huangzd1997
9e224929fb
getTaskPollBackoffMs 签名改为 attempt 可选（省略视为 0，向后兼容）， 序列 500×factor^attempt、封顶 maxMs 行为由任务 29 的 factor 配置驱动。 新增 8 个测试：attempt0/1/2 值、序列单调、封顶、省略参数默认、 负 attempt 当 0、自定义 factor。
61 lines
1.8 KiB
TypeScript
61 lines
1.8 KiB
TypeScript
import { test } from 'node:test'
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import assert from 'node:assert/strict'
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import {
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getTaskPollBackoffMs,
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configureTaskPolling,
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resetTaskPollingConfig,
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} from '../src/shared/task-progress-config.ts'
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test('test_backoff_attempt0_500', () => {
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resetTaskPollingConfig()
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assert.equal(getTaskPollBackoffMs(0), 500)
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})
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test('test_backoff_attempt1_1000', () => {
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resetTaskPollingConfig()
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assert.equal(getTaskPollBackoffMs(1), 1000)
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})
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test('test_backoff_attempt2_2000', () => {
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resetTaskPollingConfig()
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assert.equal(getTaskPollBackoffMs(2), 2000)
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})
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test('test_backoff_sequence_monotonic', () => {
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resetTaskPollingConfig()
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const sequence = [0, 1, 2, 3, 4, 5].map((n) => getTaskPollBackoffMs(n))
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assert.deepEqual(sequence, [500, 1000, 2000, 4000, 8000, 10000])
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for (let i = 1; i < sequence.length; i++) {
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assert.ok(sequence[i] >= sequence[i - 1], '序列单调不减')
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}
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})
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test('test_backoff_capped_at_max', () => {
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resetTaskPollingConfig()
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assert.equal(getTaskPollBackoffMs(5), 10000)
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assert.equal(getTaskPollBackoffMs(10), 10000)
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assert.equal(getTaskPollBackoffMs(50), 10000)
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})
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test('test_backoff_no_attempt_default', () => {
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resetTaskPollingConfig()
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const defaulted = getTaskPollBackoffMs(undefined as never)
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assert.equal(defaulted, 500, '省略参数视为首次退避')
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})
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test('test_backoff_negative_attempt_zero', () => {
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resetTaskPollingConfig()
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assert.equal(getTaskPollBackoffMs(-1), 500)
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assert.equal(getTaskPollBackoffMs(-100), 500)
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})
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test('test_backoff_custom_factor', () => {
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resetTaskPollingConfig()
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configureTaskPolling({ backoffFactor: 3 })
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assert.equal(getTaskPollBackoffMs(0), 500)
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assert.equal(getTaskPollBackoffMs(1), 1500)
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assert.equal(getTaskPollBackoffMs(2), 4500)
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assert.equal(getTaskPollBackoffMs(3), 10000, '超过 max 封顶')
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resetTaskPollingConfig()
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})
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