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package bytes
import (
"encoding/json"
"fmt"
"strconv"
"testing"
"github.com/stretchr/testify/assert"
)
// This is a trivial test for protobuf compatibility.
func TestMarshal(t *testing.T) {
bz := []byte("hello world")
dataB := HexBytes(bz)
bz2, err := dataB.Marshal()
assert.Nil(t, err)
assert.Equal(t, bz, bz2)
var dataB2 HexBytes
err = (&dataB2).Unmarshal(bz)
assert.Nil(t, err)
assert.Equal(t, dataB, dataB2)
}
// Test that the hex encoding works.
func TestJSONMarshal(t *testing.T) {
type TestStruct struct {
B1 []byte
B2 HexBytes
}
cases := []struct {
input []byte
expected string
}{
{[]byte(``), `{"B1":"","B2":""}`},
{[]byte(`a`), `{"B1":"YQ==","B2":"61"}`},
{[]byte(`abc`), `{"B1":"YWJj","B2":"616263"}`},
}
for i, tc := range cases {
tc := tc
t.Run(fmt.Sprintf("Case %d", i), func(t *testing.T) {
ts := TestStruct{B1: tc.input, B2: tc.input}
// Test that it marshals correctly to JSON.
jsonBytes, err := json.Marshal(ts)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, string(jsonBytes), tc.expected)
// TODO do fuzz testing to ensure that unmarshal fails
// Test that unmarshaling works correctly.
ts2 := TestStruct{}
err = json.Unmarshal(jsonBytes, &ts2)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, ts2.B1, tc.input)
assert.Equal(t, ts2.B2, HexBytes(tc.input))
})
}
}
func TestHexBytes_String(t *testing.T) {
hs := HexBytes([]byte("test me"))
if _, err := strconv.ParseInt(hs.String(), 16, 64); err != nil {
t.Fatal(err)
}
}