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echo/middleware/compress_test.go
2018-02-25 13:42:58 -08:00

102 lines
2.7 KiB
Go

package middleware
import (
"bytes"
"compress/gzip"
"io/ioutil"
"net/http"
"net/http/httptest"
"testing"
"github.com/labstack/echo"
"github.com/stretchr/testify/assert"
)
func TestGzip(t *testing.T) {
e := echo.New()
req := httptest.NewRequest(echo.GET, "/", nil)
rec := httptest.NewRecorder()
c := e.NewContext(req, rec)
// Skip if no Accept-Encoding header
h := Gzip()(func(c echo.Context) error {
c.Response().Write([]byte("test")) // For Content-Type sniffing
return nil
})
h(c)
assert.Equal(t, "test", rec.Body.String())
// Gzip
req = httptest.NewRequest(echo.GET, "/", nil)
req.Header.Set(echo.HeaderAcceptEncoding, gzipScheme)
rec = httptest.NewRecorder()
c = e.NewContext(req, rec)
h(c)
assert.Equal(t, gzipScheme, rec.Header().Get(echo.HeaderContentEncoding))
assert.Contains(t, rec.Header().Get(echo.HeaderContentType), echo.MIMETextPlain)
r, err := gzip.NewReader(rec.Body)
if assert.NoError(t, err) {
buf := new(bytes.Buffer)
defer r.Close()
buf.ReadFrom(r)
assert.Equal(t, "test", buf.String())
}
}
func TestGzipNoContent(t *testing.T) {
e := echo.New()
req := httptest.NewRequest(echo.GET, "/", nil)
req.Header.Set(echo.HeaderAcceptEncoding, gzipScheme)
rec := httptest.NewRecorder()
c := e.NewContext(req, rec)
h := Gzip()(func(c echo.Context) error {
return c.NoContent(http.StatusNoContent)
})
if assert.NoError(t, h(c)) {
assert.Empty(t, rec.Header().Get(echo.HeaderContentEncoding))
assert.Empty(t, rec.Header().Get(echo.HeaderContentType))
assert.Equal(t, 0, len(rec.Body.Bytes()))
}
}
func TestGzipErrorReturned(t *testing.T) {
e := echo.New()
e.Use(Gzip())
e.GET("/", func(c echo.Context) error {
return echo.ErrNotFound
})
req := httptest.NewRequest(echo.GET, "/", nil)
req.Header.Set(echo.HeaderAcceptEncoding, gzipScheme)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, http.StatusNotFound, rec.Code)
assert.Empty(t, rec.Header().Get(echo.HeaderContentEncoding))
}
// Issue #806
func TestGzipWithStatic(t *testing.T) {
e := echo.New()
e.Use(Gzip())
e.Static("/test", "../_fixture/images")
req := httptest.NewRequest(echo.GET, "/test/walle.png", nil)
req.Header.Set(echo.HeaderAcceptEncoding, gzipScheme)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, http.StatusOK, rec.Code)
// Data is written out in chunks when Content-Length == "", so only
// validate the content length if it's not set.
if cl := rec.Header().Get("Content-Length"); cl != "" {
assert.Equal(t, cl, rec.Body.Len())
}
r, err := gzip.NewReader(rec.Body)
if assert.NoError(t, err) {
defer r.Close()
want, err := ioutil.ReadFile("../_fixture/images/walle.png")
if assert.NoError(t, err) {
buf := new(bytes.Buffer)
buf.ReadFrom(r)
assert.Equal(t, want, buf.Bytes())
}
}
}