61 lines
1.9 KiB
JavaScript
61 lines
1.9 KiB
JavaScript
/**
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* Copyright (c) 2017-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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const path = require('path');
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const readFileSync = require('fs').readFileSync;
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const {getTOC, insertTOC} = require('../toc');
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const {extractMetadata} = require('../../server/metadataUtils');
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const getTOCmd = readFileSync(
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path.join(__dirname, '__fixtures__', 'getTOC.md'),
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'utf8'
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);
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const insertTOCmd = readFileSync(
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path.join(__dirname, '__fixtures__', 'insertTOC.md'),
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'utf8'
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);
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describe('getTOC', () => {
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test('with defaults', () => {
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const headings = getTOC(getTOCmd);
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const headingsJson = JSON.stringify(headings);
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expect(headings).toMatchSnapshot();
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expect(headingsJson).toContain('bar-8'); // maximum unique bar index is 8
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expect(headingsJson).not.toContain('4th level headings');
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});
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test('with custom heading levels', () => {
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const headings = getTOC(getTOCmd, 'h2', ['h3', 'h4']);
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const headingsJson = JSON.stringify(headings);
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expect(headings).toMatchSnapshot();
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expect(headingsJson).toContain('bar-8'); // maximum unique bar index is 8
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expect(headingsJson).toContain('4th level headings');
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});
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});
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describe('insertTOC', () => {
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test('null or undefined content', () => {
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expect(insertTOC(null)).toBeNull();
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expect(insertTOC(undefined)).toBeUndefined();
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});
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test('AUTOGENERATED_TABLE_OF_CONTENTS does not exist', () => {
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const rawContent = extractMetadata(getTOCmd).rawContent;
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expect(insertTOC(rawContent)).toMatchSnapshot();
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expect(insertTOC(rawContent)).toEqual(rawContent);
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});
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test('AUTOGENERATED_TABLE_OF_CONTENTS exists', () => {
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const rawContent = extractMetadata(insertTOCmd).rawContent;
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expect(insertTOC(rawContent)).toMatchSnapshot();
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expect(insertTOC(rawContent)).not.toEqual(rawContent);
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});
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});
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