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Commit f00b6fb6 authored by jalf's avatar jalf Committed by Solly Ross
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Keyboard Handling [3/8]: Add unit tests for new keyboard handling 

Relies on the libraries chai and mocha (available via npm from Node.JS).

Add anything installed via npm to the .gitignore file.
parent 4ef7566b
master feature/ikvm-support feature/more-perf-improvements feature/new-zlib-impl novnc-legacy refactor/modularized tests/travis-container tests/update-deps tmp-branch/throw-error-on-error v0.5.1 v0.5
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...@@ -2,3 +2,4 @@ ...@@ -2,3 +2,4 @@
*.o *.o
tests/data_*.js tests/data_*.js
utils/rebind.so utils/rebind.so
node_modules
tests/keyboard-tests.html 0 → 100644
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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>
tests/test.helper.js 0 → 100644
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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'}]);
});
});
});
});
tests/test.keyboard.js 0 → 100644
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var assert = chai.assert;
var expect = chai.expect;
describe('Key Event Pipeline Stages', function() {
"use strict";
describe('Decode Keyboard Events', function() {
it('should pass events to the next stage', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.an.object;
done();
}).keydown({keyCode: 0x41});
});
it('should pass the right keysym through', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt.keysym).to.be.deep.equal(keysyms.lookup(0x61));
done();
}).keypress({keyCode: 0x41});
});
it('should pass the right keyid through', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.have.property('keyId', 0x41);
done();
}).keydown({keyCode: 0x41});
});
it('should not sync modifiers on a keypress', function() {
// Firefox provides unreliable modifier state on keypress events
var count = 0;
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
++count;
}).keypress({keyCode: 0x41, ctrlKey: true});
expect(count).to.be.equal(1);
});
it('should sync modifiers if necessary', function(done) {
var count = 0;
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
switch (count) {
case 0: // fake a ctrl keydown
expect(evt).to.be.deep.equal({keysym: keysyms.lookup(0xffe3), type: 'keydown'});
++count;
break;
case 1:
expect(evt).to.be.deep.equal({keyId: 0x41, type: 'keydown', keysym: keysyms.lookup(0x61)});
done();
break;
}
}).keydown({keyCode: 0x41, ctrlKey: true});
});
it('should forward keydown events with the right type', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, type: 'keydown'});
done();
}).keydown({keyCode: 0x41})
});
it('should forward keyup events with the right type', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keyup'});
done();
}).keyup({keyCode: 0x41});
});
it('should forward keypress events with the right type', function(done) {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keypress'});
done();
}).keypress({keyCode: 0x41});
});
it('should generate stalls if a char modifier is down while a key is pressed', function(done) {
var count = 0;
KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {
switch (count) {
case 0: // fake altgr
expect(evt).to.be.deep.equal({keysym: keysyms.lookup(0xfe03), type: 'keydown'});
++count;
break;
case 1: // stall before processing the 'a' keydown
expect(evt).to.be.deep.equal({type: 'stall'});
++count;
break;
case 2: // 'a'
expect(evt).to.be.deep.equal({
type: 'keydown',
keyId: 0x41,
keysym: keysyms.lookup(0x61)
});
done();
break;
}
}).keydown({keyCode: 0x41, altGraphKey: true});
});
describe('suppress the right events at the right time', function() {
it('should suppress anything while a shortcut modifier is down', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {});
obj.keydown({keyCode: 0x11}); // press ctrl
expect(obj.keydown({keyCode: 'A'.charCodeAt()})).to.be.true;
expect(obj.keydown({keyCode: ' '.charCodeAt()})).to.be.true;
expect(obj.keydown({keyCode: '1'.charCodeAt()})).to.be.true;
expect(obj.keydown({keyCode: 0x3c})).to.be.true; // < key on DK Windows
expect(obj.keydown({keyCode: 0xde})).to.be.true; // Ø key on DK
});
it('should suppress non-character keys', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {});
expect(obj.keydown({keyCode: 0x08}), 'a').to.be.true;
expect(obj.keydown({keyCode: 0x09}), 'b').to.be.true;
expect(obj.keydown({keyCode: 0x11}), 'd').to.be.true;
expect(obj.keydown({keyCode: 0x12}), 'e').to.be.true;
});
it('should not suppress shift', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {});
expect(obj.keydown({keyCode: 0x10}), 'd').to.be.false;
});
it('should generate event for shift keydown', function() {
var called = false;
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.have.property('keysym');
called = true;
}).keydown({keyCode: 0x10});
expect(called).to.be.true;
});
it('should not suppress character keys', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {});
expect(obj.keydown({keyCode: 'A'.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: ' '.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: '1'.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: 0x3c})).to.be.false; // < key on DK Windows
expect(obj.keydown({keyCode: 0xde})).to.be.false; // Ø key on DK
});
it('should not suppress if a char modifier is down', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {});
obj.keydown({keyCode: 0xe1}); // press altgr
expect(obj.keydown({keyCode: 'A'.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: ' '.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: '1'.charCodeAt()})).to.be.false;
expect(obj.keydown({keyCode: 0x3c})).to.be.false; // < key on DK Windows
expect(obj.keydown({keyCode: 0xde})).to.be.false; // Ø key on DK
});
});
describe('Keypress and keyup events', function() {
it('should always suppress event propagation', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {});
expect(obj.keypress({keyCode: 'A'.charCodeAt()})).to.be.true;
expect(obj.keypress({keyCode: 0x3c})).to.be.true; // < key on DK Windows
expect(obj.keypress({keyCode: 0x11})).to.be.true;
expect(obj.keyup({keyCode: 'A'.charCodeAt()})).to.be.true;
expect(obj.keyup({keyCode: 0x3c})).to.be.true; // < key on DK Windows
expect(obj.keyup({keyCode: 0x11})).to.be.true;
});
it('should never generate stalls', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt.type).to.not.be.equal('stall');
});
obj.keypress({keyCode: 'A'.charCodeAt()});
obj.keypress({keyCode: 0x3c});
obj.keypress({keyCode: 0x11});
obj.keyup({keyCode: 'A'.charCodeAt()});
obj.keyup({keyCode: 0x3c});
obj.keyup({keyCode: 0x11});
});
});
describe('mark events if a char modifier is down', function() {
it('should not mark modifiers on a keydown event', function() {
var times_called = 0;
var obj = KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {
switch (times_called++) {
case 0: //altgr
break;
case 1: // 'a'
expect(evt).to.not.have.property('escape');
break;
}
});
obj.keydown({keyCode: 0xe1}); // press altgr
obj.keydown({keyCode: 'A'.charCodeAt()});
});
it('should indicate on events if a single-key char modifier is down', function(done) {
var times_called = 0;
var obj = KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {
switch (times_called++) {
case 0: //altgr
break;
case 1: // 'a'
expect(evt).to.be.deep.equal({
type: 'keypress',
keyId: 'A'.charCodeAt(),
keysym: keysyms.lookup('a'.charCodeAt()),
escape: [0xfe03]
});
done();
return;
}
});
obj.keydown({keyCode: 0xe1}); // press altgr
obj.keypress({keyCode: 'A'.charCodeAt()});
});
it('should indicate on events if a multi-key char modifier is down', function(done) {
var times_called = 0;
var obj = KeyEventDecoder(kbdUtil.ModifierSync([0xffe9, 0xffe3]), function(evt) {
switch (times_called++) {
case 0: //ctrl
break;
case 1: //alt
break;
case 2: // 'a'
expect(evt).to.be.deep.equal({
type: 'keypress',
keyId: 'A'.charCodeAt(),
keysym: keysyms.lookup('a'.charCodeAt()),
escape: [0xffe9, 0xffe3]
});
done();
return;
}
});
obj.keydown({keyCode: 0x11}); // press ctrl
obj.keydown({keyCode: 0x12}); // press alt
obj.keypress({keyCode: 'A'.charCodeAt()});
});
it('should not consider a char modifier to be down on the modifier key itself', function() {
var obj = KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {
expect(evt).to.not.have.property('escape');
});
obj.keydown({keyCode: 0xe1}); // press altgr
});
});
describe('add/remove keysym', function() {
it('should remove keysym from keydown if a char key and no modifier', function() {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, type: 'keydown'});
}).keydown({keyCode: 0x41});
});
it('should not remove keysym from keydown if a shortcut modifier is down', function() {
var times_called = 0;
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
switch (times_called++) {
case 1:
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keydown'});
break;
}
}).keydown({keyCode: 0x41, ctrlKey: true});
expect(times_called).to.be.equal(2);
});
it('should not remove keysym from keydown if a char modifier is down', function() {
var times_called = 0;
KeyEventDecoder(kbdUtil.ModifierSync([0xfe03]), function(evt) {
switch (times_called++) {
case 2:
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keydown'});
break;
}
}).keydown({keyCode: 0x41, altGraphKey: true});
expect(times_called).to.be.equal(3);
});
it('should not remove keysym from keydown if key is noncharacter', function() {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt, 'bacobjpace').to.be.deep.equal({keyId: 0x09, keysym: keysyms.lookup(0xff09), type: 'keydown'});
}).keydown({keyCode: 0x09});
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt, 'ctrl').to.be.deep.equal({keyId: 0x11, keysym: keysyms.lookup(0xffe3), type: 'keydown'});
}).keydown({keyCode: 0x11});
});
it('should never remove keysym from keypress', function() {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keypress'});
}).keypress({keyCode: 0x41});
});
it('should never remove keysym from keyup', function() {
KeyEventDecoder(kbdUtil.ModifierSync(), function(evt) {
expect(evt).to.be.deep.equal({keyId: 0x41, keysym: keysyms.lookup(0x61), type: 'keyup'});
}).keyup({keyCode: 0x41});
});
});
// on keypress, keyup(?), always set keysym
// on keydown, only do it if we don't expect a keypress: if noncharacter OR modifier is down
});
describe('Verify that char modifiers are active', function() {
it('should pass keydown events through if there is no stall', function(done) {
var obj = VerifyCharModifier(function(evt){
expect(evt).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x41)});
done();
})({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x41)});
});
it('should pass keyup events through if there is no stall', function(done) {
var obj = VerifyCharModifier(function(evt){
expect(evt).to.deep.equal({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x41)});
done();
})({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x41)});
});
it('should pass keypress events through if there is no stall', function(done) {
var obj = VerifyCharModifier(function(evt){
expect(evt).to.deep.equal({type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x41)});
done();
})({type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x41)});
});
it('should not pass stall events through', function(done){
var obj = VerifyCharModifier(function(evt){
// should only be called once, for the keydown
expect(evt).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x41)});
done();
});
obj({type: 'stall'});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x41)});
});
it('should merge keydown and keypress events if they come after a stall', function(done) {
var next_called = false;
var obj = VerifyCharModifier(function(evt){
// should only be called once, for the keydown
expect(next_called).to.be.false;
next_called = true;
expect(evt).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x44)});
done();
});
obj({type: 'stall'});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
obj({type: 'keypress', keyId: 0x43, keysym: keysyms.lookup(0x44)});
expect(next_called).to.be.false;
});
it('should preserve modifier attribute when merging if keysyms differ', function(done) {
var next_called = false;
var obj = VerifyCharModifier(function(evt){
// should only be called once, for the keydown
expect(next_called).to.be.false;
next_called = true;
expect(evt).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x44), escape: [0xffe3]});
done();
});
obj({type: 'stall'});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
obj({type: 'keypress', keyId: 0x43, keysym: keysyms.lookup(0x44), escape: [0xffe3]});
expect(next_called).to.be.false;
});
it('should not preserve modifier attribute when merging if keysyms are the same', function() {
var obj = VerifyCharModifier(function(evt){
expect(evt).to.not.have.property('escape');
});
obj({type: 'stall'});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
obj({type: 'keypress', keyId: 0x43, keysym: keysyms.lookup(0x42), escape: [0xffe3]});
});
it('should not merge keydown and keypress events if there is no stall', function(done) {
var times_called = 0;
var obj = VerifyCharModifier(function(evt){
switch(times_called) {
case 0:
expect(evt).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
break;
case 1:
expect(evt).to.deep.equal({type: 'keypress', keyId: 0x43, keysym: keysyms.lookup(0x44)});
done();
break;
}
++times_called;
});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
obj({type: 'keypress', keyId: 0x43, keysym: keysyms.lookup(0x44)});
});
it('should not merge keydown and keypress events if separated by another event', function(done) {
var times_called = 0;
var obj = VerifyCharModifier(function(evt){
switch(times_called) {
case 0:
expect(evt,1).to.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
break;
case 1:
expect(evt,2).to.deep.equal({type: 'keyup', keyId: 0x43, keysym: keysyms.lookup(0x44)});
break;
case 2:
expect(evt,3).to.deep.equal({type: 'keypress', keyId: 0x45, keysym: keysyms.lookup(0x46)});
done();
break;
}
++times_called;
});
obj({type: 'stall'});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
obj({type: 'keyup', keyId: 0x43, keysym: keysyms.lookup(0x44)});
obj({type: 'keypress', keyId: 0x45, keysym: keysyms.lookup(0x46)});
});
});
describe('Track Key State', function() {
it('should do nothing on keyup events if no keys are down', function() {
var obj = TrackKeyState(function(evt) {
expect(true).to.be.false;
});
obj({type: 'keyup', keyId: 0x41});
});
it('should insert into the queue on keydown if no keys are down', function() {
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
}
elem = null;
});
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0x41};
obj(elem);
expect(elem).to.be.null;
expect(times_called).to.be.equal(2);
});
it('should insert into the queue on keypress if no keys are down', function() {
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
}
elem = null;
});
expect(elem).to.be.null;
elem = {type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0x41};
obj(elem);
expect(elem).to.be.null;
expect(times_called).to.be.equal(2);
});
it('should add keysym to last key entry if keyId matches', function() {
// this implies that a single keyup will release both keysyms
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x43)};
keysymsdown[keysyms.lookup(0x43).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0x41};
obj(elem);
expect(times_called).to.be.equal(4);
});
it('should create new key entry if keyId matches and keysym does not', function() {
// this implies that a single keyup will release both keysyms
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x43)};
keysymsdown[keysyms.lookup(0x43).keysym] = true;
obj(elem);
expect(times_called).to.be.equal(2);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0};
obj(elem);
expect(times_called).to.be.equal(3);
elem = {type: 'keyup', keyId: 0};
obj(elem);
expect(times_called).to.be.equal(4);
});
it('should merge key entry if keyIds are zero and keysyms match', function() {
// this implies that a single keyup will release both keysyms
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(times_called).to.be.equal(2);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0};
obj(elem);
expect(times_called).to.be.equal(3);
});
it('should add keysym as separate entry if keyId does not match last event', function() {
// this implies that separate keyups are required
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keypress', keyId: 0x42, keysym: keysyms.lookup(0x43)};
keysymsdown[keysyms.lookup(0x43).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0x41};
obj(elem);
expect(times_called).to.be.equal(4);
elem = {type: 'keyup', keyId: 0x42};
obj(elem);
expect(times_called).to.be.equal(4);
});
it('should add keysym as separate entry if keyId does not match last event and first is zero', function() {
// this implies that separate keyups are required
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0x42, keysym: keysyms.lookup(0x43)};
keysymsdown[keysyms.lookup(0x43).keysym] = true;
obj(elem);
expect(elem).to.be.null;
expect(times_called).to.be.equal(2);
elem = {type: 'keyup', keyId: 0};
obj(elem);
expect(times_called).to.be.equal(3);
elem = {type: 'keyup', keyId: 0x42};
obj(elem);
expect(times_called).to.be.equal(4);
});
it('should add keysym as separate entry if keyId does not match last event and second is zero', function() {
// this implies that a separate keyups are required
var times_called = 0;
var elem = null;
var keysymsdown = {};
var obj = TrackKeyState(function(evt) {
++times_called;
if (elem.type == 'keyup') {
expect(evt).to.have.property('keysym');
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
delete keysymsdown[evt.keysym.keysym];
}
else {
expect(evt).to.be.deep.equal(elem);
expect (keysymsdown[evt.keysym.keysym]).to.not.be.undefined;
elem = null;
}
});
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)};
keysymsdown[keysyms.lookup(0x42).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x43)};
keysymsdown[keysyms.lookup(0x43).keysym] = true;
obj(elem);
expect(elem).to.be.null;
elem = {type: 'keyup', keyId: 0x41};
obj(elem);
expect(times_called).to.be.equal(3);
elem = {type: 'keyup', keyId: 0};
obj(elem);
expect(times_called).to.be.equal(4);
});
it('should pop matching key event on keyup', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
switch (times_called++) {
case 0:
case 1:
case 2:
expect(evt.type).to.be.equal('keydown');
break;
case 3:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0x42, keysym: keysyms.lookup(0x62)});
break;
}
});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x61)});
obj({type: 'keydown', keyId: 0x42, keysym: keysyms.lookup(0x62)});
obj({type: 'keydown', keyId: 0x43, keysym: keysyms.lookup(0x63)});
obj({type: 'keyup', keyId: 0x42});
expect(times_called).to.equal(4);
});
it('should pop the first zero keyevent on keyup with zero keyId', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
switch (times_called++) {
case 0:
case 1:
case 2:
expect(evt.type).to.be.equal('keydown');
break;
case 3:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0, keysym: keysyms.lookup(0x61)});
break;
}
});
obj({type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x61)});
obj({type: 'keydown', keyId: 0, keysym: keysyms.lookup(0x62)});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x63)});
obj({type: 'keyup', keyId: 0x0});
expect(times_called).to.equal(4);
});
it('should pop the last keyevents keysym if no match is found for keyId', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
switch (times_called++) {
case 0:
case 1:
case 2:
expect(evt.type).to.be.equal('keydown');
break;
case 3:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0x44, keysym: keysyms.lookup(0x63)});
break;
}
});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x61)});
obj({type: 'keydown', keyId: 0x42, keysym: keysyms.lookup(0x62)});
obj({type: 'keydown', keyId: 0x43, keysym: keysyms.lookup(0x63)});
obj({type: 'keyup', keyId: 0x44});
expect(times_called).to.equal(4);
});
describe('Firefox sends keypress even when keydown is suppressed', function() {
it('should discard the keypress', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
expect(times_called).to.be.equal(0);
++times_called;
});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
expect(times_called).to.be.equal(1);
obj({type: 'keypress', keyId: 0x41, keysym: keysyms.lookup(0x43)});
});
});
describe('releaseAll', function() {
it('should do nothing if no keys have been pressed', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
++times_called;
});
obj({type: 'releaseall'});
expect(times_called).to.be.equal(0);
});
it('should release the keys that have been pressed', function() {
var times_called = 0;
var obj = TrackKeyState(function(evt) {
switch (times_called++) {
case 2:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0, keysym: keysyms.lookup(0x41)});
break;
case 3:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0, keysym: keysyms.lookup(0x42)});
break;
}
});
obj({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x41)});
obj({type: 'keydown', keyId: 0x42, keysym: keysyms.lookup(0x42)});
expect(times_called).to.be.equal(2);
obj({type: 'releaseall'});
expect(times_called).to.be.equal(4);
obj({type: 'releaseall'});
expect(times_called).to.be.equal(4);
});
});
});
describe('Escape Modifiers', function() {
describe('Keydown', function() {
it('should pass through when a char modifier is not down', function() {
var times_called = 0;
EscapeModifiers(function(evt) {
expect(times_called).to.be.equal(0);
++times_called;
expect(evt).to.be.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
})({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42)});
expect(times_called).to.be.equal(1);
});
it('should generate fake undo/redo events when a char modifier is down', function() {
var times_called = 0;
EscapeModifiers(function(evt) {
switch(times_called++) {
case 0:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0, keysym: keysyms.lookup(0xffe9)});
break;
case 1:
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0, keysym: keysyms.lookup(0xffe3)});
break;
case 2:
expect(evt).to.be.deep.equal({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42), escape: [0xffe9, 0xffe3]});
break;
case 3:
expect(evt).to.be.deep.equal({type: 'keydown', keyId: 0, keysym: keysyms.lookup(0xffe9)});
break;
case 4:
expect(evt).to.be.deep.equal({type: 'keydown', keyId: 0, keysym: keysyms.lookup(0xffe3)});
break;
}
})({type: 'keydown', keyId: 0x41, keysym: keysyms.lookup(0x42), escape: [0xffe9, 0xffe3]});
expect(times_called).to.be.equal(5);
});
});
describe('Keyup', function() {
it('should pass through when a char modifier is down', function() {
var times_called = 0;
EscapeModifiers(function(evt) {
expect(times_called).to.be.equal(0);
++times_called;
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x42), escape: [0xfe03]});
})({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x42), escape: [0xfe03]});
expect(times_called).to.be.equal(1);
});
it('should pass through when a char modifier is not down', function() {
var times_called = 0;
EscapeModifiers(function(evt) {
expect(times_called).to.be.equal(0);
++times_called;
expect(evt).to.be.deep.equal({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x42)});
})({type: 'keyup', keyId: 0x41, keysym: keysyms.lookup(0x42)});
expect(times_called).to.be.equal(1);
});
});
});
});
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