func TestUnmarshalNullString(t *testing.T) {
var jsonNull string = `null`
var jsonNumber string = `3`
var jsonEmpty string = `""`
var validString string = `"foo"`
var n String
var err error
err = json.Unmarshal([]byte(jsonNull), &n)
expect.Nil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(jsonNumber), &n)
expect.NotNil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(jsonEmpty), &n)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.String, "")
err = json.Unmarshal([]byte(validString), &n)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.String, "foo")
}
func TestScanNullTime(t *testing.T) {
var rawTime = time.Now()
var mysqlTime = "2010-07-03 13:24:33"
var byteTime = []byte(mysqlTime)
var notTime = 3
var n Time
var err error
err = n.Scan(rawTime)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.NotEmpty(t, n.Time.Format("2006-01-02 15:04:05"))
err = n.Scan(mysqlTime)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.Time.Format("2006-01-02 15:04:05"), mysqlTime)
err = n.Scan(byteTime)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.Time.Format("2006-01-02 15:04:05"), mysqlTime)
err = n.Scan(notTime)
expect.NotNil(t, err)
expect.False(t, n.Valid)
}
func TestUnmarshalNullBool(t *testing.T) {
var jsonNull string = `null`
var jsonEmpty string = `""`
var bogusString string = `"bogus"`
var validTrue string = `true`
var validFalse string = `false`
var n Bool
var err error
err = json.Unmarshal([]byte(jsonNull), &n)
expect.Nil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(jsonEmpty), &n)
expect.Nil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(bogusString), &n)
expect.NotNil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(validTrue), &n)
expect.Nil(t, err)
expect.True(t, n.Valid)
err = json.Unmarshal([]byte(validFalse), &n)
expect.Nil(t, err)
expect.True(t, n.Valid)
}
func TestUnmarshalNullDate(t *testing.T) {
var jsonNull string = `null`
var jsonEmpty string = `""`
var stringDate string = `"2010-07-03"`
var stringTime string = `"2010-07-03T13:24:33"`
var stringBogus string = `"bogus"`
var n Date
var err error
err = json.Unmarshal([]byte(jsonNull), &n)
expect.Nil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(jsonEmpty), &n)
expect.Nil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(stringDate), &n)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.Date.Year, 2010)
expect.Equal(t, n.Date.Month, time.July)
expect.Equal(t, n.Date.Day, 3)
err = json.Unmarshal([]byte(stringTime), &n)
expect.NotNil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(stringBogus), &n)
expect.NotNil(t, err)
expect.False(t, n.Valid)
}
func TestUnmarshalNullTime(t *testing.T) {
var jsonNull string = `null`
var jsonEmpty string = `""`
var stringTime string = `"2010-07-03T13:24:33Z"`
var stringBogus string = `"bogus"`
var n Time
var err error
err = json.Unmarshal([]byte(jsonNull), &n)
expect.Nil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(jsonEmpty), &n)
expect.Nil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(stringTime), &n)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.Time.Format("2006-01-02 15:04:05"), "2010-07-03 13:24:33")
err = json.Unmarshal([]byte(stringBogus), &n)
expect.NotNil(t, err)
expect.False(t, n.Valid)
}
func TestPositionIsValid(t *testing.T) {
var pos Position
pos = Position{"", 0, 0, 0}
expect.False(t, pos.IsValid())
pos = Position{"", 0, 1, 0}
expect.True(t, pos.IsValid())
}
func TestScanNullDate(t *testing.T) {
var rawTime = time.Date(2010, time.July, 3, 13, 24, 33, 999, time.UTC)
var mysqlTime = "2010-07-03 13:24:33"
var mysqlDate = "2010-07-03"
var byteTime = []byte(mysqlTime)
var byteDate = []byte(mysqlDate)
var notTime = 3
var n Date
var err error
err = n.Scan(rawTime)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.Date.Year, 2010)
expect.Equal(t, n.Date.Month, time.July)
expect.Equal(t, n.Date.Day, 3)
err = n.Scan(mysqlTime)
expect.NotNil(t, err)
expect.False(t, n.Valid)
err = n.Scan(mysqlDate)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.Date.Year, 2010)
expect.Equal(t, n.Date.Month, time.July)
expect.Equal(t, n.Date.Day, 3)
err = n.Scan(byteTime)
expect.NotNil(t, err)
expect.False(t, n.Valid)
err = n.Scan(byteDate)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.Date.Year, 2010)
expect.Equal(t, n.Date.Month, time.July)
expect.Equal(t, n.Date.Day, 3)
err = n.Scan(notTime)
expect.NotNil(t, err)
expect.False(t, n.Valid)
}
func TestSetNullable(t *testing.T) {
var ns String
expect.False(t, ns.Valid)
ns.Set("hello world")
expect.True(t, ns.Valid)
var ni Int
expect.False(t, ni.Valid)
ni.Set(1)
expect.True(t, ni.Valid)
var nt Time
expect.False(t, nt.Valid)
nt.Set(time.Now())
expect.True(t, nt.Valid)
var nd Date
expect.False(t, nd.Valid)
nd.Set(date.From(time.Now()))
expect.True(t, nd.Valid)
var nb Bool
expect.False(t, nb.Valid)
nb.Set(true)
expect.True(t, nb.Valid)
var nu UUID
expect.False(t, nu.Valid)
nu.Set(uuid.UUID{0x6b, 0xa7, 0xb8, 0x10, 0x9d, 0xad, 0x11, 0xd1, 0x80, 0xb4, 0x00, 0xc0, 0x4f, 0xd4, 0x30, 0xc8})
expect.True(t, nu.Valid)
}
func TestUnmarshalNullInt(t *testing.T) {
var jsonNull string = `null`
var rationalFloat string = `12.22`
var roundedFloat string = `16.0`
var validZero string = `0`
var validNegative string = `-300`
var validPositive string = `1602525`
var n Int
var err error
err = json.Unmarshal([]byte(jsonNull), &n)
expect.Nil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(rationalFloat), &n)
expect.NotNil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(roundedFloat), &n)
expect.NotNil(t, err)
expect.False(t, n.Valid)
err = json.Unmarshal([]byte(validZero), &n)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.Int, 0)
err = json.Unmarshal([]byte(validNegative), &n)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.Int, -300)
err = json.Unmarshal([]byte(validPositive), &n)
expect.Nil(t, err)
expect.True(t, n.Valid)
expect.Equal(t, n.Int, 1602525)
}
func TestScanNullUUID(t *testing.T) {
// start with a null UUID and scan a typical UUID
{
expectedUUID := uuid.UUID{0x6b, 0xa7, 0xb8, 0x10, 0x9d, 0xad, 0x11, 0xd1, 0x80, 0xb4, 0x00, 0xc0, 0x4f, 0xd4, 0x30, 0xc8}
stringUUID := "6ba7b810-9dad-11d1-80b4-00c04fd430c8"
n := UUID{}
err := n.Scan(stringUUID)
expect.Nil(t, err, "error unmarshaling null.UUID")
expect.True(t, n.Valid, "null.UUID should be valid")
expect.Equal(t, n.UUID, expectedUUID, "UUIDs should be equal")
}
// start with some UUID, and scan nil
{
n := SomeUUID(uuid.UUID{0x6b, 0xa7, 0xb8, 0x10, 0x9d, 0xad, 0x11, 0xd1, 0x80, 0xb4, 0x00, 0xc0, 0x4f, 0xd4, 0x30, 0xc8})
err := n.Scan(nil)
expect.Nil(t, err, "error unmarshaling null.UUID")
expect.False(t, n.Valid, "null.UUID should not be valid")
expect.Equal(t, n.UUID, uuid.Nil, "null.UUID value should be equal to uuid.Nil")
}
}