import { toContainGraph } from '../custom-matchers/toContainGraph'

import { toEqualGraph } from '../custom-matchers/toEqualGraph'

import 'isomorphic-fetch'

import { TextEncoder, TextDecoder } from 'util'

// https://stackoverflow.com/questions/52612122/how-to-use-jest-to-test-functions-using-crypto-or-window-mscrypto

import crypto from 'crypto'

global.crypto = {

getRandomValues: function (buffer) {

return crypto.randomFillSync(buffer)

}

}

global.TextEncoder = TextEncoder

global.TextDecoder = TextDecoder

// Mock external dependencies that solid-logic expects

jest.mock('$rdf', () => require('rdflib'), { virtual: true })

// adding custom matchers

expect.extend({

toContainGraph,

toEqualGraph

})