Files
crawler-plugin/frontend-vue/tests/task-progress-backoff-config.test.ts
T
huangzd1997 37eabcbb2e task-29: 退避配置项(MaxMs/Factor)
task-progress-config.ts 新增 getTaskPollBackoffMaxMs()(默认 10000,
由 5000 提升)与 getTaskPollBackoffFactor()(默认 2,<1 钳制为 1);
configureTaskPolling 支持 backoffFactor;getTaskPollBackoffMs 改用
base × factor^attempt 计算。

既有 task-086 边界测试中封顶 5000 的快照随新默认更新为 10000。
新增 8 个测试:max/factor 默认、可覆盖、非正钳制、factor 下限、
配置隔离、默认值快照。
2026-08-31 20:14:43 +08:00

73 lines
2.5 KiB
TypeScript

import { test } from 'node:test'
import assert from 'node:assert/strict'
import {
TASK_POLL_BACKOFF_MAX_MS,
TASK_POLL_BACKOFF_FACTOR,
getTaskPollBackoffMaxMs,
getTaskPollBackoffFactor,
configureTaskPolling,
resetTaskPollingConfig,
} from '../src/shared/task-progress-config.ts'
test('test_backoff_max_default', () => {
resetTaskPollingConfig()
assert.equal(getTaskPollBackoffMaxMs(), 10000)
assert.equal(getTaskPollBackoffMaxMs(), TASK_POLL_BACKOFF_MAX_MS)
})
test('test_backoff_factor_default', () => {
resetTaskPollingConfig()
assert.equal(getTaskPollBackoffFactor(), 2)
assert.equal(getTaskPollBackoffFactor(), TASK_POLL_BACKOFF_FACTOR)
})
test('test_backoff_max_override', () => {
resetTaskPollingConfig()
configureTaskPolling({ backoffMaxMs: 8000 })
assert.equal(getTaskPollBackoffMaxMs(), 8000)
resetTaskPollingConfig()
assert.equal(getTaskPollBackoffMaxMs(), 10000, 'reset 后恢复默认')
})
test('test_backoff_max_positive', () => {
resetTaskPollingConfig()
assert.throws(() => configureTaskPolling({ backoffMaxMs: 0 }), /退避上限必须为正数/)
assert.throws(() => configureTaskPolling({ backoffMaxMs: -100 }), /退避上限必须为正数/)
// 拒绝后 getter 仍返回正值,非正配置不可观察
assert.ok(getTaskPollBackoffMaxMs() > 0)
assert.equal(getTaskPollBackoffMaxMs(), TASK_POLL_BACKOFF_MAX_MS)
})
test('test_backoff_factor_min_one', () => {
resetTaskPollingConfig()
// factor <1 钳制为 1(不抛错)
configureTaskPolling({ backoffFactor: 0.5 })
assert.equal(getTaskPollBackoffFactor(), 1)
configureTaskPolling({ backoffFactor: 0 })
assert.equal(getTaskPollBackoffFactor(), 1)
resetTaskPollingConfig()
assert.equal(getTaskPollBackoffFactor(), 2)
})
test('test_backoff_config_isolated', () => {
resetTaskPollingConfig()
configureTaskPolling({ backoffMaxMs: 7000, backoffFactor: 3 })
assert.equal(getTaskPollBackoffMaxMs(), 7000)
assert.equal(getTaskPollBackoffFactor(), 3)
resetTaskPollingConfig()
assert.equal(getTaskPollBackoffMaxMs(), 10000, '不串到其他用例')
assert.equal(getTaskPollBackoffFactor(), 2)
})
test('test_backoff_max_freeze', () => {
resetTaskPollingConfig()
assert.equal(TASK_POLL_BACKOFF_MAX_MS, 10000, '默认值快照')
assert.equal(getTaskPollBackoffMaxMs(), TASK_POLL_BACKOFF_MAX_MS)
})
test('test_backoff_factor_freeze', () => {
resetTaskPollingConfig()
assert.equal(TASK_POLL_BACKOFF_FACTOR, 2, 'factor 快照')
assert.equal(getTaskPollBackoffFactor(), TASK_POLL_BACKOFF_FACTOR)
})