vitess.io/vitess@v0.16.2/go/vt/vtgate/vindexes/numeric_static_map_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  // createVindex creates the "numeric_static_map" vindex object which is used by
    32  // each test.
    33  func createVindex() (SingleColumn, error) {
    34  	m := make(map[string]string)
    35  	m["json_path"] = "testdata/numeric_static_map_test.json"
    36  	vindex, err := CreateVindex("numeric_static_map", "numericStaticMap", m)
    37  	if err != nil {
    38  		panic(err)
    39  	}
    40  	return vindex.(SingleColumn), nil
    41  }
    42  
    43  func TestNumericStaticMapInfo(t *testing.T) {
    44  	numericStaticMap, err := createVindex()
    45  	require.NoError(t, err)
    46  	assert.Equal(t, 1, numericStaticMap.Cost())
    47  	assert.Equal(t, "numericStaticMap", numericStaticMap.String())
    48  	assert.True(t, numericStaticMap.IsUnique())
    49  	assert.False(t, numericStaticMap.NeedsVCursor())
    50  }
    51  
    52  func TestNumericStaticMapMap(t *testing.T) {
    53  	numericStaticMap, err := createVindex()
    54  	if err != nil {
    55  		t.Fatalf("failed to create vindex: %v", err)
    56  	}
    57  	got, err := numericStaticMap.Map(context.Background(), nil, []sqltypes.Value{
    58  		sqltypes.NewInt64(1),
    59  		sqltypes.NewInt64(2),
    60  		sqltypes.NewInt64(3),
    61  		sqltypes.NewFloat64(1.1),
    62  		sqltypes.NewInt64(4),
    63  		sqltypes.NewInt64(5),
    64  		sqltypes.NewInt64(6),
    65  		sqltypes.NewInt64(7),
    66  		sqltypes.NewInt64(8),
    67  		sqltypes.NULL,
    68  	})
    69  	require.NoError(t, err)
    70  
    71  	// in the third slice, we expect 2 instead of 3 as numeric_static_map_test.json
    72  	// has 3 mapped to 2
    73  	want := []key.Destination{
    74  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x01")),
    75  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x02")),
    76  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x02")),
    77  		key.DestinationNone{},
    78  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x04")),
    79  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x05")),
    80  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x06")),
    81  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x07")),
    82  		key.DestinationKeyspaceID([]byte("\x00\x00\x00\x00\x00\x00\x00\x08")),
    83  		key.DestinationNone{},
    84  	}
    85  	if !reflect.DeepEqual(got, want) {
    86  		t.Errorf("Map(): %+v, want %+v", got, want)
    87  	}
    88  }
    89  
    90  func TestNumericStaticMapVerify(t *testing.T) {
    91  	numericStaticMap, err := createVindex()
    92  	if err != nil {
    93  		t.Fatalf("failed to create vindex: %v", err)
    94  	}
    95  	got, err := numericStaticMap.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")})
    96  	require.NoError(t, err)
    97  	want := []bool{true, false}
    98  	if !reflect.DeepEqual(got, want) {
    99  		t.Errorf("lhu.Verify(match): %v, want %v", got, want)
   100  	}
   101  
   102  	// Failure test
   103  	_, err = numericStaticMap.Verify(context.Background(), nil, []sqltypes.Value{sqltypes.NewVarBinary("aa")}, [][]byte{nil})
   104  	require.EqualError(t, err, "could not parse value: 'aa'")
   105  }