401 lines
16 KiB
TypeScript
401 lines
16 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 { assert, expect } from 'chai';
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import { InputHandler } from './InputHandler';
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import { MockInputHandlingTerminal } from './ui/TestUtils.test';
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import { CHAR_DATA_ATTR_INDEX, DEFAULT_ATTR } from './Buffer';
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import { Terminal } from './Terminal';
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import { IBufferLine } from './Types';
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describe('InputHandler', () => {
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describe('save and restore cursor', () => {
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const terminal = new MockInputHandlingTerminal();
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terminal.buffer.x = 1;
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terminal.buffer.y = 2;
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terminal.curAttr = 3;
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const inputHandler = new InputHandler(terminal);
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// Save cursor position
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inputHandler.saveCursor([]);
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assert.equal(terminal.buffer.x, 1);
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assert.equal(terminal.buffer.y, 2);
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assert.equal(terminal.curAttr, 3);
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// Change cursor position
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terminal.buffer.x = 10;
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terminal.buffer.y = 20;
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terminal.curAttr = 30;
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// Restore cursor position
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inputHandler.restoreCursor([]);
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assert.equal(terminal.buffer.x, 1);
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assert.equal(terminal.buffer.y, 2);
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assert.equal(terminal.curAttr, 3);
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});
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describe('setCursorStyle', () => {
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it('should call Terminal.setOption with correct params', () => {
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const terminal = new MockInputHandlingTerminal();
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const inputHandler = new InputHandler(terminal);
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const collect = ' ';
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inputHandler.setCursorStyle([0], collect);
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assert.equal(terminal.options['cursorStyle'], 'block');
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assert.equal(terminal.options['cursorBlink'], true);
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terminal.options = {};
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inputHandler.setCursorStyle([1], collect);
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assert.equal(terminal.options['cursorStyle'], 'block');
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assert.equal(terminal.options['cursorBlink'], true);
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terminal.options = {};
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inputHandler.setCursorStyle([2], collect);
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assert.equal(terminal.options['cursorStyle'], 'block');
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assert.equal(terminal.options['cursorBlink'], false);
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terminal.options = {};
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inputHandler.setCursorStyle([3], collect);
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assert.equal(terminal.options['cursorStyle'], 'underline');
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assert.equal(terminal.options['cursorBlink'], true);
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terminal.options = {};
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inputHandler.setCursorStyle([4], collect);
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assert.equal(terminal.options['cursorStyle'], 'underline');
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assert.equal(terminal.options['cursorBlink'], false);
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terminal.options = {};
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inputHandler.setCursorStyle([5], collect);
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assert.equal(terminal.options['cursorStyle'], 'bar');
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assert.equal(terminal.options['cursorBlink'], true);
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terminal.options = {};
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inputHandler.setCursorStyle([6], collect);
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assert.equal(terminal.options['cursorStyle'], 'bar');
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assert.equal(terminal.options['cursorBlink'], false);
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});
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});
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describe('setMode', () => {
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it('should toggle Terminal.bracketedPasteMode', () => {
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const terminal = new MockInputHandlingTerminal();
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const collect = '?';
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terminal.bracketedPasteMode = false;
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const inputHandler = new InputHandler(terminal);
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// Set bracketed paste mode
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inputHandler.setMode([2004], collect);
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assert.equal(terminal.bracketedPasteMode, true);
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// Reset bracketed paste mode
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inputHandler.resetMode([2004], collect);
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assert.equal(terminal.bracketedPasteMode, false);
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});
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});
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describe('regression tests', function(): void {
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function termContent(term: Terminal, trim: boolean): string[] {
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const result = [];
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for (let i = 0; i < term.rows; ++i) result.push(term.buffer.lines.get(i).translateToString(trim));
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return result;
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}
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it('insertChars', function(): void {
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const term = new Terminal();
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const inputHandler = new InputHandler(term);
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// insert some data in first and second line
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inputHandler.parse(Array(term.cols - 9).join('a'));
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inputHandler.parse('1234567890');
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inputHandler.parse(Array(term.cols - 9).join('a'));
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inputHandler.parse('1234567890');
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const line1: IBufferLine = term.buffer.lines.get(0);
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expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '1234567890');
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// insert one char from params = [0]
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term.buffer.y = 0;
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term.buffer.x = 70;
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inputHandler.insertChars([0]);
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expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + ' 123456789');
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// insert one char from params = [1]
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term.buffer.y = 0;
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term.buffer.x = 70;
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inputHandler.insertChars([1]);
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expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + ' 12345678');
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// insert two chars from params = [2]
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term.buffer.y = 0;
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term.buffer.x = 70;
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inputHandler.insertChars([2]);
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expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + ' 123456');
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// insert 10 chars from params = [10]
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term.buffer.y = 0;
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term.buffer.x = 70;
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inputHandler.insertChars([10]);
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expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + ' ');
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expect(line1.translateToString(true)).equals(Array(term.cols - 9).join('a'));
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});
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it('deleteChars', function(): void {
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const term = new Terminal();
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const inputHandler = new InputHandler(term);
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// insert some data in first and second line
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inputHandler.parse(Array(term.cols - 9).join('a'));
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inputHandler.parse('1234567890');
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inputHandler.parse(Array(term.cols - 9).join('a'));
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inputHandler.parse('1234567890');
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const line1: IBufferLine = term.buffer.lines.get(0);
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expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '1234567890');
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// delete one char from params = [0]
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term.buffer.y = 0;
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term.buffer.x = 70;
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inputHandler.deleteChars([0]);
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expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '234567890 ');
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expect(line1.translateToString(true)).equals(Array(term.cols - 9).join('a') + '234567890');
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// insert one char from params = [1]
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term.buffer.y = 0;
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term.buffer.x = 70;
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inputHandler.deleteChars([1]);
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expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '34567890 ');
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expect(line1.translateToString(true)).equals(Array(term.cols - 9).join('a') + '34567890');
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// insert two chars from params = [2]
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term.buffer.y = 0;
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term.buffer.x = 70;
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inputHandler.deleteChars([2]);
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expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + '567890 ');
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expect(line1.translateToString(true)).equals(Array(term.cols - 9).join('a') + '567890');
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// insert 10 chars from params = [10]
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term.buffer.y = 0;
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term.buffer.x = 70;
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inputHandler.deleteChars([10]);
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expect(line1.translateToString(false)).equals(Array(term.cols - 9).join('a') + ' ');
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expect(line1.translateToString(true)).equals(Array(term.cols - 9).join('a'));
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});
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it('eraseInLine', function(): void {
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const term = new Terminal();
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const inputHandler = new InputHandler(term);
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// fill 6 lines to test 3 different states
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inputHandler.parse(Array(term.cols + 1).join('a'));
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inputHandler.parse(Array(term.cols + 1).join('a'));
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inputHandler.parse(Array(term.cols + 1).join('a'));
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// params[0] - right erase
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term.buffer.y = 0;
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term.buffer.x = 70;
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inputHandler.eraseInLine([0]);
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expect(term.buffer.lines.get(0).translateToString(false)).equals(Array(71).join('a') + ' ');
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// params[1] - left erase
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term.buffer.y = 1;
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term.buffer.x = 70;
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inputHandler.eraseInLine([1]);
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expect(term.buffer.lines.get(1).translateToString(false)).equals(Array(71).join(' ') + ' aaaaaaaaa');
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// params[1] - left erase
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term.buffer.y = 2;
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term.buffer.x = 70;
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inputHandler.eraseInLine([2]);
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expect(term.buffer.lines.get(2).translateToString(false)).equals(Array(term.cols + 1).join(' '));
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});
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it('eraseInDisplay', function(): void {
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const term = new Terminal({cols: 80, rows: 7});
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const inputHandler = new InputHandler(term);
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// fill display with a's
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for (let i = 0; i < term.rows; ++i) inputHandler.parse(Array(term.cols + 1).join('a'));
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// params [0] - right and below erase
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term.buffer.y = 5;
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term.buffer.x = 40;
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inputHandler.eraseInDisplay([0]);
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expect(termContent(term, false)).eql([
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Array(term.cols + 1).join('a'),
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Array(term.cols + 1).join('a'),
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Array(term.cols + 1).join('a'),
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Array(term.cols + 1).join('a'),
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Array(term.cols + 1).join('a'),
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Array(40 + 1).join('a') + Array(term.cols - 40 + 1).join(' '),
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Array(term.cols + 1).join(' ')
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]);
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expect(termContent(term, true)).eql([
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Array(term.cols + 1).join('a'),
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Array(term.cols + 1).join('a'),
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Array(term.cols + 1).join('a'),
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Array(term.cols + 1).join('a'),
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Array(term.cols + 1).join('a'),
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Array(40 + 1).join('a'),
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''
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]);
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// reset
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term.buffer.y = 0;
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term.buffer.x = 0;
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for (let i = 0; i < term.rows; ++i) inputHandler.parse(Array(term.cols + 1).join('a'));
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// params [1] - left and above
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term.buffer.y = 5;
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term.buffer.x = 40;
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inputHandler.eraseInDisplay([1]);
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expect(termContent(term, false)).eql([
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Array(term.cols + 1).join(' '),
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Array(term.cols + 1).join(' '),
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Array(term.cols + 1).join(' '),
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Array(term.cols + 1).join(' '),
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Array(term.cols + 1).join(' '),
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Array(41 + 1).join(' ') + Array(term.cols - 41 + 1).join('a'),
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Array(term.cols + 1).join('a')
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]);
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expect(termContent(term, true)).eql([
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'',
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'',
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'',
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'',
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'',
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Array(41 + 1).join(' ') + Array(term.cols - 41 + 1).join('a'),
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Array(term.cols + 1).join('a')
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]);
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// reset
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term.buffer.y = 0;
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term.buffer.x = 0;
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for (let i = 0; i < term.rows; ++i) inputHandler.parse(Array(term.cols + 1).join('a'));
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// params [2] - whole screen
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term.buffer.y = 5;
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term.buffer.x = 40;
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inputHandler.eraseInDisplay([2]);
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expect(termContent(term, false)).eql([
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Array(term.cols + 1).join(' '),
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Array(term.cols + 1).join(' '),
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Array(term.cols + 1).join(' '),
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Array(term.cols + 1).join(' '),
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Array(term.cols + 1).join(' '),
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Array(term.cols + 1).join(' '),
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Array(term.cols + 1).join(' ')
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]);
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expect(termContent(term, true)).eql([
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'',
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'',
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'',
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'',
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'',
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'',
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''
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]);
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// reset and add a wrapped line
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term.buffer.y = 0;
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term.buffer.x = 0;
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inputHandler.parse(Array(term.cols + 1).join('a')); // line 0
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inputHandler.parse(Array(term.cols + 10).join('a')); // line 1 and 2
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for (let i = 3; i < term.rows; ++i) inputHandler.parse(Array(term.cols + 1).join('a'));
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// params[1] left and above with wrap
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// confirm precondition that line 2 is wrapped
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expect(term.buffer.lines.get(2).isWrapped).true;
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term.buffer.y = 2;
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term.buffer.x = 40;
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inputHandler.eraseInDisplay([1]);
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expect(term.buffer.lines.get(2).isWrapped).false;
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// reset and add a wrapped line
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term.buffer.y = 0;
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term.buffer.x = 0;
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inputHandler.parse(Array(term.cols + 1).join('a')); // line 0
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inputHandler.parse(Array(term.cols + 10).join('a')); // line 1 and 2
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for (let i = 3; i < term.rows; ++i) inputHandler.parse(Array(term.cols + 1).join('a'));
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// params[1] left and above with wrap
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// confirm precondition that line 2 is wrapped
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expect(term.buffer.lines.get(2).isWrapped).true;
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term.buffer.y = 1;
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term.buffer.x = 90; // Cursor is beyond last column
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inputHandler.eraseInDisplay([1]);
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expect(term.buffer.lines.get(2).isWrapped).false;
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});
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});
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it('convertEol setting', function(): void {
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// not converting
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const termNotConverting = new Terminal({cols: 15, rows: 10});
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(termNotConverting as any)._inputHandler.parse('Hello\nWorld');
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expect(termNotConverting.buffer.lines.get(0).translateToString(false)).equals('Hello ');
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expect(termNotConverting.buffer.lines.get(1).translateToString(false)).equals(' World ');
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expect(termNotConverting.buffer.lines.get(0).translateToString(true)).equals('Hello');
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expect(termNotConverting.buffer.lines.get(1).translateToString(true)).equals(' World');
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// converting
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const termConverting = new Terminal({cols: 15, rows: 10, convertEol: true});
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(termConverting as any)._inputHandler.parse('Hello\nWorld');
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expect(termConverting.buffer.lines.get(0).translateToString(false)).equals('Hello ');
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expect(termConverting.buffer.lines.get(1).translateToString(false)).equals('World ');
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expect(termConverting.buffer.lines.get(0).translateToString(true)).equals('Hello');
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expect(termConverting.buffer.lines.get(1).translateToString(true)).equals('World');
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});
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describe('print', () => {
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it('should not cause an infinite loop (regression test)', () => {
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const term = new Terminal();
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const inputHandler = new InputHandler(term);
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const container = new Uint32Array(10);
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container[0] = 0x200B;
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inputHandler.print(container, 0, 1);
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});
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});
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describe('alt screen', () => {
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let term: Terminal;
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let handler: InputHandler;
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beforeEach(() => {
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term = new Terminal();
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handler = new InputHandler(term);
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});
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it('should handle DECSET/DECRST 47 (alt screen buffer)', () => {
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handler.parse('\x1b[?47h\r\n\x1b[31mJUNK\x1b[?47lTEST');
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expect(term.buffer.translateBufferLineToString(0, true)).to.equal('');
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expect(term.buffer.translateBufferLineToString(1, true)).to.equal(' TEST');
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// Text color of 'TEST' should be red
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expect((term.buffer.lines.get(1).get(4)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
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});
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it('should handle DECSET/DECRST 1047 (alt screen buffer)', () => {
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handler.parse('\x1b[?1047h\r\n\x1b[31mJUNK\x1b[?1047lTEST');
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expect(term.buffer.translateBufferLineToString(0, true)).to.equal('');
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expect(term.buffer.translateBufferLineToString(1, true)).to.equal(' TEST');
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// Text color of 'TEST' should be red
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expect((term.buffer.lines.get(1).get(4)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
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});
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it('should handle DECSET/DECRST 1048 (alt screen cursor)', () => {
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handler.parse('\x1b[?1048h\r\n\x1b[31mJUNK\x1b[?1048lTEST');
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expect(term.buffer.translateBufferLineToString(0, true)).to.equal('TEST');
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expect(term.buffer.translateBufferLineToString(1, true)).to.equal('JUNK');
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// Text color of 'TEST' should be default
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expect(term.buffer.lines.get(0).get(0)[CHAR_DATA_ATTR_INDEX]).to.equal(DEFAULT_ATTR);
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// Text color of 'JUNK' should be red
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expect((term.buffer.lines.get(1).get(0)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
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});
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it('should handle DECSET/DECRST 1049 (alt screen buffer+cursor)', () => {
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handler.parse('\x1b[?1049h\r\n\x1b[31mJUNK\x1b[?1049lTEST');
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expect(term.buffer.translateBufferLineToString(0, true)).to.equal('TEST');
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expect(term.buffer.translateBufferLineToString(1, true)).to.equal('');
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// Text color of 'TEST' should be default
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expect(term.buffer.lines.get(0).get(0)[CHAR_DATA_ATTR_INDEX]).to.equal(DEFAULT_ATTR);
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});
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it('should handle DECSET/DECRST 1049 - maintains saved cursor for alt buffer', () => {
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handler.parse('\x1b[?1049h\r\n\x1b[31m\x1b[s\x1b[?1049lTEST');
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expect(term.buffer.translateBufferLineToString(0, true)).to.equal('TEST');
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// Text color of 'TEST' should be default
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expect(term.buffer.lines.get(0).get(0)[CHAR_DATA_ATTR_INDEX]).to.equal(DEFAULT_ATTR);
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handler.parse('\x1b[?1049h\x1b[uTEST');
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expect(term.buffer.translateBufferLineToString(1, true)).to.equal('TEST');
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// Text color of 'TEST' should be red
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expect((term.buffer.lines.get(1).get(0)[CHAR_DATA_ATTR_INDEX] >> 9) & 0x1ff).to.equal(1);
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});
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it('should handle DECSET/DECRST 1049 - clears alt buffer with erase attributes', () => {
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handler.parse('\x1b[42m\x1b[?1049h');
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// Buffer should be filled with green background
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expect(term.buffer.lines.get(20).get(10)[CHAR_DATA_ATTR_INDEX] & 0x1ff).to.equal(2);
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});
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});
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});
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