Add a test case for bullet list style component (#27)

tests/stylized/BulletListStyle.js

@@ -0,0 +1,42 @@
+import React from 'react'
+
+import { mount, render } from 'enzyme'
+import chai, { expect } from 'chai'
+import chaiEnzyme from 'chai-enzyme'
+import sinon from 'sinon'
+
+chai.use(chaiEnzyme())
+
+import BulletListStyle from '../../src/stylized/BulletListStyle'
+
+describe('<BulletListStyle />:', () => {
+  it('has a `svg`', () => {
+      const wrapper = render(<BulletListStyle />)
+      expect(wrapper.find('svg')).to.have.length(1)
+  })
+
+  it('has a `rect` with `clip-path`', () => {
+      const wrapper = render(<BulletListStyle />)
+      expect(wrapper.find('rect[clip-path]')).to.have.length(1)
+  })
+
+  it('has a `linearGradient`', () => {
+      const wrapper = render(<BulletListStyle />)
+      expect(wrapper.find('linearGradient')).to.have.length(1)
+  })
+
+  it('has three `stop`', () => {
+      const wrapper = render(<BulletListStyle />)
+      expect(wrapper.find('stop')).to.have.length(3)
+  })
+
+  it('has `stop` inside the `linearGradient`', () => {
+      const wrapper = render(<BulletListStyle />)
+      expect(wrapper.find('stop').parent().is('lineargradient')).to.equal(true)
+  })
+
+  it('has four `circle`s followed by a `rect`', () => {
+    const wrapper = render(<BulletListStyle />)
+    expect(wrapper.find('circle + rect')).to.have.length(4)
+  })
+})