241 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			241 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**
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 * Copyright (c) 2021 OceanBase
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 * OceanBase CE is licensed under Mulan PubL v2.
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 * You can use this software according to the terms and conditions of the Mulan PubL v2.
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 * You may obtain a copy of Mulan PubL v2 at:
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 *          http://license.coscl.org.cn/MulanPubL-2.0
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 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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 * See the Mulan PubL v2 for more details.
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 */
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#include <gtest/gtest.h>
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#include "sql/engine/expr/ob_expr_case.h"
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#include "sql/engine/expr/ob_expr_arg_case.h"
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#include "ob_expr_test_utils.h"
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#include "sql/engine/expr/ob_expr_equal.h"
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using namespace oceanbase::common;
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using namespace oceanbase::sql;
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class ObExprCaseTest : public ::testing::Test
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{
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public:
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  ObExprCaseTest();
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  virtual ~ObExprCaseTest();
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  virtual void SetUp();
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  virtual void TearDown();
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private:
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  // disallow copy
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  ObExprCaseTest(const ObExprCaseTest &other);
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  ObExprCaseTest& operator=(const ObExprCaseTest &other);
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private:
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  // data members
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};
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ObExprCaseTest::ObExprCaseTest()
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{
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}
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ObExprCaseTest::~ObExprCaseTest()
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{
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}
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void ObExprCaseTest::SetUp()
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{
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}
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void ObExprCaseTest::TearDown()
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{
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}
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#define MAKE_OBJS_2(t1,v1,t2,v2) \
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  ObObj objs[2]; \
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  ObExprResType types[2]; \
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  objs[0].set_##t1(v1); objs[1].set_##t2(v2);  \
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  types[0].set_##t1(); types[1].set_##t2(); 
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#define MAKE_OBJS_3(t1,v1,t2,v2,t3,v3) \
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  ObObj objs[3]; \
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  ObExprResType types[3]; \
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  objs[0].set_##t1(v1); objs[1].set_##t2(v2); objs[2].set_##t3(v3); \
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  types[0].set_##t1(); types[1].set_##t2(); types[2].set_##t3();
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#define MAKE_OBJS_4(t1,v1,t2,v2,t3,v3,t4,v4) \
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  ObObj objs[4]; \
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  ObExprResType types[4]; \
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  objs[0].set_##t1(v1); objs[1].set_##t2(v2); objs[2].set_##t3(v3); objs[3].set_##t4(v4); \
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  types[0].set_##t1(); types[1].set_##t2(); types[2].set_##t3(); types[3].set_##t4();
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#define MAKE_OBJS_5(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5) \
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  ObObj objs[5]; \
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  ObExprResType types[5]; \
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  objs[0].set_##t1(v1); objs[1].set_##t2(v2); objs[2].set_##t3(v3); objs[3].set_##t4(v4); objs[4].set_##t5(v5); \
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  types[0].set_##t1(); types[1].set_##t2(); types[2].set_##t3(); types[3].set_##t4(); types[4].set_##t5();
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#define CHECK_FUNC(obj, func, r, N) \
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  ObExprResType type; \
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  ObExprTypeCtx ctx; \
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  int err = obj.calc_result_typeN(type, types, N, ctx); \
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  EXPECT_TRUE(OB_SUCCESS == err); \
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  obj.set_result_type(type); \
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  err = obj.calc_resultN(r,objs, N, &buf); \
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  _OB_LOG(INFO, "r=%s ref=%s", to_cstring(r), to_cstring(ref)); \
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  EXPECT_TRUE(OB_SUCCESS == err); \
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  EXPECT_TRUE(ref.get_type() == r.get_type());  \
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  if (ref.get_type() != ObNullType){\
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    ObExprEqual eq; \
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    ObObj result; \
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    EXPECT_TRUE(OB_SUCCESS == ObExprEqual::calc(result, r, ref)); \
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    EXPECT_TRUE(result.get_type() == ObBoolType  && result.get_bool() == true); \
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  }
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#define CHECK_FUNC_FAIL(obj, func, r, N) \
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  ObExprResType type; \
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  ObExprTypeCtx ctx; \
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  int err = obj.calc_result_typeN(type, types, N, ctx); \
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  err = obj.calc_resultN(r, objs, N, &buf); \
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  _OB_LOG(INFO, "r=%s ref=%s", to_cstring(r), to_cstring(ref)); \
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  EXPECT_TRUE(OB_SUCCESS != err);
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#define T_2(obj,func, t1, v1, t2, v2, ref_type, ref_value) \
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{ \
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  ObObj r, ref;      \
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  MAKE_OBJS_2(t1,v1,t2,v2) \
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  ref.set_##ref_type(ref_value); \
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  CHECK_FUNC(obj,func, r, 2) \
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}while(0)
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#define F_2(obj,func, t1, v1, t2, v2, ref_type, ref_value) \
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{ \
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  ObObj r, ref;      \
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  MAKE_OBJS_2(t1,v1,t2,v2) \
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  ref.set_##ref_type(ref_value); \
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  CHECK_FUNC_FAIL(obj,func, r, 2) \
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}while(0)
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#define T_3(obj,func, t1, v1, t2, v2, t3, v3, ref_type, ref_value) \
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{ \
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  ObObj r, ref;      \
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  MAKE_OBJS_3(t1,v1,t2,v2,t3,v3) \
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  ref.set_##ref_type(ref_value); \
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  CHECK_FUNC(obj,func, r, 3) \
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}while(0)
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#define F_3(obj,func, t1, v1, t2, v2, t3, v3, ref_type, ref_value) \
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{ \
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  ObObj r, ref;      \
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  MAKE_OBJS_3(t1,v1,t2,v2,t3,v3) \
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  ref.set_##ref_type(ref_value); \
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  CHECK_FUNC_FAIL(obj,func, r, 3) \
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}while(0)
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#define T_4(obj, func, t1, v1, t2, v2, t3, v3, t4,v4,ref_type, ref_value) \
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{ \
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  ObObj r, ref;      \
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  MAKE_OBJS_4(t1,v1,t2,v2,t3,v3,t4,v4) \
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  ref.set_##ref_type(ref_value); \
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  CHECK_FUNC(obj, func, r, 4) \
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}while(0)
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#define F_4(obj,func, t1, v1, t2, v2, t3, v3,t4,v4, ref_type, ref_value) \
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{ \
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  ObObj r, ref;      \
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  MAKE_OBJS_4(t1,v1,t2,v2,t3,v3,t4,v4) \
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  ref.set_##ref_type(ref_value); \
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  CHECK_FUNC_FAIL(obj,func, r, 4) \
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}while(0)
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#define T_5(obj, func, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5, ref_type, ref_value) \
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{ \
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  ObObj r, ref;      \
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  MAKE_OBJS_5(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5) \
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  ref.set_##ref_type(ref_value); \
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  CHECK_FUNC(obj,func, r, 5) \
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}while(0)
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#define F_5(obj,func, t1, v1, t2, v2, t3, v3,t4,v4 ,t5,v5, ref_type, ref_value) \
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{ \
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  ObObj r, ref;      \
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  MAKE_OBJS_5(t1,v1,t2,v2,t3,v3,t4,v4,t5,v5) \
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  ref.set_##ref_type(ref_value); \
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  CHECK_FUNC_FAIL(obj,func, r, 5) \
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}while(0)
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TEST_F(ObExprCaseTest, basic_test)
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{
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  ObExprCase case_op;
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  ObExprStringBuf buf;
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  ASSERT_EQ(ObExprOperator::MORE_THAN_ONE, case_op.get_param_num());
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  // case when a then b [else c]
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  T_2(case_op, calc_resultN, bool, true, null, 0, null, 0);
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  T_2(case_op, calc_resultN, bool, false, varchar, "hello", null, 0);
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  T_2(case_op, calc_resultN, bool, true, varchar, "hello", varchar, "hello");
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  T_4(case_op, calc_resultN, bool, false, varchar, "hello", bool, true, int, 100, varchar, "100");
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  T_4(case_op, calc_resultN, bool, true, varchar, "hello", bool, true, int, 100, varchar, "hello");
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  T_4(case_op, calc_resultN, bool, false, varchar, "hello", bool, true, varchar, "hello", varchar, "hello");
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  T_4(case_op, calc_resultN, bool, true, int, 100, bool, false, varchar, "hello", varchar, "100");
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  T_4(case_op, calc_resultN, bool, false, varchar, "hello", bool, false, int, 100, null, 0);
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  T_4(case_op, calc_resultN, bool, false, varchar, "hello", bool, false, int, 100, null, 0);
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  // else
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  // T_5(case_op, calc_resultN, bool, false, varchar, "hello", bool, false, int, 100, int, 99, int, 99);
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  T_5(case_op, calc_resultN, bool, false, varchar, "hello", bool, false, int, 100, int, 99, varchar, "99");
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  //T_5(case_op, calc_resultN, bool, false, int, 35, bool, false, int, 100, int, 99, int, 99);
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  // case when a then b
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  F_3(case_op, calc_resultN, int, 10, bool, true, null, 0, int, 10);
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  // case when a then b else c
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  T_3(case_op, calc_resultN, null, 0, null, 0, null, 0, null, 0);
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  T_5(case_op, calc_resultN, bool, false, varchar, "hello", bool, false, int, 100, int, 50, varchar, "50");
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}
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TEST_F(ObExprCaseTest, arg_case_basic_test)
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{
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  ObExprArgCase case_op;
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  ObExprStringBuf buf;
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  ASSERT_EQ(ObExprOperator::MORE_THAN_ONE, case_op.get_param_num());
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  // case x when a then b else c
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  F_2(case_op, calc_resultN, int, 10, bool, true, null, 0);
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  F_2(case_op, calc_resultN, bool, true, varchar, "hello", varchar, "hello");
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  T_4(case_op, calc_resultN, int, 10, int, 9, null, 0, null, 0, null, 0);
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  T_4(case_op, calc_resultN, int, 10, int, 9, null, 0, int, 7, int , 7);
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  T_4(case_op, calc_resultN, int, 10, int, 9, null, 0, varchar, "xyz", varchar, "xyz");
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  //T_4(case_op, calc_resultN, int, 10, int, 9, null, 0, bool, true, bool, true);
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  T_3(case_op, calc_resultN, bool, false, bool, false, varchar, "hello",  varchar, "hello");
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  T_3(case_op, calc_resultN, bool, true, bool, false, varchar, "hello",  null, 0);
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  T_5(case_op, calc_resultN, bool, false, bool, true, varchar, "hello", bool, false, int, 100, varchar, "100");
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  T_5(case_op, calc_resultN, bool, true, bool, true, varchar, "hello", bool, false, int, 100, varchar, "hello");
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  // case x when a then b
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  T_3(case_op, calc_resultN, null, 0, null, 0, null, 0, null, 0);
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  // case x when a then b else c
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  T_4(case_op, calc_resultN, null, 0, null, 0, int, 100, int, 99, int, 99);
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  T_4(case_op, calc_resultN, null, 0, int, 0, int, 100, int, 99, int, 99);
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}
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int main(int argc, char **argv)
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{
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  oceanbase::common::ObLogger::get_logger().set_log_level("DEBUG");
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  ::testing::InitGoogleTest(&argc,argv);
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  return RUN_ALL_TESTS();
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}
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