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package httptoo
import (
"compress/gzip"
"io/ioutil"
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
const helloWorld = "hello, world\n"
func helloWorldHandler(w http.ResponseWriter, r *http.Request) {
// w.Header().Set("Content-Length", strconv.FormatInt(int64(len(helloWorld)), 10))
w.Write([]byte(helloWorld))
}
func requestResponse(h http.Handler, r *http.Request) (*http.Response, error) {
s := httptest.NewServer(h)
defer s.Close()
return http.DefaultClient.Do(r)
}
func TestGzipHandler(t *testing.T) {
rr := httptest.NewRecorder()
helloWorldHandler(rr, nil)
assert.EqualValues(t, helloWorld, rr.Body.String())
rr = httptest.NewRecorder()
GzipHandler(http.HandlerFunc(helloWorldHandler)).ServeHTTP(rr, new(http.Request))
assert.EqualValues(t, helloWorld, rr.Body.String())
rr = httptest.NewRecorder()
r, err := http.NewRequest("GET", "/", nil)
require.NoError(t, err)
r.Header.Set("Accept-Encoding", "gzip")
GzipHandler(http.HandlerFunc(helloWorldHandler)).ServeHTTP(rr, r)
gr, err := gzip.NewReader(rr.Body)
require.NoError(t, err)
defer gr.Close()
b, err := ioutil.ReadAll(gr)
require.NoError(t, err)
assert.EqualValues(t, helloWorld, b)
s := httptest.NewServer(nil)
s.Config.Handler = GzipHandler(http.HandlerFunc(helloWorldHandler))
req, err := http.NewRequest("GET", s.URL, nil)
req.Header.Set("Accept-Encoding", "gzip")
resp, err := http.DefaultClient.Do(req)
require.NoError(t, err)
gr.Close()
gr, err = gzip.NewReader(resp.Body)
require.NoError(t, err)
defer gr.Close()
b, err = ioutil.ReadAll(gr)
require.NoError(t, err)
assert.EqualValues(t, helloWorld, b)
assert.EqualValues(t, "text/plain; charset=utf-8", resp.Header.Get("Content-Type"))
assert.EqualValues(t, "gzip", resp.Header.Get("Content-Encoding"))
}
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