Merge pull request #108 from acelaya/feature/not-found-page

Feature/not found page

src/App.js

@@ -1,6 +1,7 @@
 import React from 'react';
 import { Route, Switch } from 'react-router-dom';
 import './App.scss';
+import NotFound from './common/NotFound';
 
 const App = (MainHeader, Home, MenuLayout, CreateServer) => () => (
   <div className="container-fluid app-container">
@@ -11,6 +12,7 @@ const App = (MainHeader, Home, MenuLayout, CreateServer) => () => (
         <Route exact path="/server/create" component={CreateServer} />
         <Route exact path="/" component={Home} />
         <Route path="/server/:serverId" component={MenuLayout} />
+        <Route component={NotFound} />
       </Switch>
     </div>
   </div>

src/common/MenuLayout.js

@@ -6,6 +6,7 @@ import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
 import classnames from 'classnames';
 import * as PropTypes from 'prop-types';
 import { serverType } from '../servers/prop-types';
+import NotFound from './NotFound';
 import './MenuLayout.scss';
 
 const MenuLayout = (TagsList, ShortUrls, AsideMenu, CreateShortUrl, ShortUrlVisits) =>
@@ -38,7 +39,8 @@ const MenuLayout = (TagsList, ShortUrls, AsideMenu, CreateShortUrl, ShortUrlVisi
     }
 
     render() {
-      const { selectedServer } = this.props;
+      const { selectedServer, match } = this.props;
+      const { params: { serverId } } = match;
       const burgerClasses = classnames('menu-layout__burger-icon', {
         'menu-layout__burger-icon--active': this.state.showSideBar,
       });
@@ -88,6 +90,9 @@ const MenuLayout = (TagsList, ShortUrls, AsideMenu, CreateShortUrl, ShortUrlVisi
                     path="/server/:serverId/manage-tags"
                     component={TagsList}
                   />
+                  <Route
+                    render={() => <NotFound to={`/server/${serverId}/list-short-urls/1`} btnText="List short URLs" />}
+                  />
                 </Switch>
               </div>
             </div>

src/common/NotFound.js

@@ -0,0 +1,23 @@
+import React from 'react';
+import { Link } from 'react-router-dom';
+import * as PropTypes from 'prop-types';
+
+const propTypes = {
+  to: PropTypes.string,
+  btnText: PropTypes.string,
+};
+
+const NotFound = ({ to = '/', btnText = 'Home' }) => (
+  <div className="home">
+    <h2>Oops! We could not find requested route.</h2>
+    <p>
+      Use your browser{'\''}s back button to navigate to the page you have previously come from, or just press this button.
+    </p>
+    <br />
+    <Link to={to} className="btn btn-outline-primary btn-lg">{btnText}</Link>
+  </div>
+);
+
+NotFound.propTypes = propTypes;
+
+export default NotFound;

test/App.test.js

@@ -19,12 +19,17 @@ describe('<App />', () => {
 
   it('renders app main routes', () => {
     const routes = wrapper.find(Route);
-    const expectedRoutesCount = 3;
-    const second = 2;
+    const expectedRoutesCount = 4;
+    const expectedPaths = [
+      '/server/create',
+      '/',
+      '/server/:serverId',
+    ];
 
+    expect.assertions(expectedPaths.length + 1);
     expect(routes).toHaveLength(expectedRoutesCount);
-    expect(routes.at(0).prop('path')).toEqual('/server/create');
-    expect(routes.at(1).prop('path')).toEqual('/');
-    expect(routes.at(second).prop('path')).toEqual('/server/:serverId');
+    expectedPaths.forEach((path, index) => {
+      expect(routes.at(index).prop('path')).toEqual(path);
+    });
   });
 });

test/common/NotFound.test.js

@@ -0,0 +1,48 @@
+import React from 'react';
+import { shallow } from 'enzyme';
+import { Link } from 'react-router-dom';
+import NotFound from '../../src/common/NotFound';
+
+describe('<NotFound />', () => {
+  let wrapper;
+  const createWrapper = (props = {}) => {
+    wrapper = shallow(<NotFound {...props} />);
+    const content = wrapper.text();
+
+    return { wrapper, content };
+  };
+
+  afterEach(() => wrapper && wrapper.unmount());
+
+  it('shows expected error title', () => {
+    const { content } = createWrapper();
+
+    expect(content).toContain('Oops! We could not find requested route.');
+  });
+
+  it('shows expected error message', () => {
+    const { content } = createWrapper();
+
+    expect(content).toContain(
+      'Use your browser\'s back button to navigate to the page you have previously come from, or just press this button.'
+    );
+  });
+
+  it('shows a link to the home', () => {
+    const { wrapper } = createWrapper();
+    const link = wrapper.find(Link);
+
+    expect(link.prop('to')).toEqual('/');
+    expect(link.prop('className')).toEqual('btn btn-outline-primary btn-lg');
+    expect(link.prop('children')).toEqual('Home');
+  });
+
+  it('shows a link with provided props', () => {
+    const { wrapper } = createWrapper({ to: '/foo/bar', btnText: 'Hello' });
+    const link = wrapper.find(Link);
+
+    expect(link.prop('to')).toEqual('/foo/bar');
+    expect(link.prop('className')).toEqual('btn btn-outline-primary btn-lg');
+    expect(link.prop('children')).toEqual('Hello');
+  });
+});