go.ligato.io/vpp-agent/v3@v3.5.0/tests/integration/vpp/utils.go (about)

     1  //  Copyright (c) 2020 Cisco and/or its affiliates.
     2  //
     3  //  Licensed under the Apache License, Version 2.0 (the "License");
     4  //  you may not use this file except in compliance with the License.
     5  //  You may obtain a copy of the License at:
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  //  Unless required by applicable law or agreed to in writing, software
    10  //  distributed under the License is distributed on an "AS IS" BASIS,
    11  //  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  //  See the License for the specific language governing permissions and
    13  //  limitations under the License.
    14  
    15  package vpp
    16  
    17  import (
    18  	"encoding/json"
    19  	"unicode"
    20  
    21  	"github.com/onsi/gomega"
    22  	"github.com/onsi/gomega/types"
    23  )
    24  
    25  func BePrintable() types.GomegaMatcher {
    26  	return gomega.WithTransform(func(s string) bool {
    27  		return isAsciiPrintable(s)
    28  	}, gomega.BeTrue())
    29  }
    30  
    31  func isAsciiPrintable(s string) bool {
    32  	for _, r := range s {
    33  		if r > unicode.MaxASCII || !unicode.IsPrint(r) {
    34  			return false
    35  		}
    36  	}
    37  	return true
    38  }
    39  
    40  func pretty(v interface{}) string {
    41  	b, err := json.MarshalIndent(v, "", "  ")
    42  	if err != nil {
    43  		return err.Error()
    44  	}
    45  	return string(b)
    46  }