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|
package fasthttp
import (
"bytes"
"errors"
"fmt"
"io"
"testing"
"time"
)
var compressTestcases = func() []string {
a := []string{
"",
"foobar",
"выфаодлодл одлфываыв sd2 k34",
}
bigS := createFixedBody(1e4)
a = append(a, string(bigS))
return a
}()
func TestGzipBytesSerial(t *testing.T) {
t.Parallel()
if err := testGzipBytes(); err != nil {
t.Fatal(err)
}
}
func TestGzipBytesConcurrent(t *testing.T) {
t.Parallel()
if err := testConcurrent(10, testGzipBytes); err != nil {
t.Fatal(err)
}
}
func TestDeflateBytesSerial(t *testing.T) {
t.Parallel()
if err := testDeflateBytes(); err != nil {
t.Fatal(err)
}
}
func TestDeflateBytesConcurrent(t *testing.T) {
t.Parallel()
if err := testConcurrent(10, testDeflateBytes); err != nil {
t.Fatal(err)
}
}
func testGzipBytes() error {
for _, s := range compressTestcases {
if err := testGzipBytesSingleCase(s); err != nil {
return err
}
}
return nil
}
func testDeflateBytes() error {
for _, s := range compressTestcases {
if err := testDeflateBytesSingleCase(s); err != nil {
return err
}
}
return nil
}
func testGzipBytesSingleCase(s string) error {
prefix := []byte("foobar")
gzippedS := AppendGzipBytes(prefix, []byte(s))
if !bytes.Equal(gzippedS[:len(prefix)], prefix) {
return fmt.Errorf("unexpected prefix when compressing %q: %q. Expecting %q", s, gzippedS[:len(prefix)], prefix)
}
gunzippedS, err := AppendGunzipBytes(prefix, gzippedS[len(prefix):])
if err != nil {
return fmt.Errorf("unexpected error when uncompressing %q: %w", s, err)
}
if !bytes.Equal(gunzippedS[:len(prefix)], prefix) {
return fmt.Errorf("unexpected prefix when uncompressing %q: %q. Expecting %q", s, gunzippedS[:len(prefix)], prefix)
}
gunzippedS = gunzippedS[len(prefix):]
if string(gunzippedS) != s {
return fmt.Errorf("unexpected uncompressed string %q. Expecting %q", gunzippedS, s)
}
return nil
}
func testDeflateBytesSingleCase(s string) error {
prefix := []byte("foobar")
deflatedS := AppendDeflateBytes(prefix, []byte(s))
if !bytes.Equal(deflatedS[:len(prefix)], prefix) {
return fmt.Errorf("unexpected prefix when compressing %q: %q. Expecting %q", s, deflatedS[:len(prefix)], prefix)
}
inflatedS, err := AppendInflateBytes(prefix, deflatedS[len(prefix):])
if err != nil {
return fmt.Errorf("unexpected error when uncompressing %q: %w", s, err)
}
if !bytes.Equal(inflatedS[:len(prefix)], prefix) {
return fmt.Errorf("unexpected prefix when uncompressing %q: %q. Expecting %q", s, inflatedS[:len(prefix)], prefix)
}
inflatedS = inflatedS[len(prefix):]
if string(inflatedS) != s {
return fmt.Errorf("unexpected uncompressed string %q. Expecting %q", inflatedS, s)
}
return nil
}
func TestGzipCompressSerial(t *testing.T) {
t.Parallel()
if err := testGzipCompress(); err != nil {
t.Fatal(err)
}
}
func TestGzipCompressConcurrent(t *testing.T) {
t.Parallel()
if err := testConcurrent(10, testGzipCompress); err != nil {
t.Fatal(err)
}
}
func TestFlateCompressSerial(t *testing.T) {
t.Parallel()
if err := testFlateCompress(); err != nil {
t.Fatal(err)
}
}
func TestFlateCompressConcurrent(t *testing.T) {
t.Parallel()
if err := testConcurrent(10, testFlateCompress); err != nil {
t.Fatal(err)
}
}
func testGzipCompress() error {
for _, s := range compressTestcases {
if err := testGzipCompressSingleCase(s); err != nil {
return err
}
}
return nil
}
func testFlateCompress() error {
for _, s := range compressTestcases {
if err := testFlateCompressSingleCase(s); err != nil {
return err
}
}
return nil
}
func testGzipCompressSingleCase(s string) error {
var buf bytes.Buffer
zw := acquireStacklessGzipWriter(&buf, CompressDefaultCompression)
if _, err := zw.Write([]byte(s)); err != nil {
return fmt.Errorf("unexpected error: %w. s=%q", err, s)
}
releaseStacklessGzipWriter(zw, CompressDefaultCompression)
zr, err := acquireGzipReader(&buf)
if err != nil {
return fmt.Errorf("unexpected error: %w. s=%q", err, s)
}
body, err := io.ReadAll(zr)
if err != nil {
return fmt.Errorf("unexpected error: %w. s=%q", err, s)
}
if string(body) != s {
return fmt.Errorf("unexpected string after decompression: %q. Expecting %q", body, s)
}
releaseGzipReader(zr)
return nil
}
func testFlateCompressSingleCase(s string) error {
var buf bytes.Buffer
zw := acquireStacklessDeflateWriter(&buf, CompressDefaultCompression)
if _, err := zw.Write([]byte(s)); err != nil {
return fmt.Errorf("unexpected error: %w. s=%q", err, s)
}
releaseStacklessDeflateWriter(zw, CompressDefaultCompression)
zr, err := acquireFlateReader(&buf)
if err != nil {
return fmt.Errorf("unexpected error: %w. s=%q", err, s)
}
body, err := io.ReadAll(zr)
if err != nil {
return fmt.Errorf("unexpected error: %w. s=%q", err, s)
}
if string(body) != s {
return fmt.Errorf("unexpected string after decompression: %q. Expecting %q", body, s)
}
releaseFlateReader(zr)
return nil
}
func testConcurrent(concurrency int, f func() error) error {
ch := make(chan error, concurrency)
for i := 0; i < concurrency; i++ {
go func(idx int) {
err := f()
if err != nil {
ch <- fmt.Errorf("error in goroutine %d: %w", idx, err)
}
ch <- nil
}(i)
}
for i := 0; i < concurrency; i++ {
select {
case err := <-ch:
if err != nil {
return err
}
case <-time.After(time.Second):
return errors.New("timeout")
}
}
return nil
}
|
