tests/test.helper.js

   1 var assert = chai.assert;
   2 var expect = chai.expect;
   3
   4 import keysyms from '../core/input/keysymdef.js';
   5 import * as KeyboardUtil from "../core/input/util.js";
   6
   7 describe('Helpers', function() {
   8     "use strict";
   9     describe('keysymFromKeyCode', function() {
  10         it('should map known keycodes to keysyms', function() {
  11             expect(KeyboardUtil.keysymFromKeyCode(0x41, false), 'a').to.be.equal(0x61);
  12             expect(KeyboardUtil.keysymFromKeyCode(0x41, true), 'A').to.be.equal(0x41);
  13             expect(KeyboardUtil.keysymFromKeyCode(0xd, false), 'enter').to.be.equal(0xFF0D);
  14             expect(KeyboardUtil.keysymFromKeyCode(0x11, false), 'ctrl').to.be.equal(0xFFE3);
  15             expect(KeyboardUtil.keysymFromKeyCode(0x12, false), 'alt').to.be.equal(0xFFE9);
  16             expect(KeyboardUtil.keysymFromKeyCode(0xe1, false), 'altgr').to.be.equal(0xFE03);
  17             expect(KeyboardUtil.keysymFromKeyCode(0x1b, false), 'esc').to.be.equal(0xFF1B);
  18             expect(KeyboardUtil.keysymFromKeyCode(0x26, false), 'up').to.be.equal(0xFF52);
  19         });
  20         it('should return null for unknown keycodes', function() {
  21             expect(KeyboardUtil.keysymFromKeyCode(0xc0, false), 'DK æ').to.be.null;
  22             expect(KeyboardUtil.keysymFromKeyCode(0xde, false), 'DK ø').to.be.null;
  23         });
  24     });
  25
  26     describe('keysyms.lookup', function() {
  27         it('should map ASCII characters to keysyms', function() {
  28             expect(keysyms.lookup('a'.charCodeAt())).to.be.equal(0x61);
  29             expect(keysyms.lookup('A'.charCodeAt())).to.be.equal(0x41);
  30             });
  31         it('should map Latin-1 characters to keysyms', function() {
  32             expect(keysyms.lookup('ø'.charCodeAt())).to.be.equal(0xf8);
  33
  34             expect(keysyms.lookup('é'.charCodeAt())).to.be.equal(0xe9);
  35         });
  36         it('should map characters that are in Windows-1252 but not in Latin-1 to keysyms', function() {
  37             expect(keysyms.lookup('Š'.charCodeAt())).to.be.equal(0x01a9);
  38         });
  39         it('should map characters which aren\'t in Latin1 *or* Windows-1252 to keysyms', function() {
  40             expect(keysyms.lookup('ũ'.charCodeAt())).to.be.equal(0x03fd);
  41         });
  42         it('should map unknown codepoints to the Unicode range', function() {
  43             expect(keysyms.lookup('\n'.charCodeAt())).to.be.equal(0x100000a);
  44             expect(keysyms.lookup('\u262D'.charCodeAt())).to.be.equal(0x100262d);
  45         });
  46         // This requires very recent versions of most browsers... skipping for now
  47         it.skip('should map UCS-4 codepoints to the Unicode range', function() {
  48             //expect(keysyms.lookup('\u{1F686}'.codePointAt())).to.be.equal(0x101f686);
  49         });
  50     });
  51
  52     describe('nonCharacterKey', function() {
  53         it('should  recognize the right keys', function() {
  54             expect(KeyboardUtil.nonCharacterKey({keyCode: 0xd}), 'enter').to.be.defined;
  55             expect(KeyboardUtil.nonCharacterKey({keyCode: 0x08}), 'backspace').to.be.defined;
  56             expect(KeyboardUtil.nonCharacterKey({keyCode: 0x09}), 'tab').to.be.defined;
  57             expect(KeyboardUtil.nonCharacterKey({keyCode: 0x10}), 'shift').to.be.defined;
  58             expect(KeyboardUtil.nonCharacterKey({keyCode: 0x11}), 'ctrl').to.be.defined;
  59             expect(KeyboardUtil.nonCharacterKey({keyCode: 0x12}), 'alt').to.be.defined;
  60             expect(KeyboardUtil.nonCharacterKey({keyCode: 0xe0}), 'meta').to.be.defined;
  61         });
  62         it('should  not recognize character keys', function() {
  63             expect(KeyboardUtil.nonCharacterKey({keyCode: 'A'}), 'A').to.be.null;
  64             expect(KeyboardUtil.nonCharacterKey({keyCode: '1'}), '1').to.be.null;
  65             expect(KeyboardUtil.nonCharacterKey({keyCode: '.'}), '.').to.be.null;
  66             expect(KeyboardUtil.nonCharacterKey({keyCode: ' '}), 'space').to.be.null;
  67         });
  68     });
  69
  70     describe('getKeysym', function() {
  71         it('should prefer char', function() {
  72             expect(KeyboardUtil.getKeysym({char : 'a', charCode: 'Š'.charCodeAt(), keyCode: 0x42, which: 0x43})).to.be.equal(0x61);
  73         });
  74         it('should use charCode if no char', function() {
  75             expect(KeyboardUtil.getKeysym({char : '', charCode: 'Š'.charCodeAt(), keyCode: 0x42, which: 0x43})).to.be.equal(0x01a9);
  76             expect(KeyboardUtil.getKeysym({charCode: 'Š'.charCodeAt(), keyCode: 0x42, which: 0x43})).to.be.equal(0x01a9);
  77             expect(KeyboardUtil.getKeysym({char : 'hello', charCode: 'Š'.charCodeAt(), keyCode: 0x42, which: 0x43})).to.be.equal(0x01a9);
  78         });
  79         it('should use keyCode if no charCode', function() {
  80             expect(KeyboardUtil.getKeysym({keyCode: 0x42, which: 0x43, shiftKey: false})).to.be.equal(0x62);
  81             expect(KeyboardUtil.getKeysym({keyCode: 0x42, which: 0x43, shiftKey: true})).to.be.equal(0x42);
  82         });
  83         it('should use which if no keyCode', function() {
  84             expect(KeyboardUtil.getKeysym({which: 0x43, shiftKey: false})).to.be.equal(0x63);
  85             expect(KeyboardUtil.getKeysym({which: 0x43, shiftKey: true})).to.be.equal(0x43);
  86         });
  87     });
  88
  89     describe('Modifier Sync', function() { // return a list of fake events necessary to fix modifier state
  90         describe('Toggle all modifiers', function() {
  91             var sync = KeyboardUtil.ModifierSync();
  92             it ('should do nothing if all modifiers are up as expected', function() {
  93                 expect(sync.keydown({
  94                     keyCode: 0x41,
  95                     ctrlKey: false,
  96                     altKey: false,
  97                     altGraphKey: false,
  98                     shiftKey: false,
  99                     metaKey: false})
 100                     ).to.have.lengthOf(0);
 101             });
 102             it ('should synthesize events if all keys are unexpectedly down', function() {
 103                 var result = sync.keydown({
 104                     keyCode: 0x41,
 105                     ctrlKey: true,
 106                     altKey: true,
 107                     altGraphKey: true,
 108                     shiftKey: true,
 109                     metaKey: true
 110                 });
 111                 expect(result).to.have.lengthOf(5);
 112                 var keysyms = {};
 113                 for (var i = 0; i < result.length; ++i) {
 114                     keysyms[result[i].keysym] = (result[i].type == 'keydown');
 115                 }
 116                 expect(keysyms[0xffe3]);
 117                 expect(keysyms[0xffe9]);
 118                 expect(keysyms[0xfe03]);
 119                 expect(keysyms[0xffe1]);
 120                 expect(keysyms[0xffe7]);
 121             });
 122             it ('should do nothing if all modifiers are down as expected', function() {
 123                 expect(sync.keydown({
 124                     keyCode: 0x41,
 125                     ctrlKey: true,
 126                     altKey: true,
 127                     altGraphKey: true,
 128                     shiftKey: true,
 129                     metaKey: true
 130                     })).to.have.lengthOf(0);
 131             });
 132         });
 133         describe('Toggle Ctrl', function() {
 134             var sync = KeyboardUtil.ModifierSync();
 135             it('should sync if modifier is suddenly down', function() {
 136                 expect(sync.keydown({
 137                     keyCode: 0x41,
 138                     ctrlKey: true,
 139                 })).to.be.deep.equal([{keysym: 0xffe3, type: 'keydown'}]);
 140             });
 141             it('should sync if modifier is suddenly up', function() {
 142                 expect(sync.keydown({
 143                     keyCode: 0x41,
 144                     ctrlKey: false
 145                 })).to.be.deep.equal([{keysym: 0xffe3, type: 'keyup'}]);
 146             });
 147         });
 148         describe('Toggle Alt', function() {
 149             var sync = KeyboardUtil.ModifierSync();
 150             it('should sync if modifier is suddenly down', function() {
 151                 expect(sync.keydown({
 152                     keyCode: 0x41,
 153                     altKey: true,
 154                 })).to.be.deep.equal([{keysym: 0xffe9, type: 'keydown'}]);
 155             });
 156             it('should sync if modifier is suddenly up', function() {
 157                 expect(sync.keydown({
 158                     keyCode: 0x41,
 159                     altKey: false
 160                 })).to.be.deep.equal([{keysym: 0xffe9, type: 'keyup'}]);
 161             });
 162         });
 163         describe('Toggle AltGr', function() {
 164             var sync = KeyboardUtil.ModifierSync();
 165             it('should sync if modifier is suddenly down', function() {
 166                 expect(sync.keydown({
 167                     keyCode: 0x41,
 168                     altGraphKey: true,
 169                 })).to.be.deep.equal([{keysym: 0xfe03, type: 'keydown'}]);
 170             });
 171             it('should sync if modifier is suddenly up', function() {
 172                 expect(sync.keydown({
 173                     keyCode: 0x41,
 174                     altGraphKey: false
 175                 })).to.be.deep.equal([{keysym: 0xfe03, type: 'keyup'}]);
 176             });
 177         });
 178         describe('Toggle Shift', function() {
 179             var sync = KeyboardUtil.ModifierSync();
 180             it('should sync if modifier is suddenly down', function() {
 181                 expect(sync.keydown({
 182                     keyCode: 0x41,
 183                     shiftKey: true,
 184                 })).to.be.deep.equal([{keysym: 0xffe1, type: 'keydown'}]);
 185             });
 186             it('should sync if modifier is suddenly up', function() {
 187                 expect(sync.keydown({
 188                     keyCode: 0x41,
 189                     shiftKey: false
 190                 })).to.be.deep.equal([{keysym: 0xffe1, type: 'keyup'}]);
 191             });
 192         });
 193         describe('Toggle Meta', function() {
 194             var sync = KeyboardUtil.ModifierSync();
 195             it('should sync if modifier is suddenly down', function() {
 196                 expect(sync.keydown({
 197                     keyCode: 0x41,
 198                     metaKey: true,
 199                 })).to.be.deep.equal([{keysym: 0xffe7, type: 'keydown'}]);
 200             });
 201             it('should sync if modifier is suddenly up', function() {
 202                 expect(sync.keydown({
 203                     keyCode: 0x41,
 204                     metaKey: false
 205                 })).to.be.deep.equal([{keysym: 0xffe7, type: 'keyup'}]);
 206             });
 207         });
 208         describe('Modifier keyevents', function() {
 209             it('should not sync a modifier on its own events', function() {
 210                 expect(KeyboardUtil.ModifierSync().keydown({
 211                     keyCode: 0x11,
 212                     ctrlKey: false
 213                 })).to.be.deep.equal([]);
 214                 expect(KeyboardUtil.ModifierSync().keydown({
 215                     keyCode: 0x11,
 216                     ctrlKey: true
 217                 }), 'B').to.be.deep.equal([]);
 218             })
 219             it('should update state on modifier keyevents', function() {
 220                 var sync = KeyboardUtil.ModifierSync();
 221                 sync.keydown({
 222                     keyCode: 0x11,
 223                 });
 224                 expect(sync.keydown({
 225                     keyCode: 0x41,
 226                     ctrlKey: true,
 227                 })).to.be.deep.equal([]);
 228             });
 229             it('should sync other modifiers on ctrl events', function() {
 230                 expect(KeyboardUtil.ModifierSync().keydown({
 231                     keyCode: 0x11,
 232                     altKey: true
 233                 })).to.be.deep.equal([{keysym: 0xffe9, type: 'keydown'}]);
 234             })
 235         });
 236         describe('sync modifiers on non-key events', function() {
 237             it('should generate sync events when receiving non-keyboard events', function() {
 238                 expect(KeyboardUtil.ModifierSync().syncAny({
 239                     altKey: true
 240                 })).to.be.deep.equal([{keysym: 0xffe9, type: 'keydown'}]);
 241             });
 242         });
 243         describe('do not treat shift as a modifier key', function() {
 244             it('should not treat shift as a shortcut modifier', function() {
 245                 expect(KeyboardUtil.hasShortcutModifier([], {0xffe1 : true})).to.be.false;
 246             });
 247             it('should not treat shift as a char modifier', function() {
 248                 expect(KeyboardUtil.hasCharModifier([], {0xffe1 : true})).to.be.false;
 249             });
 250         });
 251     });
 252 });