greenplumn CUnittest 源码

greenplumn CUnittest 代码

文件路径：/src/backend/gporca/libgpos/include/gpos/test/CUnittest.h

//---------------------------------------------------------------------------
//	Greenplum Database
//	Copyright (C) 2008 Greenplum, Inc.
//
//	@filename:
//		CUnittest.h
//
//	@doc:
//		Unittest driver
//---------------------------------------------------------------------------
#ifndef GPOS_CUnittest_H
#define GPOS_CUnittest_H

#include "gpos/base.h"
#include "gpos/common/CMainArgs.h"
#include "gpos/common/CStackObject.h"
#include "gpos/task/ITask.h"

// helper macros
#define GPOS_UNITTEST_FUNC(x) gpos::CUnittest(#x, CUnittest::EttStandard, x)

#define GPOS_UNITTEST_STD(x) \
	gpos::CUnittest(#x, CUnittest::EttStandard, x::EresUnittest)
#define GPOS_UNITTEST_EXT(x) \
	gpos::CUnittest(#x, CUnittest::EttExtended, x::EresUnittest)

// helper for subtest identified by ULONG parameter
#define GPOS_UNITTEST_STD_SUBTEST(x, i) \
	gpos::CUnittest(#x "_" #i, CUnittest::EttStandard, x::EresSubtest, i)

// helpers for test that are expected to fail
#define GPOS_UNITTEST_FUNC_THROW(x, major, minor) \
	gpos::CUnittest(#x, CUnittest::EttStandard, x, major, minor)
#define GPOS_UNITTEST_FUNC_ASSERT(x) \
	GPOS_UNITTEST_FUNC_THROW(x, CException::ExmaSystem, CException::ExmiAssert)

#define TEST_ASSERT(x) GPOS_RTL_ASSERT(x)

namespace gpos
{
class CMemoryPool;
class CBitVector;
class CTask;

//---------------------------------------------------------------------------
//	@class:
//		CUnittest
//
//	@doc:
//		carries class name and function pointer to class' unittest
//		plus info about expected exceptions
//
//---------------------------------------------------------------------------
class CUnittest
{
public:
	// type of test
	enum ETestType
	{
		EttStandard,
		EttExtended
	};


private:
	// internal auto class;
	// ensures that calls to configuration and cleanup functions are not missed
	class CAutoConfig : CStackObject
	{
	private:
		// unittest cleanup function; it's called after executing all unittests
		void (*m_pfCleanup)();

		// counter of nested calls to execute function
		ULONG &m_ulNested;

	public:
		// ctor
		CAutoConfig(void (*pfConfig)(), void (*pfCleanup)(), ULONG &ulNested)
			: m_pfCleanup(pfCleanup), m_ulNested(ulNested)
		{
			if (nullptr != pfConfig && 0 == m_ulNested++)
			{
				pfConfig();
			}
		}

		// dtor
		~CAutoConfig()
		{
			if (nullptr != m_pfCleanup && 0 == --m_ulNested)
			{
				m_pfCleanup();
			}
		}
	};

	// name of unittest for display
	const CHAR *m_szTitle;

	// test type
	ETestType m_ett;

	// test function
	GPOS_RESULT (*m_pfunc)(void);

	// subtest function
	GPOS_RESULT (*m_pfuncSubtest)(ULONG);
	ULONG m_ulSubtest;


	// flag whether to expect the test to throw
	BOOL m_fExcep;

	// expected exception, if any
	ULONG m_ulMajor;
	ULONG m_ulMinor;

	// array of unittests to execute
	static CUnittest *m_rgut;

	// number of unittests to execute
	static ULONG m_ulTests;

	// counter of nested calls to execute function
	static ULONG m_ulNested;

	// unittest configuration function; it's called before executing any unittest
	static void (*m_pfConfig)();

	// unittest cleanup function; it's called after executing all unittests
	static void (*m_pfCleanup)();

	// execution of individual UT
	static GPOS_RESULT EresExecTest(const CUnittest &ut);

public:
	// ctors
	CUnittest(const CHAR *szTitle, ETestType ett, GPOS_RESULT (*pfunc)(void));

	CUnittest(const CHAR *szTitle, ETestType ett, GPOS_RESULT (*pfunc)(void),
			  ULONG major, ULONG minor);

	CUnittest(const CHAR *szTitle, ETestType ett,
			  GPOS_RESULT (*pfuncSubtest)(ULONG), ULONG ulSubtest);

	// copy ctor
	CUnittest(const CUnittest &ut);

	// determine whether this is expected to throw and if so whether the given exception is the right one
	BOOL FThrows() const;
	BOOL FThrows(ULONG major, ULONG minor) const;

	// test type
	ETestType
	Ett() const
	{
		return m_ett;
	}

	// check if title equals given string
	BOOL Equals(CHAR *sz) const;

	// find test with given attributes and add to list
	static void FindTest(CBitVector &bv, ETestType ett, CHAR *szTestName);

	// parse and set a trace flag
	static void SetTraceFlag(const CHAR *szTrace);

	// Parse plan id
	static ULLONG UllParsePlanId(const CHAR *szPlanId);

	// get number of unittests
	static ULONG
	UlTests()
	{
		return m_ulTests;
	}

	// driver routine for groups of UTs
	static GPOS_RESULT EresExecute(const CUnittest *, const ULONG cSize);

	// driver routine; returns the number of failed tests
	// (0 if all specified tests succeeded)
	static ULONG Driver(CBitVector *pbv);

	// driver routine parsing input arguments; returns the
	// number of failed tests (0 if all specified tests
	// succeeded)
	static ULONG Driver(CMainArgs *pma);

	// initialize unittest array
	static void Init(CUnittest *rgut, ULONG ulUtCnt, void (*pfConfig)(),
					 void (*pfCleanup)());

};	// class CUnittest
}  // namespace gpos

#endif	// GPOS_CUnittest_H

// EOF

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