[#594] Fix unmarshal cors: expected element in name space error

Signed-off-by: Pavel Pogodaev <p.pogodaev@yadro.com>

api/handler/cors_test.go

@@ -19,7 +19,14 @@ func TestCORSOriginWildcard(t *testing.T) {
 	</CORSRule>
 </CORSConfiguration>
 `
-	hc := prepareHandlerContext(t)
+	bodyNoXmlns := `
+<CORSConfiguration>
+	<CORSRule>
+		<AllowedMethod>GET</AllowedMethod>
+		<AllowedOrigin>*</AllowedOrigin>
+	</CORSRule>
+</CORSConfiguration>`
+	hc := prepareHandlerContextWithMinCache(t)
 
 	bktName := "bucket-for-cors"
 	box, _ := createAccessBox(t)
@@ -39,6 +46,17 @@ func TestCORSOriginWildcard(t *testing.T) {
 	w, r = prepareTestPayloadRequest(hc, bktName, "", nil)
 	hc.Handler().GetBucketCorsHandler(w, r)
 	assertStatus(t, w, http.StatusOK)
+
+	hc.config.useDefaultXMLNS = true
+	w, r = prepareTestPayloadRequest(hc, bktName, "", strings.NewReader(bodyNoXmlns))
+	ctx = middleware.SetBox(r.Context(), &middleware.Box{AccessBox: box})
+	r = r.WithContext(ctx)
+	hc.Handler().PutBucketCorsHandler(w, r)
+	assertStatus(t, w, http.StatusOK)
+
+	w, r = prepareTestPayloadRequest(hc, bktName, "", nil)
+	hc.Handler().GetBucketCorsHandler(w, r)
+	assertStatus(t, w, http.StatusOK)
 }
 
 func TestPreflight(t *testing.T) {