更新换行算法和APP-PUSH

This commit is contained in:
吕新雨
2026-02-10 11:39:33 +08:00
parent f03d36b5e9
commit ee2d9f44ea
105 changed files with 9967 additions and 233 deletions

View File

@@ -0,0 +1,138 @@
import { describe, expect, it, vi } from 'vitest';
import type { MeasureWidthImpl } from '../../measure/types';
import { DEFAULT_LEXICONS, DEFAULT_WEIGHTS } from '../../scoring/index';
import { searchBestLayoutWidget } from '../index';
function t(text: string, start: number) {
return { text, start, end: start + text.length };
}
describe('textWrap search-engine-widget', () => {
it('确定性:同输入多次调用 breaks/lines 必须一致', async () => {
const impl: MeasureWidthImpl = vi.fn(async ({ text }) => text.length);
const input = {
tokens: [t('I', 0), t('am', 2), t('so', 5), t('tired', 8)],
lang: 'EN' as const,
breakpoints: [
{ pos: 1, kind: 'SPACE', priority: 10 },
{ pos: 2, kind: 'SPACE', priority: 10 },
{ pos: 3, kind: 'SPACE', priority: 10 },
],
availableWidth: 6,
maxLines: 2,
context: 'WIDGET' as const,
measure: {
widthMode: 'MEASURE' as const,
contextProfile: 'WIDGET|small|test',
fontSpec: { fontFamily: 'PingFangSC-Regular', fontWeight: '400', fontSize: 16 },
measureWidthImpl: impl,
widgetEnableMeasure: true,
},
scoring: {
config: {
weights: DEFAULT_WEIGHTS,
idealWidthRatio: { APP: 0.9, WIDGET: 0.95 },
ellipsisToken: '…',
tcParticleWhitelist: [],
},
lexicons: DEFAULT_LEXICONS,
debug: true,
},
config: { beamK: 5, expandM: 12 },
};
const a = await searchBestLayoutWidget(input as any);
const b = await searchBestLayoutWidget(input as any);
const c = await searchBestLayoutWidget(input as any);
expect(a).toEqual(b);
expect(b).toEqual(c);
});
it('widthMode=APPROX仍可输出并标记 meta.reason=WIDTH_UNKNOWN', async () => {
const res = await searchBestLayoutWidget({
tokens: [t('我', 0), t('好', 1), t('累', 2)],
lang: 'TC',
breakpoints: [{ pos: 1, kind: 'BALANCE', priority: 5 }],
// APPROX 模式下availableWidth 与 width 单位都按“token 数”理解
availableWidth: 10,
maxLines: 2,
context: 'WIDGET',
measure: { widthMode: 'APPROX' },
scoring: {
config: { weights: DEFAULT_WEIGHTS, idealWidthRatio: { APP: 0.9, WIDGET: 0.95 }, ellipsisToken: '…', tcParticleWhitelist: [] },
lexicons: DEFAULT_LEXICONS,
debug: true,
},
config: { beamK: 3, expandM: 2 },
});
expect(res.ok).toBe(true);
if (res.ok) {
expect(res.bestLayout.meta?.reason).toBe('WIDTH_UNKNOWN');
}
});
it('性能约束expandM/beamK 生效(通过测量调用次数粗略验证)', async () => {
const impl: MeasureWidthImpl = vi.fn(async ({ text }) => text.length);
const res = await searchBestLayoutWidget({
tokens: [t('a', 0), t('b', 2), t('c', 4), t('d', 6), t('e', 8)],
lang: 'EN',
breakpoints: [
{ pos: 1, kind: 'SPACE', priority: 10 },
{ pos: 2, kind: 'SPACE', priority: 10 },
{ pos: 3, kind: 'SPACE', priority: 10 },
{ pos: 4, kind: 'SPACE', priority: 10 },
],
availableWidth: 100,
maxLines: 3,
context: 'WIDGET',
measure: {
widthMode: 'MEASURE',
contextProfile: 'WIDGET|perf',
fontSpec: { fontFamily: 'PingFangSC-Regular', fontWeight: '400', fontSize: 16 },
measureWidthImpl: impl,
widgetEnableMeasure: true,
},
scoring: {
config: { weights: DEFAULT_WEIGHTS, idealWidthRatio: { APP: 0.9, WIDGET: 0.95 }, ellipsisToken: '…', tcParticleWhitelist: [] },
lexicons: DEFAULT_LEXICONS,
},
config: { beamK: 2, expandM: 2 },
});
expect(res.ok).toBe(true);
// 每轮最多 beamK 个 beam每个 beam 最多 expandM 次扩展 -> 粗略上限maxLines*beamK*expandM
expect((impl as any).mock.calls.length).toBeLessThanOrEqual(3 * 2 * 2 + 2);
});
it('TC H6行首标点导致的转移必须被禁止', async () => {
const impl: MeasureWidthImpl = vi.fn(async ({ text }) => text.length);
const res = await searchBestLayoutWidget({
tokens: [t('我', 0), t('好', 1), t('', 2), t('累', 3)],
lang: 'TC',
breakpoints: [{ pos: 2, kind: 'PUNCT', priority: 30 }],
// 让“一行放下全文”不可能(触发超宽过滤),从而必须依赖断点切分
availableWidth: 3,
maxLines: 2,
context: 'WIDGET',
measure: {
widthMode: 'MEASURE',
contextProfile: 'WIDGET|tc',
fontSpec: { fontFamily: 'PingFangSC-Regular', fontWeight: '400', fontSize: 16 },
measureWidthImpl: impl,
widgetEnableMeasure: true,
},
scoring: {
config: { weights: DEFAULT_WEIGHTS, idealWidthRatio: { APP: 0.9, WIDGET: 0.95 }, ellipsisToken: '…', tcParticleWhitelist: [], tcPunctuations: [''] },
lexicons: DEFAULT_LEXICONS,
},
config: { beamK: 3, expandM: 3 },
});
expect(res.ok).toBe(false);
if (!res.ok) expect(res.reason).toBe('NO_CANDIDATE');
});
});