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package gojay
import (
"database/sql"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestDecodeSQLNullString(t *testing.T) {
testCases := []struct {
name string
json string
expectedNullString sql.NullString
err bool
}{
{
name: "basic",
json: `"test"`,
expectedNullString: sql.NullString{String: "test", Valid: true},
},
{
name: "basic",
json: `"test`,
expectedNullString: sql.NullString{String: "test", Valid: true},
err: true,
},
}
for _, testCase := range testCases {
t.Run(testCase.name, func(t *testing.T) {
nullString := sql.NullString{}
dec := NewDecoder(strings.NewReader(testCase.json))
err := dec.DecodeSQLNullString(&nullString)
if testCase.err {
assert.NotNil(t, err)
} else {
assert.Nil(t, err)
assert.Equal(t, testCase.expectedNullString, nullString)
}
})
}
t.Run(
"should panic because decoder is pooled",
func(t *testing.T) {
dec := NewDecoder(nil)
dec.Release()
defer func() {
err := recover()
assert.NotNil(t, err, "err shouldnt be nil")
assert.IsType(t, InvalidUsagePooledDecoderError(""), err, "err should be of type InvalidUsagePooledDecoderError")
}()
_ = dec.DecodeSQLNullString(&sql.NullString{})
assert.True(t, false, "should not be called as decoder should have panicked")
},
)
}
func TestDecodeSQLNullInt64(t *testing.T) {
testCases := []struct {
name string
json string
expectedNullInt64 sql.NullInt64
err bool
}{
{
name: "basic",
json: `1`,
expectedNullInt64: sql.NullInt64{Int64: 1, Valid: true},
},
{
name: "basic",
json: `"test`,
expectedNullInt64: sql.NullInt64{Int64: 1, Valid: true},
err: true,
},
}
for _, testCase := range testCases {
t.Run(testCase.name, func(t *testing.T) {
nullInt64 := sql.NullInt64{}
dec := NewDecoder(strings.NewReader(testCase.json))
err := dec.DecodeSQLNullInt64(&nullInt64)
if testCase.err {
assert.NotNil(t, err)
} else {
assert.Nil(t, err)
assert.Equal(t, testCase.expectedNullInt64, nullInt64)
}
})
}
t.Run(
"should panic because decoder is pooled",
func(t *testing.T) {
dec := NewDecoder(nil)
dec.Release()
defer func() {
err := recover()
assert.NotNil(t, err, "err shouldnt be nil")
assert.IsType(t, InvalidUsagePooledDecoderError(""), err, "err should be of type InvalidUsagePooledDecoderError")
}()
_ = dec.DecodeSQLNullInt64(&sql.NullInt64{})
assert.True(t, false, "should not be called as decoder should have panicked")
},
)
}
func TestDecodeSQLNullFloat64(t *testing.T) {
testCases := []struct {
name string
json string
expectedNullFloat64 sql.NullFloat64
err bool
}{
{
name: "basic",
json: `1`,
expectedNullFloat64: sql.NullFloat64{Float64: 1, Valid: true},
},
{
name: "basic",
json: `"test`,
expectedNullFloat64: sql.NullFloat64{Float64: 1, Valid: true},
err: true,
},
}
for _, testCase := range testCases {
t.Run(testCase.name, func(t *testing.T) {
nullFloat64 := sql.NullFloat64{}
dec := NewDecoder(strings.NewReader(testCase.json))
err := dec.DecodeSQLNullFloat64(&nullFloat64)
if testCase.err {
assert.NotNil(t, err)
} else {
assert.Nil(t, err)
assert.Equal(t, testCase.expectedNullFloat64, nullFloat64)
}
})
}
t.Run(
"should panic because decoder is pooled",
func(t *testing.T) {
dec := NewDecoder(nil)
dec.Release()
defer func() {
err := recover()
assert.NotNil(t, err, "err shouldnt be nil")
assert.IsType(t, InvalidUsagePooledDecoderError(""), err, "err should be of type InvalidUsagePooledDecoderError")
}()
_ = dec.DecodeSQLNullFloat64(&sql.NullFloat64{})
assert.True(t, false, "should not be called as decoder should have panicked")
},
)
}
func TestDecodeSQLNullBool(t *testing.T) {
testCases := []struct {
name string
json string
expectedNullBool sql.NullBool
err bool
}{
{
name: "basic",
json: `true`,
expectedNullBool: sql.NullBool{Bool: true, Valid: true},
},
{
name: "basic",
json: `"&`,
expectedNullBool: sql.NullBool{Bool: true, Valid: true},
err: true,
},
}
for _, testCase := range testCases {
t.Run(testCase.name, func(t *testing.T) {
nullBool := sql.NullBool{}
dec := NewDecoder(strings.NewReader(testCase.json))
err := dec.DecodeSQLNullBool(&nullBool)
if testCase.err {
assert.NotNil(t, err)
} else {
assert.Nil(t, err)
assert.Equal(t, testCase.expectedNullBool, nullBool)
}
})
}
t.Run(
"should panic because decoder is pooled",
func(t *testing.T) {
dec := NewDecoder(nil)
dec.Release()
defer func() {
err := recover()
assert.NotNil(t, err, "err shouldnt be nil")
assert.IsType(t, InvalidUsagePooledDecoderError(""), err, "err should be of type InvalidUsagePooledDecoderError")
}()
_ = dec.DecodeSQLNullBool(&sql.NullBool{})
assert.True(t, false, "should not be called as decoder should have panicked")
},
)
}
type SQLDecodeObject struct {
S sql.NullString
F sql.NullFloat64
I sql.NullInt64
B sql.NullBool
}
func (s *SQLDecodeObject) UnmarshalJSONObject(dec *Decoder, k string) error {
switch k {
case "s":
return dec.AddSQLNullString(&s.S)
case "f":
return dec.AddSQLNullFloat64(&s.F)
case "i":
return dec.AddSQLNullInt64(&s.I)
case "b":
return dec.AddSQLNullBool(&s.B)
}
return nil
}
func (s *SQLDecodeObject) NKeys() int {
return 0
}
func TestDecodeSQLNullKeys(t *testing.T) {
var testCases = []struct {
name string
json string
expectedResult *SQLDecodeObject
err bool
}{
{
name: "basic all valid",
json: `{
"s": "foo",
"f": 0.3,
"i": 3,
"b": true
}`,
expectedResult: &SQLDecodeObject{
S: sql.NullString{
String: "foo",
Valid: true,
},
F: sql.NullFloat64{
Float64: 0.3,
Valid: true,
},
I: sql.NullInt64{
Int64: 3,
Valid: true,
},
B: sql.NullBool{
Bool: true,
Valid: true,
},
},
},
{
name: "string not valid",
json: `{
"s": null,
"f": 0.3,
"i": 3,
"b": true
}`,
expectedResult: &SQLDecodeObject{
S: sql.NullString{
Valid: false,
},
F: sql.NullFloat64{
Float64: 0.3,
Valid: true,
},
I: sql.NullInt64{
Int64: 3,
Valid: true,
},
B: sql.NullBool{
Bool: true,
Valid: true,
},
},
},
{
name: "string not valid, int not valid",
json: `{
"s": null,
"f": 0.3,
"i": null,
"b": true
}`,
expectedResult: &SQLDecodeObject{
S: sql.NullString{
Valid: false,
},
F: sql.NullFloat64{
Float64: 0.3,
Valid: true,
},
I: sql.NullInt64{
Valid: false,
},
B: sql.NullBool{
Bool: true,
Valid: true,
},
},
},
{
name: "keys absent",
json: `{
"f": 0.3,
"i": 3,
"b": true
}`,
expectedResult: &SQLDecodeObject{
S: sql.NullString{
Valid: false,
},
F: sql.NullFloat64{
Float64: 0.3,
Valid: true,
},
I: sql.NullInt64{
Valid: true,
Int64: 3,
},
B: sql.NullBool{
Bool: true,
Valid: true,
},
},
},
{
name: "keys all null",
json: `{
"s": null,
"f": null,
"i": null,
"b": null
}`,
expectedResult: &SQLDecodeObject{
S: sql.NullString{
Valid: false,
},
F: sql.NullFloat64{
Valid: false,
},
I: sql.NullInt64{
Valid: false,
},
B: sql.NullBool{
Valid: false,
},
},
},
{
name: "err string key",
json: `{
"s": "`,
err: true,
},
{
name: "err float key",
json: `{
"s": null,
"f": 1",
"i": null,
"b": null
}`,
err: true,
},
{
name: "err int key",
json: `{
"s": null,
"f": null,
"i": 1",
"b": null
}`,
err: true,
},
{
name: "err bool key",
json: `{
"s": null,
"f": null,
"i": null,
"b": tra
}`,
err: true,
},
}
for _, testCase := range testCases {
t.Run(testCase.name, func(t *testing.T) {
var o = &SQLDecodeObject{}
var dec = NewDecoder(strings.NewReader(testCase.json))
var err = dec.Decode(o)
if testCase.err {
require.NotNil(t, err)
return
}
require.Nil(t, err)
require.Equal(
t,
testCase.expectedResult,
o,
)
})
}
}