import { interceptConsole, restoreConsole } from "../../../spec"; import { ConsoleLogService } from "./console-log.service"; let caughtMessage: any; describe("ConsoleLogService", () => { let logService: ConsoleLogService; beforeEach(() => { caughtMessage = {}; interceptConsole(caughtMessage); logService = new ConsoleLogService(true); }); afterAll(() => { restoreConsole(); }); it("filters messages below the set threshold", () => { logService = new ConsoleLogService(true, () => true); logService.debug("debug"); logService.info("info"); logService.warning("warning"); logService.error("error"); expect(caughtMessage).toEqual({}); }); it("only writes debug messages in dev mode", () => { logService = new ConsoleLogService(false); logService.debug("debug message"); expect(caughtMessage.log).toBeUndefined(); }); it("writes debug/info messages to console.log", () => { logService.debug("this is a debug message"); expect(caughtMessage).toMatchObject({ log: { "0": "this is a debug message" }, }); logService.info("this is an info message"); expect(caughtMessage).toMatchObject({ log: { "0": "this is an info message" }, }); }); it("writes warning messages to console.warn", () => { logService.warning("this is a warning message"); expect(caughtMessage).toMatchObject({ warn: { 0: "this is a warning message" }, }); }); it("writes error messages to console.error", () => { logService.error("this is an error message"); expect(caughtMessage).toMatchObject({ error: { 0: "this is an error message" }, }); }); });