mirror of https://git.tuxpa.in/a/code-server.git
123 lines
2.5 KiB
TypeScript
123 lines
2.5 KiB
TypeScript
import { Emitter } from "../src/events";
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describe("Event", () => {
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const emitter = new Emitter<number>();
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it("should listen to global event", () => {
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const fn = jest.fn();
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const d = emitter.event(fn);
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emitter.emit(10);
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expect(fn).toHaveBeenCalledWith(10);
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d.dispose();
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});
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it("should listen to id event", () => {
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const fn = jest.fn();
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const d = emitter.event(0, fn);
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emitter.emit(0, 5);
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expect(fn).toHaveBeenCalledWith(5);
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d.dispose();
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});
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it("should listen to string id event", () => {
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const fn = jest.fn();
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const d = emitter.event("string", fn);
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emitter.emit("string", 55);
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expect(fn).toHaveBeenCalledWith(55);
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d.dispose();
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});
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it("should not listen wrong id event", () => {
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const fn = jest.fn();
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const d = emitter.event(1, fn);
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emitter.emit(0, 5);
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emitter.emit(1, 6);
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expect(fn).toHaveBeenCalledWith(6);
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expect(fn).toHaveBeenCalledTimes(1);
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d.dispose();
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});
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it("should listen to id event globally", () => {
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const fn = jest.fn();
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const d = emitter.event(fn);
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emitter.emit(1, 11);
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expect(fn).toHaveBeenCalledWith(11);
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d.dispose();
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});
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it("should listen to global event", () => {
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const fn = jest.fn();
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const d = emitter.event(3, fn);
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emitter.emit(14);
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expect(fn).toHaveBeenCalledWith(14);
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d.dispose();
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});
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it("should listen to id event multiple times", () => {
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const fn = jest.fn();
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const disposers = [
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emitter.event(934, fn),
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emitter.event(934, fn),
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emitter.event(934, fn),
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emitter.event(934, fn),
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];
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emitter.emit(934, 324);
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expect(fn).toHaveBeenCalledTimes(4);
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expect(fn).toHaveBeenCalledWith(324);
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disposers.forEach((d) => d.dispose());
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});
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it("should dispose individually", () => {
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const fn = jest.fn();
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const d = emitter.event(fn);
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const fn2 = jest.fn();
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const d2 = emitter.event(1, fn2);
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d.dispose();
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emitter.emit(12);
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emitter.emit(1, 12);
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expect(fn).not.toBeCalled();
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expect(fn2).toBeCalledTimes(2);
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d2.dispose();
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emitter.emit(12);
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emitter.emit(1, 12);
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expect(fn).not.toBeCalled();
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expect(fn2).toBeCalledTimes(2);
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});
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it("should dispose by id", () => {
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const fn = jest.fn();
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emitter.event(fn);
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const fn2 = jest.fn();
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emitter.event(1, fn2);
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emitter.dispose(1);
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emitter.emit(12);
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emitter.emit(1, 12);
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expect(fn).toBeCalledTimes(2);
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expect(fn2).not.toBeCalled();
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});
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it("should dispose all", () => {
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const fn = jest.fn();
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emitter.event(fn);
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emitter.event(1, fn);
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emitter.dispose();
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emitter.emit(12);
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emitter.emit(1, 12);
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expect(fn).not.toBeCalled();
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});
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});
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