125 lines
4.4 KiB
TypeScript
125 lines
4.4 KiB
TypeScript
import { describe, expect, it, vi } from 'vitest';
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import type { MeasureWidthImpl } from '../../measure/types';
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import { searchBestLayoutApp } from '../index';
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import { DEFAULT_LEXICONS, DEFAULT_WEIGHTS } from '../../scoring/index';
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function t(text: string, start: number) {
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return { text, start, end: start + text.length };
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}
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describe('textWrap search-engine-app', () => {
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it('确定性：同输入多次调用 breaks/lines 必须一致', async () => {
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const impl: MeasureWidthImpl = vi.fn(async ({ text }) => text.length);
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const input = {
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tokens: [t('I', 0), t('am', 2), t('so', 5), t('tired', 8)],
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lang: 'EN' as const,
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breakpoints: [
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{ pos: 1, kind: 'SPACE', priority: 10 },
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{ pos: 2, kind: 'SPACE', priority: 10 },
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{ pos: 3, kind: 'SPACE', priority: 10 },
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],
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availableWidth: 6,
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maxLines: 2,
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lineMode: 'AUTO' as const,
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measure: {
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contextProfile: 'APP|ios|test',
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fontSpec: { fontFamily: 'PingFangSC-Regular', fontWeight: '400', fontSize: 16 },
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measureWidthImpl: impl,
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},
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scoring: {
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config: {
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weights: DEFAULT_WEIGHTS,
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idealWidthRatio: { APP: 0.9, WIDGET: 0.95 },
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ellipsisToken: '…',
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tcParticleWhitelist: [],
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},
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lexicons: DEFAULT_LEXICONS,
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debug: true,
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},
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};
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const a = await searchBestLayoutApp(input as any);
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const b = await searchBestLayoutApp(input as any);
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const c = await searchBestLayoutApp(input as any);
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expect(a).toEqual(b);
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expect(b).toEqual(c);
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expect(impl).toHaveBeenCalled(); // 有测量发生
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});
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it('lineMode=FIXED：无解必须返回 NO_CANDIDATE', async () => {
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const impl: MeasureWidthImpl = vi.fn(async ({ text }) => text.length);
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const res = await searchBestLayoutApp({
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tokens: [t('I', 0), t('am', 2)],
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lang: 'EN',
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breakpoints: [{ pos: 1, kind: 'SPACE', priority: 10 }],
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availableWidth: 100,
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maxLines: 3,
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lineMode: 'FIXED',
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measure: {
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contextProfile: 'APP|ios|fixed',
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fontSpec: { fontFamily: 'PingFangSC-Regular', fontWeight: '400', fontSize: 16 },
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measureWidthImpl: impl,
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},
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scoring: {
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config: { weights: DEFAULT_WEIGHTS, idealWidthRatio: { APP: 0.9, WIDGET: 0.95 }, ellipsisToken: '…', tcParticleWhitelist: [] },
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lexicons: DEFAULT_LEXICONS,
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},
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});
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expect(res.ok).toBe(false);
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if (!res.ok) expect(res.reason).toBe('NO_CANDIDATE');
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});
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it('TC H6：断点导致下一行行首为标点时必须禁止', async () => {
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const impl: MeasureWidthImpl = vi.fn(async ({ text }) => text.length);
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const res = await searchBestLayoutApp({
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tokens: [t('我', 0), t('好', 1), t('，', 2), t('累', 3)],
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lang: 'TC',
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// 若选择 pos=2，则第二行行首 token 为 '，'（应禁止）
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breakpoints: [{ pos: 2, kind: 'PUNCT', priority: 30 }],
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availableWidth: 100,
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maxLines: 2,
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lineMode: 'FIXED',
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measure: {
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contextProfile: 'APP|ios|tc',
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fontSpec: { fontFamily: 'PingFangSC-Regular', fontWeight: '400', fontSize: 16 },
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measureWidthImpl: impl,
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},
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scoring: {
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config: { weights: DEFAULT_WEIGHTS, idealWidthRatio: { APP: 0.9, WIDGET: 0.95 }, ellipsisToken: '…', tcParticleWhitelist: [], tcPunctuations: ['，'] },
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lexicons: DEFAULT_LEXICONS,
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},
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});
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// lineMode=FIXED 且唯一断点被禁止，因此无解
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expect(res.ok).toBe(false);
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if (!res.ok) expect(res.reason).toBe('NO_CANDIDATE');
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});
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it('TOO_LONG：超过阈值直接返回 TOO_LONG', async () => {
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const impl: MeasureWidthImpl = vi.fn(async ({ text }) => text.length);
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const tokens = Array.from({ length: 31 }).map((_, i) => t('a', i));
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const res = await searchBestLayoutApp({
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tokens,
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lang: 'EN',
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breakpoints: [],
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availableWidth: 100,
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maxLines: 2,
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lineMode: 'AUTO',
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measure: {
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contextProfile: 'APP|ios|toolong',
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fontSpec: { fontFamily: 'PingFangSC-Regular', fontWeight: '400', fontSize: 16 },
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measureWidthImpl: impl,
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},
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scoring: {
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config: { weights: DEFAULT_WEIGHTS, idealWidthRatio: { APP: 0.9, WIDGET: 0.95 }, ellipsisToken: '…', tcParticleWhitelist: [] },
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lexicons: DEFAULT_LEXICONS,
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},
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});
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expect(res.ok).toBe(false);
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if (!res.ok) expect(res.reason).toBe('TOO_LONG');
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});
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});
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