1 files changed, 21 insertions, 0 deletions
diff --git a/finished-application/frontend/__tests__/CartCount.test.js b/finished-application/frontend/__tests__/CartCount.test.js
new file mode 100644
index 0000000..8ace3da
--- /dev/null
+++ b/finished-application/frontend/__tests__/CartCount.test.js
@@ -0,0 +1,21 @@
+import { shallow, mount } from 'enzyme';
+import toJSON from 'enzyme-to-json';
+import CartCount from '../components/CartCount';
+
+describe('<CartCount/>', () => {
+  it('renders', () => {
+    shallow(<CartCount count={10} />);
+  });
+
+  it('matches the snapshot', () => {
+    const wrapper = shallow(<CartCount count={11} />);
+    expect(toJSON(wrapper)).toMatchSnapshot();
+  });
+
+  it('updates via props', () => {
+    const wrapper = shallow(<CartCount count={50} />);
+    expect(toJSON(wrapper)).toMatchSnapshot();
+    wrapper.setProps({ count: 10 });
+    expect(toJSON(wrapper)).toMatchSnapshot();
+  });
+});