shad-go/vegz/encode_test.go
2022-05-05 19:08:49 +03:00

63 lines
1.2 KiB
Go

package vegz
import (
"bytes"
"compress/gzip"
"io"
"testing"
"github.com/stretchr/testify/require"
"gitlab.com/slon/shad-go/tools/testtool"
)
func BenchmarkEncode(b *testing.B) {
data := []byte(
"New function should generally only return pointer types, " +
"since a pointer can be put into the return interface " +
"value without an allocation. " +
testtool.RandomName(),
)
b.ResetTimer()
b.ReportAllocs()
for n := 0; n < b.N; n++ {
require.NoError(b, Encode(data, io.Discard))
}
}
func TestRoundTrip(t *testing.T) {
testCases := []struct {
name string
in string
}{
{name: "empty", in: ""},
{name: "simple", in: "A long time ago in a galaxy far, far away..."},
{name: "random", in: testtool.RandomName()},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
buf := new(bytes.Buffer)
require.NoError(t, Encode([]byte(tc.in), buf))
out, err := decode(buf.Bytes())
require.NoError(t, err, tc.in)
require.Equal(t, tc.in, string(out))
})
}
}
func decode(data []byte) ([]byte, error) {
r, err := gzip.NewReader(bytes.NewReader(data))
if err != nil {
return nil, err
}
buf := &bytes.Buffer{}
if _, err := io.Copy(buf, r); err != nil {
return nil, err
}
return buf.Bytes(), nil
}