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durationAssertion.go
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durationAssertion.go
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package arg
import (
"fmt"
"time"
"github.com/Bofry/arg/internal"
)
var (
_DurationAssertion = DurationAssertion("")
_ DurationValidator = _DurationAssertion.NonNegative
_ DurationValidator = _DurationAssertion.NonZero
)
type DurationAssertion string
func (DurationAssertion) Assert(v time.Duration, name string, validators ...DurationValidator) error {
for _, validate := range validators {
if err := validate(v, name); err != nil {
return err
}
}
return nil
}
func (DurationAssertion) Assertor(v time.Duration, name string) *DurationAssertor {
return &DurationAssertor{v, name}
}
func (DurationAssertion) NonNegative(v time.Duration, name string) error {
if v < 0 {
return &InvalidArgumentError{
Name: name,
Reason: internal.ERR_NON_NEGATIVE_DURATION,
}
}
return nil
}
func (DurationAssertion) NonZero(v time.Duration, name string) error {
if v == 0 {
return &InvalidArgumentError{
Name: name,
Reason: internal.ERR_NON_ZERO,
}
}
return nil
}
func (DurationAssertion) Must(fn DurationPredicate) DurationValidator {
return func(v time.Duration, name string) error {
if !fn(v) {
return &InvalidArgumentError{
Name: name,
Reason: fmt.Sprintf(internal.ERR_INVALID_DURATION, v),
}
}
return nil
}
}
func (DurationAssertion) LessOrEqual(boundary time.Duration) DurationValidator {
return func(v time.Duration, name string) error {
if boundary < v {
return &InvalidArgumentError{
Name: name,
Reason: internal.ERR_OUT_OF_RANGE,
}
}
return nil
}
}
func (DurationAssertion) LessOrEqualByString(durationBoundary string) DurationValidator {
v, err := time.ParseDuration(durationBoundary)
if err != nil {
panic(err)
}
return _DurationAssertion.LessOrEqual(v)
}
func (DurationAssertion) GreaterOrEqual(boundary time.Duration) DurationValidator {
return func(v time.Duration, name string) error {
if boundary > v {
return &InvalidArgumentError{
Name: name,
Reason: internal.ERR_OUT_OF_RANGE,
}
}
return nil
}
}
func (DurationAssertion) GreaterOrEqualByString(durationBoundary string) DurationValidator {
v, err := time.ParseDuration(durationBoundary)
if err != nil {
panic(err)
}
return _DurationAssertion.GreaterOrEqual(v)
}
// BetweenRange checks if given time.Duration is between the specified minimum and maximum values (both inclusive).
func (DurationAssertion) BetweenRange(min, max time.Duration) DurationValidator {
return func(v time.Duration, name string) error {
if min > v || v > max {
return &InvalidArgumentError{
Name: name,
Reason: internal.ERR_OUT_OF_RANGE,
}
}
return nil
}
}
// BetweenRange checks if given time.Duration is between the specified minimum and maximum values (both inclusive).
func (DurationAssertion) BetweenRangeByString(min, max string) DurationValidator {
lbound, err := time.ParseDuration(min)
if err != nil {
panic(err)
}
ubound, err := time.ParseDuration(max)
if err != nil {
panic(err)
}
return _DurationAssertion.BetweenRange(lbound, ubound)
}