open-nomad/api/internal/testutil/wait.go

75 lines
1.4 KiB
Go

package testutil
import (
"os"
"time"
)
type testFn func() (bool, error)
type errorFn func(error)
func WaitForResult(test testFn, error errorFn) {
WaitForResultRetries(500*TestMultiplier(), test, error)
}
func WaitForResultRetries(retries int64, test testFn, error errorFn) {
for retries > 0 {
time.Sleep(10 * time.Millisecond)
retries--
success, err := test()
if success {
return
}
if retries == 0 {
error(err)
}
}
}
// AssertUntil asserts the test function passes throughout the given duration.
// Otherwise error is called on failure.
func AssertUntil(until time.Duration, test testFn, error errorFn) {
deadline := time.Now().Add(until)
for time.Now().Before(deadline) {
success, err := test()
if !success {
error(err)
return
}
// Sleep some arbitrary fraction of the deadline
time.Sleep(until / 30)
}
}
// TestMultiplier returns a multiplier for retries and waits given environment
// the tests are being run under.
func TestMultiplier() int64 {
if IsCI() {
return 4
}
return 1
}
// Timeout takes the desired timeout and increases it if running in Travis
func Timeout(original time.Duration) time.Duration {
return original * time.Duration(TestMultiplier())
}
func IsCI() bool {
_, ok := os.LookupEnv("CI")
return ok
}
func IsTravis() bool {
_, ok := os.LookupEnv("TRAVIS")
return ok
}
func IsAppVeyor() bool {
_, ok := os.LookupEnv("APPVEYOR")
return ok
}