forked from akai/readest
Huang Xin
c533da498d
* feat(annotator): add page number in annotation * feat: add page number for annotations, closes #3082
224 lines
7.8 KiB
TypeScript
224 lines
7.8 KiB
TypeScript
import { describe, it, expect, vi } from 'vitest';
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import { PageProgress } from 'foliate-js/progress.js';
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const createHTML = (html: string): Document => {
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const parser = new DOMParser();
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return parser.parseFromString(`<!DOCTYPE html><html><body>${html}</body></html>`, 'text/html');
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};
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const makeBook = (sections: { html: string }[]) => ({
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sections: sections.map(({ html }) => ({
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createDocument: () => Promise.resolve(createHTML(html)),
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})),
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});
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describe('PageProgress', () => {
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describe('getProgress', () => {
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it('should return fraction 0 when anchor targets the start of a section', async () => {
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const book = makeBook([{ html: '<p>Hello world</p>' }]);
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const resolveNavigation = () => ({
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index: 0,
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anchor: (doc: Document) => {
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const text = doc.body.querySelector('p')!.firstChild!;
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const range = doc.createRange();
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range.setStart(text, 0);
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range.setEnd(text, 0);
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return range;
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},
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});
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('cfi-start');
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expect(result).not.toBeNull();
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expect(result!.fraction).toBe(0);
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expect(result!.index).toBe(0);
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});
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it('should return fraction 1 when anchor targets the end of a section', async () => {
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const book = makeBook([{ html: '<p>Hello world</p>' }]);
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const resolveNavigation = () => ({
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index: 0,
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anchor: (doc: Document) => {
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const text = doc.body.querySelector('p')!.firstChild!;
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const range = doc.createRange();
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range.setStart(text, text.textContent!.length);
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range.setEnd(text, text.textContent!.length);
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return range;
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},
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});
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('cfi-end');
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expect(result).not.toBeNull();
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expect(result!.fraction).toBe(1);
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expect(result!.index).toBe(0);
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});
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it('should return correct fraction for a midpoint in a section', async () => {
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const book = makeBook([{ html: '<p>abcdefghij</p>' }]);
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const resolveNavigation = () => ({
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index: 0,
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anchor: (doc: Document) => {
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const text = doc.body.querySelector('p')!.firstChild!;
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const range = doc.createRange();
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range.setStart(text, 5);
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range.setEnd(text, 5);
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return range;
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},
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});
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('cfi-mid');
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expect(result).not.toBeNull();
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expect(result!.fraction).toBe(0.5);
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expect(result!.index).toBe(0);
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});
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it('should handle multiple text nodes across elements', async () => {
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const book = makeBook([{ html: '<p>aaaa</p><p>bbbb</p><p>cccc</p>' }]);
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const resolveNavigation = () => ({
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index: 0,
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anchor: (doc: Document) => {
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// target start of second <p>, which is at offset 4 of 12 total chars
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const text = doc.body.querySelectorAll('p')[1]!.firstChild!;
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const range = doc.createRange();
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range.setStart(text, 0);
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range.setEnd(text, 0);
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return range;
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},
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});
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('cfi-multi');
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expect(result).not.toBeNull();
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expect(result!.fraction).toBeCloseTo(4 / 12);
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expect(result!.index).toBe(0);
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});
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it('should handle anchor returning an Element instead of a Range', async () => {
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const book = makeBook([{ html: '<p>first</p><p id="target">second</p><p>third</p>' }]);
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const resolveNavigation = () => ({
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index: 0,
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anchor: (doc: Document) => doc.getElementById('target')!,
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});
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('cfi-element');
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expect(result).not.toBeNull();
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// "first" is 5 chars, "second" starts at offset 5 of 16 total
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expect(result!.fraction).toBeCloseTo(5 / 16);
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expect(result!.index).toBe(0);
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});
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it('should return correct index for non-zero section', async () => {
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const book = makeBook([
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{ html: '<p>chapter one</p>' },
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{ html: '<p>chapter two content</p>' },
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]);
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const resolveNavigation = () => ({
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index: 1,
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anchor: (doc: Document) => {
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const text = doc.body.querySelector('p')!.firstChild!;
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const range = doc.createRange();
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range.setStart(text, 0);
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range.setEnd(text, 0);
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return range;
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},
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});
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('cfi-section1');
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expect(result).not.toBeNull();
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expect(result!.fraction).toBe(0);
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expect(result!.index).toBe(1);
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});
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it('should return null when resolveNavigation returns no index', async () => {
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const book = makeBook([{ html: '<p>text</p>' }]);
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const resolveNavigation = (): { index: undefined; anchor: undefined } => ({
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index: undefined,
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anchor: undefined,
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});
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('bad-cfi');
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expect(result).toBeNull();
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});
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it('should return null when resolveNavigation returns no anchor', async () => {
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const book = makeBook([{ html: '<p>text</p>' }]);
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const resolveNavigation = (): { index: number; anchor: undefined } => ({
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index: 0,
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anchor: undefined,
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});
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('no-anchor');
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expect(result).toBeNull();
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});
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it('should return null when section has no createDocument', async () => {
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const book = { sections: [{}] };
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const resolveNavigation = () => ({
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index: 0,
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anchor: () => null,
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});
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('no-doc');
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expect(result).toBeNull();
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});
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it('should return fraction 0 for an empty document', async () => {
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const book = makeBook([{ html: '' }]);
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const resolveNavigation = () => ({
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index: 0,
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anchor: (doc: Document) => {
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const range = doc.createRange();
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range.selectNodeContents(doc.body);
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return range;
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},
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});
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('cfi-empty');
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expect(result).not.toBeNull();
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expect(result!.fraction).toBe(0);
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});
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it('should return null and log error when resolveNavigation throws', async () => {
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const consoleSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
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const book = makeBook([{ html: '<p>text</p>' }]);
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const resolveNavigation = () => {
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throw new Error('bad cfi');
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};
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('invalid');
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expect(result).toBeNull();
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expect(consoleSpy).toHaveBeenCalled();
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consoleSpy.mockRestore();
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});
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it('should handle nested elements correctly', async () => {
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const book = makeBook([{ html: '<div><span>ab</span><em>cd</em></div><p>ef</p>' }]);
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const resolveNavigation = () => ({
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index: 0,
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anchor: (doc: Document) => {
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// target the <em> text node "cd" at offset 0, which is at char 2 of 6
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const text = doc.body.querySelector('em')!.firstChild!;
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const range = doc.createRange();
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range.setStart(text, 0);
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range.setEnd(text, 2);
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return range;
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},
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});
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const pp = new PageProgress(book, resolveNavigation);
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const result = await pp.getProgress('cfi-nested');
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expect(result).not.toBeNull();
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expect(result!.fraction).toBeCloseTo(2 / 6);
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});
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});
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});
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