Created GraphCard test

test/visits/helpers/GraphCard.test.js

@@ -0,0 +1,49 @@
+import React from 'react';
+import { shallow } from 'enzyme';
+import { Card, CardBody, CardHeader, CardFooter } from 'reactstrap';
+import GraphCard from '../../../src/visits/helpers/GraphCard';
+import DefaultChart from '../../../src/visits/helpers/DefaultChart';
+
+describe('<GraphCard />', () => {
+  let wrapper;
+  const createWrapper = (title = '', footer) => {
+    wrapper = shallow(<GraphCard title={title} footer={footer} />);
+
+    return wrapper;
+  };
+
+  afterEach(() => wrapper && wrapper.unmount());
+
+  it('renders expected components', () => {
+    const wrapper = createWrapper();
+    const card = wrapper.find(Card);
+    const header = wrapper.find(CardHeader);
+    const body = wrapper.find(CardBody);
+    const chart = wrapper.find(DefaultChart);
+    const footer = wrapper.find(CardFooter);
+
+    expect(card).toHaveLength(1);
+    expect(header).toHaveLength(1);
+    expect(body).toHaveLength(1);
+    expect(chart).toHaveLength(1);
+    expect(footer).toHaveLength(0);
+  });
+
+  it.each([
+    [ 'the title', 'the title' ],
+    [ () => 'the title from func', 'the title from func' ],
+  ])('properly renders title by parsing provided value', (title, expectedTitle) => {
+    const wrapper = createWrapper(title);
+    const header = wrapper.find(CardHeader);
+
+    expect(header.html()).toContain(expectedTitle);
+  });
+
+  it('renders footer only when provided', () => {
+    const wrapper = createWrapper('', 'the footer');
+    const footer = wrapper.find(CardFooter);
+
+    expect(footer).toHaveLength(1);
+    expect(footer.html()).toContain('the footer');
+  });
+});