114 lines
3.6 KiB
TypeScript
114 lines
3.6 KiB
TypeScript
/**
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* Copyright (c) 2017 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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import * as puppeteer from 'puppeteer';
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import { assert } from 'chai';
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import { ITerminalOptions } from 'xterm';
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const APP = 'http://127.0.0.1:3000/test';
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let browser: puppeteer.Browser;
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let page: puppeteer.Page;
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const width = 800;
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const height = 600;
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describe('CharWidth Integration Tests', function(): void {
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this.timeout(20000);
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before(async function(): Promise<any> {
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browser = await puppeteer.launch({
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headless: process.argv.indexOf('--headless') !== -1,
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slowMo: 80,
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args: [`--window-size=${width},${height}`]
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});
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page = (await browser.pages())[0];
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await page.setViewport({ width, height });
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await page.goto(APP);
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await openTerminal({ rows: 5, cols: 30 });
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});
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after(() => {
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browser.close();
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});
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describe('getStringCellWidth', () => {
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beforeEach(async () => {
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await page.evaluate(`window.term.reset()`);
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});
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it('ASCII chars', async function(): Promise<void> {
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const input = 'This is just ASCII text.#';
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await page.evaluate(`window.term.write('${input}')`);
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assert.equal(25, await sumWidths(0, 1, '#'));
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});
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it('combining chars', async function(): Promise<void> {
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const input = 'e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301e\u0301#';
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await page.evaluate(`window.term.write('${input}')`);
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assert.equal(10, await sumWidths(0, 1, '#'));
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});
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it('surrogate chars', async function(): Promise<void> {
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const input = '𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞𝄞#';
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await page.evaluate(`window.term.write('${input}')`);
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assert.equal(28, await sumWidths(0, 1, '#'));
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});
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it('surrogate combining chars', async function(): Promise<void> {
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const input = '𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301𓂀\u0301#';
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await page.evaluate(`window.term.write('${input}')`);
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assert.equal(12, await sumWidths(0, 1, '#'));
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});
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it('fullwidth chars', async function(): Promise<void> {
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const input = '１２３４５６７８９０#';
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await page.evaluate(`window.term.write('${input}')`);
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assert.equal(21, await sumWidths(0, 1, '#'));
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});
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it('fullwidth chars offset 1', async function(): Promise<void> {
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const input = 'a１２３４５６７８９０#';
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await page.evaluate(`window.term.write('${input}')`);
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assert.equal(22, await sumWidths(0, 1, '#'));
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});
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// TODO: multiline tests once #1685 is resolved
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});
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});
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async function openTerminal(options: ITerminalOptions = {}): Promise<void> {
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await page.evaluate(`window.term = new Terminal(${JSON.stringify(options)})`);
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await page.evaluate(`window.term.open(document.querySelector('#terminal-container'))`);
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if (options.rendererType === 'dom') {
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await page.waitForSelector('.xterm-rows');
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} else {
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await page.waitForSelector('.xterm-text-layer');
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}
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}
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async function sumWidths(start: number, end: number, sentinel: string): Promise<number> {
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await page.evaluate(`
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(function() {
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window.result = 0;
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const buffer = window.term.buffer;
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for (let i = ${start}; i < ${end}; i++) {
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const line = buffer.getLine(i);
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let j = 0;
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while (true) {
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const cell = line.getCell(j++);
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if (!cell) {
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break;
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}
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window.result += cell.width;
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if (cell.char === '${sentinel}') {
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return;
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}
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}
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}
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})();
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`);
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return await page.evaluate(`window.result`);
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}
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