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var assert = require('assert')
var MetaMaskController = require('../../app/scripts/metamask-controller')
var sinon = require('sinon')
var extend = require('xtend')
const STORAGE_KEY = 'metamask-config'
describe('MetaMaskController', function() {
const noop = () => {}
let controller = new MetaMaskController({
showUnconfirmedMessage: noop,
unlockAccountMessage: noop,
showUnconfirmedTx: noop,
setData,
loadData,
})
beforeEach(function() {
// sinon allows stubbing methods that are easily verified
this.sinon = sinon.sandbox.create()
window.localStorage = {} // Hacking localStorage support into JSDom
})
afterEach(function() {
// sinon requires cleanup otherwise it will overwrite context
this.sinon.restore()
})
describe('#enforceTxValidations', function () {
it('returns null for positive values', function() {
var sample = {
value: '0x01'
}
var res = controller.enforceTxValidations(sample)
assert.equal(res, null, 'no error')
})
it('returns error for negative values', function() {
var sample = {
value: '-0x01'
}
var res = controller.enforceTxValidations(sample)
assert.ok(res, 'error')
})
})
})
function loadData () {
var oldData = getOldStyleData()
var newData
try {
newData = JSON.parse(window.localStorage[STORAGE_KEY])
} catch (e) {}
var data = extend({
meta: {
version: 0,
},
data: {
config: {
provider: {
type: 'testnet',
},
},
},
}, oldData || null, newData || null)
return data
}
function getOldStyleData () {
var config, wallet, seedWords
var result = {
meta: { version: 0 },
data: {},
}
try {
config = JSON.parse(window.localStorage['config'])
result.data.config = config
} catch (e) {}
try {
wallet = JSON.parse(window.localStorage['lightwallet'])
result.data.wallet = wallet
} catch (e) {}
try {
seedWords = window.localStorage['seedWords']
result.data.seedWords = seedWords
} catch (e) {}
return result
}
function setData (data) {
window.localStorage[STORAGE_KEY] = JSON.stringify(data)
}
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