catch2/include/internal/catch_test_case_tracker.cpp

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/*
* Created by Martin on 19/07/2017
*
* 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)
*/
#include "catch_test_case_tracker.h"
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#include "catch_enforce.h"
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#include <algorithm>
#include <assert.h>
#include <stdexcept>
#include <memory>
CATCH_INTERNAL_SUPPRESS_ETD_WARNINGS
namespace Catch {
namespace TestCaseTracking {
NameAndLocation::NameAndLocation( std::string const& _name, SourceLineInfo const& _location )
: name( _name ),
location( _location )
{}
TrackerContext& TrackerContext::instance() {
static TrackerContext s_instance;
return s_instance;
}
ITracker& TrackerContext::startRun() {
m_rootTracker = std::make_shared<SectionTracker>( NameAndLocation( "{root}", CATCH_INTERNAL_LINEINFO ), *this, nullptr );
m_currentTracker = nullptr;
m_runState = Executing;
return *m_rootTracker;
}
void TrackerContext::endRun() {
m_rootTracker.reset();
m_currentTracker = nullptr;
m_runState = NotStarted;
}
void TrackerContext::startCycle() {
m_currentTracker = m_rootTracker.get();
m_runState = Executing;
}
void TrackerContext::completeCycle() {
m_runState = CompletedCycle;
}
bool TrackerContext::completedCycle() const {
return m_runState == CompletedCycle;
}
ITracker& TrackerContext::currentTracker() {
return *m_currentTracker;
}
void TrackerContext::setCurrentTracker( ITracker* tracker ) {
m_currentTracker = tracker;
}
TrackerBase::TrackerHasName::TrackerHasName( NameAndLocation const& nameAndLocation ) : m_nameAndLocation( nameAndLocation ) {}
bool TrackerBase::TrackerHasName::operator ()( ITrackerPtr const& tracker ) const {
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return
tracker->nameAndLocation().name == m_nameAndLocation.name &&
tracker->nameAndLocation().location == m_nameAndLocation.location;
}
TrackerBase::TrackerBase( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent )
: m_nameAndLocation( nameAndLocation ),
m_ctx( ctx ),
m_parent( parent )
{}
NameAndLocation const& TrackerBase::nameAndLocation() const {
return m_nameAndLocation;
}
bool TrackerBase::isComplete() const {
return m_runState == CompletedSuccessfully || m_runState == Failed;
}
bool TrackerBase::isSuccessfullyCompleted() const {
return m_runState == CompletedSuccessfully;
}
bool TrackerBase::isOpen() const {
return m_runState != NotStarted && !isComplete();
}
bool TrackerBase::hasChildren() const {
return !m_children.empty();
}
void TrackerBase::addChild( ITrackerPtr const& child ) {
m_children.push_back( child );
}
ITrackerPtr TrackerBase::findChild( NameAndLocation const& nameAndLocation ) {
auto it = std::find_if( m_children.begin(), m_children.end(), TrackerHasName( nameAndLocation ) );
return( it != m_children.end() )
? *it
: nullptr;
}
ITracker& TrackerBase::parent() {
assert( m_parent ); // Should always be non-null except for root
return *m_parent;
}
void TrackerBase::openChild() {
if( m_runState != ExecutingChildren ) {
m_runState = ExecutingChildren;
if( m_parent )
m_parent->openChild();
}
}
bool TrackerBase::isSectionTracker() const { return false; }
bool TrackerBase::isIndexTracker() const { return false; }
void TrackerBase::open() {
m_runState = Executing;
moveToThis();
if( m_parent )
m_parent->openChild();
}
void TrackerBase::close() {
// Close any still open children (e.g. generators)
while( &m_ctx.currentTracker() != this )
m_ctx.currentTracker().close();
switch( m_runState ) {
case NeedsAnotherRun:
break;
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case Executing:
m_runState = CompletedSuccessfully;
break;
case ExecutingChildren:
if( m_children.empty() || m_children.back()->isComplete() )
m_runState = CompletedSuccessfully;
break;
case NotStarted:
case CompletedSuccessfully:
case Failed:
CATCH_INTERNAL_ERROR( "Illogical state: " << m_runState );
default:
CATCH_INTERNAL_ERROR( "Unknown state: " << m_runState );
}
moveToParent();
m_ctx.completeCycle();
}
void TrackerBase::fail() {
m_runState = Failed;
if( m_parent )
m_parent->markAsNeedingAnotherRun();
moveToParent();
m_ctx.completeCycle();
}
void TrackerBase::markAsNeedingAnotherRun() {
m_runState = NeedsAnotherRun;
}
void TrackerBase::moveToParent() {
assert( m_parent );
m_ctx.setCurrentTracker( m_parent );
}
void TrackerBase::moveToThis() {
m_ctx.setCurrentTracker( this );
}
SectionTracker::SectionTracker( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent )
: TrackerBase( nameAndLocation, ctx, parent )
{
if( parent ) {
while( !parent->isSectionTracker() )
parent = &parent->parent();
SectionTracker& parentSection = static_cast<SectionTracker&>( *parent );
addNextFilters( parentSection.m_filters );
}
}
bool SectionTracker::isSectionTracker() const { return true; }
SectionTracker& SectionTracker::acquire( TrackerContext& ctx, NameAndLocation const& nameAndLocation ) {
std::shared_ptr<SectionTracker> section;
ITracker& currentTracker = ctx.currentTracker();
if( ITrackerPtr childTracker = currentTracker.findChild( nameAndLocation ) ) {
assert( childTracker );
assert( childTracker->isSectionTracker() );
section = std::static_pointer_cast<SectionTracker>( childTracker );
}
else {
section = std::make_shared<SectionTracker>( nameAndLocation, ctx, &currentTracker );
currentTracker.addChild( section );
}
if( !ctx.completedCycle() )
section->tryOpen();
return *section;
}
void SectionTracker::tryOpen() {
if( !isComplete() && (m_filters.empty() || m_filters[0].empty() || m_filters[0] == m_nameAndLocation.name ) )
open();
}
void SectionTracker::addInitialFilters( std::vector<std::string> const& filters ) {
if( !filters.empty() ) {
m_filters.push_back(""); // Root - should never be consulted
m_filters.push_back(""); // Test Case - not a section filter
m_filters.insert( m_filters.end(), filters.begin(), filters.end() );
}
}
void SectionTracker::addNextFilters( std::vector<std::string> const& filters ) {
if( filters.size() > 1 )
m_filters.insert( m_filters.end(), ++filters.begin(), filters.end() );
}
IndexTracker::IndexTracker( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent, int size )
: TrackerBase( nameAndLocation, ctx, parent ),
m_size( size )
{}
bool IndexTracker::isIndexTracker() const { return true; }
IndexTracker& IndexTracker::acquire( TrackerContext& ctx, NameAndLocation const& nameAndLocation, int size ) {
std::shared_ptr<IndexTracker> tracker;
ITracker& currentTracker = ctx.currentTracker();
if( ITrackerPtr childTracker = currentTracker.findChild( nameAndLocation ) ) {
assert( childTracker );
assert( childTracker->isIndexTracker() );
tracker = std::static_pointer_cast<IndexTracker>( childTracker );
}
else {
tracker = std::make_shared<IndexTracker>( nameAndLocation, ctx, &currentTracker, size );
currentTracker.addChild( tracker );
}
if( !ctx.completedCycle() && !tracker->isComplete() ) {
if( tracker->m_runState != ExecutingChildren && tracker->m_runState != NeedsAnotherRun )
tracker->moveNext();
tracker->open();
}
return *tracker;
}
int IndexTracker::index() const { return m_index; }
void IndexTracker::moveNext() {
m_index++;
m_children.clear();
}
void IndexTracker::close() {
TrackerBase::close();
if( m_runState == CompletedSuccessfully && m_index < m_size-1 )
m_runState = Executing;
}
} // namespace TestCaseTracking
using TestCaseTracking::ITracker;
using TestCaseTracking::TrackerContext;
using TestCaseTracking::SectionTracker;
using TestCaseTracking::IndexTracker;
} // namespace Catch
CATCH_INTERNAL_UNSUPPRESS_ETD_WARNINGS