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/**
* @jest-environment jsdom
*/
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();
});
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;
});
const 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 (const 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) => {
const input = window.document.createElement(name);
const 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", () => {
const div = window.document.createElement("div");
const 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", () => {
const 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", () => {
const 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
const 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", () => {
const 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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