micro/client/backoff_test.go

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package client
import (
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"context"
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"math"
"testing"
"time"
)
func TestBackoff(t *testing.T) {
delta := time.Duration(0)
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c := NewClient()
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for i := 0; i < 5; i++ {
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d, err := exponentialBackoff(context.TODO(), c.NewRequest("test", "test", nil), i)
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if err != nil {
t.Fatal(err)
}
if d < delta {
t.Fatalf("Expected greater than %v, got %v", delta, d)
}
delta = time.Millisecond * 100 * time.Duration(math.Pow(math.E, float64(i)))
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}
}