catch2/include/internal/catch_runner_impl.hpp

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/*
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* 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
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#include "catch_interfaces_runner.h"
#include "catch_interfaces_reporter.h"
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#include "catch_interfaces_exception.h"
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#include "catch_config.hpp"
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#include "catch_test_registry.hpp"
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#include "catch_test_case_info.h"
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#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"
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#include <set>
#include <string>
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namespace Catch {
class StreamRedirect {
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public:
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StreamRedirect( std::ostream& stream, std::string& targetString )
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: m_stream( stream ),
m_prevBuf( stream.rdbuf() ),
m_targetString( targetString )
{
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stream.rdbuf( m_oss.rdbuf() );
}
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~StreamRedirect() {
m_targetString += m_oss.str();
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m_stream.rdbuf( m_prevBuf );
}
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private:
std::ostream& m_stream;
std::streambuf* m_prevBuf;
std::ostringstream m_oss;
std::string& m_targetString;
};
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///////////////////////////////////////////////////////////////////////////
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class RunContext : public IResultCapture, public IRunner {
RunContext( RunContext const& );
void operator =( RunContext const& );
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public:
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explicit RunContext( Ptr<IConfig const> const& _config, Ptr<IStreamingReporter> const& reporter )
: m_runInfo( _config->name() ),
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m_context( getCurrentMutableContext() ),
m_activeTestCase( CATCH_NULL ),
m_config( _config ),
m_reporter( reporter ),
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m_prevRunner( m_context.getRunner() ),
m_prevResultCapture( m_context.getResultCapture() ),
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m_prevConfig( m_context.getConfig() )
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{
m_context.setRunner( this );
m_context.setConfig( m_config );
m_context.setResultCapture( this );
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m_reporter->testRunStarting( m_runInfo );
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}
virtual ~RunContext() {
m_reporter->testRunEnded( TestRunStats( m_runInfo, m_totals, aborting() ) );
m_context.setRunner( m_prevRunner );
m_context.setConfig( Ptr<IConfig const>() );
m_context.setResultCapture( m_prevResultCapture );
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m_context.setConfig( m_prevConfig );
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}
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 );
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m_activeTestCase = &testCase;
m_testCaseTracker = TestCaseTracker( testInfo.name );
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do {
do {
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runCurrentTest( redirectedCout, redirectedCerr );
}
while( !m_testCaseTracker->isCompleted() && !aborting() );
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}
while( getCurrentContext().advanceGeneratorsForCurrentTest() && !aborting() );
Totals deltaTotals = m_totals.delta( prevTotals );
m_totals.testCases += deltaTotals.testCases;
m_reporter->testCaseEnded( TestCaseStats( testInfo,
deltaTotals,
redirectedCout,
redirectedCerr,
aborting() ) );
m_activeTestCase = CATCH_NULL;
m_testCaseTracker.reset();
return deltaTotals;
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}
Ptr<IConfig const> config() const {
return m_config;
}
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private: // IResultCapture
virtual void assertionEnded( AssertionResult const& result ) {
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if( result.getResultType() == ResultWas::Ok ) {
m_totals.assertions.passed++;
}
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else if( !result.isOk() ) {
m_totals.assertions.failed++;
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}
if( m_reporter->assertionEnded( AssertionStats( result, m_messages, m_totals ) ) )
m_messages.clear();
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// Reset working state
m_lastAssertionInfo = AssertionInfo( "", m_lastAssertionInfo.lineInfo, "{Unknown expression after the reported line}" , m_lastAssertionInfo.resultDisposition );
m_lastResult = result;
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}
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virtual bool sectionStarted (
SectionInfo const& sectionInfo,
Counts& assertions
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)
{
std::ostringstream oss;
oss << sectionInfo.name << "@" << sectionInfo.lineInfo;
if( !m_testCaseTracker->enterSection( oss.str() ) )
return false;
m_lastAssertionInfo.lineInfo = sectionInfo.lineInfo;
m_reporter->sectionStarting( sectionInfo );
assertions = m_totals.assertions;
return true;
}
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bool testForMissingAssertions( Counts& assertions ) {
if( assertions.total() != 0 ||
!m_config->warnAboutMissingAssertions() ||
m_testCaseTracker->currentSectionHasChildren() )
return false;
m_totals.assertions.failed++;
assertions.failed++;
return true;
}
virtual void sectionEnded( SectionInfo const& info, Counts const& prevAssertions, double _durationInSeconds ) {
if( std::uncaught_exception() ) {
m_unfinishedSections.push_back( UnfinishedSections( info, prevAssertions, _durationInSeconds ) );
return;
}
Counts assertions = m_totals.assertions - prevAssertions;
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bool missingAssertions = testForMissingAssertions( assertions );
m_testCaseTracker->leaveSection();
m_reporter->sectionEnded( SectionStats( info, assertions, _durationInSeconds, missingAssertions ) );
m_messages.clear();
}
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() );
}
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virtual std::string getCurrentTestName() const {
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return m_activeTestCase
? m_activeTestCase->getTestCaseInfo().name
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: "";
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}
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virtual const AssertionResult* getLastResult() const {
return &m_lastResult;
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}
virtual void handleFatalErrorCondition( std::string const& message ) {
ResultBuilder resultBuilder = makeUnexpectedResultBuilder();
resultBuilder.setResultType( ResultWas::FatalErrorCondition );
resultBuilder << message;
resultBuilder.captureExpression();
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;
m_reporter->testCaseEnded( TestCaseStats( testInfo,
deltaTotals,
"",
"",
false ) );
m_totals.testCases.failed++;
testGroupEnded( "", m_totals, 1, 1 );
m_reporter->testRunEnded( TestRunStats( m_runInfo, m_totals, false ) );
}
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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() );
}
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private:
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void runCurrentTest( std::string& redirectedCout, std::string& redirectedCerr ) {
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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;
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try {
m_lastAssertionInfo = AssertionInfo( "TEST_CASE", testCaseInfo.lineInfo, "", ResultDisposition::Normal );
TestCaseTracker::Guard guard( *m_testCaseTracker );
seedRng( *m_config );
Timer timer;
timer.start();
if( m_reporter->getPreferences().shouldRedirectStdOut ) {
StreamRedirect coutRedir( Catch::cout(), redirectedCout );
StreamRedirect cerrRedir( Catch::cerr(), redirectedCerr );
invokeActiveTestCase();
}
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else {
invokeActiveTestCase();
}
duration = timer.getElapsedSeconds();
}
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catch( TestFailureException& ) {
// This just means the test was aborted due to failure
}
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catch(...) {
makeUnexpectedResultBuilder().useActiveException();
}
handleUnfinishedSections();
m_messages.clear();
Counts assertions = m_totals.assertions - prevAssertions;
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bool missingAssertions = testForMissingAssertions( assertions );
if( testCaseInfo.okToFail() ) {
std::swap( assertions.failedButOk, assertions.failed );
m_totals.assertions.failed -= assertions.failedButOk;
m_totals.assertions.failedButOk += assertions.failedButOk;
}
SectionStats testCaseSectionStats( testCaseSection, assertions, duration, missingAssertions );
m_reporter->sectionEnded( testCaseSectionStats );
}
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void invokeActiveTestCase() {
FatalConditionHandler fatalConditionHandler; // Handle signals
m_activeTestCase->invoke();
fatalConditionHandler.reset();
}
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private:
ResultBuilder makeUnexpectedResultBuilder() const {
return ResultBuilder( m_lastAssertionInfo.macroName.c_str(),
m_lastAssertionInfo.lineInfo,
m_lastAssertionInfo.capturedExpression.c_str(),
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<UnfinishedSections>::const_reverse_iterator it = m_unfinishedSections.rbegin(),
itEnd = m_unfinishedSections.rend();
it != itEnd;
++it )
sectionEnded( it->info, it->prevAssertions, it->durationInSeconds );
m_unfinishedSections.clear();
}
struct UnfinishedSections {
UnfinishedSections( SectionInfo const& _info, Counts const& _prevAssertions, double _durationInSeconds )
: info( _info ), prevAssertions( _prevAssertions ), durationInSeconds( _durationInSeconds )
{}
SectionInfo info;
Counts prevAssertions;
double durationInSeconds;
};
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TestRunInfo m_runInfo;
IMutableContext& m_context;
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TestCase const* m_activeTestCase;
Option<TestCaseTracker> m_testCaseTracker;
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AssertionResult m_lastResult;
Ptr<IConfig const> m_config;
Totals m_totals;
Ptr<IStreamingReporter> m_reporter;
std::vector<MessageInfo> m_messages;
IRunner* m_prevRunner;
IResultCapture* m_prevResultCapture;
Ptr<IConfig const> m_prevConfig;
AssertionInfo m_lastAssertionInfo;
std::vector<UnfinishedSections> m_unfinishedSections;
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};
IResultCapture& getResultCapture() {
if( IResultCapture* capture = getCurrentContext().getResultCapture() )
return *capture;
else
throw std::logic_error( "No result capture instance" );
}
} // end namespace Catch
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#endif // TWOBLUECUBES_CATCH_RUNNER_IMPL_HPP_INCLUDED