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// Copied from https://github.com/etcd-io/etcd/blob/main/client/pkg/verify/verify.go
package common
import (
"fmt"
"os"
"strings"
)
const ENV_VERIFY = "BBOLT_VERIFY"
type VerificationType string
const (
ENV_VERIFY_VALUE_ALL VerificationType = "all"
ENV_VERIFY_VALUE_ASSERT VerificationType = "assert"
)
func getEnvVerify() string {
return strings.ToLower(os.Getenv(ENV_VERIFY))
}
func IsVerificationEnabled(verification VerificationType) bool {
env := getEnvVerify()
return env == string(ENV_VERIFY_VALUE_ALL) || env == strings.ToLower(string(verification))
}
// EnableVerifications sets `ENV_VERIFY` and returns a function that
// can be used to bring the original settings.
func EnableVerifications(verification VerificationType) func() {
previousEnv := getEnvVerify()
os.Setenv(ENV_VERIFY, string(verification))
return func() {
os.Setenv(ENV_VERIFY, previousEnv)
}
}
// EnableAllVerifications enables verification and returns a function
// that can be used to bring the original settings.
func EnableAllVerifications() func() {
return EnableVerifications(ENV_VERIFY_VALUE_ALL)
}
// DisableVerifications unsets `ENV_VERIFY` and returns a function that
// can be used to bring the original settings.
func DisableVerifications() func() {
previousEnv := getEnvVerify()
os.Unsetenv(ENV_VERIFY)
return func() {
os.Setenv(ENV_VERIFY, previousEnv)
}
}
// Verify performs verification if the assertions are enabled.
// In the default setup running in tests and skipped in the production code.
func Verify(f func()) {
if IsVerificationEnabled(ENV_VERIFY_VALUE_ASSERT) {
f()
}
}
// Assert will panic with a given formatted message if the given condition is false.
func Assert(condition bool, msg string, v ...any) {
if !condition {
panic(fmt.Sprintf("assertion failed: "+msg, v...))
}
}
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