terraform/helper/resource/wait_test.go

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package resource
import (
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"fmt"
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"testing"
"time"
)
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func TestRetry(t *testing.T) {
t.Parallel()
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tries := 0
f := func() error {
tries++
if tries == 1 {
return nil
}
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return fmt.Errorf("error")
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}
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err := Retry(2*time.Second, f)
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if err != nil {
t.Fatalf("err: %s", err)
}
}
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func TestRetry_timeout(t *testing.T) {
t.Parallel()
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f := func() error {
return fmt.Errorf("always")
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}
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err := Retry(1*time.Second, f)
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if err == nil {
t.Fatal("should error")
}
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}
func TestRetry_error(t *testing.T) {
t.Parallel()
expected := fmt.Errorf("nope")
f := func() error {
return RetryError{expected}
}
errCh := make(chan error)
go func() {
errCh <- Retry(1*time.Second, f)
}()
select {
case err := <-errCh:
if err != expected {
t.Fatalf("bad: %#v", err)
}
case <-time.After(5 * time.Second):
t.Fatal("timeout")
}
}