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_running_test.hpp"
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#include "catch_test_spec.h"
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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() ),
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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 );
}
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 {
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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_runningTest( NULL ),
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m_config( config ),
m_reporter( reporter ),
m_prevRunner( &m_context.getRunner() ),
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m_prevResultCapture( &m_context.getResultCapture() ),
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( NULL );
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 runMatching( std::string const& testSpec, std::size_t groupIndex, std::size_t groupsCount ) {
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std::vector<TestCase> matchingTests = getRegistryHub().getTestCaseRegistry().getMatchingTestCases( testSpec );
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Totals totals;
testGroupStarting( testSpec, groupIndex, groupsCount );
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std::vector<TestCase>::const_iterator it = matchingTests.begin();
std::vector<TestCase>::const_iterator itEnd = matchingTests.end();
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for(; it != itEnd; ++it )
totals += runTest( *it );
testGroupEnded( testSpec, totals, groupIndex, groupsCount );
return totals;
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}
Totals runTest( TestCase const& testCase ) {
Totals prevTotals = m_totals;
std::string redirectedCout;
std::string redirectedCerr;
TestCaseInfo testInfo = testCase.getTestCaseInfo();
m_reporter->testCaseStarting( testInfo );
m_runningTest = new RunningTest( testCase );
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do {
do {
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runCurrentTest( redirectedCout, redirectedCerr );
}
while( m_runningTest->hasUntestedSections() && !aborting() );
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}
while( getCurrentContext().advanceGeneratorsForCurrentTest() && !aborting() );
Totals deltaTotals = m_totals.delta( prevTotals );
bool missingAssertions = false;
if( deltaTotals.assertions.total() == 0 && m_config->warnAboutMissingAssertions() ) {
m_totals.assertions.failed++;
deltaTotals = m_totals.delta( prevTotals );
missingAssertions = true;
}
m_totals.testCases += deltaTotals.testCases;
m_reporter->testCaseEnded( TestCaseStats( testInfo,
deltaTotals,
redirectedCout,
redirectedCerr,
missingAssertions,
aborting() ) );
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delete m_runningTest;
m_runningTest = NULL;
return deltaTotals;
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}
Ptr<IConfig const> config() const {
return m_config;
}
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private: // IResultCapture
virtual ResultAction::Value acceptExpression( ExpressionResultBuilder const& assertionResult, AssertionInfo const& assertionInfo ) {
m_lastAssertionInfo = assertionInfo;
return actOnCurrentResult( assertionResult.buildResult( assertionInfo ) );
}
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 );
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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_runningTest->addSection( oss.str() ) )
return false;
m_lastAssertionInfo.lineInfo = sectionInfo.lineInfo;
m_reporter->sectionStarting( sectionInfo );
assertions = m_totals.assertions;
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return true;
}
virtual void sectionEnded( SectionInfo const& info, Counts const& prevAssertions ) {
if( std::uncaught_exception() ) {
m_unfinishedSections.push_back( UnfinishedSections( info, prevAssertions ) );
return;
}
Counts assertions = m_totals.assertions - prevAssertions;
bool missingAssertions = false;
if( assertions.total() == 0 &&
m_config->warnAboutMissingAssertions() &&
!m_runningTest->isBranchSection() ) {
m_totals.assertions.failed++;
assertions.failed++;
missingAssertions = true;
}
m_runningTest->endSection( info.name, false );
m_reporter->sectionEnded( SectionStats( info, assertions, 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 bool shouldDebugBreak() const {
return m_config->shouldDebugBreak();
}
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virtual std::string getCurrentTestName() const {
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return m_runningTest
? m_runningTest->getTestCase().getTestCaseInfo().name
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: "";
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}
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virtual const AssertionResult* getLastResult() const {
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return &m_lastResult;
}
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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:
ResultAction::Value actOnCurrentResult( AssertionResult const& result ) {
m_lastResult = result;
assertionEnded( m_lastResult );
ResultAction::Value action = ResultAction::None;
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if( !m_lastResult.isOk() ) {
action = ResultAction::Failed;
if( shouldDebugBreak() )
action = (ResultAction::Value)( action | ResultAction::Debug );
if( aborting() )
action = (ResultAction::Value)( action | ResultAction::Abort );
}
return action;
}
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void runCurrentTest( std::string& redirectedCout, std::string& redirectedCerr ) {
try {
m_lastAssertionInfo = AssertionInfo( "TEST_CASE", m_runningTest->getTestCase().getTestCaseInfo().lineInfo, "", ResultDisposition::Normal );
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m_runningTest->reset();
if( m_reporter->getPreferences().shouldRedirectStdOut ) {
StreamRedirect coutRedir( std::cout, redirectedCout );
StreamRedirect cerrRedir( std::cerr, redirectedCerr );
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m_runningTest->getTestCase().invoke();
}
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else {
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m_runningTest->getTestCase().invoke();
}
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m_runningTest->ranToCompletion();
}
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catch( TestFailureException& ) {
// This just means the test was aborted due to failure
}
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catch(...) {
ExpressionResultBuilder exResult( ResultWas::ThrewException );
exResult << translateActiveException();
actOnCurrentResult( exResult.buildResult( m_lastAssertionInfo ) );
}
for( std::vector<UnfinishedSections>::const_iterator it = m_unfinishedSections.begin(),
itEnd = m_unfinishedSections.end();
it != itEnd;
++it )
sectionEnded( it->info, it->prevAssertions );
m_unfinishedSections.clear();
m_messages.clear();
}
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private:
struct UnfinishedSections {
UnfinishedSections( SectionInfo const& _info, Counts const& _prevAssertions )
: info( _info ), prevAssertions( _prevAssertions )
{}
SectionInfo info;
Counts prevAssertions;
};
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TestRunInfo m_runInfo;
IMutableContext& m_context;
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RunningTest* m_runningTest;
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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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};
} // end namespace Catch
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#endif // TWOBLUECUBES_CATCH_RUNNER_IMPL_HPP_INCLUDED