrintGroupInfo();
if (!m_headerPrinted) {
printTestCaseAndSectionHeader();
m_headerPrinted = true;
}
}
void ConsoleReporter::lazyPrintRunInfo() {
stream << '\n' << getLineOfChars<'~'>() << '\n';
Colour colour(Colour::SecondaryText);
stream << currentTestRunInfo->name
<< " is a Catch v" << libraryVersion() << " host application.\n"
<< "Run with -? for options\n\n";
if (m_config->rngSeed() != 0)
stream << "Randomness seeded to: " << m_config->rngSeed() << "\n\n";
currentTestRunInfo.used = true;
}
void ConsoleReporter::lazyPrintGroupInfo() {
if (!currentGroupInfo->name.empty() && currentGroupInfo->groupsCounts > 1) {
printClosedHeader("Group: " + currentGroupInfo->name);
currentGroupInfo.used = true;
}
}
void ConsoleReporter::printTestCaseAndSectionHeader() {
assert(!m_sectionStack.empty());
printOpenHeader(currentTestCaseInfo->name);
if (m_sectionStack.size() > 1) {
Colour colourGuard(Colour::Headers);
auto
it = m_sectionStack.begin() + 1, // Skip first section (test case)
itEnd = m_sectionStack.end();
for (; it != itEnd; ++it)
printHeaderString(it->name, 2);
}
SourceLineInfo lineInfo = m_sectionStack.back().lineInfo;
if (!lineInfo.empty()) {
stream << getLineOfChars<'-'>() << '\n';
Colour colourGuard(Colour::FileName);
stream << lineInfo << '\n';
}
stream << getLineOfChars<'.'>() << '\n' << std::endl;
}
void ConsoleReporter::printClosedHeader(std::string const& _name) {
printOpenHeader(_name);
stream << getLineOfChars<'.'>() << '\n';
}
void ConsoleReporter::printOpenHeader(std::string const& _name) {
stream << getLineOfChars<'-'>() << '\n';
{
Colour colourGuard(Colour::Headers);
printHeaderString(_name);
}
}
// if string has a : in first line will set indent to follow it on
// subsequent lines
void ConsoleReporter::printHeaderString(std::string const& _string, std::size_t indent) {
std::size_t i = _string.find(": ");
if (i != std::string::npos)
i += 2;
else
i = 0;
stream << Column(_string).indent(indent + i).initialIndent(indent) << '\n';
}
struct SummaryColumn {
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SummaryColumn( std::string _label, Colour::Code _colour )
: label( std::move( _label ) ),
colour( _colour ) {}
SummaryColumn addRow( std::size_t count ) {
ReusableStringStream rss;
rss << count;
std::string row = rss.str();
for (auto& oldRow : rows) {
while (oldRow.size() < row.size())
oldRow = ' ' + oldRow;
while (oldRow.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;
};
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void ConsoleReporter::printTotals( Totals const& totals ) {
if (totals.testCases.total() == 0) {
stream << Colour(Colour::Warning) << "No tests ran\n";
} else if (totals.assertions.total() > 0 && totals.testCases.allPassed()) {
stream << Colour(Colour::ResultSuccess) << "All tests passed";
stream << " ("
<< pluralise(totals.assertions.passed, "assertion") << " in "
<< pluralise(totals.testCases.passed, "test case") << ')'
<< '\n';
} 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);
}
}
void ConsoleReporter::printSummaryRow(std::string const& label, std::vector<SummaryColumn> const& cols, std::size_t row) {
for (auto col : cols) {
std::string value = col.rows[row];
if (col.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(col.colour)
<< value << ' ' << col.label;
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}
}
stream << '\n';
}
void ConsoleReporter::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 ConsoleReporter::printSummaryDivider() {
stream << getLineOfChars<'-'>() << '\n';
}
CATCH_REGISTER_REPORTER("console", ConsoleReporter)
} // end namespace Catch
#if defined(_MSC_VER)
#pragma warning(pop)
#endif