package gziphttp

import (
	"fmt"
	"io/ioutil"
	"net/http"
	"net/http/httptest"
	"testing"
)

func TestGZipResponseWriter(t *testing.T) {
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		gz := New(w)
		defer gz.Close()
		fmt.Fprintln(gz, "Hello world")
	}))
	defer s.Close()

	req := httptest.NewRequest("GET", s.URL, nil)
	req.RequestURI = ""
	resp, err := http.DefaultClient.Do(req)
	if err != nil {
		t.Fatal(err)
	}
	defer resp.Body.Close()
	if resp.StatusCode != http.StatusOK {
		t.Fatal(resp.StatusCode)
	}
	if b, err := ioutil.ReadAll(resp.Body); err != nil {
		t.Fatal(err)
	} else if s := string(b); s != "Hello world\n" {
		t.Fatalf("%q", s)
	}
}