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minio/pkg/s3select/sql/value_test.go
Klaus Post dac1cf5a9a S3 Select: Parsing tweaks (#8261) 
* Don't output empty lines.
* Trim whitespace from byte to int/float/bool conversions.
2019-09-17 17:21:23 -07:00

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/*
* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package sql
import (
"fmt"
"math"
"strconv"
"testing"
"time"
)
// valueBuilders contains one constructor for each value type.
// Values should match if type is the same.
var valueBuilders = []func() *Value{
func() *Value {
return FromNull()
},
func() *Value {
return FromBool(true)
},
func() *Value {
return FromBytes([]byte("byte contents"))
},
func() *Value {
return FromFloat(math.Pi)
},
func() *Value {
return FromInt(0x1337)
},
func() *Value {
t, err := time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
if err != nil {
panic(err)
}
return FromTimestamp(t)
},
func() *Value {
return FromString("string contents")
},
}
// altValueBuilders contains one constructor for each value type.
// Values are zero values and should NOT match the values in valueBuilders, except Null type.
var altValueBuilders = []func() *Value{
func() *Value {
return FromNull()
},
func() *Value {
return FromBool(false)
},
func() *Value {
return FromBytes(nil)
},
func() *Value {
return FromFloat(0)
},
func() *Value {
return FromInt(0)
},
func() *Value {
return FromTimestamp(time.Time{})
},
func() *Value {
return FromString("")
},
}
func TestValue_SameTypeAs(t *testing.T) {
type fields struct {
a, b Value
}
type test struct {
name string
fields fields
wantOk bool
}
var tests []test
for i := range valueBuilders {
a := valueBuilders[i]()
for j := range valueBuilders {
b := valueBuilders[j]()
tests = append(tests, test{
name: fmt.Sprint(a.GetTypeString(), "==", b.GetTypeString()),
fields: fields{
a: *a, b: *b,
},
wantOk: i == j,
})
}
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if gotOk := tt.fields.a.SameTypeAs(tt.fields.b); gotOk != tt.wantOk {
t.Errorf("SameTypeAs() = %v, want %v", gotOk, tt.wantOk)
}
})
}
}
func TestValue_Equals(t *testing.T) {
type fields struct {
a, b Value
}
type test struct {
name string
fields fields
wantOk bool
}
var tests []test
for i := range valueBuilders {
a := valueBuilders[i]()
for j := range valueBuilders {
b := valueBuilders[j]()
tests = append(tests, test{
name: fmt.Sprint(a.GetTypeString(), "==", b.GetTypeString()),
fields: fields{
a: *a, b: *b,
},
wantOk: i == j,
})
}
}
for i := range valueBuilders {
a := valueBuilders[i]()
for j := range altValueBuilders {
b := altValueBuilders[j]()
tests = append(tests, test{
name: fmt.Sprint(a.GetTypeString(), "!=", b.GetTypeString()),
fields: fields{
a: *a, b: *b,
},
// Only Null == Null
wantOk: a.IsNull() && b.IsNull() && i == 0 && j == 0,
})
}
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if gotOk := tt.fields.a.Equals(tt.fields.b); gotOk != tt.wantOk {
t.Errorf("Equals() = %v, want %v", gotOk, tt.wantOk)
}
})
}
}
func TestValue_CSVString(t *testing.T) {
type fields struct {
value interface{}
}
type test struct {
name string
want string
wantAlt string
}
tests := []test{
{
name: valueBuilders[0]().String(),
want: "",
wantAlt: "",
},
{
name: valueBuilders[1]().String(),
want: "true",
wantAlt: "false",
},
{
name: valueBuilders[2]().String(),
want: "byte contents",
wantAlt: "",
},
{
name: valueBuilders[3]().String(),
want: "3.141592653589793",
wantAlt: "0",
},
{
name: valueBuilders[4]().String(),
want: "4919",
wantAlt: "0",
},
{
name: valueBuilders[5]().String(),
want: "2006-01-02T15:04:05Z",
wantAlt: "0001T",
},
{
name: valueBuilders[6]().String(),
want: "string contents",
wantAlt: "",
},
}
for i, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
v := valueBuilders[i]()
vAlt := altValueBuilders[i]()
if got := v.CSVString(); got != tt.want {
t.Errorf("CSVString() = %v, want %v", got, tt.want)
}
if got := vAlt.CSVString(); got != tt.wantAlt {
t.Errorf("CSVString() = %v, want %v", got, tt.wantAlt)
}
})
}
}
func TestValue_bytesToInt(t *testing.T) {
type fields struct {
value interface{}
}
tests := []struct {
name string
fields fields
want int64
wantOK bool
}{
{
name: "zero",
fields: fields{
value: []byte("0"),
},
want: 0,
wantOK: true,
},
{
name: "minuszero",
fields: fields{
value: []byte("-0"),
},
want: 0,
wantOK: true,
},
{
name: "one",
fields: fields{
value: []byte("1"),
},
want: 1,
wantOK: true,
},
{
name: "minusone",
fields: fields{
value: []byte("-1"),
},
want: -1,
wantOK: true,
},
{
name: "plusone",
fields: fields{
value: []byte("+1"),
},
want: 1,
wantOK: true,
},
{
name: "max",
fields: fields{
value: []byte(strconv.FormatInt(math.MaxInt64, 10)),
},
want: math.MaxInt64,
wantOK: true,
},
{
name: "min",
fields: fields{
value: []byte(strconv.FormatInt(math.MinInt64, 10)),
},
want: math.MinInt64,
wantOK: true,
},
{
name: "max-overflow",
fields: fields{
value: []byte("9223372036854775808"),
},
// Seems to be what strconv.ParseInt returns
want: math.MaxInt64,
wantOK: false,
},
{
name: "min-underflow",
fields: fields{
value: []byte("-9223372036854775809"),
},
// Seems to be what strconv.ParseInt returns
want: math.MinInt64,
wantOK: false,
},
{
name: "zerospace",
fields: fields{
value: []byte(" 0"),
},
want: 0,
wantOK: true,
},
{
name: "onespace",
fields: fields{
value: []byte("1 "),
},
want: 1,
wantOK: true,
},
{
name: "minusonespace",
fields: fields{
value: []byte(" -1 "),
},
want: -1,
wantOK: true,
},
{
name: "plusonespace",
fields: fields{
value: []byte("\t+1\t"),
},
want: 1,
wantOK: true,
},
{
name: "scientific",
fields: fields{
value: []byte("3e5"),
},
want: 0,
wantOK: false,
},
{
// No support for prefixes
name: "hex",
fields: fields{
value: []byte("0xff"),
},
want: 0,
wantOK: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
v := &Value{
value: tt.fields.value,
}
got, got1 := v.bytesToInt()
if got != tt.want {
t.Errorf("bytesToInt() got = %v, want %v", got, tt.want)
}
if got1 != tt.wantOK {
t.Errorf("bytesToInt() got1 = %v, want %v", got1, tt.wantOK)
}
})
}
}
func TestValue_bytesToFloat(t *testing.T) {
type fields struct {
value interface{}
}
tests := []struct {
name string
fields fields
want float64
wantOK bool
}{
// Copied from TestValue_bytesToInt.
{
name: "zero",
fields: fields{
value: []byte("0"),
},
want: 0,
wantOK: true,
},
{
name: "minuszero",
fields: fields{
value: []byte("-0"),
},
want: 0,
wantOK: true,
},
{
name: "one",
fields: fields{
value: []byte("1"),
},
want: 1,
wantOK: true,
},
{
name: "minusone",
fields: fields{
value: []byte("-1"),
},
want: -1,
wantOK: true,
},
{
name: "plusone",
fields: fields{
value: []byte("+1"),
},
want: 1,
wantOK: true,
},
{
name: "maxint",
fields: fields{
value: []byte(strconv.FormatInt(math.MaxInt64, 10)),
},
want: math.MaxInt64,
wantOK: true,
},
{
name: "minint",
fields: fields{
value: []byte(strconv.FormatInt(math.MinInt64, 10)),
},
want: math.MinInt64,
wantOK: true,
},
{
name: "max-overflow-int",
fields: fields{
value: []byte("9223372036854775808"),
},
// Seems to be what strconv.ParseInt returns
want: math.MaxInt64,
wantOK: true,
},
{
name: "min-underflow-int",
fields: fields{
value: []byte("-9223372036854775809"),
},
// Seems to be what strconv.ParseInt returns
want: math.MinInt64,
wantOK: true,
},
{
name: "max",
fields: fields{
value: []byte(strconv.FormatFloat(math.MaxFloat64, 'g', -1, 64)),
},
want: math.MaxFloat64,
wantOK: true,
},
{
name: "min",
fields: fields{
value: []byte(strconv.FormatFloat(-math.MaxFloat64, 'g', -1, 64)),
},
want: -math.MaxFloat64,
wantOK: true,
},
{
name: "max-overflow",
fields: fields{
value: []byte("1.797693134862315708145274237317043567981e+309"),
},
// Seems to be what strconv.ParseInt returns
want: math.Inf(1),
wantOK: false,
},
{
name: "min-underflow",
fields: fields{
value: []byte("-1.797693134862315708145274237317043567981e+309"),
},
// Seems to be what strconv.ParseInt returns
want: math.Inf(-1),
wantOK: false,
},
{
name: "smallest-pos",
fields: fields{
value: []byte(strconv.FormatFloat(math.SmallestNonzeroFloat64, 'g', -1, 64)),
},
want: math.SmallestNonzeroFloat64,
wantOK: true,
},
{
name: "smallest-pos",
fields: fields{
value: []byte(strconv.FormatFloat(-math.SmallestNonzeroFloat64, 'g', -1, 64)),
},
want: -math.SmallestNonzeroFloat64,
wantOK: true,
},
{
name: "zerospace",
fields: fields{
value: []byte(" 0"),
},
want: 0,
wantOK: true,
},
{
name: "onespace",
fields: fields{
value: []byte("1 "),
},
want: 1,
wantOK: true,
},
{
name: "minusonespace",
fields: fields{
value: []byte(" -1 "),
},
want: -1,
wantOK: true,
},
{
name: "plusonespace",
fields: fields{
value: []byte("\t+1\t"),
},
want: 1,
wantOK: true,
},
{
name: "scientific",
fields: fields{
value: []byte("3e5"),
},
want: 300000,
wantOK: true,
},
{
// No support for prefixes
name: "hex",
fields: fields{
value: []byte("0xff"),
},
want: 0,
wantOK: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
v := Value{
value: tt.fields.value,
}
got, got1 := v.bytesToFloat()
if got != tt.want {
t.Errorf("bytesToFloat() got = %v, want %v", got, tt.want)
}
if got1 != tt.wantOK {
t.Errorf("bytesToFloat() got1 = %v, want %v", got1, tt.wantOK)
}
})
}
}
func TestValue_bytesToBool(t *testing.T) {
type fields struct {
value interface{}
}
tests := []struct {
name string
fields fields
wantVal bool
wantOk bool
}{
{
name: "true",
fields: fields{
value: []byte("true"),
},
wantVal: true,
wantOk: true,
},
{
name: "false",
fields: fields{
value: []byte("false"),
},
wantVal: false,
wantOk: true,
},
{
name: "t",
fields: fields{
value: []byte("t"),
},
wantVal: true,
wantOk: true,
},
{
name: "f",
fields: fields{
value: []byte("f"),
},
wantVal: false,
wantOk: true,
},
{
name: "1",
fields: fields{
value: []byte("1"),
},
wantVal: true,
wantOk: true,
},
{
name: "0",
fields: fields{
value: []byte("0"),
},
wantVal: false,
wantOk: true,
},
{
name: "truespace",
fields: fields{
value: []byte(" true "),
},
wantVal: true,
wantOk: true,
},
{
name: "truetabs",
fields: fields{
value: []byte("\ttrue\t"),
},
wantVal: true,
wantOk: true,
},
{
name: "TRUE",
fields: fields{
value: []byte("TRUE"),
},
wantVal: true,
wantOk: true,
},
{
name: "FALSE",
fields: fields{
value: []byte("FALSE"),
},
wantVal: false,
wantOk: true,
},
{
name: "invalid",
fields: fields{
value: []byte("no"),
},
wantVal: false,
wantOk: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
v := Value{
value: tt.fields.value,
}
gotVal, gotOk := v.bytesToBool()
if gotVal != tt.wantVal {
t.Errorf("bytesToBool() gotVal = %v, want %v", gotVal, tt.wantVal)
}
if gotOk != tt.wantOk {
t.Errorf("bytesToBool() gotOk = %v, want %v", gotOk, tt.wantOk)
}
})
}
}
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