import fileExists from '../fileExists'
import tryUrls from '../tryUrls';
import transparentPng from '../../constants/transparentPng'
jest.mock('../fileExists')

const mockFileExists = fileExists as jest.MockedFunction<typeof fileExists>;

describe('tryUrls', () => {
    it('Should try multiple file extensions', async () => {
        const url = "localhost/stoneddiscord/assets"
        mockFileExists
        .mockReturnValueOnce(Promise.resolve(false))
        .mockReturnValueOnce(Promise.resolve(false))
        .mockReturnValueOnce(Promise.resolve(false))
        .mockReturnValueOnce(Promise.resolve(true))
        const actual = await tryUrls(url)
        const expected = 'localhost/stoneddiscord/assets.apng'
        expect(actual).toBe(expected);
        });
        
    it('Should return a transparent png if it cant find any assets', async () => {
        const url = "localhost/stoneddiscord/assets"
        mockFileExists
        .mockReturnValue(Promise.resolve(false))
        const actual = await tryUrls(url)
        const expected = transparentPng
        expect(actual).toBe(expected);
        });
})