31 lines
1.0 KiB
Plaintext
31 lines
1.0 KiB
Plaintext
import { fullJitter } from './full.jitter';
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describe(`Testing ${fullJitter.name}`, () => {
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const delay = 100;
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function arrayWith5FullJitterDelays() {
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return Array(5).fill(delay).map(fullJitter)
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}
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describe(`when calling #fullJitter on the same delay multiple times`, () => {
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it('all the delays are greater than or equal to 0', () => {
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arrayWith5FullJitterDelays()
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.forEach(value => expect(value).toBeGreaterThanOrEqual(0));
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})
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it('all the delays are less than or equal to the original delay', () => {
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arrayWith5FullJitterDelays()
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.forEach(value => expect(value).toBeLessThanOrEqual(delay));
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})
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it('the delays are not equal to one another', () => {
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const delays = arrayWith5FullJitterDelays();
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expect(new Set(delays).size).not.toBe(1);
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})
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it('the delays are integers', () => {
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arrayWith5FullJitterDelays()
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.forEach(value => expect(Number.isInteger(value)).toBe(true))
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})
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})
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}) |