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catch_reporter_combined_tu.cpp
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catch_reporter_combined_tu.cpp
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// Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// SPDX-License-Identifier: BSL-1.0
/** \file
* This is a special TU that combines what would otherwise be a very
* small reporter-related TUs into one bigger TU.
*
* The reason for this is compilation performance improvements by
* avoiding reparsing headers for many small TUs, instead having this
* one TU include bit more, but having it all parsed only once.
*
* To avoid heavy-tail problem with compilation times, each "subpart"
* of Catch2 has its own combined TU like this.
*/
#include <catch2/reporters/catch_reporter_helpers.hpp>
#include <catch2/interfaces/catch_interfaces_config.hpp>
#include <catch2/internal/catch_console_width.hpp>
#include <catch2/internal/catch_errno_guard.hpp>
#include <catch2/internal/catch_textflow.hpp>
#include <catch2/internal/catch_stream.hpp>
#include <catch2/internal/catch_string_manip.hpp>
#include <catch2/internal/catch_console_colour.hpp>
#include <catch2/catch_tostring.hpp>
#include <catch2/catch_test_case_info.hpp>
#include <algorithm>
#include <cfloat>
#include <cstdio>
#include <ostream>
#include <iomanip>
namespace Catch {
namespace {
void listTestNamesOnly(std::ostream& out,
std::vector<TestCaseHandle> const& tests) {
for (auto const& test : tests) {
auto const& testCaseInfo = test.getTestCaseInfo();
if (startsWith(testCaseInfo.name, '#')) {
out << '"' << testCaseInfo.name << '"';
} else {
out << testCaseInfo.name;
}
out << '\n';
}
out << std::flush;
}
} // end unnamed 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 std::size_t maxDoubleSize = DBL_MAX_10_EXP + 1 + 1 + 3 + 1;
char buffer[maxDoubleSize];
// Save previous errno, to prevent sprintf from overwriting it
ErrnoGuard guard;
#ifdef _MSC_VER
sprintf_s( buffer, "%.3f", duration );
#else
std::snprintf( buffer, maxDoubleSize, "%.3f", duration );
#endif
return std::string( buffer );
}
bool shouldShowDuration( IConfig const& config, double duration ) {
if ( config.showDurations() == ShowDurations::Always ) {
return true;
}
if ( config.showDurations() == ShowDurations::Never ) {
return false;
}
const double min = config.minDuration();
return min >= 0 && duration >= min;
}
std::string serializeFilters( std::vector<std::string> const& filters ) {
// We add a ' ' separator between each filter
size_t serialized_size = filters.size() - 1;
for (auto const& filter : filters) {
serialized_size += filter.size();
}
std::string serialized;
serialized.reserve(serialized_size);
bool first = true;
for (auto const& filter : filters) {
if (!first) {
serialized.push_back(' ');
}
first = false;
serialized.append(filter);
}
return serialized;
}
std::ostream& operator<<( std::ostream& out, lineOfChars value ) {
for ( size_t idx = 0; idx < CATCH_CONFIG_CONSOLE_WIDTH - 1; ++idx ) {
out.put( value.c );
}
return out;
}
void
defaultListReporters( std::ostream& out,
std::vector<ReporterDescription> const& descriptions,
Verbosity verbosity ) {
out << "Available reporters:\n";
const auto maxNameLen =
std::max_element( descriptions.begin(),
descriptions.end(),
[]( ReporterDescription const& lhs,
ReporterDescription const& rhs ) {
return lhs.name.size() < rhs.name.size();
} )
->name.size();
for ( auto const& desc : descriptions ) {
if ( verbosity == Verbosity::Quiet ) {
out << TextFlow::Column( desc.name )
.indent( 2 )
.width( 5 + maxNameLen )
<< '\n';
} else {
out << TextFlow::Column( desc.name + ":" )
.indent( 2 )
.width( 5 + maxNameLen ) +
TextFlow::Column( desc.description )
.initialIndent( 0 )
.indent( 2 )
.width( CATCH_CONFIG_CONSOLE_WIDTH - maxNameLen - 8 )
<< '\n';
}
}
out << '\n' << std::flush;
}
void defaultListTags( std::ostream& out,
std::vector<TagInfo> const& tags,
bool isFiltered ) {
if ( isFiltered ) {
out << "Tags for matching test cases:\n";
} else {
out << "All available tags:\n";
}
for ( auto const& tagCount : tags ) {
ReusableStringStream rss;
rss << " " << std::setw( 2 ) << tagCount.count << " ";
auto str = rss.str();
auto wrapper = TextFlow::Column( tagCount.all() )
.initialIndent( 0 )
.indent( str.size() )
.width( CATCH_CONFIG_CONSOLE_WIDTH - 10 );
out << str << wrapper << '\n';
}
out << pluralise( tags.size(), "tag" ) << '\n' << std::endl;
}
void defaultListTests(std::ostream& out, std::vector<TestCaseHandle> const& tests, bool isFiltered, Verbosity verbosity) {
// We special case this to provide the equivalent of old
// `--list-test-names-only`, which could then be used by the
// `--input-file` option.
if (verbosity == Verbosity::Quiet) {
listTestNamesOnly(out, tests);
return;
}
if (isFiltered) {
out << "Matching test cases:\n";
} else {
out << "All available test cases:\n";
}
for (auto const& test : tests) {
auto const& testCaseInfo = test.getTestCaseInfo();
Colour::Code colour = testCaseInfo.isHidden()
? Colour::SecondaryText
: Colour::None;
Colour colourGuard(colour);
out << TextFlow::Column(testCaseInfo.name).initialIndent(2).indent(4) << '\n';
if (verbosity >= Verbosity::High) {
out << TextFlow::Column(Catch::Detail::stringify(testCaseInfo.lineInfo)).indent(4) << std::endl;
}
if (!testCaseInfo.tags.empty() &&
verbosity > Verbosity::Quiet) {
out << TextFlow::Column(testCaseInfo.tagsAsString()).indent(6) << '\n';
}
}
if (isFiltered) {
out << pluralise(tests.size(), "matching test case") << '\n' << std::endl;
} else {
out << pluralise(tests.size(), "test case") << '\n' << std::endl;
}
}
} // namespace Catch
#include <catch2/reporters/catch_reporter_event_listener.hpp>
namespace Catch {
void EventListenerBase::assertionStarting( AssertionInfo const& ) {}
bool EventListenerBase::assertionEnded( AssertionStats const& ) {
return false;
}
void EventListenerBase::listReporters(
std::vector<ReporterDescription> const& ) {}
void EventListenerBase::listTests( std::vector<TestCaseHandle> const& ) {}
void EventListenerBase::listTags( std::vector<TagInfo> const& ) {}
void EventListenerBase::noMatchingTestCases( std::string const& ) {}
void EventListenerBase::testRunStarting( TestRunInfo const& ) {}
void EventListenerBase::testGroupStarting( GroupInfo const& ) {}
void EventListenerBase::testCaseStarting( TestCaseInfo const& ) {}
void EventListenerBase::sectionStarting( SectionInfo const& ) {}
void EventListenerBase::sectionEnded( SectionStats const& ) {}
void EventListenerBase::testCaseEnded( TestCaseStats const& ) {}
void EventListenerBase::testGroupEnded( TestGroupStats const& ) {}
void EventListenerBase::testRunEnded( TestRunStats const& ) {}
void EventListenerBase::skipTest( TestCaseInfo const& ) {}
} // namespace Catch