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package memberlist
import (
"testing"
"time"
)
func TestAwareness(t *testing.T) {
cases := []struct {
delta int
score int
timeout time.Duration
}{
{0, 0, 1 * time.Second},
{-1, 0, 1 * time.Second},
{-10, 0, 1 * time.Second},
{1, 1, 2 * time.Second},
{-1, 0, 1 * time.Second},
{10, 7, 8 * time.Second},
{-1, 6, 7 * time.Second},
{-1, 5, 6 * time.Second},
{-1, 4, 5 * time.Second},
{-1, 3, 4 * time.Second},
{-1, 2, 3 * time.Second},
{-1, 1, 2 * time.Second},
{-1, 0, 1 * time.Second},
{-1, 0, 1 * time.Second},
}
a := newAwareness(8)
for i, c := range cases {
a.ApplyDelta(c.delta)
if a.GetHealthScore() != c.score {
t.Errorf("case %d: score mismatch %d != %d", i, a.score, c.score)
}
if timeout := a.ScaleTimeout(1 * time.Second); timeout != c.timeout {
t.Errorf("case %d: scaled timeout mismatch %9.6f != %9.6f",
i, timeout.Seconds(), c.timeout.Seconds())
}
}
}
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