improve coding style by go-staticcheck

openapi/library_test.go

@@ -18,21 +18,9 @@ import (
 	"github.com/stretchr/testify/assert"
 
 	"bytes"
-	"fmt"
 	"testing"
 )
 
-type reader_test struct {
-	content string
-}
-
-func (r *reader_test) ReadFrom(path string) ([]byte, error) {
-	if path == "" || r.content == "" {
-		return nil, fmt.Errorf("Please insert a valid path.")
-	}
-	return []byte(r.content), nil
-}
-
 func TestLibrary_PrintProducts(t *testing.T) {
 	w := new(bytes.Buffer)
 	library := NewLibrary(w, "en")

openapi/restful.go

@@ -4,7 +4,7 @@
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//     http://www.apache.org/licenses/LICENSE-2.0
+//	http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,

openapi/waiter.go

@@ -4,7 +4,7 @@
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//     http://www.apache.org/licenses/LICENSE-2.0
+//	http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ -104,7 +104,7 @@ func (a *Waiter) CallWith(invoker Invoker) (string, error) {
 		if v == a.to {
 			return resp.GetHttpContentString(), nil
 		}
-		duration := time.Now().Sub(begin)
+		duration := time.Since(begin)
 		if duration > timeout {
 			return "", fmt.Errorf("wait '%s' to '%s' timeout(%dseconds), last='%s'",
 				a.expr, a.to, timeout/time.Second, v)