39 lines
1.6 KiB
TypeScript
39 lines
1.6 KiB
TypeScript
import { describe, expect, test } from 'vitest';
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import {
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isRetryableSegmentStatus,
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resolveSegmentStatusRetryDelayMs,
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shouldDeferSegmentRetry,
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} from '../../src/lib/client/tts/segment-retry-policy';
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describe('tts segment retry policy', () => {
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test('marks pending/error statuses as retryable', () => {
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expect(isRetryableSegmentStatus('pending')).toBe(true);
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expect(isRetryableSegmentStatus('error')).toBe(true);
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expect(isRetryableSegmentStatus('completed')).toBe(false);
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expect(isRetryableSegmentStatus('missing')).toBe(false);
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expect(isRetryableSegmentStatus(null)).toBe(false);
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});
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test('uses exponential backoff when retry-after hint is missing', () => {
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expect(resolveSegmentStatusRetryDelayMs({ attempt: 0 })).toBe(400);
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expect(resolveSegmentStatusRetryDelayMs({ attempt: 1 })).toBe(800);
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expect(resolveSegmentStatusRetryDelayMs({ attempt: 2 })).toBe(1600);
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});
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test('caps delay by max delay', () => {
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expect(resolveSegmentStatusRetryDelayMs({ attempt: 10 })).toBe(5000);
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});
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test('honors retry-after hint when present', () => {
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expect(resolveSegmentStatusRetryDelayMs({ attempt: 0, retryAfterSeconds: 2 })).toBe(2000);
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expect(resolveSegmentStatusRetryDelayMs({ attempt: 0, retryAfterSeconds: 0.1 })).toBe(400);
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expect(resolveSegmentStatusRetryDelayMs({ attempt: 0, retryAfterSeconds: 99 })).toBe(5000);
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});
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test('defers retries while cooldown is active', () => {
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expect(shouldDeferSegmentRetry(1000, 1001)).toBe(true);
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expect(shouldDeferSegmentRetry(1000, 999)).toBe(false);
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expect(shouldDeferSegmentRetry(1000, undefined)).toBe(false);
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});
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});
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