open-consul/lib/cluster_test.go

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package lib
import (
"testing"
"time"
)
func TestRandomStagger(t *testing.T) {
intv := time.Minute
for i := 0; i < 10; i++ {
stagger := RandomStagger(intv)
if stagger < 0 || stagger >= intv {
t.Fatalf("Bad: %v", stagger)
}
}
}
func TestRateScaledInterval(t *testing.T) {
min := 1 * time.Second
rate := 200.0
if v := RateScaledInterval(rate, min, 0); v != min {
t.Fatalf("Bad: %v", v)
}
if v := RateScaledInterval(rate, min, 100); v != min {
t.Fatalf("Bad: %v", v)
}
if v := RateScaledInterval(rate, min, 200); v != 1*time.Second {
t.Fatalf("Bad: %v", v)
}
if v := RateScaledInterval(rate, min, 1000); v != 5*time.Second {
t.Fatalf("Bad: %v", v)
}
if v := RateScaledInterval(rate, min, 5000); v != 25*time.Second {
t.Fatalf("Bad: %v", v)
}
if v := RateScaledInterval(rate, min, 10000); v != 50*time.Second {
t.Fatalf("Bad: %v", v)
}
}