109 lines
3.2 KiB
JavaScript
109 lines
3.2 KiB
JavaScript
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// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import { shallow } from 'enzyme';
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import React from 'react';
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import sinon from 'sinon';
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import QrCode from './';
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const DEFAULT_PROPS = {
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margin: 1,
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size: 4,
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value: 'someTestValue'
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};
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let component;
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let instance;
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function render (props = {}) {
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component = shallow(
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<QrCode
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{ ...DEFAULT_PROPS }
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{ ...props }
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/>
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);
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instance = component.instance();
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return component;
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}
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describe('ui/QrCode', () => {
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beforeEach(() => {
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render();
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sinon.spy(instance, 'generateCode');
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});
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afterEach(() => {
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instance.generateCode.restore();
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});
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it('renders defaults', () => {
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expect(component).to.be.ok;
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});
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describe('lifecycle', () => {
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describe('componentWillMount', () => {
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it('generates the image on mount', () => {
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instance.componentWillMount();
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expect(instance.generateCode).to.have.been.calledWith(DEFAULT_PROPS);
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});
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});
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describe('componentWillReceiveProps', () => {
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it('does not re-generate when no props changed', () => {
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instance.componentWillReceiveProps(DEFAULT_PROPS);
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expect(instance.generateCode).not.to.have.been.called;
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});
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it('does not re-generate when className changed', () => {
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const nextProps = Object.assign({}, DEFAULT_PROPS, { className: 'test' });
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instance.componentWillReceiveProps(nextProps);
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expect(instance.generateCode).not.to.have.been.called;
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});
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it('does not re-generate when additional property changed', () => {
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const nextProps = Object.assign({}, DEFAULT_PROPS, { something: 'test' });
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instance.componentWillReceiveProps(nextProps);
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expect(instance.generateCode).not.to.have.been.called;
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});
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it('does re-generate when value changed', () => {
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const nextProps = Object.assign({}, DEFAULT_PROPS, { value: 'somethingElse' });
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instance.componentWillReceiveProps(nextProps);
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expect(instance.generateCode).to.have.been.calledWith(nextProps);
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});
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it('does re-generate when size changed', () => {
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const nextProps = Object.assign({}, DEFAULT_PROPS, { size: 10 });
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instance.componentWillReceiveProps(nextProps);
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expect(instance.generateCode).to.have.been.calledWith(nextProps);
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});
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it('does re-generate when margin changed', () => {
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const nextProps = Object.assign({}, DEFAULT_PROPS, { margin: 10 });
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instance.componentWillReceiveProps(nextProps);
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expect(instance.generateCode).to.have.been.calledWith(nextProps);
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});
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});
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});
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});
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