Additional building-block UI components (#4239)

* Currency WIP

* Expand tests

* Pass className

* Add QrCode

* Export new components in ~/ui

* s/this.props.netSymbol/netSymbol/

* Fix import case

js/package.json

@@ -163,6 +163,7 @@
     "phoneformat.js": "1.0.3",
     "promise-worker": "1.1.1",
     "push.js": "0.0.11",
+    "qrcode-npm": "0.0.3",
     "qs": "6.3.0",
     "react": "15.4.1",
     "react-ace": "4.1.0",

js/src/ui/CurrencySymbol/currencySymbol.js

@@ -0,0 +1,67 @@
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+import React, { Component, PropTypes } from 'react';
+import { connect } from 'react-redux';
+
+const SYMBOL_ETC = 'ETC';
+const SYMBOL_ETH = 'ETH';
+const SYMBOL_EXP = 'EXP';
+
+class CurrencySymbol extends Component {
+  static propTypes = {
+    className: PropTypes.string,
+    netChain: PropTypes.string.isRequired,
+    netSymbol: PropTypes.string.isRequired
+  }
+
+  render () {
+    const { className, netSymbol } = this.props;
+
+    return (
+      <span className={ className }>{ netSymbol }</span>
+    );
+  }
+}
+
+function mapStateToProps (state) {
+  const { netChain } = state.nodeStatus;
+  let netSymbol;
+
+  switch (netChain) {
+    case 'classic':
+      netSymbol = SYMBOL_ETC;
+      break;
+
+    case 'expanse':
+      netSymbol = SYMBOL_EXP;
+      break;
+
+    default:
+      netSymbol = SYMBOL_ETH;
+      break;
+  }
+
+  return {
+    netChain,
+    netSymbol
+  };
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(CurrencySymbol);

js/src/ui/CurrencySymbol/currencySymbol.spec.js

@@ -0,0 +1,81 @@
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+import { shallow } from 'enzyme';
+import React from 'react';
+import sinon from 'sinon';
+
+import CurrencySymbol from './';
+
+let component;
+let store;
+
+function createRedux (netChain = 'ropsten') {
+  store = {
+    dispatch: sinon.stub(),
+    subscribe: sinon.stub(),
+    getState: () => {
+      return {
+        nodeStatus: {
+          netChain
+        }
+      };
+    }
+  };
+
+  return store;
+}
+
+function render (netChain, props = {}) {
+  component = shallow(
+    <CurrencySymbol { ...props } />,
+    {
+      context: {
+        store: createRedux(netChain)
+      }
+    }
+  ).find('CurrencySymbol').shallow();
+
+  return component;
+}
+
+describe('ui/CurrencySymbol', () => {
+  it('renders defaults', () => {
+    expect(render()).to.be.ok;
+  });
+
+  it('passes the className as provided', () => {
+    expect(render('ropsten', { className: 'test' }).find('span').hasClass('test')).to.be.true;
+  });
+
+  describe('currencies', () => {
+    it('renders ETH as default', () => {
+      expect(render().text()).equal('ETH');
+    });
+
+    it('renders ETC for classic', () => {
+      expect(render('classic').text()).equal('ETC');
+    });
+
+    it('renders EXP for expanse', () => {
+      expect(render('expanse').text()).equal('EXP');
+    });
+
+    it('renders ETH as default', () => {
+      expect(render('somethingElse').text()).equal('ETH');
+    });
+  });
+});

js/src/ui/CurrencySymbol/index.js

@@ -0,0 +1,17 @@
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+export default from './currencySymbol';

js/src/ui/QrCode/index.js

@@ -0,0 +1,17 @@
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+export default from './qrCode';

js/src/ui/QrCode/qrCode.js

@@ -0,0 +1,83 @@
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+// https://github.com/cmanzana/qrcode-npm packaging the standard
+// https://github.com/kazuhikoarase/qrcode-generator
+import { qrcode } from 'qrcode-npm';
+import React, { Component, PropTypes } from 'react';
+
+const QROPTS = {
+  CODE_TYPE: 4,
+  ERROR_LEVEL: 'M'
+};
+
+export default class QrCode extends Component {
+  static propTypes = {
+    className: PropTypes.string,
+    margin: PropTypes.number,
+    size: PropTypes.number,
+    value: PropTypes.string.isRequired
+  };
+
+  static defaultProps = {
+    margin: 2,
+    size: 5
+  };
+
+  state = {
+    image: null
+  };
+
+  componentWillMount () {
+    this.generateCode(this.props);
+  }
+
+  componentWillReceiveProps (nextProps) {
+    const hasChanged = nextProps.value !== this.props.value ||
+      nextProps.size !== this.props.size ||
+      nextProps.margin !== this.props.margin;
+
+    if (hasChanged) {
+      this.generateCode(nextProps);
+    }
+  }
+
+  render () {
+    const { className } = this.props;
+    const { image } = this.state;
+
+    return (
+      <div
+        className={ className }
+        dangerouslySetInnerHTML={ {
+          __html: image
+        } }
+      />
+    );
+  }
+
+  generateCode (props) {
+    const { margin, size, value } = props;
+    const qr = qrcode(QROPTS.CODE_TYPE, QROPTS.ERROR_LEVEL);
+
+    qr.addData(value);
+    qr.make();
+
+    this.setState({
+      image: qr.createImgTag(size, margin)
+    });
+  }
+}

js/src/ui/QrCode/qrCode.spec.js

@@ -0,0 +1,108 @@
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+import { shallow } from 'enzyme';
+import React from 'react';
+import sinon from 'sinon';
+
+import QrCode from './';
+
+const DEFAULT_PROPS = {
+  margin: 1,
+  size: 4,
+  value: 'someTestValue'
+};
+
+let component;
+let instance;
+
+function render (props = {}) {
+  component = shallow(
+    <QrCode
+      { ...DEFAULT_PROPS }
+      { ...props }
+    />
+  );
+  instance = component.instance();
+
+  return component;
+}
+
+describe('ui/QrCode', () => {
+  beforeEach(() => {
+    render();
+    sinon.spy(instance, 'generateCode');
+  });
+
+  afterEach(() => {
+    instance.generateCode.restore();
+  });
+
+  it('renders defaults', () => {
+    expect(component).to.be.ok;
+  });
+
+  describe('lifecycle', () => {
+    describe('componentWillMount', () => {
+      it('generates the image on mount', () => {
+        instance.componentWillMount();
+        expect(instance.generateCode).to.have.been.calledWith(DEFAULT_PROPS);
+      });
+    });
+
+    describe('componentWillReceiveProps', () => {
+      it('does not re-generate when no props changed', () => {
+        instance.componentWillReceiveProps(DEFAULT_PROPS);
+        expect(instance.generateCode).not.to.have.been.called;
+      });
+
+      it('does not re-generate when className changed', () => {
+        const nextProps = Object.assign({}, DEFAULT_PROPS, { className: 'test' });
+
+        instance.componentWillReceiveProps(nextProps);
+        expect(instance.generateCode).not.to.have.been.called;
+      });
+
+      it('does not re-generate when additional property changed', () => {
+        const nextProps = Object.assign({}, DEFAULT_PROPS, { something: 'test' });
+
+        instance.componentWillReceiveProps(nextProps);
+        expect(instance.generateCode).not.to.have.been.called;
+      });
+
+      it('does re-generate when value changed', () => {
+        const nextProps = Object.assign({}, DEFAULT_PROPS, { value: 'somethingElse' });
+
+        instance.componentWillReceiveProps(nextProps);
+        expect(instance.generateCode).to.have.been.calledWith(nextProps);
+      });
+
+      it('does re-generate when size changed', () => {
+        const nextProps = Object.assign({}, DEFAULT_PROPS, { size: 10 });
+
+        instance.componentWillReceiveProps(nextProps);
+        expect(instance.generateCode).to.have.been.calledWith(nextProps);
+      });
+
+      it('does re-generate when margin changed', () => {
+        const nextProps = Object.assign({}, DEFAULT_PROPS, { margin: 10 });
+
+        instance.componentWillReceiveProps(nextProps);
+        expect(instance.generateCode).to.have.been.calledWith(nextProps);
+      });
+    });
+  });
+});