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