github.com/matrixorigin/matrixone@v0.7.0/pkg/sql/colexec/connector/connector_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 connector
    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/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  )
    33  
    34  // add unit tests for cases
    35  type connectorTestCase struct {
    36  	arg    *Argument
    37  	types  []types.Type
    38  	proc   *process.Process
    39  	cancel context.CancelFunc
    40  }
    41  
    42  var (
    43  	tcs []connectorTestCase
    44  )
    45  
    46  func init() {
    47  	tcs = []connectorTestCase{
    48  		newTestCase(),
    49  	}
    50  }
    51  
    52  func TestString(t *testing.T) {
    53  	buf := new(bytes.Buffer)
    54  	for _, tc := range tcs {
    55  		String(tc.arg, buf)
    56  	}
    57  }
    58  
    59  func TestPrepare(t *testing.T) {
    60  	for _, tc := range tcs {
    61  		err := Prepare(tc.proc, tc.arg)
    62  		require.NoError(t, err)
    63  	}
    64  }
    65  
    66  func TestConnector(t *testing.T) {
    67  	for _, tc := range tcs {
    68  		err := Prepare(tc.proc, tc.arg)
    69  		require.NoError(t, err)
    70  		bat := newBatch(t, tc.types, tc.proc, Rows)
    71  		tc.proc.Reg.InputBatch = bat
    72  		{
    73  			for _, vec := range bat.Vecs {
    74  				if vec.IsOriginal() {
    75  					vec.FreeOriginal(tc.proc.Mp())
    76  				}
    77  			}
    78  		}
    79  		_, _ = Call(0, tc.proc, tc.arg, false, false)
    80  		tc.proc.Reg.InputBatch = &batch.Batch{}
    81  		_, _ = Call(0, tc.proc, tc.arg, false, false)
    82  		tc.proc.Reg.InputBatch = nil
    83  		_, _ = Call(0, tc.proc, tc.arg, false, false)
    84  		for len(tc.arg.Reg.Ch) > 0 {
    85  			bat := <-tc.arg.Reg.Ch
    86  			if bat == nil {
    87  				break
    88  			}
    89  			if len(bat.Zs) == 0 {
    90  				continue
    91  			}
    92  			bat.Clean(tc.proc.Mp())
    93  		}
    94  		tc.arg.Free(tc.proc, false)
    95  		require.Equal(t, int64(0), tc.proc.Mp().CurrNB())
    96  	}
    97  }
    98  
    99  func newTestCase() connectorTestCase {
   100  	proc := testutil.NewProcessWithMPool(mpool.MustNewZero())
   101  	proc.Reg.MergeReceivers = make([]*process.WaitRegister, 2)
   102  	ctx, cancel := context.WithCancel(context.Background())
   103  	return connectorTestCase{
   104  		proc: proc,
   105  		types: []types.Type{
   106  			{Oid: types.T_int8},
   107  		},
   108  		arg: &Argument{
   109  			Reg: &process.WaitRegister{
   110  				Ctx: ctx,
   111  				Ch:  make(chan *batch.Batch, 3),
   112  			},
   113  		},
   114  		cancel: cancel,
   115  	}
   116  
   117  }
   118  
   119  // create a new block based on the type information
   120  func newBatch(t *testing.T, ts []types.Type, proc *process.Process, rows int64) *batch.Batch {
   121  	return testutil.NewBatch(ts, false, int(rows), proc.Mp())
   122  }