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metamask-extension/test/unit/migrations/043-test.js

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import { strict as assert } from 'assert'
import migration43 from '../../../app/scripts/migrations/043'
describe('migration #43', function () {
it('should update the version metadata', async function () {
const oldStorage = {
'meta': {
'version': 42,
},
'data': {},
}
const newStorage = await migration43.migrate(oldStorage)
assert.deepEqual(newStorage.meta, {
'version': 43,
})
})
it('should delete currentAccountTab state', async function () {
const oldStorage = {
meta: {},
data: {
PreferencesController: {
currentAccountTab: 'history',
bar: 'baz',
},
foo: 'bar',
},
}
const newStorage = await migration43.migrate(oldStorage)
assert.deepEqual(newStorage.data, {
PreferencesController: {
bar: 'baz',
},
foo: 'bar',
})
})
it('should do nothing if currentAccountTab state does not exist', async function () {
const oldStorage = {
meta: {},
data: {
PreferencesController: {
bar: 'baz',
},
foo: 'bar',
},
}
const newStorage = await migration43.migrate(oldStorage)
assert.deepEqual(oldStorage.data, newStorage.data)
})
})