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truewhile
93 lines
3.1 KiB
TypeScript
93 lines
3.1 KiB
TypeScript
import {
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DEFAULT_LIBRARY_LIST_SORT_FIELD,
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DEFAULT_LIBRARY_LIST_SORT_ORDER,
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readLibraryListSort,
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sortLibrariesByField,
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sortLibraryPreviewsByField,
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} from './libraryListSort.ts'
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import type { Library } from '../types/index.ts'
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function check(name: string, condition: boolean) {
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if (!condition) throw new Error(`libraryListSort: ${name}`)
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}
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function lib(id: string, name: string, sortOrder = 0): Library {
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return { id, name, sort_order: sortOrder } as Library
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}
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const ordered = (libs: Library[]) => libs.map((item) => item.id).join(',')
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// 首页默认就是「库名倒序」，所以没写过偏好时要拿到 name/desc。
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const fallback = readLibraryListSort()
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check(
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'default preference is name descending',
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fallback.field === 'name' && fallback.order === 'desc',
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)
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check(
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'default constants stay in sync with the fallback',
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DEFAULT_LIBRARY_LIST_SORT_FIELD === 'name' && DEFAULT_LIBRARY_LIST_SORT_ORDER === 'desc',
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)
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const alpha = [lib('a', '动画'), lib('b', '电影'), lib('c', '纪录片')]
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// zh-CN 拼音升序是 电影(b) → 动画(a) → 纪录片(c)。
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check(
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'name descending is the default order',
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ordered(sortLibrariesByField(alpha, [], 'name', 'desc')) === 'c,a,b',
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)
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check(
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'name ascending reverses it',
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ordered(sortLibrariesByField(alpha, [], 'name', 'asc')) === 'b,a,c',
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)
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const manual = [lib('a', '动画', 2), lib('b', '电影', 0), lib('c', '纪录片', 1)]
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check(
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'manual order ascending follows sort_order',
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ordered(sortLibrariesByField(manual, [], 'sort_order', 'asc')) === 'b,c,a',
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)
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check(
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'manual order descending flips sort_order',
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ordered(sortLibrariesByField(manual, [], 'sort_order', 'desc')) === 'a,c,b',
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)
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// 置顶只决定分组：置顶库整体在前，组内仍然按当前字段/方向排。
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check(
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'pinned libraries always come first',
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ordered(sortLibrariesByField(alpha, ['c'], 'name', 'desc')) === 'c,a,b',
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)
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check(
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'pinned group is sorted by the active field too',
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ordered(sortLibrariesByField(alpha, ['a', 'c'], 'name', 'desc')) === 'c,a,b',
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)
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check(
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'pinned ids that no longer exist are ignored',
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ordered(sortLibrariesByField(alpha, ['missing'], 'name', 'desc')) === 'c,a,b',
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)
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// 同名时按 sort_order 兜底，再按 id 兜底，保证顺序稳定。
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const sameName = [lib('b', '动画', 1), lib('a', '动画', 1), lib('c', '动画', 0)]
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check(
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'equal names fall back to sort_order then id',
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ordered(sortLibrariesByField(sameName, [], 'name', 'desc')) === 'c,a,b',
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)
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check('single library is returned as-is', sortLibrariesByField([lib('a', '动画')], [], 'name', 'desc').length === 1)
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const previews = [
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{ library: lib('a', '动画'), total: 1 },
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{ library: lib('b', '电影'), total: 2 },
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]
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check(
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'previews follow the library order',
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sortLibraryPreviewsByField(previews, [], 'name', 'desc').map((item) => item.library.id).join(',') === 'a,b',
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)
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check(
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'previews keep their payload after sorting',
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sortLibraryPreviewsByField(previews, [], 'name', 'desc')[0].total === 1,
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)
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check(
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'previews respect pinning',
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sortLibraryPreviewsByField(previews, ['b'], 'name', 'desc').map((item) => item.library.id).join(',') === 'b,a',
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)
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console.log('libraryListSort.test.ts ok')
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