90 lines
1.7 KiB
Go
90 lines
1.7 KiB
Go
package gzep_test
|
|
|
|
import (
|
|
"bytes"
|
|
"compress/gzip"
|
|
"io"
|
|
"sync"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"gitlab.com/slon/shad-go/gzep"
|
|
"gitlab.com/slon/shad-go/tools/testtool"
|
|
)
|
|
|
|
func BenchmarkEncode(b *testing.B) {
|
|
data := []byte(testtool.RandomName() +
|
|
"New function should generally only return pointer types, " +
|
|
"since a pointer can be put into the return interface " +
|
|
"value without an allocation.",
|
|
)
|
|
|
|
b.ResetTimer()
|
|
b.ReportAllocs()
|
|
for n := 0; n < b.N; n++ {
|
|
require.NoError(b, gzep.Encode(data, io.Discard))
|
|
}
|
|
}
|
|
|
|
func TestEncode_RoundTrip(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)
|
|
err := gzep.Encode([]byte(tc.in), buf)
|
|
require.NoError(t, err)
|
|
|
|
out, err := decode(buf)
|
|
require.NoError(t, err, tc.in)
|
|
require.Equal(t, tc.in, string(out))
|
|
})
|
|
|
|
}
|
|
}
|
|
|
|
func TestEncode_Stress(t *testing.T) {
|
|
wg := &sync.WaitGroup{}
|
|
|
|
n := 100
|
|
for i := 0; i < n; i++ {
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
|
|
_ = gzep.Encode([]byte("stonks"), io.Discard)
|
|
}()
|
|
}
|
|
|
|
wg.Wait()
|
|
}
|
|
|
|
func TestEncode_Compression(t *testing.T) {
|
|
buf := new(bytes.Buffer)
|
|
err := gzep.Encode(bytes.Repeat([]byte{0x1f}, 1000), buf)
|
|
require.NoError(t, err)
|
|
require.Less(t, buf.Len(), 1000)
|
|
}
|
|
|
|
func decode(r io.Reader) ([]byte, error) {
|
|
rr, err := gzip.NewReader(r)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer func() { _ = rr.Close() }()
|
|
|
|
buf := new(bytes.Buffer)
|
|
if _, err := io.Copy(buf, rr); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return buf.Bytes(), nil
|
|
}
|