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Keyboard Handling [3/8]: Add unit tests for new keyboard handling
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Relies on the libraries chai and mocha (available via npm from Node.JS).

Add anything installed via npm to the .gitignore file.
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@DirectXMan12
jalf authored and DirectXMan12 committed Dec 5, 2013
1 parent 4ef7566 commit f00b6fb
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1 change: 1 addition & 0 deletions .gitignore
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*.o
tests/data_*.js
utils/rebind.so
node_modules
29 changes: 29 additions & 0 deletions tests/keyboard-tests.html
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Mocha Tests</title>
<link rel="stylesheet" href="node_modules/mocha/mocha.css" />
</head>
<body>
<!--
To run tests
cd .../noVNC/tests
npm install chai mocha
open keyboard-tests.html in a browser
-->
<div id="mocha"></div>
<script src="node_modules/chai/chai.js"></script>
<script src="node_modules/mocha/mocha.js"></script>
<script>mocha.setup('bdd')</script>
<script src="../include/keysymdef.js"></script>
<script src="../include/keyboard.js"></script>
<script src="test.keyboard.js"></script>
<script src="test.helper.js"></script>
<script>
mocha.checkLeaks();
mocha.globals(['navigator']);
mocha.run();
</script>
</body>
</html>
237 changes: 237 additions & 0 deletions tests/test.helper.js
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var assert = chai.assert;
var expect = chai.expect;

describe('Helpers', function() {
"use strict";
describe('keysymFromKeyCode', function() {
it('should map known keycodes to keysyms', function() {
expect(kbdUtil.keysymFromKeyCode(0x41, false), 'a').to.be.equal(0x61);
expect(kbdUtil.keysymFromKeyCode(0x41, true), 'A').to.be.equal(0x41);
expect(kbdUtil.keysymFromKeyCode(0xd, false), 'enter').to.be.equal(0xFF0D);
expect(kbdUtil.keysymFromKeyCode(0x11, false), 'ctrl').to.be.equal(0xFFE3);
expect(kbdUtil.keysymFromKeyCode(0x12, false), 'alt').to.be.equal(0xFFE9);
expect(kbdUtil.keysymFromKeyCode(0xe1, false), 'altgr').to.be.equal(0xFE03);
expect(kbdUtil.keysymFromKeyCode(0x1b, false), 'esc').to.be.equal(0xFF1B);
expect(kbdUtil.keysymFromKeyCode(0x26, false), 'up').to.be.equal(0xFF52);
});
it('should return null for unknown keycodes', function() {
expect(kbdUtil.keysymFromKeyCode(0xc0, false), 'DK æ').to.be.null;
expect(kbdUtil.keysymFromKeyCode(0xde, false), 'DK ø').to.be.null;
});
});

describe('keysyms.fromUnicode', function() {
it('should map ASCII characters to keysyms', function() {
expect(keysyms.fromUnicode('a'.charCodeAt())).to.have.property('keysym', 0x61);
expect(keysyms.fromUnicode('A'.charCodeAt())).to.have.property('keysym', 0x41);
});
it('should map Latin-1 characters to keysyms', function() {
expect(keysyms.fromUnicode('ø'.charCodeAt())).to.have.property('keysym', 0xf8);

expect(keysyms.fromUnicode('é'.charCodeAt())).to.have.property('keysym', 0xe9);
});
it('should map characters that are in Windows-1252 but not in Latin-1 to keysyms', function() {
expect(keysyms.fromUnicode('Š'.charCodeAt())).to.have.property('keysym', 0x01a9);
});
it('should map characters which aren\'t in Latin1 *or* Windows-1252 to keysyms', function() {
expect(keysyms.fromUnicode('ŵ'.charCodeAt())).to.have.property('keysym', 0x1000175);
});
it('should return undefined for unknown codepoints', function() {
expect(keysyms.fromUnicode('\n'.charCodeAt())).to.be.undefined;
expect(keysyms.fromUnicode('\u1F686'.charCodeAt())).to.be.undefined;
});
});

describe('nonCharacterKey', function() {
it('should recognize the right keys', function() {
expect(kbdUtil.nonCharacterKey({keyCode: 0xd}), 'enter').to.be.defined;
expect(kbdUtil.nonCharacterKey({keyCode: 0x08}), 'backspace').to.be.defined;
expect(kbdUtil.nonCharacterKey({keyCode: 0x09}), 'tab').to.be.defined;
expect(kbdUtil.nonCharacterKey({keyCode: 0x10}), 'shift').to.be.defined;
expect(kbdUtil.nonCharacterKey({keyCode: 0x11}), 'ctrl').to.be.defined;
expect(kbdUtil.nonCharacterKey({keyCode: 0x12}), 'alt').to.be.defined;
expect(kbdUtil.nonCharacterKey({keyCode: 0xe0}), 'meta').to.be.defined;
});
it('should not recognize character keys', function() {
expect(kbdUtil.nonCharacterKey({keyCode: 'A'}), 'A').to.be.null;
expect(kbdUtil.nonCharacterKey({keyCode: '1'}), '1').to.be.null;
expect(kbdUtil.nonCharacterKey({keyCode: '.'}), '.').to.be.null;
expect(kbdUtil.nonCharacterKey({keyCode: ' '}), 'space').to.be.null;
});
});

describe('getKeysym', function() {
it('should prefer char', function() {
expect(kbdUtil.getKeysym({char : 'a', charCode: 'Š'.charCodeAt(), keyCode: 0x42, which: 0x43})).to.have.property('keysym', 0x61);
});
it('should use charCode if no char', function() {
expect(kbdUtil.getKeysym({char : '', charCode: 'Š'.charCodeAt(), keyCode: 0x42, which: 0x43})).to.have.property('keysym', 0x01a9);
expect(kbdUtil.getKeysym({charCode: 'Š'.charCodeAt(), keyCode: 0x42, which: 0x43})).to.have.property('keysym', 0x01a9);
expect(kbdUtil.getKeysym({char : 'hello', charCode: 'Š'.charCodeAt(), keyCode: 0x42, which: 0x43})).to.have.property('keysym', 0x01a9);
});
it('should use keyCode if no charCode', function() {
expect(kbdUtil.getKeysym({keyCode: 0x42, which: 0x43, shiftKey: false})).to.have.property('keysym', 0x62);
expect(kbdUtil.getKeysym({keyCode: 0x42, which: 0x43, shiftKey: true})).to.have.property('keysym', 0x42);
});
it('should use which if no keyCode', function() {
expect(kbdUtil.getKeysym({which: 0x43, shiftKey: false})).to.have.property('keysym', 0x63);
expect(kbdUtil.getKeysym({which: 0x43, shiftKey: true})).to.have.property('keysym', 0x43);
});
});

describe('Modifier Sync', function() { // return a list of fake events necessary to fix modifier state
describe('Toggle all modifiers', function() {
var sync = kbdUtil.ModifierSync();
it ('should do nothing if all modifiers are up as expected', function() {
expect(sync.keydown({
keyCode: 0x41,
ctrlKey: false,
altKey: false,
altGraphKey: false,
shiftKey: false,
metaKey: false})
).to.have.lengthOf(0);
});
it ('should synthesize events if all keys are unexpectedly down', function() {
var result = sync.keydown({
keyCode: 0x41,
ctrlKey: true,
altKey: true,
altGraphKey: true,
shiftKey: true,
metaKey: true
});
expect(result).to.have.lengthOf(5);
var keysyms = {};
for (var i = 0; i < result.length; ++i) {
keysyms[result[i].keysym] = (result[i].type == 'keydown');
}
expect(keysyms[0xffe3]);
expect(keysyms[0xffe9]);
expect(keysyms[0xfe03]);
expect(keysyms[0xffe1]);
expect(keysyms[0xffe7]);
});
it ('should do nothing if all modifiers are down as expected', function() {
expect(sync.keydown({
keyCode: 0x41,
ctrlKey: true,
altKey: true,
altGraphKey: true,
shiftKey: true,
metaKey: true
})).to.have.lengthOf(0);
});
});
describe('Toggle Ctrl', function() {
var sync = kbdUtil.ModifierSync();
it('should sync if modifier is suddenly down', function() {
expect(sync.keydown({
keyCode: 0x41,
ctrlKey: true,
})).to.be.deep.equal([{keysym: keysyms.lookup(0xffe3), type: 'keydown'}]);
});
it('should sync if modifier is suddenly up', function() {
expect(sync.keydown({
keyCode: 0x41,
ctrlKey: false
})).to.be.deep.equal([{keysym: keysyms.lookup(0xffe3), type: 'keyup'}]);
});
});
describe('Toggle Alt', function() {
var sync = kbdUtil.ModifierSync();
it('should sync if modifier is suddenly down', function() {
expect(sync.keydown({
keyCode: 0x41,
altKey: true,
})).to.be.deep.equal([{keysym: keysyms.lookup(0xffe9), type: 'keydown'}]);
});
it('should sync if modifier is suddenly up', function() {
expect(sync.keydown({
keyCode: 0x41,
altKey: false
})).to.be.deep.equal([{keysym: keysyms.lookup(0xffe9), type: 'keyup'}]);
});
});
describe('Toggle AltGr', function() {
var sync = kbdUtil.ModifierSync();
it('should sync if modifier is suddenly down', function() {
expect(sync.keydown({
keyCode: 0x41,
altGraphKey: true,
})).to.be.deep.equal([{keysym: keysyms.lookup(0xfe03), type: 'keydown'}]);
});
it('should sync if modifier is suddenly up', function() {
expect(sync.keydown({
keyCode: 0x41,
altGraphKey: false
})).to.be.deep.equal([{keysym: keysyms.lookup(0xfe03), type: 'keyup'}]);
});
});
describe('Toggle Shift', function() {
var sync = kbdUtil.ModifierSync();
it('should sync if modifier is suddenly down', function() {
expect(sync.keydown({
keyCode: 0x41,
shiftKey: true,
})).to.be.deep.equal([{keysym: keysyms.lookup(0xffe1), type: 'keydown'}]);
});
it('should sync if modifier is suddenly up', function() {
expect(sync.keydown({
keyCode: 0x41,
shiftKey: false
})).to.be.deep.equal([{keysym: keysyms.lookup(0xffe1), type: 'keyup'}]);
});
});
describe('Toggle Meta', function() {
var sync = kbdUtil.ModifierSync();
it('should sync if modifier is suddenly down', function() {
expect(sync.keydown({
keyCode: 0x41,
metaKey: true,
})).to.be.deep.equal([{keysym: keysyms.lookup(0xffe7), type: 'keydown'}]);
});
it('should sync if modifier is suddenly up', function() {
expect(sync.keydown({
keyCode: 0x41,
metaKey: false
})).to.be.deep.equal([{keysym: keysyms.lookup(0xffe7), type: 'keyup'}]);
});
});
describe('Modifier keyevents', function() {
it('should not sync a modifier on its own events', function() {
expect(kbdUtil.ModifierSync().keydown({
keyCode: 0x11,
ctrlKey: false
})).to.be.deep.equal([]);
expect(kbdUtil.ModifierSync().keydown({
keyCode: 0x11,
ctrlKey: true
}), 'B').to.be.deep.equal([]);
})
it('should update state on modifier keyevents', function() {
var sync = kbdUtil.ModifierSync();
sync.keydown({
keyCode: 0x11,
});
expect(sync.keydown({
keyCode: 0x41,
ctrlKey: true,
})).to.be.deep.equal([]);
});
it('should sync other modifiers on ctrl events', function() {
expect(kbdUtil.ModifierSync().keydown({
keyCode: 0x11,
altKey: true
})).to.be.deep.equal([{keysym: keysyms.lookup(0xffe9), type: 'keydown'}]);
})
});
describe('sync modifiers on non-key events', function() {
it('should generate sync events when receiving non-keyboard events', function() {
expect(kbdUtil.ModifierSync().syncAny({
altKey: true
})).to.be.deep.equal([{keysym: keysyms.lookup(0xffe9), type: 'keydown'}]);
});
});
});
});
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