github.com/matrixorigin/matrixone@v1.2.0/pkg/sql/colexec/dispatch/dispatch_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 dispatch
    16  
    17  import (
    18  	"bytes"
    19  	"context"
    20  	"testing"
    21  
    22  	"github.com/matrixorigin/matrixone/pkg/common/mpool"
    23  	"github.com/matrixorigin/matrixone/pkg/container/batch"
    24  	"github.com/matrixorigin/matrixone/pkg/container/types"
    25  	"github.com/matrixorigin/matrixone/pkg/sql/colexec/value_scan"
    26  	"github.com/matrixorigin/matrixone/pkg/testutil"
    27  	"github.com/matrixorigin/matrixone/pkg/vm"
    28  	"github.com/matrixorigin/matrixone/pkg/vm/process"
    29  	"github.com/stretchr/testify/require"
    30  )
    31  
    32  const (
    33  	Rows = 10 // default rows
    34  )
    35  
    36  // add unit tests for cases
    37  type dispatchTestCase struct {
    38  	arg    *Argument
    39  	types  []types.Type
    40  	proc   *process.Process
    41  	cancel context.CancelFunc
    42  }
    43  
    44  var (
    45  	tcs []dispatchTestCase
    46  )
    47  
    48  func init() {
    49  	tcs = []dispatchTestCase{
    50  		newTestCase(),
    51  		newTestCase(),
    52  	}
    53  }
    54  
    55  func TestString(t *testing.T) {
    56  	buf := new(bytes.Buffer)
    57  	for _, tc := range tcs {
    58  		tc.arg.String(buf)
    59  	}
    60  }
    61  
    62  func TestPrepare(t *testing.T) {
    63  	for _, tc := range tcs {
    64  		err := tc.arg.Prepare(tc.proc)
    65  		require.NoError(t, err)
    66  	}
    67  }
    68  
    69  func TestDispatch(t *testing.T) {
    70  	for _, tc := range tcs {
    71  		err := tc.arg.Prepare(tc.proc)
    72  		require.NoError(t, err)
    73  		bats := []*batch.Batch{
    74  			newBatch(tc.types, tc.proc, Rows),
    75  			batch.EmptyBatch,
    76  		}
    77  		resetChildren(tc.arg, bats)
    78  		/*{
    79  			for _, vec := range bat.Vecs {
    80  				if vec.IsOriginal() {
    81  					vec.FreeOriginal(tc.proc.Mp())
    82  				}
    83  			}
    84  		}*/
    85  		_, _ = tc.arg.Call(tc.proc)
    86  		tc.arg.Free(tc.proc, false, nil)
    87  		tc.arg.Children[0].Free(tc.proc, false, nil)
    88  		for _, re := range tc.arg.LocalRegs {
    89  			for len(re.Ch) > 0 {
    90  				bat := <-re.Ch
    91  				if bat == nil {
    92  					break
    93  				}
    94  				bat.Clean(tc.proc.Mp())
    95  			}
    96  		}
    97  		tc.proc.FreeVectors()
    98  		require.Equal(t, int64(0), tc.proc.Mp().CurrNB())
    99  	}
   100  }
   101  
   102  func newTestCase() dispatchTestCase {
   103  	proc := testutil.NewProcessWithMPool(mpool.MustNewZero())
   104  	proc.Reg.MergeReceivers = make([]*process.WaitRegister, 2)
   105  	ctx, cancel := context.WithCancel(context.Background())
   106  	reg := &process.WaitRegister{Ctx: ctx, Ch: make(chan *batch.Batch, 3)}
   107  	return dispatchTestCase{
   108  		proc:  proc,
   109  		types: []types.Type{types.T_int8.ToType()},
   110  		arg: &Argument{
   111  			FuncId:    SendToAllLocalFunc,
   112  			LocalRegs: []*process.WaitRegister{reg},
   113  			OperatorBase: vm.OperatorBase{
   114  				OperatorInfo: vm.OperatorInfo{
   115  					Idx:     0,
   116  					IsFirst: false,
   117  					IsLast:  false,
   118  				},
   119  			},
   120  		},
   121  		cancel: cancel,
   122  	}
   123  
   124  }
   125  
   126  // create a new block based on the type information
   127  func newBatch(ts []types.Type, proc *process.Process, rows int64) *batch.Batch {
   128  	return testutil.NewBatch(ts, false, int(rows), proc.Mp())
   129  }
   130  
   131  func resetChildren(arg *Argument, bats []*batch.Batch) {
   132  	if len(arg.Children) == 0 {
   133  		arg.AppendChild(&value_scan.Argument{
   134  			Batchs: bats,
   135  		})
   136  
   137  	} else {
   138  		arg.Children = arg.Children[:0]
   139  		arg.AppendChild(&value_scan.Argument{
   140  			Batchs: bats,
   141  		})
   142  	}
   143  }