github.com/matrixorigin/matrixone@v0.7.0/pkg/sql/colexec/output/output_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 output
    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/testutil"
    25  	"github.com/matrixorigin/matrixone/pkg/vm/process"
    26  	"github.com/stretchr/testify/require"
    27  )
    28  
    29  const (
    30  	Rows = 10 // default rows
    31  )
    32  
    33  // add unit tests for cases
    34  type outputTestCase struct {
    35  	arg   *Argument
    36  	types []types.Type
    37  	proc  *process.Process
    38  }
    39  
    40  var (
    41  	tcs []outputTestCase
    42  )
    43  
    44  func sqlOutput(_ interface{}, _ *batch.Batch) error {
    45  	return nil
    46  }
    47  
    48  func init() {
    49  	tcs = []outputTestCase{
    50  		{
    51  			proc: testutil.NewProcessWithMPool(mpool.MustNewZero()),
    52  			types: []types.Type{
    53  				{Oid: types.T_int8},
    54  			},
    55  			arg: &Argument{
    56  				Data: nil,
    57  				Func: sqlOutput,
    58  			},
    59  		},
    60  	}
    61  }
    62  
    63  func TestString(t *testing.T) {
    64  	buf := new(bytes.Buffer)
    65  	for _, tc := range tcs {
    66  		String(tc.arg, buf)
    67  	}
    68  }
    69  
    70  func TestPrepare(t *testing.T) {
    71  	for _, tc := range tcs {
    72  		err := Prepare(tc.proc, tc.arg)
    73  		require.NoError(t, err)
    74  	}
    75  }
    76  
    77  func TestOutput(t *testing.T) {
    78  	for _, tc := range tcs {
    79  		err := Prepare(tc.proc, tc.arg)
    80  		require.NoError(t, err)
    81  		tc.proc.Reg.InputBatch = newBatch(t, tc.types, tc.proc, Rows)
    82  		_, err = Call(0, tc.proc, tc.arg, false, false)
    83  		require.NoError(t, err)
    84  		tc.proc.Reg.InputBatch = newBatch(t, tc.types, tc.proc, Rows)
    85  		_, err = Call(0, tc.proc, tc.arg, false, false)
    86  		require.NoError(t, err)
    87  		tc.proc.Reg.InputBatch = &batch.Batch{}
    88  		_, err = Call(0, tc.proc, tc.arg, false, false)
    89  		require.NoError(t, err)
    90  		tc.proc.Reg.InputBatch = nil
    91  		_, err = Call(0, tc.proc, tc.arg, false, false)
    92  		require.NoError(t, err)
    93  		require.Equal(t, int64(0), tc.proc.Mp().CurrNB())
    94  	}
    95  }
    96  
    97  // create a new block based on the type information
    98  func newBatch(t *testing.T, ts []types.Type, proc *process.Process, rows int64) *batch.Batch {
    99  	return testutil.NewBatch(ts, false, int(rows), proc.Mp())
   100  }