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package compresshttp_test
import (
"bytes"
"context"
"io"
"net/http"
"net/http/httptest"
"testing"
"time"
"github.com/sassoftware/relic/v7/lib/compresshttp"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestCompress(t *testing.T) {
h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/fail" {
http.NotFound(w, r)
return
}
rbody, err := io.ReadAll(r.Body)
if assert.NoError(t, err) {
assert.Len(t, rbody, 8192)
}
// write 16384 bytes in two chunks with a flush in between
d := make([]byte, 8192)
_, err = w.Write(d)
require.NoError(t, err)
w.(http.Flusher).Flush()
_, err = w.Write(d)
require.NoError(t, err)
})
srv := httptest.NewServer(compresshttp.Middleware(h))
defer srv.Close()
for _, ae := range []string{"", "identity", "gzip", "x-snappy-framed"} {
t.Run("Accept_"+ae, func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
d := make([]byte, 8192)
req, err := http.NewRequestWithContext(ctx, http.MethodPost, srv.URL, bytes.NewReader(d))
require.NoError(t, err)
require.NoError(t, compresshttp.CompressRequest(req, ae))
if ae != "" {
req.Header.Set("Accept-Encoding", ae)
}
resp, err := http.DefaultClient.Do(req)
require.NoError(t, err)
assert.Equal(t, http.StatusOK, resp.StatusCode)
if ae == "identity" {
assert.Empty(t, resp.Header.Get("Content-Encoding"))
} else {
assert.Equal(t, ae, resp.Header.Get("Content-Encoding"))
}
require.NoError(t, compresshttp.DecompressResponse(resp))
body, err := io.ReadAll(resp.Body)
require.NoError(t, err)
assert.Len(t, body, 16384)
assert.Equal(t, compresshttp.AcceptedEncodings, resp.Header.Get("Accept-Encoding"))
})
}
t.Run("Error", func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
d := make([]byte, 8192)
req, err := http.NewRequestWithContext(ctx, http.MethodPost, srv.URL+"/fail", bytes.NewReader(d))
require.NoError(t, err)
require.NoError(t, compresshttp.CompressRequest(req, compresshttp.EncodingSnappy))
req.Header.Set("Accept-Encoding", compresshttp.AcceptedEncodings)
resp, err := http.DefaultClient.Do(req)
require.NoError(t, err)
assert.Equal(t, http.StatusNotFound, resp.StatusCode)
assert.Empty(t, resp.Header.Get("Content-Encoding"))
require.NoError(t, compresshttp.DecompressResponse(resp))
body, err := io.ReadAll(resp.Body)
require.NoError(t, err)
assert.Contains(t, string(body), "not found")
})
t.Run("Unsupported", func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
d := make([]byte, 8192)
req, err := http.NewRequestWithContext(ctx, http.MethodPost, srv.URL, bytes.NewReader(d))
require.NoError(t, err)
req.Header.Set("Content-Encoding", "spam")
resp, err := http.DefaultClient.Do(req)
require.NoError(t, err)
assert.Equal(t, http.StatusUnsupportedMediaType, resp.StatusCode)
assert.Equal(t, compresshttp.AcceptedEncodings, resp.Header.Get("Accept-Encoding"))
})
}
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