/* eslint-disable no-console */ import { warn } from '../warn'; describe('warn', () => { if (__DEV__) { test('logs when the condition is unmet', () => { expect(() => { warn(false, 'warning'); }).toWarnDev('[InstantSearch] warning'); }); test('does not log when the condition is met', () => { expect(() => { warn(true, 'warning'); }).not.toWarnDev(); }); test('trims the message', () => { expect(() => { warn(false, '\nwarning! '); }).toWarnDev('[InstantSearch] warning!'); }); test('warns a message a single time', () => { const originalConsoleWarn = console.warn; console.warn = jest.fn(); warn(false, 'warning1'); warn(false, 'warning1'); warn(false, 'warning2'); expect(console.warn).toHaveBeenCalledTimes(2); expect(console.warn).toHaveBeenNthCalledWith( 1, '[InstantSearch] warning1' ); expect(console.warn).toHaveBeenNthCalledWith( 2, '[InstantSearch] warning2' ); console.warn = originalConsoleWarn; }); } });