consul/testutil/wait.go

package testutil

import (
	"time"
)

type testFn func() (bool, error)
type errorFn func(error)

func WaitForResult(test testFn, error errorFn) {
	retries := 500  // 5 seconds timeout

	for retries > 0 {
		time.Sleep(10 * time.Millisecond)
		retries--

		success, err := test()
		if success {
			return
		}

		if retries == 0 {
			error(err)
		}
	}
}