catch2/include/internal/catch_run_context.hpp

420 lines
16 KiB
C++

/*
* Created by Phil on 22/10/2010.
* Copyright 2010 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)
*/
#ifndef TWOBLUECUBES_CATCH_RUNNER_IMPL_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_RUNNER_IMPL_HPP_INCLUDED
#include "catch_interfaces_runner.h"
#include "catch_interfaces_reporter.h"
#include "catch_interfaces_exception.h"
#include "catch_config.hpp"
#include "catch_test_registry.hpp"
#include "catch_test_case_info.h"
#include "catch_capture.hpp"
#include "catch_totals.hpp"
#include "catch_test_spec.hpp"
#include "catch_test_case_tracker.hpp"
#include "catch_timer.h"
#include "catch_result_builder.h"
#include "catch_fatal_condition.hpp"
#include <set>
#include <string>
namespace Catch {
class StreamRedirect {
public:
StreamRedirect( std::ostream& stream, std::string& targetString )
: m_stream( stream ),
m_prevBuf( stream.rdbuf() ),
m_targetString( targetString )
{
stream.rdbuf( m_oss.rdbuf() );
}
~StreamRedirect() {
m_targetString += m_oss.str();
m_stream.rdbuf( m_prevBuf );
}
private:
std::ostream& m_stream;
std::streambuf* m_prevBuf;
std::ostringstream m_oss;
std::string& m_targetString;
};
// StdErr has two constituent streams in C++, std::cerr and std::clog
// This means that we need to redirect 2 streams into 1 to keep proper
// order of writes and cannot use StreamRedirect on its own
class StdErrRedirect {
public:
StdErrRedirect(std::string& targetString)
:m_cerrBuf( cerr().rdbuf() ), m_clogBuf(clog().rdbuf()),
m_targetString(targetString){
cerr().rdbuf(m_oss.rdbuf());
clog().rdbuf(m_oss.rdbuf());
}
~StdErrRedirect() {
m_targetString += m_oss.str();
cerr().rdbuf(m_cerrBuf);
clog().rdbuf(m_clogBuf);
}
private:
std::streambuf* m_cerrBuf;
std::streambuf* m_clogBuf;
std::ostringstream m_oss;
std::string& m_targetString;
};
///////////////////////////////////////////////////////////////////////////
class RunContext : public IResultCapture, public IRunner {
RunContext( RunContext const& );
void operator =( RunContext const& );
public:
explicit RunContext( Ptr<IConfig const> const& _config, Ptr<IStreamingReporter> const& reporter )
: m_runInfo( _config->name() ),
m_context( getCurrentMutableContext() ),
m_activeTestCase( CATCH_NULL ),
m_config( _config ),
m_reporter( reporter ),
m_shouldReportUnexpected ( true )
{
m_context.setRunner( this );
m_context.setConfig( m_config );
m_context.setResultCapture( this );
m_reporter->testRunStarting( m_runInfo );
}
virtual ~RunContext() {
m_reporter->testRunEnded( TestRunStats( m_runInfo, m_totals, aborting() ) );
}
void testGroupStarting( std::string const& testSpec, std::size_t groupIndex, std::size_t groupsCount ) {
m_reporter->testGroupStarting( GroupInfo( testSpec, groupIndex, groupsCount ) );
}
void testGroupEnded( std::string const& testSpec, Totals const& totals, std::size_t groupIndex, std::size_t groupsCount ) {
m_reporter->testGroupEnded( TestGroupStats( GroupInfo( testSpec, groupIndex, groupsCount ), totals, aborting() ) );
}
Totals runTest( TestCase const& testCase ) {
Totals prevTotals = m_totals;
std::string redirectedCout;
std::string redirectedCerr;
TestCaseInfo testInfo = testCase.getTestCaseInfo();
m_reporter->testCaseStarting( testInfo );
m_activeTestCase = &testCase;
do {
ITracker& rootTracker = m_trackerContext.startRun();
assert( rootTracker.isSectionTracker() );
static_cast<SectionTracker&>( rootTracker ).addInitialFilters( m_config->getSectionsToRun() );
do {
m_trackerContext.startCycle();
m_testCaseTracker = &SectionTracker::acquire( m_trackerContext, TestCaseTracking::NameAndLocation( testInfo.name, testInfo.lineInfo ) );
runCurrentTest( redirectedCout, redirectedCerr );
}
while( !m_testCaseTracker->isSuccessfullyCompleted() && !aborting() );
}
// !TBD: deprecated - this will be replaced by indexed trackers
while( getCurrentContext().advanceGeneratorsForCurrentTest() && !aborting() );
Totals deltaTotals = m_totals.delta( prevTotals );
if( testInfo.expectedToFail() && deltaTotals.testCases.passed > 0 ) {
deltaTotals.assertions.failed++;
deltaTotals.testCases.passed--;
deltaTotals.testCases.failed++;
}
m_totals.testCases += deltaTotals.testCases;
m_reporter->testCaseEnded( TestCaseStats( testInfo,
deltaTotals,
redirectedCout,
redirectedCerr,
aborting() ) );
m_activeTestCase = CATCH_NULL;
m_testCaseTracker = CATCH_NULL;
return deltaTotals;
}
Ptr<IConfig const> config() const {
return m_config;
}
private: // IResultCapture
virtual void assertionEnded( AssertionResult const& result ) {
if( result.getResultType() == ResultWas::Ok ) {
m_totals.assertions.passed++;
}
else if( !result.isOk() ) {
if( m_activeTestCase->getTestCaseInfo().okToFail() )
m_totals.assertions.failedButOk++;
else
m_totals.assertions.failed++;
}
// We have no use for the return value (whether messages should be cleared), because messages were made scoped
// and should be let to clear themselves out.
static_cast<void>(m_reporter->assertionEnded(AssertionStats(result, m_messages, m_totals)));
// Reset working state
m_lastAssertionInfo = AssertionInfo( "", m_lastAssertionInfo.lineInfo, "{Unknown expression after the reported line}" , m_lastAssertionInfo.resultDisposition );
m_lastResult = result;
}
virtual bool lastAssertionPassed()
{
return m_totals.assertions.passed == (m_prevPassed + 1);
}
virtual void assertionPassed()
{
m_totals.assertions.passed++;
m_lastAssertionInfo.capturedExpression = "{Unknown expression after the reported line}";
m_lastAssertionInfo.macroName = "";
}
virtual void assertionRun()
{
m_prevPassed = m_totals.assertions.passed;
}
virtual bool sectionStarted (
SectionInfo const& sectionInfo,
Counts& assertions
)
{
ITracker& sectionTracker = SectionTracker::acquire( m_trackerContext, TestCaseTracking::NameAndLocation( sectionInfo.name, sectionInfo.lineInfo ) );
if( !sectionTracker.isOpen() )
return false;
m_activeSections.push_back( &sectionTracker );
m_lastAssertionInfo.lineInfo = sectionInfo.lineInfo;
m_reporter->sectionStarting( sectionInfo );
assertions = m_totals.assertions;
return true;
}
bool testForMissingAssertions( Counts& assertions ) {
if( assertions.total() != 0 )
return false;
if( !m_config->warnAboutMissingAssertions() )
return false;
if( m_trackerContext.currentTracker().hasChildren() )
return false;
m_totals.assertions.failed++;
assertions.failed++;
return true;
}
virtual void sectionEnded( SectionEndInfo const& endInfo ) {
Counts assertions = m_totals.assertions - endInfo.prevAssertions;
bool missingAssertions = testForMissingAssertions( assertions );
if( !m_activeSections.empty() ) {
m_activeSections.back()->close();
m_activeSections.pop_back();
}
m_reporter->sectionEnded( SectionStats( endInfo.sectionInfo, assertions, endInfo.durationInSeconds, missingAssertions ) );
m_messages.clear();
}
virtual void sectionEndedEarly( SectionEndInfo const& endInfo ) {
if( m_unfinishedSections.empty() )
m_activeSections.back()->fail();
else
m_activeSections.back()->close();
m_activeSections.pop_back();
m_unfinishedSections.push_back( endInfo );
}
virtual void pushScopedMessage( MessageInfo const& message ) {
m_messages.push_back( message );
}
virtual void popScopedMessage( MessageInfo const& message ) {
m_messages.erase( std::remove( m_messages.begin(), m_messages.end(), message ), m_messages.end() );
}
virtual std::string getCurrentTestName() const {
return m_activeTestCase
? m_activeTestCase->getTestCaseInfo().name
: std::string();
}
virtual const AssertionResult* getLastResult() const {
return &m_lastResult;
}
virtual void exceptionEarlyReported() {
m_shouldReportUnexpected = false;
}
virtual void handleFatalErrorCondition( std::string const& message ) {
// Don't rebuild the result -- the stringification itself can cause more fatal errors
// Instead, fake a result data.
AssertionResultData tempResult;
tempResult.resultType = ResultWas::FatalErrorCondition;
tempResult.message = message;
AssertionResult result(m_lastAssertionInfo, tempResult);
getResultCapture().assertionEnded(result);
handleUnfinishedSections();
// Recreate section for test case (as we will lose the one that was in scope)
TestCaseInfo const& testCaseInfo = m_activeTestCase->getTestCaseInfo();
SectionInfo testCaseSection( testCaseInfo.lineInfo, testCaseInfo.name, testCaseInfo.description );
Counts assertions;
assertions.failed = 1;
SectionStats testCaseSectionStats( testCaseSection, assertions, 0, false );
m_reporter->sectionEnded( testCaseSectionStats );
TestCaseInfo testInfo = m_activeTestCase->getTestCaseInfo();
Totals deltaTotals;
deltaTotals.testCases.failed = 1;
deltaTotals.assertions.failed = 1;
m_reporter->testCaseEnded( TestCaseStats( testInfo,
deltaTotals,
std::string(),
std::string(),
false ) );
m_totals.testCases.failed++;
testGroupEnded( std::string(), m_totals, 1, 1 );
m_reporter->testRunEnded( TestRunStats( m_runInfo, m_totals, false ) );
}
public:
// !TBD We need to do this another way!
bool aborting() const {
return m_totals.assertions.failed == static_cast<std::size_t>( m_config->abortAfter() );
}
private:
void runCurrentTest( std::string& redirectedCout, std::string& redirectedCerr ) {
TestCaseInfo const& testCaseInfo = m_activeTestCase->getTestCaseInfo();
SectionInfo testCaseSection( testCaseInfo.lineInfo, testCaseInfo.name, testCaseInfo.description );
m_reporter->sectionStarting( testCaseSection );
Counts prevAssertions = m_totals.assertions;
double duration = 0;
m_shouldReportUnexpected = true;
try {
m_lastAssertionInfo = AssertionInfo( "TEST_CASE", testCaseInfo.lineInfo, "", ResultDisposition::Normal );
seedRng( *m_config );
Timer timer;
timer.start();
if( m_reporter->getPreferences().shouldRedirectStdOut ) {
StreamRedirect coutRedir( Catch::cout(), redirectedCout );
StdErrRedirect errRedir( redirectedCerr );
invokeActiveTestCase();
}
else {
invokeActiveTestCase();
}
duration = timer.getElapsedSeconds();
}
catch( TestFailureException& ) {
// This just means the test was aborted due to failure
}
catch(...) {
// Under CATCH_CONFIG_FAST_COMPILE, unexpected exceptions under REQUIRE assertions
// are reported without translation at the point of origin.
if (m_shouldReportUnexpected) {
makeUnexpectedResultBuilder().useActiveException();
}
}
m_testCaseTracker->close();
handleUnfinishedSections();
m_messages.clear();
Counts assertions = m_totals.assertions - prevAssertions;
bool missingAssertions = testForMissingAssertions( assertions );
SectionStats testCaseSectionStats( testCaseSection, assertions, duration, missingAssertions );
m_reporter->sectionEnded( testCaseSectionStats );
}
void invokeActiveTestCase() {
FatalConditionHandler fatalConditionHandler; // Handle signals
m_activeTestCase->invoke();
fatalConditionHandler.reset();
}
private:
ResultBuilder makeUnexpectedResultBuilder() const {
return ResultBuilder( m_lastAssertionInfo.macroName,
m_lastAssertionInfo.lineInfo,
m_lastAssertionInfo.capturedExpression,
m_lastAssertionInfo.resultDisposition );
}
void handleUnfinishedSections() {
// If sections ended prematurely due to an exception we stored their
// infos here so we can tear them down outside the unwind process.
for( std::vector<SectionEndInfo>::const_reverse_iterator it = m_unfinishedSections.rbegin(),
itEnd = m_unfinishedSections.rend();
it != itEnd;
++it )
sectionEnded( *it );
m_unfinishedSections.clear();
}
TestRunInfo m_runInfo;
IMutableContext& m_context;
TestCase const* m_activeTestCase;
ITracker* m_testCaseTracker;
ITracker* m_currentSectionTracker;
AssertionResult m_lastResult;
Ptr<IConfig const> m_config;
Totals m_totals;
Ptr<IStreamingReporter> m_reporter;
std::vector<MessageInfo> m_messages;
AssertionInfo m_lastAssertionInfo;
std::vector<SectionEndInfo> m_unfinishedSections;
std::vector<ITracker*> m_activeSections;
TrackerContext m_trackerContext;
size_t m_prevPassed;
bool m_shouldReportUnexpected;
};
IResultCapture& getResultCapture() {
if( IResultCapture* capture = getCurrentContext().getResultCapture() )
return *capture;
else
throw std::logic_error( "No result capture instance" );
}
} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_RUNNER_IMPL_HPP_INCLUDED