Additional unit tests

Author: birdofpreyru

__tests__/index.js

@@ -0,0 +1,9 @@
+import * as exports from '../src';
+
+test('Exports expected stuff', () => {
+  expect(exports).toHaveProperty('Avatar');
+  expect(exports).toHaveProperty('Button');
+  expect(exports).toHaveProperty('Link');
+  expect(exports).toHaveProperty('NavLink');
+  expect(exports).toHaveProperty('ScalableRect');
+});

__tests__/shared/GenericLink.jsx

@@ -1,4 +1,4 @@
-/* global window */
+/* global document, window */
 
 import GenericLink from 'components/GenericLink';
 import PT from 'prop-types';
@@ -65,15 +65,18 @@ test('onClick(..) works when rendered as custom <Link>', () => {
   simulate.click(link);
   expect(clickHandler).toHaveBeenCalled();
 
+  const domain = 'https://some.domain.com';
+  document.location.assign = jest.fn();
   doc = renderDom((
     <GenericLink
       className="LINK"
       routerLinkType={Link}
-      to="https://some.domain.com"
+      to={domain}
     >LINK</GenericLink>
   ));
   link = findInDomByClass(doc, 'LINK');
   simulate.click(link);
 
+  expect(document.location.assign).toHaveBeenCalledWith(domain);
   expect(window.scroll).toHaveBeenCalledTimes(1);
 });

__tests__/shared/Link.jsx

@@ -0,0 +1,9 @@
+import Link from 'components/Link';
+import React from 'react';
+import { shallowSnapshot } from 'utils/jest';
+
+test('Matches snapshots', () => {
+  shallowSnapshot((
+    <Link />
+  ));
+});

__tests__/shared/NavLink.jsx

@@ -0,0 +1,7 @@
+import NavLink from 'components/NavLink';
+import React from 'react';
+import { shallowRender } from 'utils/jest';
+
+test('Matches snapshots', () => {
+  shallowRender(<NavLink />);
+});

__tests__/shared/ScalableRect.jsx

@@ -0,0 +1,12 @@
+import ScalableRect from 'components/ScalableRect';
+import React from 'react';
+import { snapshot } from 'utils/jest';
+
+test('Snapshots match', () => {
+  snapshot(<ScalableRect>CONTENT</ScalableRect>);
+  snapshot((
+    <ScalableRect
+      className="CLASS_NAME"
+    >CONTENT</ScalableRect>
+  ));
+});

__tests__/shared/__snapshots__/Link.jsx.snap

@@ -0,0 +1,14 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Matches snapshots 1`] = `
+<GenericLink
+  className={null}
+  enforceA={false}
+  onClick={null}
+  onMouseDown={null}
+  openNewTab={false}
+  replace={false}
+  routerLinkType={[Function]}
+  to=""
+/>
+`;

__tests__/shared/__snapshots__/ScalableRect.jsx.snap

@@ -0,0 +1,39 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Snapshots match 1`] = `
+<div
+  className="src-shared-components-ScalableRect-___style__container___3YhfN"
+  style={
+    Object {
+      "paddingBottom": "100%",
+    }
+  }
+>
+  <div
+    className="src-shared-components-ScalableRect-___style__wrapper___3qZoW"
+  >
+    CONTENT
+  </div>
+</div>
+`;
+
+exports[`Snapshots match 2`] = `
+<div
+  className="CLASS_NAME"
+>
+  <div
+    className="src-shared-components-ScalableRect-___style__container___3YhfN"
+    style={
+      Object {
+        "paddingBottom": "100%",
+      }
+    }
+  >
+    <div
+      className="src-shared-components-ScalableRect-___style__wrapper___3qZoW"
+    >
+      CONTENT
+    </div>
+  </div>
+</div>
+`;

docs/jest-config.md

@@ -4,4 +4,8 @@ Standard configurations for [Jest](https://facebook.github.io/jest/).
 **Why?** — We use Jest for unit-testing of critical code. Having
 a standard configuration and setup reused between our projects, helps a lot.
 
-*TO BE WRITTEN*
+For Jest configuration this package provides:
+- **`config/jest/default`** — The standard  Jest config;
+- **`config/jest/setup`** — The standard Jest setup script. At the moment
+  it just sets up [`raf/polyfill`](https://www.npmjs.com/package/raf), required
+  by React.

src/shared/components/GenericLink.jsx

@@ -58,7 +58,7 @@ export default function GenericLink(props) {
          * preventing event processing by React Router. */
         const url = new Url(to);
         if (url.origin !== document.location.origin) {
-          document.location = to;
+          document.location.assign(to);
           e.preventDefault();
 
         /* Scroll to the top-left corner of the page, just in case the link