Added Message test

src/utils/Message.tsx

@@ -23,7 +23,7 @@ const getTextClassForType = (type: MessageType) => {
   return map[type];
 };
 
-interface MessageProps {
+export interface MessageProps {
   className?: string;
   loading?: boolean;
   fullWidth?: boolean;

test/utils/Message.test.tsx

@@ -0,0 +1,64 @@
+import { shallow, ShallowWrapper } from 'enzyme';
+import { PropsWithChildren } from 'react';
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
+import { Card } from 'reactstrap';
+import Message, { MessageProps } from '../../src/utils/Message';
+
+describe('<Message />', () => {
+  let wrapper: ShallowWrapper;
+  const createWrapper = (props: PropsWithChildren<MessageProps> = {}) => {
+    wrapper = shallow(<Message {...props} />);
+
+    return wrapper;
+  };
+
+  afterEach(() => wrapper?.unmount());
+
+  it.each([
+    [ true, 1, 0 ],
+    [ false, 0, 1 ],
+    [ undefined, 0, 1 ],
+  ])('renders expected classes based on width', (fullWidth, expectedFull, expectedNonFull) => {
+    const wrapper = createWrapper({ fullWidth });
+
+    expect(wrapper.find('.col-md-12')).toHaveLength(expectedFull);
+    expect(wrapper.find('.col-md-10')).toHaveLength(expectedNonFull);
+  });
+
+  it.each([
+    [ true, 'These are the children contents' ],
+    [ false, 'These are the children contents' ],
+    [ true, undefined ],
+    [ false, undefined ],
+  ])('renders expected content', (loading, children) => {
+    const wrapper = createWrapper({ loading, children });
+
+    expect(wrapper.find(FontAwesomeIcon)).toHaveLength(loading ? 1 : 0);
+
+    if (loading) {
+      expect(wrapper.find('span').text()).toContain(children ? children : 'Loading...');
+    } else {
+      expect(wrapper.find('span')).toHaveLength(0);
+      expect(wrapper.find('h3').text()).toContain(children ? children : '');
+    }
+  });
+
+  it.each([
+    [ 'error', 'border-danger', 'text-danger' ],
+    [ 'default', '', 'text-muted' ],
+    [ undefined, '', 'text-muted' ],
+  ])('renders proper classes based on message type', (type, expectedCardClass, expectedH3Class) => {
+    const wrapper = createWrapper({ type: type as 'default' | 'error' | undefined });
+    const card = wrapper.find(Card);
+    const h3 = wrapper.find('h3');
+
+    expect(card.prop('className')).toEqual(expectedCardClass);
+    expect(h3.prop('className')).toEqual(`text-center mb-0 ${expectedH3Class}`);
+  });
+
+  it.each([{ className: 'foo' }, { className: 'bar' }, {}])('renders provided classes', ({ className }) => {
+    const wrapper = createWrapper({ className });
+
+    expect(wrapper.prop('className')).toEqual(className);
+  });
+});