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package packet
import (
"bytes"
"testing"
"github.com/stretchr/testify/assert"
)
func TestCommonHeaderSerialize(t *testing.T) {
tests := []struct {
name string
input *CommonHeader
expected []byte
}{
{
name: "Test #1",
input: &CommonHeader{
Version: 3,
MsgLength: 100,
MsgType: 10,
},
expected: []byte{3, 0, 0, 0, 100, 10},
},
}
for _, test := range tests {
buf := bytes.NewBuffer(nil)
test.input.Serialize(buf)
assert.Equalf(t, test.expected, buf.Bytes(), "Test %q", test.name)
}
}
func TestDecodeCommonHeader(t *testing.T) {
tests := []struct {
name string
input []byte
wantFail bool
expected *CommonHeader
}{
{
name: "Full packet",
input: []byte{
3, 0, 0, 0, 100, 10,
},
wantFail: false,
expected: &CommonHeader{
Version: 3,
MsgLength: 100,
MsgType: 10,
},
},
{
name: "Incomplete",
input: []byte{
3, 0, 0, 0, 100,
},
wantFail: true,
},
}
for _, test := range tests {
buf := bytes.NewBuffer(test.input)
ch, err := decodeCommonHeader(buf)
if err != nil {
if test.wantFail {
continue
}
t.Errorf("Unexpected failure for test %q: %v", test.name, err)
continue
}
if test.wantFail {
t.Errorf("Unexpected success for test %q", test.name)
continue
}
assert.Equalf(t, test.expected, ch, "Test %q", test.name)
}
}