vitess.io/vitess@v0.16.2/go/vt/vtgate/vindexes/numeric_test.go (about)

     1  /*
     2  Copyright 2019 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package vindexes
    18  
    19  import (
    20  	"context"
    21  	"reflect"
    22  	"testing"
    23  
    24  	"github.com/stretchr/testify/assert"
    25  	"github.com/stretchr/testify/require"
    26  
    27  	"vitess.io/vitess/go/sqltypes"
    28  	"vitess.io/vitess/go/vt/key"
    29  )
    30  
    31  var numeric SingleColumn
    32  
    33  func init() {
    34  	vindex, _ := CreateVindex("numeric", "num", nil)
    35  	numeric = vindex.(SingleColumn)
    36  }
    37  
    38  func TestNumericInfo(t *testing.T) {
    39  	assert.Equal(t, 0, numeric.Cost())
    40  	assert.Equal(t, "num", numeric.String())
    41  	assert.True(t, numeric.IsUnique())
    42  	assert.False(t, numeric.NeedsVCursor())
    43  }
    44  
    45  func TestNumericMap(t *testing.T) {
    46  	got, err := numeric.Map(context.Background(), nil, []sqltypes.Value{
    47  		sqltypes.NewInt64(1),
    48  		sqltypes.NewInt64(2),
    49  		sqltypes.NewInt64(3),
    50  		sqltypes.NewFloat64(1.1),
    51  		sqltypes.NewInt64(4),
    52  		sqltypes.NewInt64(5),
    53  		sqltypes.NewInt64(6),
    54  		sqltypes.NewInt64(7),
    55  		sqltypes.NewInt64(8),
    56  		sqltypes.NewInt32(8),
    57  		sqltypes.NULL,
    58  	})
    59  	require.NoError(t, err)
    60  	want := []key.Destination{
    61  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x01")),
    62  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x02")),
    63  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x03")),
    64  		key.DestinationNone{},
    65  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x04")),
    66  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x05")),
    67  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x06")),
    68  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x07")),
    69  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x08")),
    70  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x08")),
    71  		key.DestinationNone{},
    72  	}
    73  	if !reflect.DeepEqual(got, want) {
    74  		t.Errorf("Map(): %+v, want %+v", got, want)
    75  	}
    76  }
    77  
    78  func TestNumericVerify(t *testing.T) {
    79  	got, err := numeric.Verify(context.Background(), nil, []sqltypes.Value{sqltypes.NewInt64(1), sqltypes.NewInt64(2)}, [][]byte{[]byte("\x00\x00\x00\x00\x00\x00\x00\x01"), []byte("\x00\x00\x00\x00\x00\x00\x00\x01")})
    80  	require.NoError(t, err)
    81  	want := []bool{true, false}
    82  	if !reflect.DeepEqual(got, want) {
    83  		t.Errorf("lhu.Verify(match): %v, want %v", got, want)
    84  	}
    85  
    86  	// Failure test
    87  	_, err = numeric.Verify(context.Background(), nil, []sqltypes.Value{sqltypes.NewVarBinary("aa")}, [][]byte{nil})
    88  	require.EqualError(t, err, "could not parse value: 'aa'")
    89  }
    90  
    91  func TestNumericReverseMap(t *testing.T) {
    92  	got, err := numeric.(Reversible).ReverseMap(nil, [][]byte{[]byte("\x00\x00\x00\x00\x00\x00\x00\x01")})
    93  	require.NoError(t, err)
    94  	want := []sqltypes.Value{sqltypes.NewUint64(1)}
    95  	if !reflect.DeepEqual(got, want) {
    96  		t.Errorf("ReverseMap(): %v, want %v", got, want)
    97  	}
    98  }
    99  
   100  func TestNumericReverseMapBadData(t *testing.T) {
   101  	_, err := numeric.(Reversible).ReverseMap(nil, [][]byte{[]byte("aa")})
   102  	want := `Numeric.ReverseMap: length of keyspaceId is not 8: 2`
   103  	if err == nil || err.Error() != want {
   104  		t.Errorf("numeric.Map: %v, want %v", err, want)
   105  	}
   106  }