[refactor] refactor and add tests for Center and Confirmation

As a couple of initial, example tests, Center and Confirmation were
refactored and tests were set up and added with mocha, enzyme and
chai. Spinner was also refactored.

1 files changed, 43 insertions, 0 deletions

diff --git a/ui/test/components/center.js b/ui/test/components/center.js
new file mode 100644
index 00000000..e9242e7d
--- /dev/null
+++ b/ui/test/components/center.js
@@ -0,0 +1,43 @@
+import React from 'react';
+import {shallow} from 'enzyme';
+import chaiEnzyme from 'chai-enzyme'
+import chai, { expect } from 'chai'
+import Center from '../../app/components/center';
+
+
+describe('Center Component', () => {
+
+  chai.use(chaiEnzyme())
+
+  it('has reasonable defaults', () => {
+    const center = shallow(
+      <Center>
+        test
+      </Center>
+    )
+
+    expect(center.hasClass("center-both"))
+
+    expect(center.find(".center-item")).to.not.have.style('width')
+  })
+
+  it('has a width parameter on the inner div', () => {
+    const center = shallow(
+      <Center width="10">
+        test
+      </Center>
+    )
+
+    expect(center.find(".center-item")).to.have.style('width').equal('10px')
+  })
+
+  it('sets direction parameter in the class name', () => {
+    const center = shallow(
+      <Center direction="vertically">
+        test
+      </Center>
+    )
+
+    expect(center).to.have.className("center-vertically")
+  })
+})