#include "TestRunner.h"
#include "TestResults.h"
#include "TestReporter.h"
#include "TestReporterStdout.h"
#include "TimeHelpers.h"
#include "MemoryOutStream.h"

#include <cstring>


namespace UnitTest {

int RunAllTests() {
	TestReporterStdout reporter;
	TestRunner runner ( reporter );
	return runner.RunTestsIf ( Test::GetTestList(), NULL, True(), 0 );
}


TestRunner::TestRunner ( TestReporter& reporter )
		: m_reporter ( &reporter )
		, m_result ( new TestResults ( &reporter ) )
		, m_timer ( new Timer ) {
	m_timer->Start();
}

TestRunner::~TestRunner() {
	delete m_result;
	delete m_timer;
}

int TestRunner::Finish() const {
	float const secondsElapsed = static_cast<float> ( m_timer->GetTimeInMs() / 1000.0 );
	m_reporter->ReportSummary ( m_result->GetTotalTestCount(),
	                            m_result->GetFailedTestCount(),
	                            m_result->GetFailureCount(),
	                            secondsElapsed );

	return m_result->GetFailureCount();
}

bool TestRunner::IsTestInSuite ( const Test* const curTest, char const* suiteName ) const {
	using namespace std;
	return ( suiteName == NULL ) || !strcmp ( curTest->m_details.suiteName, suiteName );
}

void TestRunner::RunTest ( TestResults* const result, Test* const curTest, int const maxTestTimeInMs ) const {
	CurrentTest::Results() = result;

	Timer testTimer;
	testTimer.Start();

	result->OnTestStart ( curTest->m_details );

	curTest->Run();

	double const testTimeInMs = testTimer.GetTimeInMs();
	if ( maxTestTimeInMs > 0 && testTimeInMs > maxTestTimeInMs && !curTest->m_timeConstraintExempt ) {
		MemoryOutStream stream;
		stream << "Global time constraint failed. Expected under " << maxTestTimeInMs <<
		"ms but took " << testTimeInMs << "ms.";

		result->OnTestFailure ( curTest->m_details, stream.GetText() );
	}

	result->OnTestFinish ( curTest->m_details, static_cast<float> ( testTimeInMs / 1000.0 ) );
}

}
