64 lines
2.0 KiB
TypeScript
64 lines
2.0 KiB
TypeScript
import { interceptConsole, restoreConsole } from "../../../spec";
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import { ConsoleLogService } from "./console-log.service";
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describe("ConsoleLogService", () => {
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const error = new Error("this is an error");
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const obj = { a: 1, b: 2 };
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let consoleSpy: {
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log: jest.Mock<any, any>;
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warn: jest.Mock<any, any>;
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error: jest.Mock<any, any>;
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};
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let logService: ConsoleLogService;
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beforeEach(() => {
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consoleSpy = interceptConsole();
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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", error, obj);
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logService.info("info", error, obj);
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logService.warning("warning", error, obj);
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logService.error("error", error, obj);
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expect(consoleSpy.log).not.toHaveBeenCalled();
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expect(consoleSpy.warn).not.toHaveBeenCalled();
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expect(consoleSpy.error).not.toHaveBeenCalled();
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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(consoleSpy.log).not.toHaveBeenCalled();
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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", error, obj);
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logService.info("this is an info message", error, obj);
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expect(consoleSpy.log).toHaveBeenCalledTimes(2);
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expect(consoleSpy.log).toHaveBeenCalledWith("this is a debug message", error, obj);
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expect(consoleSpy.log).toHaveBeenCalledWith("this is an info message", error, obj);
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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", error, obj);
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expect(consoleSpy.warn).toHaveBeenCalledWith("this is a warning message", error, obj);
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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", error, obj);
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expect(consoleSpy.error).toHaveBeenCalledWith("this is an error message", error, obj);
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});
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});
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