mirror_xterm.js/src/SelectionManager.test.ts
Daniel Imms f03d00a497 Clean up buffer clean up/fill logic
The alt buffer is now cleared immediated after activating the normal buffer and
is filled when switching to it. The tests were failing because the alt buffer
wasn't being cleared properly with the previous solution.
2017-08-05 19:42:54 -07:00

229 lines
9.3 KiB
TypeScript

/**
* @license MIT
*/
import jsdom = require('jsdom');
import { assert } from 'chai';
import { ITerminal, ICircularList } from './Interfaces';
import { CharMeasure } from './utils/CharMeasure';
import { CircularList } from './utils/CircularList';
import { SelectionManager } from './SelectionManager';
import { SelectionModel } from './SelectionModel';
import { BufferSet } from './BufferSet';
import { MockTerminal } from './utils/TestUtils';
class TestSelectionManager extends SelectionManager {
constructor(
terminal: ITerminal,
buffer: ICircularList<[number, string, number][]>,
rowContainer: HTMLElement,
charMeasure: CharMeasure
) {
super(terminal, buffer, rowContainer, charMeasure);
}
public get model(): SelectionModel { return this._model; }
public selectLineAt(line: number): void { this._selectLineAt(line); }
public selectWordAt(coords: [number, number]): void { this._selectWordAt(coords); }
// Disable DOM interaction
public enable(): void {}
public disable(): void {}
public refresh(): void {}
}
describe('SelectionManager', () => {
let dom: jsdom.JSDOM;
let window: Window;
let document: Document;
let terminal: ITerminal;
let bufferLines: ICircularList<[number, string, number][]>;
let rowContainer: HTMLElement;
let selectionManager: TestSelectionManager;
beforeEach(() => {
dom = new jsdom.JSDOM('');
window = dom.window;
document = window.document;
rowContainer = document.createElement('div');
terminal = new MockTerminal();
terminal.cols = 80;
terminal.rows = 2;
terminal.scrollback = 100;
terminal.buffers = new BufferSet(terminal);
terminal.buffer = terminal.buffers.active;
bufferLines = terminal.buffer.lines;
selectionManager = new TestSelectionManager(terminal, bufferLines, rowContainer, null);
});
function stringToRow(text: string): [number, string, number][] {
let result: [number, string, number][] = [];
for (let i = 0; i < text.length; i++) {
result.push([0, text.charAt(i), 1]);
}
return result;
}
describe('_selectWordAt', () => {
it('should expand selection for normal width chars', () => {
bufferLines.set(0, stringToRow('foo bar'));
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, 'foo');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, 'foo');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, 'foo');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([4, 0]);
assert.equal(selectionManager.selectionText, 'bar');
selectionManager.selectWordAt([5, 0]);
assert.equal(selectionManager.selectionText, 'bar');
selectionManager.selectWordAt([6, 0]);
assert.equal(selectionManager.selectionText, 'bar');
});
it('should expand selection for whitespace', () => {
bufferLines.set(0, stringToRow('a b'));
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, 'a');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, ' ');
selectionManager.selectWordAt([4, 0]);
assert.equal(selectionManager.selectionText, 'b');
});
it('should expand selection for wide characters', () => {
// Wide characters use a special format
bufferLines.set(0, [
[null, '中', 2],
[null, '', 0],
[null, '文', 2],
[null, '', 0],
[null, ' ', 1],
[null, 'a', 1],
[null, '中', 2],
[null, '', 0],
[null, '文', 2],
[null, '', 0],
[null, 'b', 1],
[null, ' ', 1],
[null, 'f', 1],
[null, 'o', 1],
[null, 'o', 1]
]);
// Ensure wide characters take up 2 columns
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, '中文');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, '中文');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, '中文');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, '中文');
selectionManager.selectWordAt([4, 0]);
assert.equal(selectionManager.selectionText, ' ');
// Ensure wide characters work when wrapped in normal width characters
selectionManager.selectWordAt([5, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([6, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([7, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([8, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([9, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([10, 0]);
assert.equal(selectionManager.selectionText, 'a中文b');
selectionManager.selectWordAt([11, 0]);
assert.equal(selectionManager.selectionText, ' ');
// Ensure normal width characters work fine in a line containing wide characters
selectionManager.selectWordAt([12, 0]);
assert.equal(selectionManager.selectionText, 'foo');
selectionManager.selectWordAt([13, 0]);
assert.equal(selectionManager.selectionText, 'foo');
selectionManager.selectWordAt([14, 0]);
assert.equal(selectionManager.selectionText, 'foo');
});
it('should select up to non-path characters that are commonly adjacent to paths', () => {
bufferLines.set(0, stringToRow('(cd)[ef]{gh}\'ij"'));
selectionManager.selectWordAt([0, 0]);
assert.equal(selectionManager.selectionText, '(cd');
selectionManager.selectWordAt([1, 0]);
assert.equal(selectionManager.selectionText, 'cd');
selectionManager.selectWordAt([2, 0]);
assert.equal(selectionManager.selectionText, 'cd');
selectionManager.selectWordAt([3, 0]);
assert.equal(selectionManager.selectionText, 'cd)');
selectionManager.selectWordAt([4, 0]);
assert.equal(selectionManager.selectionText, '[ef');
selectionManager.selectWordAt([5, 0]);
assert.equal(selectionManager.selectionText, 'ef');
selectionManager.selectWordAt([6, 0]);
assert.equal(selectionManager.selectionText, 'ef');
selectionManager.selectWordAt([7, 0]);
assert.equal(selectionManager.selectionText, 'ef]');
selectionManager.selectWordAt([8, 0]);
assert.equal(selectionManager.selectionText, '{gh');
selectionManager.selectWordAt([9, 0]);
assert.equal(selectionManager.selectionText, 'gh');
selectionManager.selectWordAt([10, 0]);
assert.equal(selectionManager.selectionText, 'gh');
selectionManager.selectWordAt([11, 0]);
assert.equal(selectionManager.selectionText, 'gh}');
selectionManager.selectWordAt([12, 0]);
assert.equal(selectionManager.selectionText, '\'ij');
selectionManager.selectWordAt([13, 0]);
assert.equal(selectionManager.selectionText, 'ij');
selectionManager.selectWordAt([14, 0]);
assert.equal(selectionManager.selectionText, 'ij');
selectionManager.selectWordAt([15, 0]);
assert.equal(selectionManager.selectionText, 'ij"');
});
});
describe('_selectLineAt', () => {
it('should select the entire line', () => {
bufferLines.set(0, stringToRow('foo bar'));
selectionManager.selectLineAt(0);
assert.equal(selectionManager.selectionText, 'foo bar', 'The selected text is correct');
assert.deepEqual(selectionManager.model.finalSelectionStart, [0, 0]);
assert.deepEqual(selectionManager.model.finalSelectionEnd, [terminal.cols, 0], 'The actual selection spans the entire column');
});
});
describe('selectAll', () => {
it('should select the entire buffer, beyond the viewport', () => {
bufferLines.length = 5;
bufferLines.set(0, stringToRow('1'));
bufferLines.set(1, stringToRow('2'));
bufferLines.set(2, stringToRow('3'));
bufferLines.set(3, stringToRow('4'));
bufferLines.set(4, stringToRow('5'));
selectionManager.selectAll();
terminal.buffer.ybase = bufferLines.length - terminal.rows;
assert.equal(selectionManager.selectionText, '1\n2\n3\n4\n5');
});
});
describe('hasSelection', () => {
it('should return whether there is a selection', () => {
selectionManager.model.selectionStart = [0, 0];
selectionManager.model.selectionStartLength = 0;
assert.equal(selectionManager.hasSelection, false);
selectionManager.model.selectionEnd = [0, 0];
assert.equal(selectionManager.hasSelection, false);
selectionManager.model.selectionEnd = [1, 0];
assert.equal(selectionManager.hasSelection, true);
selectionManager.model.selectionEnd = [0, 1];
assert.equal(selectionManager.hasSelection, true);
selectionManager.model.selectionEnd = [1, 1];
assert.equal(selectionManager.hasSelection, true);
});
});
});