peerjs/test/logger.ts

import { expect } from "chai";
import Logger, { LogLevel } from "../lib/logger";

describe("Logger", function () {
	let oldLoggerPrint;
	before(() => {
		//@ts-ignore
		oldLoggerPrint = Logger._print;
	});

	it("should be disabled by default", function () {
		expect(Logger.logLevel).to.eq(LogLevel.Disabled);
	});

	it("should be accept new log level", function () {
		const checkedLevels = [];

		Logger.setLogFunction((logLevel) => {
			checkedLevels.push(logLevel);
		});

		Logger.logLevel = LogLevel.Warnings;

		expect(Logger.logLevel).to.eq(LogLevel.Warnings);

		Logger.log("");
		Logger.warn("");
		Logger.error("");

		expect(checkedLevels).to.deep.eq([LogLevel.Warnings, LogLevel.Errors]);
	});

	it("should accept new log function", function () {
		Logger.logLevel = LogLevel.All;

		const checkedLevels = [];
		const testMessage = "test it";

		Logger.setLogFunction((logLevel, ...args) => {
			checkedLevels.push(logLevel);

			expect(args[0]).to.eq(testMessage);
		});

		Logger.log(testMessage);
		Logger.warn(testMessage);
		Logger.error(testMessage);

		expect(checkedLevels).to.deep.eq([
			LogLevel.All,
			LogLevel.Warnings,
			LogLevel.Errors,
		]);
	});

	after(() => {
		Logger.setLogFunction(oldLoggerPrint);
	});
});