github.com/matrixorigin/matrixone@v0.7.0/pkg/sql/colexec/top/top_test.go (about)

     1  // Copyright 2021 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package top
    16  
    17  import (
    18  	"bytes"
    19  	"testing"
    20  
    21  	"github.com/matrixorigin/matrixone/pkg/common/mpool"
    22  	"github.com/matrixorigin/matrixone/pkg/container/batch"
    23  	"github.com/matrixorigin/matrixone/pkg/container/types"
    24  	"github.com/matrixorigin/matrixone/pkg/pb/plan"
    25  	"github.com/matrixorigin/matrixone/pkg/testutil"
    26  	"github.com/matrixorigin/matrixone/pkg/vm/process"
    27  	"github.com/stretchr/testify/require"
    28  )
    29  
    30  const (
    31  	Rows          = 10     // default rows
    32  	BenchmarkRows = 100000 // default rows for benchmark
    33  )
    34  
    35  // add unit tests for cases
    36  type topTestCase struct {
    37  	arg   *Argument
    38  	types []types.Type
    39  	proc  *process.Process
    40  }
    41  
    42  var (
    43  	tcs []topTestCase
    44  )
    45  
    46  func init() {
    47  	tcs = []topTestCase{
    48  		newTestCase(mpool.MustNewZero(), []types.Type{{Oid: types.T_int8}}, 3, []*plan.OrderBySpec{{Expr: newExpression(0), Flag: 0}}),
    49  		newTestCase(mpool.MustNewZero(), []types.Type{{Oid: types.T_int8}}, 3, []*plan.OrderBySpec{{Expr: newExpression(0), Flag: 2}}),
    50  		newTestCase(mpool.MustNewZero(), []types.Type{{Oid: types.T_int8}, {Oid: types.T_int64}}, 3, []*plan.OrderBySpec{{Expr: newExpression(0), Flag: 2}, {Expr: newExpression(1), Flag: 0}}),
    51  	}
    52  }
    53  
    54  func TestString(t *testing.T) {
    55  	buf := new(bytes.Buffer)
    56  	for _, tc := range tcs {
    57  		String(tc.arg, buf)
    58  	}
    59  }
    60  
    61  func TestPrepare(t *testing.T) {
    62  	for _, tc := range tcs {
    63  		err := Prepare(tc.proc, tc.arg)
    64  		require.NoError(t, err)
    65  	}
    66  }
    67  
    68  func TestTop(t *testing.T) {
    69  	for _, tc := range tcs {
    70  		err := Prepare(tc.proc, tc.arg)
    71  		require.NoError(t, err)
    72  		tc.proc.Reg.InputBatch = newBatch(t, tc.types, tc.proc, Rows)
    73  		_, _ = Call(0, tc.proc, tc.arg, false, false)
    74  		tc.proc.Reg.InputBatch = newBatch(t, tc.types, tc.proc, Rows)
    75  		_, _ = Call(0, tc.proc, tc.arg, false, false)
    76  		tc.proc.Reg.InputBatch = &batch.Batch{}
    77  		_, _ = Call(0, tc.proc, tc.arg, false, false)
    78  		tc.proc.Reg.InputBatch = nil
    79  		_, _ = Call(0, tc.proc, tc.arg, false, false)
    80  		if tc.proc.Reg.InputBatch != nil {
    81  			tc.proc.Reg.InputBatch.Clean(tc.proc.Mp())
    82  		}
    83  		tc.proc.Reg.InputBatch = nil
    84  		_, _ = Call(0, tc.proc, tc.arg, false, false)
    85  		require.Equal(t, int64(0), tc.proc.Mp().CurrNB())
    86  	}
    87  }
    88  
    89  func BenchmarkTop(b *testing.B) {
    90  	for i := 0; i < b.N; i++ {
    91  		tcs = []topTestCase{
    92  			newTestCase(mpool.MustNewZero(), []types.Type{{Oid: types.T_int8}}, 3, []*plan.OrderBySpec{{Expr: newExpression(0), Flag: 0}}),
    93  			newTestCase(mpool.MustNewZero(), []types.Type{{Oid: types.T_int8}}, 3, []*plan.OrderBySpec{{Expr: newExpression(0), Flag: 2}}),
    94  		}
    95  		t := new(testing.T)
    96  		for _, tc := range tcs {
    97  			err := Prepare(tc.proc, tc.arg)
    98  			require.NoError(t, err)
    99  			tc.proc.Reg.InputBatch = newBatch(t, tc.types, tc.proc, BenchmarkRows)
   100  			_, _ = Call(0, tc.proc, tc.arg, false, false)
   101  			tc.proc.Reg.InputBatch = newBatch(t, tc.types, tc.proc, BenchmarkRows)
   102  			_, _ = Call(0, tc.proc, tc.arg, false, false)
   103  			tc.proc.Reg.InputBatch = &batch.Batch{}
   104  			_, _ = Call(0, tc.proc, tc.arg, false, false)
   105  			tc.proc.Reg.InputBatch = nil
   106  			_, _ = Call(0, tc.proc, tc.arg, false, false)
   107  			if tc.proc.Reg.InputBatch != nil {
   108  				tc.proc.Reg.InputBatch.Clean(tc.proc.Mp())
   109  			}
   110  		}
   111  	}
   112  }
   113  
   114  func newTestCase(m *mpool.MPool, ts []types.Type, limit int64, fs []*plan.OrderBySpec) topTestCase {
   115  	return topTestCase{
   116  		types: ts,
   117  		proc:  testutil.NewProcessWithMPool(m),
   118  		arg: &Argument{
   119  			Fs:    fs,
   120  			Limit: limit,
   121  		},
   122  	}
   123  }
   124  
   125  func newExpression(pos int32) *plan.Expr {
   126  	return &plan.Expr{
   127  		Expr: &plan.Expr_Col{
   128  			Col: &plan.ColRef{
   129  				ColPos: pos,
   130  			},
   131  		},
   132  	}
   133  }
   134  
   135  // create a new block based on the type information
   136  func newBatch(t *testing.T, ts []types.Type, proc *process.Process, rows int64) *batch.Batch {
   137  	return testutil.NewBatch(ts, false, int(rows), proc.Mp())
   138  }