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catch_reporter_tap.cpp
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/
catch_reporter_tap.cpp
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// Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// SPDX-License-Identifier: BSL-1.0
#include <catch2/reporters/catch_reporter_tap.hpp>
#include <catch2/internal/catch_console_colour.hpp>
#include <catch2/internal/catch_string_manip.hpp>
#include <catch2/catch_test_case_info.hpp>
#include <catch2/interfaces/catch_interfaces_config.hpp>
#include <catch2/catch_test_spec.hpp>
#include <catch2/reporters/catch_reporter_helpers.hpp>
#include <algorithm>
#include <iterator>
#include <ostream>
namespace Catch {
namespace {
// Yes, this has to be outside the class and namespaced by naming.
// Making older compiler happy is hard.
static constexpr StringRef tapFailedString = "not ok"_sr;
static constexpr StringRef tapPassedString = "ok"_sr;
static constexpr Colour::Code tapDimColour = Colour::FileName;
class TapAssertionPrinter {
public:
TapAssertionPrinter& operator= (TapAssertionPrinter const&) = delete;
TapAssertionPrinter(TapAssertionPrinter const&) = delete;
TapAssertionPrinter(std::ostream& _stream, AssertionStats const& _stats, std::size_t _counter, ColourImpl* colour_)
: stream(_stream)
, result(_stats.assertionResult)
, messages(_stats.infoMessages)
, itMessage(_stats.infoMessages.begin())
, printInfoMessages(true)
, counter(_counter)
, colourImpl( colour_ ) {}
void print() {
itMessage = messages.begin();
switch (result.getResultType()) {
case ResultWas::Ok:
printResultType(tapPassedString);
printOriginalExpression();
printReconstructedExpression();
if (!result.hasExpression())
printRemainingMessages(Colour::None);
else
printRemainingMessages();
break;
case ResultWas::ExpressionFailed:
if (result.isOk()) {
printResultType(tapPassedString);
} else {
printResultType(tapFailedString);
}
printOriginalExpression();
printReconstructedExpression();
if (result.isOk()) {
printIssue(" # TODO");
}
printRemainingMessages();
break;
case ResultWas::ThrewException:
printResultType(tapFailedString);
printIssue("unexpected exception with message:"_sr);
printMessage();
printExpressionWas();
printRemainingMessages();
break;
case ResultWas::FatalErrorCondition:
printResultType(tapFailedString);
printIssue("fatal error condition with message:"_sr);
printMessage();
printExpressionWas();
printRemainingMessages();
break;
case ResultWas::DidntThrowException:
printResultType(tapFailedString);
printIssue("expected exception, got none"_sr);
printExpressionWas();
printRemainingMessages();
break;
case ResultWas::Info:
printResultType("info"_sr);
printMessage();
printRemainingMessages();
break;
case ResultWas::Warning:
printResultType("warning"_sr);
printMessage();
printRemainingMessages();
break;
case ResultWas::ExplicitFailure:
printResultType(tapFailedString);
printIssue("explicitly"_sr);
printRemainingMessages(Colour::None);
break;
case ResultWas::ExplicitSkip:
printResultType(tapPassedString);
printIssue(" # SKIP"_sr);
printMessage();
printRemainingMessages();
break;
// These cases are here to prevent compiler warnings
case ResultWas::Unknown:
case ResultWas::FailureBit:
case ResultWas::Exception:
printResultType("** internal error **"_sr);
break;
}
}
private:
void printResultType(StringRef passOrFail) const {
if (!passOrFail.empty()) {
stream << passOrFail << ' ' << counter << " -";
}
}
void printIssue(StringRef issue) const {
stream << ' ' << issue;
}
void printExpressionWas() {
if (result.hasExpression()) {
stream << ';';
stream << colourImpl->guardColour( tapDimColour )
<< " expression was:";
printOriginalExpression();
}
}
void printOriginalExpression() const {
if (result.hasExpression()) {
stream << ' ' << result.getExpression();
}
}
void printReconstructedExpression() const {
if (result.hasExpandedExpression()) {
stream << colourImpl->guardColour( tapDimColour ) << " 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 = tapDimColour) {
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));
stream << colourImpl->guardColour( colour ) << " with "
<< pluralise( N, "message"_sr ) << ':';
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) {
stream << colourImpl->guardColour(tapDimColour) << " and";
}
}
}
}
private:
std::ostream& stream;
AssertionResult const& result;
std::vector<MessageInfo> messages;
std::vector<MessageInfo>::const_iterator itMessage;
bool printInfoMessages;
std::size_t counter;
ColourImpl* colourImpl;
};
} // End anonymous namespace
void TAPReporter::testRunStarting( TestRunInfo const& ) {
if ( m_config->testSpec().hasFilters() ) {
m_stream << "# filters: " << m_config->testSpec() << '\n';
}
m_stream << "# rng-seed: " << m_config->rngSeed() << '\n';
}
void TAPReporter::noMatchingTestCases( StringRef unmatchedSpec ) {
m_stream << "# No test cases matched '" << unmatchedSpec << "'\n";
}
void TAPReporter::assertionEnded(AssertionStats const& _assertionStats) {
++counter;
m_stream << "# " << currentTestCaseInfo->name << '\n';
TapAssertionPrinter printer(m_stream, _assertionStats, counter, m_colour.get());
printer.print();
m_stream << '\n' << std::flush;
}
void TAPReporter::testRunEnded(TestRunStats const& _testRunStats) {
m_stream << "1.." << _testRunStats.totals.assertions.total();
if (_testRunStats.totals.testCases.total() == 0) {
m_stream << " # Skipped: No tests ran.";
}
m_stream << "\n\n" << std::flush;
StreamingReporterBase::testRunEnded(_testRunStats);
}
} // end namespace Catch