fix test and description
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@ -8,7 +8,7 @@ import (
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type BackoffFunc func(ctx context.Context, req Request, attempts int) (time.Duration, error)
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// exponential backoff multiplied by a factor of 0.1 second.
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// exponential backoff is a function x^e multiplied by a factor of 0.1 second.
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func exponentialBackoff(ctx context.Context, req Request, attempts int) (time.Duration, error) {
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return time.Duration(math.Pow(float64(attempts), math.E)) * time.Millisecond * 100, nil
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}
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@ -2,13 +2,12 @@ package client
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import (
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"context"
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"math"
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"testing"
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"time"
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)
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func TestBackoff(t *testing.T) {
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delta := time.Duration(0)
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results := []time.Duration{0 * time.Second, 100 * time.Millisecond, 600 * time.Millisecond, 1900 * time.Millisecond, 4300 * time.Millisecond, 7900 * time.Millisecond}
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c := NewClient()
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@ -18,10 +17,8 @@ func TestBackoff(t *testing.T) {
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t.Fatal(err)
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}
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if d < delta {
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t.Fatalf("Expected greater than %v, got %v", delta, d)
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if d != results[i] {
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t.Fatalf("Expected equal than %v, got %v", results[i], d)
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}
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delta = time.Millisecond * 100 * time.Duration(math.Pow(math.E, float64(i)))
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}
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}
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