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import InputDriver, {keyFromKeyboardEvent} from '../../src/content/InputDriver';
import { expect } from 'chai';
import Key from '../../src/shared/settings/Key';
describe('InputDriver', () => {
let target: HTMLElement;
let driver: InputDriver;
beforeEach(() => {
target = document.createElement('div');
document.body.appendChild(target);
driver = new InputDriver(target);
});
afterEach(() => {
target.remove();
target = null;
driver = null;
});
it('register callbacks', (done) => {
driver.onKey((key: Key): boolean => {
expect(key.key).to.equal('a');
expect(key.ctrl).to.be.true;
expect(key.shift).to.be.false;
expect(key.alt).to.be.false;
expect(key.meta).to.be.false;
done();
return true;
});
target.dispatchEvent(new KeyboardEvent('keydown', {
key: 'a',
ctrlKey: true,
shiftKey: false,
altKey: false,
metaKey: false,
}));
});
it('invoke callback once', () => {
let a = 0, b = 0;
driver.onKey((key: Key): boolean => {
if (key.key == 'a') {
++a;
} else {
key.key == 'b'
++b;
}
return true;
});
let events = [
new KeyboardEvent('keydown', { key: 'a' }),
new KeyboardEvent('keydown', { key: 'b' }),
new KeyboardEvent('keypress', { key: 'a' }),
new KeyboardEvent('keyup', { key: 'a' }),
new KeyboardEvent('keypress', { key: 'b' }),
new KeyboardEvent('keyup', { key: 'b' }),
];
for (let e of events) {
target.dispatchEvent(e);
}
expect(a).to.equal(1);
expect(b).to.equal(1);
})
it('propagates and stop handler chain', () => {
let a = 0, b = 0, c = 0;
driver.onKey((_key: Key): boolean => {
a++;
return false;
});
driver.onKey((_key: Key): boolean => {
b++;
return true;
});
driver.onKey((_key: Key): boolean => {
c++;
return true;
});
target.dispatchEvent(new KeyboardEvent('keydown', { key: 'b' }));
expect(a).to.equal(1);
expect(b).to.equal(1);
expect(c).to.equal(0);
})
it('does not invoke only meta keys', () => {
driver.onKey((_key: Key): boolean=> {
expect.fail();
return false;
});
target.dispatchEvent(new KeyboardEvent('keydown', { key: 'Shift' }));
target.dispatchEvent(new KeyboardEvent('keydown', { key: 'Control' }));
target.dispatchEvent(new KeyboardEvent('keydown', { key: 'Alt' }));
target.dispatchEvent(new KeyboardEvent('keydown', { key: 'OS' }));
})
it('ignores events from input elements', () => {
['input', 'textarea', 'select'].forEach((name) => {
let input = window.document.createElement(name);
let driver = new InputDriver(input);
driver.onKey((key: Key): boolean => {
expect.fail();
return false;
});
input.dispatchEvent(new KeyboardEvent('keydown', { key: 'x' }));
});
});
it('ignores events from contenteditable elements', () => {
let div = window.document.createElement('div');
let driver = new InputDriver(div);
driver.onKey((_key: Key): boolean => {
expect.fail();
return false;
});
div.setAttribute('contenteditable', '');
div.dispatchEvent(new KeyboardEvent('keydown', { key: 'x' }));
div.setAttribute('contenteditable', 'true');
div.dispatchEvent(new KeyboardEvent('keydown', { key: 'x' }));
});
});
describe("#keyFromKeyboardEvent", () => {
it('returns from keyboard input Ctrl+X', () => {
let k = keyFromKeyboardEvent(new KeyboardEvent('keydown', {
key: 'x', shiftKey: false, ctrlKey: true, altKey: false, metaKey: true,
}));
expect(k.key).to.equal('x');
expect(k.shift).to.be.false;
expect(k.ctrl).to.be.true;
expect(k.alt).to.be.false;
expect(k.meta).to.be.true;
});
it('returns from keyboard input Shift+Esc', () => {
let k = keyFromKeyboardEvent(new KeyboardEvent('keydown', {
key: 'Escape', shiftKey: true, ctrlKey: false, altKey: false, metaKey: true
}));
expect(k.key).to.equal('Esc');
expect(k.shift).to.be.true;
expect(k.ctrl).to.be.false;
expect(k.alt).to.be.false;
expect(k.meta).to.be.true;
});
it('returns from keyboard input Ctrl+$', () => {
// $ required shift pressing on most keyboards
let k = keyFromKeyboardEvent(new KeyboardEvent('keydown', {
key: '$', shiftKey: true, ctrlKey: true, altKey: false, metaKey: false
}));
expect(k.key).to.equal('$');
expect(k.shift).to.be.false;
expect(k.ctrl).to.be.true;
expect(k.alt).to.be.false;
expect(k.meta).to.be.false;
});
it('returns from keyboard input Crtl+Space', () => {
let k = keyFromKeyboardEvent(new KeyboardEvent('keydown', {
key: ' ', shiftKey: false, ctrlKey: true, altKey: false, metaKey: false
}));
expect(k.key).to.equal('Space');
expect(k.shift).to.be.false;
expect(k.ctrl).to.be.true;
expect(k.alt).to.be.false;
expect(k.meta).to.be.false;
});
});
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