103 lines
2.8 KiB
TypeScript
103 lines
2.8 KiB
TypeScript
import { ConsoleLogService } from "jslib-common/services/consoleLog.service";
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const originalConsole = console;
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let caughtMessage: any;
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declare let console: any;
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export function interceptConsole(interceptions: any): object {
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console = {
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log: function () {
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// eslint-disable-next-line
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interceptions.log = arguments;
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},
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warn: function () {
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// eslint-disable-next-line
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interceptions.warn = arguments;
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},
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error: function () {
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// eslint-disable-next-line
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interceptions.error = arguments;
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},
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};
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return interceptions;
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}
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export function restoreConsole() {
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console = originalConsole;
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}
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describe("ConsoleLogService", () => {
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let logService: ConsoleLogService;
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beforeEach(() => {
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caughtMessage = {};
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interceptConsole(caughtMessage);
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logService = new ConsoleLogService(true);
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});
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afterAll(() => {
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restoreConsole();
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});
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it("filters messages below the set threshold", () => {
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logService = new ConsoleLogService(true, () => true);
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logService.debug("debug");
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logService.info("info");
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logService.warning("warning");
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logService.error("error");
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expect(caughtMessage).toEqual({});
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});
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it("only writes debug messages in dev mode", () => {
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logService = new ConsoleLogService(false);
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logService.debug("debug message");
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expect(caughtMessage.log).toBeUndefined();
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});
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it("writes debug/info messages to console.log", () => {
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logService.debug("this is a debug message");
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expect(caughtMessage).toMatchObject({
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log: { "0": "this is a debug message" },
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});
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logService.info("this is an info message");
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expect(caughtMessage).toMatchObject({
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log: { "0": "this is an info message" },
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});
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});
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it("writes warning messages to console.warn", () => {
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logService.warning("this is a warning message");
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expect(caughtMessage).toMatchObject({
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warn: { 0: "this is a warning message" },
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});
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});
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it("writes error messages to console.error", () => {
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logService.error("this is an error message");
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expect(caughtMessage).toMatchObject({
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error: { 0: "this is an error message" },
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});
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});
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it("times with output to info", async () => {
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logService.time();
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await new Promise((r) => setTimeout(r, 250));
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const duration = logService.timeEnd();
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expect(duration[0]).toBe(0);
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expect(duration[1]).toBeGreaterThan(0);
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expect(duration[1]).toBeLessThan(500 * 10e6);
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expect(caughtMessage).toEqual(expect.arrayContaining([]));
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expect(caughtMessage.log.length).toBe(1);
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expect(caughtMessage.log[0]).toEqual(expect.stringMatching(/^default: \d+\.?\d*ms$/));
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});
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it("filters time output", async () => {
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logService = new ConsoleLogService(true, () => true);
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logService.time();
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logService.timeEnd();
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expect(caughtMessage).toEqual({});
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});
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});
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