Castform: unit tests refactoring to reduce nesting

src/templates/__tests__/Castform.test.js

@@ -6,37 +6,40 @@ import FirebaseStub, { DatabaseConstants } from 'gatsby-plugin-firebase';
 import '../../i18n/index';
 import Castform from '../Castform';
 
-describe('Castform', () => {
+const birthDateLabelMatcher = /Date of birth/i;
-  let resume = {};
 
-  beforeEach(async () => {
+async function setup(resumeId) {
   FirebaseStub.database().initializeData();
 
-    const resumeId = DatabaseConstants.initialStateResumeId;
+  const resume = (
-    resume = (
     await FirebaseStub.database()
       .ref(`${DatabaseConstants.resumesPath}/${resumeId}`)
       .once('value')
   ).val();
-  });
 
-  it('renders correctly', () => {
+  return resume;
+}
+
+test('renders correctly', async () => {
+  const resume = await setup(DatabaseConstants.initialStateResumeId);
+
   const { container } = render(<Castform data={resume} />);
 
   expect(container).toBeTruthy();
   expect(container).toBeInTheDocument();
-  });
+});
 
-  describe('date of birth', () => {
+test('date of birth is not shown if not provided', async () => {
-    const birthDateLabelMatcher = /Date of birth/i;
+  const resume = await setup(DatabaseConstants.initialStateResumeId);
 
-    it('is not shown if not provided', () => {
   render(<Castform data={resume} />);
 
   expect(screen.queryByText(birthDateLabelMatcher)).toBeNull();
-    });
+});
+
+test('date of birth is shown if provided', async () => {
+  const resume = await setup(DatabaseConstants.initialStateResumeId);
 
-    it('is shown if provided', () => {
   const birthDate = new Date(1990, 0, 20);
   const birthDateFormatted = '20 January 1990';
   resume.profile.birthDate = birthDate;
@@ -47,6 +50,4 @@ describe('Castform', () => {
   expect(screen.getByText(birthDateLabelMatcher)).toBeInTheDocument();
   expect(screen.getByText(birthDateFormatted)).toBeTruthy();
   expect(screen.getByText(birthDateFormatted)).toBeInTheDocument();
-    });
-  });
 });