71 lines
2.3 KiB
Ruby
71 lines
2.3 KiB
Ruby
#
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# Copyright (C) 2018 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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require_relative '../spec_helper'
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describe Anonymity do
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describe '.generate_id' do
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let(:short_id) { 'aB123' }
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context 'given no existing_anonymous_ids' do
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subject(:generate_id) do
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-> { Anonymity.generate_id }
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end
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it 'creates an anonymous_id' do
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allow(Anonymity).to receive(:generate_short_id).and_return(short_id)
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expect(generate_id.call).to eql short_id
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end
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it 'creates a unique anonymous_id when collisions happen' do
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first_anonymous_id = short_id
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colliding_anonymous_id = first_anonymous_id
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unused_anonymous_id = 'eeeee'
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allow(Anonymity).to receive(:generate_short_id).exactly(3).times.and_return(
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first_anonymous_id, colliding_anonymous_id, unused_anonymous_id
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)
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first_returned_id = Anonymity.generate_id
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second_returned_id = Anonymity.generate_id(existing_ids: [first_returned_id])
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expect(second_returned_id).to eql(unused_anonymous_id)
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end
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end
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context 'given a list of existing_anonymous_ids' do
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subject do
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Anonymity.generate_id(existing_ids: existing_anonymous_ids_fake)
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end
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let(:existing_anonymous_ids_fake) { double('Array') }
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it 'queries the passed in existing_anonymous_ids' do
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allow(Anonymity).to receive(:generate_short_id).and_return(short_id)
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expect(existing_anonymous_ids_fake).to receive(:include?).with(short_id).and_return(false)
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is_expected.to eql short_id
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end
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end
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end
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describe '.generate_short_id' do
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it 'generates a short id' do
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expect(SecureRandom).to receive(:base58).with(5)
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Anonymity.generate_short_id
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end
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end
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end
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