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f0634fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | /**
* defaultRefreshThreshold — three boundary cases.
*
* Formula (oauth-manager.ts:39-44):
* threshold = max(MIN_REFRESH_THRESHOLD_SECONDS, expiresIn * 0.5)
* where MIN_REFRESH_THRESHOLD_SECONDS = 300 and 0 / negative expiresIn
* fall back to MIN (the implementation short-circuits on `> 0`).
*/
import { describe, expect, it } from 'vitest';
import { defaultRefreshThreshold } from '../src/oauth-manager';
describe('defaultRefreshThreshold — boundary cases', () => {
it('returns expiresIn * 0.5 when ratio exceeds the 300s minimum (expiresIn=1800 → 900)', () => {
// 1800 * 0.5 = 900 > 300.
expect(defaultRefreshThreshold(1800)).toBe(900);
});
it('clamps to the 300s minimum when expiresIn * 0.5 falls below (expiresIn=500 → 300)', () => {
// 500 * 0.5 = 250 < 300, so the floor wins.
expect(defaultRefreshThreshold(500)).toBe(300);
});
it('falls back to the 300s minimum when expiresIn is 0 (expiresIn=0 → 300)', () => {
// A pathological token with no lifetime still refreshes on a fixed
// cadence; never produces a zero threshold.
expect(defaultRefreshThreshold(0)).toBe(300);
});
});
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