mirror of
https://github.com/catchorg/Catch2.git
synced 2024-11-14 09:49:54 +01:00
d36c15c3ca
This should decrease the number of allocations before main is entered significantly, but complicates the code somewhat in return. Assuming I used `massif` right, doing just `SelfTest --list-tests` went from 929 allocations at "Remove gcc-4.9 from the travis builds" (2 commits up), to 614 allocations with this commit.
303 lines
11 KiB
C++
303 lines
11 KiB
C++
/*
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* Created by Martin on 31/08/2017.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include "catch_session.h"
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#include "catch_commandline.h"
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#include "catch_console_colour.h"
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#include "catch_enforce.h"
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#include "catch_list.h"
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#include "catch_context.h"
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#include "catch_run_context.h"
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#include "catch_stream.h"
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#include "catch_test_spec.h"
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#include "catch_version.h"
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#include "catch_interfaces_reporter.h"
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#include "catch_random_number_generator.h"
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#include "catch_startup_exception_registry.h"
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#include "catch_text.h"
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#include "catch_stream.h"
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#include "catch_windows_h_proxy.h"
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#include "../reporters/catch_reporter_listening.h"
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#include <cstdlib>
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#include <iomanip>
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#include <set>
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#include <iterator>
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namespace Catch {
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namespace {
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const int MaxExitCode = 255;
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IStreamingReporterPtr createReporter(std::string const& reporterName, IConfigPtr const& config) {
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auto reporter = Catch::getRegistryHub().getReporterRegistry().create(reporterName, config);
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CATCH_ENFORCE(reporter, "No reporter registered with name: '" << reporterName << "'");
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return reporter;
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}
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IStreamingReporterPtr makeReporter(std::shared_ptr<Config> const& config) {
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if (Catch::getRegistryHub().getReporterRegistry().getListeners().empty()) {
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return createReporter(config->getReporterName(), config);
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}
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// On older platforms, returning std::unique_ptr<ListeningReporter>
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// when the return type is std::unique_ptr<IStreamingReporter>
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// doesn't compile without a std::move call. However, this causes
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// a warning on newer platforms. Thus, we have to work around
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// it a bit and downcast the pointer manually.
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auto ret = std::unique_ptr<IStreamingReporter>(new ListeningReporter);
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auto& multi = static_cast<ListeningReporter&>(*ret);
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auto const& listeners = Catch::getRegistryHub().getReporterRegistry().getListeners();
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for (auto const& listener : listeners) {
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multi.addListener(listener->create(Catch::ReporterConfig(config)));
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}
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multi.addReporter(createReporter(config->getReporterName(), config));
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return ret;
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}
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class TestGroup {
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public:
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explicit TestGroup(IStreamingReporterPtr&& reporter, std::shared_ptr<Config> const& config)
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: m_config{config}
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, m_context{config, std::move(reporter)}
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{
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auto const& allTestCases = getAllTestCasesSorted(*m_config);
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m_matches = m_config->testSpec().matchesByFilter(allTestCases, *m_config);
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auto const& invalidArgs = m_config->testSpec().getInvalidArgs();
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if (m_matches.empty() && invalidArgs.empty()) {
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for (auto const& test : allTestCases)
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if (!test.getTestCaseInfo().isHidden())
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m_tests.emplace(&test);
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} else {
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for (auto const& match : m_matches)
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m_tests.insert(match.tests.begin(), match.tests.end());
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}
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}
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Totals execute() {
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auto const& invalidArgs = m_config->testSpec().getInvalidArgs();
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Totals totals;
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m_context.testGroupStarting(m_config->name(), 1, 1);
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for (auto const& testCase : m_tests) {
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if (!m_context.aborting())
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totals += m_context.runTest(*testCase);
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else
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m_context.reporter().skipTest(testCase->getTestCaseInfo());
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}
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for (auto const& match : m_matches) {
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if (match.tests.empty()) {
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m_context.reporter().noMatchingTestCases(match.name);
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totals.error = -1;
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}
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}
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if (!invalidArgs.empty()) {
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for (auto const& invalidArg: invalidArgs)
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m_context.reporter().reportInvalidArguments(invalidArg);
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}
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m_context.testGroupEnded(m_config->name(), totals, 1, 1);
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return totals;
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}
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private:
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using Tests = std::set<TestCaseHandle const*>;
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std::shared_ptr<Config> m_config;
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RunContext m_context;
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Tests m_tests;
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TestSpec::Matches m_matches;
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};
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void applyFilenamesAsTags() {
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for (auto const& testInfo : getRegistryHub().getTestCaseRegistry().getAllInfos()) {
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testInfo->addFilenameTag();
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}
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}
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} // anon namespace
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Session::Session() {
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static bool alreadyInstantiated = false;
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if( alreadyInstantiated ) {
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CATCH_TRY { CATCH_INTERNAL_ERROR( "Only one instance of Catch::Session can ever be used" ); }
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CATCH_CATCH_ALL { getMutableRegistryHub().registerStartupException(); }
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}
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// There cannot be exceptions at startup in no-exception mode.
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#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
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const auto& exceptions = getRegistryHub().getStartupExceptionRegistry().getExceptions();
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if ( !exceptions.empty() ) {
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config();
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getCurrentMutableContext().setConfig(m_config);
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m_startupExceptions = true;
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Colour colourGuard( Colour::Red );
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Catch::cerr() << "Errors occurred during startup!" << '\n';
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// iterate over all exceptions and notify user
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for ( const auto& ex_ptr : exceptions ) {
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try {
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std::rethrow_exception(ex_ptr);
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} catch ( std::exception const& ex ) {
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Catch::cerr() << Column( ex.what() ).indent(2) << '\n';
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}
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}
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}
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#endif
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alreadyInstantiated = true;
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m_cli = makeCommandLineParser( m_configData );
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}
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Session::~Session() {
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Catch::cleanUp();
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}
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void Session::showHelp() const {
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Catch::cout()
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<< "\nCatch v" << libraryVersion() << "\n"
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<< m_cli << std::endl
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<< "For more detailed usage please see the project docs\n" << std::endl;
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}
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void Session::libIdentify() {
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Catch::cout()
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<< std::left << std::setw(16) << "description: " << "A Catch2 test executable\n"
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<< std::left << std::setw(16) << "category: " << "testframework\n"
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<< std::left << std::setw(16) << "framework: " << "Catch Test\n"
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<< std::left << std::setw(16) << "version: " << libraryVersion() << std::endl;
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}
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int Session::applyCommandLine( int argc, char const * const * argv ) {
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if( m_startupExceptions )
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return 1;
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auto result = m_cli.parse( clara::Args( argc, argv ) );
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if( !result ) {
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config();
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getCurrentMutableContext().setConfig(m_config);
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Catch::cerr()
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<< Colour( Colour::Red )
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<< "\nError(s) in input:\n"
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<< Column( result.errorMessage() ).indent( 2 )
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<< "\n\n";
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Catch::cerr() << "Run with -? for usage\n" << std::endl;
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return MaxExitCode;
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}
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if( m_configData.showHelp )
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showHelp();
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if( m_configData.libIdentify )
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libIdentify();
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m_config.reset();
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return 0;
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}
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#if defined(CATCH_CONFIG_WCHAR) && defined(_WIN32) && defined(UNICODE)
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int Session::applyCommandLine( int argc, wchar_t const * const * argv ) {
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char **utf8Argv = new char *[ argc ];
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for ( int i = 0; i < argc; ++i ) {
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int bufSize = WideCharToMultiByte( CP_UTF8, 0, argv[i], -1, NULL, 0, NULL, NULL );
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utf8Argv[ i ] = new char[ bufSize ];
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WideCharToMultiByte( CP_UTF8, 0, argv[i], -1, utf8Argv[i], bufSize, NULL, NULL );
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}
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int returnCode = applyCommandLine( argc, utf8Argv );
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for ( int i = 0; i < argc; ++i )
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delete [] utf8Argv[ i ];
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delete [] utf8Argv;
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return returnCode;
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}
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#endif
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void Session::useConfigData( ConfigData const& configData ) {
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m_configData = configData;
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m_config.reset();
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}
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int Session::run() {
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if( ( m_configData.waitForKeypress & WaitForKeypress::BeforeStart ) != 0 ) {
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Catch::cout() << "...waiting for enter/ return before starting" << std::endl;
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static_cast<void>(std::getchar());
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}
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int exitCode = runInternal();
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if( ( m_configData.waitForKeypress & WaitForKeypress::BeforeExit ) != 0 ) {
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Catch::cout() << "...waiting for enter/ return before exiting, with code: " << exitCode << std::endl;
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static_cast<void>(std::getchar());
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}
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return exitCode;
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}
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clara::Parser const& Session::cli() const {
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return m_cli;
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}
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void Session::cli( clara::Parser const& newParser ) {
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m_cli = newParser;
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}
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ConfigData& Session::configData() {
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return m_configData;
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}
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Config& Session::config() {
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if( !m_config )
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m_config = std::make_shared<Config>( m_configData );
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return *m_config;
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}
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int Session::runInternal() {
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if( m_startupExceptions )
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return 1;
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if (m_configData.showHelp || m_configData.libIdentify) {
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return 0;
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}
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CATCH_TRY {
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config(); // Force config to be constructed
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seedRng( *m_config );
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if (m_configData.filenamesAsTags) {
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applyFilenamesAsTags();
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}
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// Create reporter(s) so we can route listings through them
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auto reporter = makeReporter(m_config);
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// Handle list request
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if (list(*reporter, m_config)) {
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return 0;
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}
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TestGroup tests { std::move(reporter), m_config };
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auto const totals = tests.execute();
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if( m_config->warnAboutNoTests() && totals.error == -1 )
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return 2;
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// Note that on unices only the lower 8 bits are usually used, clamping
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// the return value to 255 prevents false negative when some multiple
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// of 256 tests has failed
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return (std::min) (MaxExitCode, (std::max) (totals.error, static_cast<int>(totals.assertions.failed)));
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}
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#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
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catch( std::exception& ex ) {
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Catch::cerr() << ex.what() << std::endl;
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return MaxExitCode;
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}
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#endif
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}
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} // end namespace Catch
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