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package bare
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestUnmarshalValue(t *testing.T) {
var (
err error
u8 uint8
u16 uint16
u32 uint32
u64 uint64
u uint
vu Uint
i8 int8
i16 int16
i32 int32
i64 int64
i int
vi Int
f32 float32
f64 float64
b bool
str string
)
payloads := [][]byte{
[]byte{0x42},
[]byte{0xFE, 0xCA},
[]byte{0xEF, 0xBE, 0xAD, 0xDE},
[]byte{0xEF, 0xBE, 0xAD, 0xDE, 0xBE, 0xBA, 0xFE, 0xCA},
[]byte{0xEF, 0xFD, 0xB6, 0xF5, 0x0D},
[]byte{0xD6},
[]byte{0x2E, 0xFB},
[]byte{0xB2, 0x9E, 0x43, 0xFF},
[]byte{0x4F, 0x0B, 0x6E, 0x9D, 0xAB, 0x23, 0xD4, 0xFF},
[]byte{0x9B, 0x85, 0xE3, 0x0B},
[]byte{0x71, 0x2D, 0xA7, 0x44},
[]byte{0x9B, 0x6C, 0xC9, 0x20, 0xF0, 0x21, 0x3F, 0x42},
[]byte{0x00, 0x01, 0x02},
[]byte{0x1B, 0xE3, 0x81, 0x93, 0xE3, 0x82, 0x93, 0xE3, 0x81, 0xAB,
0xE3, 0x81, 0xA1, 0xE3, 0x81, 0xAF, 0xE3, 0x80, 0x81, 0xE4, 0xB8,
0x96, 0xE7, 0x95, 0x8C, 0xEF, 0xBC, 0x81},
}
err = Unmarshal(payloads[0], &u8)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, uint8(0x42), u8, "Expected Unmarshal to read 0x42")
err = Unmarshal(payloads[1], &u16)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, uint16(0xCAFE), u16, "Expected Unmarshal to read 0xCAFE")
err = Unmarshal(payloads[2], &u32)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, uint32(0xDEADBEEF), u32, "Expected Unmarshal to read 0xDEADBEEF")
err = Unmarshal(payloads[3], &u64)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, uint64(0xCAFEBABEDEADBEEF), u64, "Expected Unmarshal to read 0xCAFEBABEDEADBEEF")
err = Unmarshal(payloads[4], &u)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, uint(0xDEADBEEF), u, "Expected Unmarshal to read 0xDEADBEEF")
err = Unmarshal(payloads[4], &vu)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, Uint(0xDEADBEEF), vu, "Expected Unmarshal to read 0xDEADBEEF")
err = Unmarshal(payloads[5], &i8)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, int8(-42), i8, "Expected Unmarshal to read -42")
err = Unmarshal(payloads[6], &i16)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, int16(-1234), i16, "Expected Unmarshal to read -1234")
err = Unmarshal(payloads[7], &i32)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, int32(-12345678), i32, "Expected Unmarshal to read -12345678")
err = Unmarshal(payloads[8], &i64)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, int64(-12345678987654321), i64, "Expected Unmarshal to read -12345678987654321")
err = Unmarshal(payloads[9], &i)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, int(-12345678), i, "Expected Unmarshal to read -12345678")
err = Unmarshal(payloads[9], &vi)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, Int(-12345678), vi, "Expected Unmarshal to read -12345678")
err = Unmarshal(payloads[10], &f32)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, float32(1337.42), f32, "Expected Unmarshal to read 1337.42")
err = Unmarshal(payloads[11], &f64)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, float64(133713371337.42424242), f64, "Expected Unmarshal to read 133713371337.42424242")
err = Unmarshal(payloads[12][0:], &b)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.False(t, b, "Expected Unmarshal to read false")
err = Unmarshal(payloads[12][1:], &b)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.True(t, b, "Expected Unmarshal to read true")
err = Unmarshal(payloads[12][2:], &b)
assert.EqualError(t, err, "Invalid bool value: 0x2")
err = Unmarshal(payloads[13], &str)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, "こんにちは、世界！", str, "Expected Unmarshal to read 'こんにちは、世界！'")
}
func TestUnmarshalOptional(t *testing.T) {
var val *uint32
err := Unmarshal([]byte{0x00}, &val)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Nil(t, val, "Expected Unmarshal to read nil")
err = Unmarshal([]byte{0x01, 0xEF, 0xBE, 0xAD, 0xDE}, &val)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.NotNil(t, val, "Expected Unmarshal to read non-nil value")
assert.Equal(t, uint32(0xDEADBEEF), *val, "Expected Unmarshal to read 0xDEADBEEF")
err = Unmarshal([]byte{0x02}, &val)
assert.EqualError(t, err, "Invalid optional value: 0x2")
}
func TestUnmarshalStruct(t *testing.T) {
type Coordinates struct{ X, Y, Z uint }
payload := []byte{0x01, 0x02, 0x03}
var coords Coordinates
err := Unmarshal(payload, &coords)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, uint(1), coords.X, "Expected Unmarshal to read {1, 2, 3}")
assert.Equal(t, uint(2), coords.Y, "Expected Unmarshal to read {1, 2, 3}")
assert.Equal(t, uint(3), coords.Z, "Expected Unmarshal to read {1, 2, 3}")
}
func TestUnmarshalOmittedFields(t *testing.T) {
type Coordinates struct {
X uint
Y uint
Z uint `bare:"-"`
}
payload := []byte{0x01, 0x02}
var coords Coordinates
err := Unmarshal(payload, &coords)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, uint(1), coords.X, "Expected Unmarshal to read {1, 2}")
assert.Equal(t, uint(2), coords.Y, "Expected Unmarshal to read {1, 2}")
assert.Equal(t, uint(0), coords.Z, "Expected Unmarshal to ignore field")
}
func TestUnmarshalArray(t *testing.T) {
var val [4]uint8
err := Unmarshal([]byte{0x11, 0x22, 0x33, 0x44}, &val)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, uint8(0x11), val[0], "Expected Unmarshal to read 0x11")
assert.Equal(t, uint8(0x22), val[1], "Expected Unmarshal to read 0x22")
assert.Equal(t, uint8(0x33), val[2], "Expected Unmarshal to read 0x33")
assert.Equal(t, uint8(0x44), val[3], "Expected Unmarshal to read 0x44")
}
func TestUnmarshalSlice(t *testing.T) {
var val []uint8
err := Unmarshal([]byte{0x04, 0x11, 0x22, 0x33, 0x44}, &val)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, 4, len(val), "Expected Unmarshal to read slice of length 4")
assert.Equal(t, uint8(0x11), val[0], "Expected Unmarshal to read 0x11")
assert.Equal(t, uint8(0x22), val[1], "Expected Unmarshal to read 0x22")
assert.Equal(t, uint8(0x33), val[2], "Expected Unmarshal to read 0x33")
assert.Equal(t, uint8(0x44), val[3], "Expected Unmarshal to read 0x44")
MaxArrayLength(64)
err = Unmarshal([]byte{100}, &val)
assert.EqualError(t, err, "Array length 100 exceeds configured limit of 64")
}
func TestUnmarshalMap(t *testing.T) {
var val map[uint8]uint8
payload := []byte{
0x03,
0x01, 0x11,
0x02, 0x22,
0x03, 0x33,
}
err := Unmarshal(payload, &val)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, 3, len(val), "Expected Unmarshal to read map of length 3")
assert.Equal(t, uint8(0x11), val[uint8(0x01)], "Expected Unmarshal to read 0x01 -> 0x11")
assert.Equal(t, uint8(0x22), val[uint8(0x02)], "Expected Unmarshal to read 0x02 -> 0x22")
assert.Equal(t, uint8(0x33), val[uint8(0x03)], "Expected Unmarshal to read 0x03 -> 0x33")
t.Run("rejects duplicate keys", func(t *testing.T) {
payload = []byte{
0x02,
0x01, 0x13,
0x01, 0x37,
}
err = Unmarshal(payload, &val)
assert.EqualError(t, err, "Encountered duplicate map key: 1")
})
t.Run("respects size limits", func(t *testing.T) {
MaxMapSize(64)
payload = []byte{100}
err = Unmarshal(payload, &val)
assert.EqualError(t, err, "Map size 100 exceeds configured limit of 64")
})
}
func TestUnmarshalUnion(t *testing.T) {
var val NameAge
payload := []byte{0x00, 0x04, 0x4d, 0x61, 0x72, 0x79}
err := Unmarshal(payload, &val)
assert.Nil(t, err, "Expected Unmarshal to return without error")
name, ok := val.(*Name)
assert.True(t, ok)
assert.Equal(t, Name("Mary"), *name)
payload = []byte{0x01, 0x30}
err = Unmarshal(payload, &val)
assert.Nil(t, err, "Expected Unmarshal to return without error")
age, ok := val.(*Age)
assert.True(t, ok)
assert.Equal(t, Age(24), *age)
payload = []byte{0x13, 0x37}
err = Unmarshal(payload, &val)
assert.EqualError(t, err, "Invalid union tag 19 for type NameAge")
}
func TestUnmarshalCustom(t *testing.T) {
var val Custom
payload := []byte{0x0, 0x42}
err := Unmarshal(payload, &val)
assert.Nil(t, err, "Expected Unmarshal to return without error")
assert.Equal(t, Custom(0x42), val)
}
|
