agola/internal/testutil/env.go

59 lines
1.5 KiB
Go

// Copyright 2019 Sorint.lab
//
// Licensed under the Apache License, Version 2.0 (the "License");
// 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
// See the License for the specific language governing permissions and
// limitations under the License.
package testutil
import (
"bufio"
"fmt"
"io"
"strings"
"unicode"
)
func ParseEnv(envvar string) (string, string, error) {
// trim white spaces at the start
envvar = strings.TrimLeftFunc(envvar, unicode.IsSpace)
arr := strings.SplitN(envvar, "=", 2)
if len(arr) == 0 {
return "", "", fmt.Errorf("invalid environment variable definition: %s", envvar)
}
varname := arr[0]
if varname == "" {
return "", "", fmt.Errorf("invalid environment variable definition: %s", envvar)
}
if len(arr) == 1 {
return varname, "", nil
}
return varname, arr[1], nil
}
func ParseEnvs(r io.Reader) (map[string]string, error) {
envs := map[string]string{}
scanner := bufio.NewScanner(r)
for scanner.Scan() {
envname, envvalue, err := ParseEnv(scanner.Text())
if err != nil {
return nil, err
}
envs[envname] = envvalue
}
if err := scanner.Err(); err != nil {
return nil, err
}
return envs, nil
}