src/SelectionManager.test.ts

   1 /**
   2  * @license MIT
   3  */
   4 import jsdom = require('jsdom');
   5 import { assert } from 'chai';
   6 import { ITerminal } from './Interfaces';
   7 import { CharMeasure } from './utils/CharMeasure';
   8 import { CircularList } from './utils/CircularList';
   9 import { SelectionManager } from './SelectionManager';
  10 import { SelectionModel } from './SelectionModel';
  11 import {BufferSet} from './BufferSet';
  12
  13 class TestSelectionManager extends SelectionManager {
  14   constructor(
  15     terminal: ITerminal,
  16     buffer: CircularList<any>,
  17     rowContainer: HTMLElement,
  18     charMeasure: CharMeasure
  19   ) {
  20     super(terminal, buffer, rowContainer, charMeasure);
  21   }
  22
  23   public get model(): SelectionModel { return this._model; }
  24
  25   public selectLineAt(line: number): void { this._selectLineAt(line); }
  26   public selectWordAt(coords: [number, number]): void { this._selectWordAt(coords); }
  27
  28   // Disable DOM interaction
  29   public enable(): void {}
  30   public disable(): void {}
  31   public refresh(): void {}
  32 }
  33
  34 describe('SelectionManager', () => {
  35   let dom: jsdom.JSDOM;
  36   let window: Window;
  37   let document: Document;
  38
  39   let terminal: ITerminal;
  40   let buffer: CircularList<any>;
  41   let rowContainer: HTMLElement;
  42   let selectionManager: TestSelectionManager;
  43
  44 <<<<<<< HEAD
  45   beforeEach(() => {
  46     dom = new jsdom.JSDOM('');
  47     window = dom.window;
  48     document = window.document
  49     terminal = <any>{ cols: 80, rows: 2 };
  50     terminal.scrollback = 100;
  51     terminal.buffers = new BufferSet(terminal);
  52     terminal.buffer = terminal.buffers.active;
  53     selectionManager = new TestSelectionManager(terminal, buffer, rowContainer, null);
  54 =======
  55   beforeEach(done => {
  56     jsdom.env('', (err, w) => {
  57       window = w;
  58       document = window.document;
  59       buffer = new CircularList<any>(100);
  60       terminal = <any>{ cols: 80, rows: 2 };
  61       terminal.scrollback = 10;
  62       terminal.buffers = new BufferSet(terminal);
  63       terminal.buffer = terminal.buffers.active;
  64
  65       selectionManager = new TestSelectionManager(terminal, buffer, rowContainer, null);
  66       done();
  67     });
  68 >>>>>>> Fix some tests and docs, little code fix up.
  69   });
  70
  71   function stringToRow(text: string): [number, string, number][] {
  72     let result: [number, string, number][] = [];
  73     for (let i = 0; i < text.length; i++) {
  74       result.push([0, text.charAt(i), 1]);
  75     }
  76     return result;
  77   }
  78
  79   describe('_selectWordAt', () => {
  80     it('should expand selection for normal width chars', () => {
  81       buffer.push(stringToRow('foo bar'));
  82       selectionManager.selectWordAt([0, 0]);
  83       assert.equal(selectionManager.selectionText, 'foo');
  84       selectionManager.selectWordAt([1, 0]);
  85       assert.equal(selectionManager.selectionText, 'foo');
  86       selectionManager.selectWordAt([2, 0]);
  87       assert.equal(selectionManager.selectionText, 'foo');
  88       selectionManager.selectWordAt([3, 0]);
  89       assert.equal(selectionManager.selectionText, ' ');
  90       selectionManager.selectWordAt([4, 0]);
  91       assert.equal(selectionManager.selectionText, 'bar');
  92       selectionManager.selectWordAt([5, 0]);
  93       assert.equal(selectionManager.selectionText, 'bar');
  94       selectionManager.selectWordAt([6, 0]);
  95       assert.equal(selectionManager.selectionText, 'bar');
  96     });
  97     it('should expand selection for whitespace', () => {
  98       buffer.push(stringToRow('a   b'));
  99       selectionManager.selectWordAt([0, 0]);
 100       assert.equal(selectionManager.selectionText, 'a');
 101       selectionManager.selectWordAt([1, 0]);
 102       assert.equal(selectionManager.selectionText, '   ');
 103       selectionManager.selectWordAt([2, 0]);
 104       assert.equal(selectionManager.selectionText, '   ');
 105       selectionManager.selectWordAt([3, 0]);
 106       assert.equal(selectionManager.selectionText, '   ');
 107       selectionManager.selectWordAt([4, 0]);
 108       assert.equal(selectionManager.selectionText, 'b');
 109     });
 110     it('should expand selection for wide characters', () => {
 111       // Wide characters use a special format
 112       buffer.push([
 113         [null, '中', 2],
 114         [null, '', 0],
 115         [null, '文', 2],
 116         [null, '', 0],
 117         [null, ' ', 1],
 118         [null, 'a', 1],
 119         [null, '中', 2],
 120         [null, '', 0],
 121         [null, '文', 2],
 122         [null, '', 0],
 123         [null, 'b', 1],
 124         [null, ' ', 1],
 125         [null, 'f', 1],
 126         [null, 'o', 1],
 127         [null, 'o', 1]
 128       ]);
 129       // Ensure wide characters take up 2 columns
 130       selectionManager.selectWordAt([0, 0]);
 131       assert.equal(selectionManager.selectionText, '中文');
 132       selectionManager.selectWordAt([1, 0]);
 133       assert.equal(selectionManager.selectionText, '中文');
 134       selectionManager.selectWordAt([2, 0]);
 135       assert.equal(selectionManager.selectionText, '中文');
 136       selectionManager.selectWordAt([3, 0]);
 137       assert.equal(selectionManager.selectionText, '中文');
 138       selectionManager.selectWordAt([4, 0]);
 139       assert.equal(selectionManager.selectionText, ' ');
 140       // Ensure wide characters work when wrapped in normal width characters
 141       selectionManager.selectWordAt([5, 0]);
 142       assert.equal(selectionManager.selectionText, 'a中文b');
 143       selectionManager.selectWordAt([6, 0]);
 144       assert.equal(selectionManager.selectionText, 'a中文b');
 145       selectionManager.selectWordAt([7, 0]);
 146       assert.equal(selectionManager.selectionText, 'a中文b');
 147       selectionManager.selectWordAt([8, 0]);
 148       assert.equal(selectionManager.selectionText, 'a中文b');
 149       selectionManager.selectWordAt([9, 0]);
 150       assert.equal(selectionManager.selectionText, 'a中文b');
 151       selectionManager.selectWordAt([10, 0]);
 152       assert.equal(selectionManager.selectionText, 'a中文b');
 153       selectionManager.selectWordAt([11, 0]);
 154       assert.equal(selectionManager.selectionText, ' ');
 155       // Ensure normal width characters work fine in a line containing wide characters
 156       selectionManager.selectWordAt([12, 0]);
 157       assert.equal(selectionManager.selectionText, 'foo');
 158       selectionManager.selectWordAt([13, 0]);
 159       assert.equal(selectionManager.selectionText, 'foo');
 160       selectionManager.selectWordAt([14, 0]);
 161       assert.equal(selectionManager.selectionText, 'foo');
 162     });
 163     it('should select up to non-path characters that are commonly adjacent to paths', () => {
 164       buffer.push(stringToRow('(cd)[ef]{gh}\'ij"'));
 165       selectionManager.selectWordAt([0, 0]);
 166       assert.equal(selectionManager.selectionText, '(cd');
 167       selectionManager.selectWordAt([1, 0]);
 168       assert.equal(selectionManager.selectionText, 'cd');
 169       selectionManager.selectWordAt([2, 0]);
 170       assert.equal(selectionManager.selectionText, 'cd');
 171       selectionManager.selectWordAt([3, 0]);
 172       assert.equal(selectionManager.selectionText, 'cd)');
 173       selectionManager.selectWordAt([4, 0]);
 174       assert.equal(selectionManager.selectionText, '[ef');
 175       selectionManager.selectWordAt([5, 0]);
 176       assert.equal(selectionManager.selectionText, 'ef');
 177       selectionManager.selectWordAt([6, 0]);
 178       assert.equal(selectionManager.selectionText, 'ef');
 179       selectionManager.selectWordAt([7, 0]);
 180       assert.equal(selectionManager.selectionText, 'ef]');
 181       selectionManager.selectWordAt([8, 0]);
 182       assert.equal(selectionManager.selectionText, '{gh');
 183       selectionManager.selectWordAt([9, 0]);
 184       assert.equal(selectionManager.selectionText, 'gh');
 185       selectionManager.selectWordAt([10, 0]);
 186       assert.equal(selectionManager.selectionText, 'gh');
 187       selectionManager.selectWordAt([11, 0]);
 188       assert.equal(selectionManager.selectionText, 'gh}');
 189       selectionManager.selectWordAt([12, 0]);
 190       assert.equal(selectionManager.selectionText, '\'ij');
 191       selectionManager.selectWordAt([13, 0]);
 192       assert.equal(selectionManager.selectionText, 'ij');
 193       selectionManager.selectWordAt([14, 0]);
 194       assert.equal(selectionManager.selectionText, 'ij');
 195       selectionManager.selectWordAt([15, 0]);
 196       assert.equal(selectionManager.selectionText, 'ij"');
 197     });
 198   });
 199
 200   describe('_selectLineAt', () => {
 201     it('should select the entire line', () => {
 202       buffer.push(stringToRow('foo bar'));
 203       selectionManager.selectLineAt(0);
 204       assert.equal(selectionManager.selectionText, 'foo bar', 'The selected text is correct');
 205       assert.deepEqual(selectionManager.model.finalSelectionStart, [0, 0]);
 206       assert.deepEqual(selectionManager.model.finalSelectionEnd, [terminal.cols, 0], 'The actual selection spans the entire column');
 207     });
 208   });
 209
 210   describe('selectAll', () => {
 211     it('should select the entire buffer, beyond the viewport', () => {
 212       buffer.push(stringToRow('1'));
 213       buffer.push(stringToRow('2'));
 214       buffer.push(stringToRow('3'));
 215       buffer.push(stringToRow('4'));
 216       buffer.push(stringToRow('5'));
 217       selectionManager.selectAll();
 218       terminal.buffer.ybase = buffer.length - terminal.rows;
 219       assert.equal(selectionManager.selectionText, '1\n2\n3\n4\n5');
 220     });
 221   });
 222
 223   describe('hasSelection', () => {
 224     it('should return whether there is a selection', () => {
 225       selectionManager.model.selectionStart = [0, 0];
 226       selectionManager.model.selectionStartLength = 0;
 227       assert.equal(selectionManager.hasSelection, false);
 228       selectionManager.model.selectionEnd = [0, 0];
 229       assert.equal(selectionManager.hasSelection, false);
 230       selectionManager.model.selectionEnd = [1, 0];
 231       assert.equal(selectionManager.hasSelection, true);
 232       selectionManager.model.selectionEnd = [0, 1];
 233       assert.equal(selectionManager.hasSelection, true);
 234       selectionManager.model.selectionEnd = [1, 1];
 235       assert.equal(selectionManager.hasSelection, true);
 236     });
 237   });
 238 });