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package restful
import (
"bytes"
"compress/gzip"
"compress/zlib"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"testing"
)
// go test -v -test.run TestGzip ...restful
func TestGzip(t *testing.T) {
EnableContentEncoding = true
httpRequest, _ := http.NewRequest("GET", "/test", nil)
httpRequest.Header.Set("Accept-Encoding", "gzip,deflate")
httpWriter := httptest.NewRecorder()
wanted, encoding := wantsCompressedResponse(httpRequest, httpWriter)
if !wanted {
t.Fatal("should accept gzip")
}
if encoding != "gzip" {
t.Fatal("expected gzip")
}
c, err := NewCompressingResponseWriter(httpWriter, encoding)
if err != nil {
t.Fatal(err.Error())
}
c.Write([]byte("Hello World"))
c.Close()
if httpWriter.Header().Get("Content-Encoding") != "gzip" {
t.Fatal("Missing gzip header")
}
reader, err := gzip.NewReader(httpWriter.Body)
if err != nil {
t.Fatal(err.Error())
}
data, err := ioutil.ReadAll(reader)
if err != nil {
t.Fatal(err.Error())
}
if got, want := string(data), "Hello World"; got != want {
t.Errorf("got %v want %v", got, want)
}
}
func TestDeflate(t *testing.T) {
EnableContentEncoding = true
httpRequest, _ := http.NewRequest("GET", "/test", nil)
httpRequest.Header.Set("Accept-Encoding", "deflate,gzip")
httpWriter := httptest.NewRecorder()
wanted, encoding := wantsCompressedResponse(httpRequest, httpWriter)
if !wanted {
t.Fatal("should accept deflate")
}
if encoding != "deflate" {
t.Fatal("expected deflate")
}
c, err := NewCompressingResponseWriter(httpWriter, encoding)
if err != nil {
t.Fatal(err.Error())
}
c.Write([]byte("Hello World"))
c.Close()
if httpWriter.Header().Get("Content-Encoding") != "deflate" {
t.Fatal("Missing deflate header")
}
reader, err := zlib.NewReader(httpWriter.Body)
if err != nil {
t.Fatal(err.Error())
}
data, err := ioutil.ReadAll(reader)
if err != nil {
t.Fatal(err.Error())
}
if got, want := string(data), "Hello World"; got != want {
t.Errorf("got %v want %v", got, want)
}
}
func TestGzipDecompressRequestBody(t *testing.T) {
b := new(bytes.Buffer)
w := newGzipWriter()
w.Reset(b)
io.WriteString(w, `{"msg":"hi"}`)
w.Flush()
w.Close()
req := new(Request)
httpRequest, _ := http.NewRequest("GET", "/", bytes.NewReader(b.Bytes()))
httpRequest.Header.Set("Content-Type", "application/json")
httpRequest.Header.Set("Content-Encoding", "gzip")
req.Request = httpRequest
doc := make(map[string]interface{})
req.ReadEntity(&doc)
if got, want := doc["msg"], "hi"; got != want {
t.Errorf("got %v want %v", got, want)
}
}
func TestZlibDecompressRequestBody(t *testing.T) {
b := new(bytes.Buffer)
w := newZlibWriter()
w.Reset(b)
io.WriteString(w, `{"msg":"hi"}`)
w.Flush()
w.Close()
req := new(Request)
httpRequest, _ := http.NewRequest("GET", "/", bytes.NewReader(b.Bytes()))
httpRequest.Header.Set("Content-Type", "application/json")
httpRequest.Header.Set("Content-Encoding", "deflate")
req.Request = httpRequest
doc := make(map[string]interface{})
req.ReadEntity(&doc)
if got, want := doc["msg"], "hi"; got != want {
t.Errorf("got %v want %v", got, want)
}
}
func TestNoDuplicateCompressedResponse(t *testing.T) {
EnableContentEncoding = true
httpRequest, _ := http.NewRequest("GET", "/test", nil)
httpRequest.Header.Set("Accept-Encoding", "deflate,gzip")
httpWriter := httptest.NewRecorder()
httpWriter.HeaderMap.Set("content-encoding", "gzip")
do, _ := wantsCompressedResponse(httpRequest, httpWriter)
if do {
t.Fail()
}
}
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