hanayo/vendor/github.com/johnniedoe/contrib/gzip/gzip_test.go

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2019-02-23 13:29:15 +00:00
package gzip
import (
"compress/gzip"
"io/ioutil"
"net/http"
"net/http/httptest"
"strconv"
"testing"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/assert"
)
const (
testResponse = "Gzip Test Response "
)
func newServer() *gin.Engine {
router := gin.Default()
router.Use(Gzip(DefaultCompression))
router.GET("/", func(c *gin.Context) {
c.Header("Content-Length", strconv.Itoa(len(testResponse)))
c.String(200, testResponse)
})
return router
}
func TestGzip(t *testing.T) {
req, _ := http.NewRequest("GET", "/", nil)
req.Header.Add("Accept-Encoding", "gzip")
w := httptest.NewRecorder()
r := newServer()
r.ServeHTTP(w, req)
assert.Equal(t, w.Code, 200)
assert.Equal(t, w.Header().Get("Content-Encoding"), "gzip")
assert.Equal(t, w.Header().Get("Vary"), "Accept-Encoding")
assert.Equal(t, w.Header().Get("Content-Length"), "")
assert.NotEqual(t, w.Body.Len(), 19)
gr, err := gzip.NewReader(w.Body)
assert.NoError(t, err)
defer gr.Close()
body, _ := ioutil.ReadAll(gr)
assert.Equal(t, string(body), testResponse)
}
func TestGzipPNG(t *testing.T) {
req, _ := http.NewRequest("GET", "/image.png", nil)
req.Header.Add("Accept-Encoding", "gzip")
router := gin.New()
router.Use(Gzip(DefaultCompression))
router.GET("/image.png", func(c *gin.Context) {
c.String(200, "this is a PNG!")
})
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
assert.Equal(t, w.Code, 200)
assert.Equal(t, w.Header().Get("Content-Encoding"), "")
assert.Equal(t, w.Header().Get("Vary"), "")
assert.Equal(t, w.Body.String(), "this is a PNG!")
}
func TestNoGzip(t *testing.T) {
req, _ := http.NewRequest("GET", "/", nil)
w := httptest.NewRecorder()
r := newServer()
r.ServeHTTP(w, req)
assert.Equal(t, w.Code, 200)
assert.Equal(t, w.Header().Get("Content-Encoding"), "")
assert.Equal(t, w.Header().Get("Content-Length"), "19")
assert.Equal(t, w.Body.String(), testResponse)
}