@johnf/react-native-owl/lib/commonjs/logger.test.js

Visual regression testing for React Native

"use strict";

var _logger = require("./logger.js");
describe('logger.ts', () => {
  const logMessage = 'Hello World';
  const logInfoMock = jest.spyOn(global.console, 'info');
  const logWarnMock = jest.spyOn(global.console, 'warn');
  const logErrorMock = jest.spyOn(global.console, 'error');
  const logPrintMock = jest.spyOn(global.console, 'log');
  beforeEach(() => {
    logInfoMock.mockReset();
    logWarnMock.mockReset();
    logErrorMock.mockReset();
    logPrintMock.mockReset();
  });
  describe('info', () => {
    it('should log a message', () => {
      const logger = new _logger.Logger(true);
      logger.info(logMessage);
      expect(logInfoMock).toHaveBeenCalledWith(logMessage);
    });
    it('should not log a message when disabled', () => {
      const logger = new _logger.Logger(false);
      logger.info(logMessage);
      expect(logInfoMock).not.toHaveBeenCalled();
    });
  });
  describe('warn', () => {
    it('should log a message', () => {
      const logger = new _logger.Logger(true);
      logger.warn(logMessage);
      expect(logWarnMock).toHaveBeenCalledWith(logMessage);
    });
    it('should not log a message when disabled', () => {
      const logger = new _logger.Logger(false);
      logger.warn(logMessage);
      expect(logWarnMock).not.toHaveBeenCalled();
    });
  });
  describe('error', () => {
    it('should log a message', () => {
      const logger = new _logger.Logger(true);
      logger.error(logMessage);
      expect(logErrorMock).toHaveBeenCalledWith(logMessage);
    });
    it('should not log a message when disabled', () => {
      const logger = new _logger.Logger(false);
      logger.error(logMessage);
      expect(logErrorMock).not.toHaveBeenCalled();
    });
  });
  describe('print', () => {
    it('should log a message', () => {
      const logger = new _logger.Logger(true);
      logger.print(logMessage);
      expect(logPrintMock).toHaveBeenCalledWith(logMessage);
    });
    it('should still log a message when disabled', () => {
      const logger = new _logger.Logger(false);
      logger.print(logMessage);
      expect(logPrintMock).toHaveBeenCalledWith(logMessage);
    });
  });
});
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