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Merge pull request #114078 from Karthik-K-N/fix-flake-test

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Fix TestJitterWithNegativeMaxFactor flaky test
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Kubernetes Prow Robot 2023-01-06 05:19:58 -08:00 committed by GitHub
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1 changed files with 9 additions and 5 deletions
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14
staging/src/k8s.io/legacy-cloud-providers/azure/retry/azure_retry_test.go
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@ -80,13 +80,17 @@ func TestJitterWithNegativeMaxFactor(t *testing.T) {
// jitter := duration + time.Duration(rand.Float64()*maxFactor*float64(duration))
// If maxFactor is 0.0 or less than 0.0, a suggested default value will be chosen.
// rand.Float64() returns, as a float64, a pseudo-random number in [0.0,1.0).
duration := time.Duration(time.Second)
duration := time.Second
maxFactor := -3.0
res := jitter(duration, maxFactor)
defaultMaxFactor := 1.0
expected := jitter(duration, defaultMaxFactor)
assert.Equal(t, expected-res >= time.Duration(0.0*float64(duration)), true)
assert.Equal(t, expected-res < time.Duration(1.0*float64(duration)), true)
// jitter with negative maxFactor should not be negative
assert.Equal(t, res >= duration, true)
assert.Equal(t, res <= 2*duration, true)
maxFactor = 2.0
res = jitter(duration, maxFactor)
assert.Equal(t, res >= duration, true)
assert.Equal(t, res <= 3*duration, true)
}
func TestDoExponentialBackoffRetry(t *testing.T) {