Add unit tests for OriginInfo

src/components/Office/OriginInfo/OriginInfo.test.jsx

@@ -0,0 +1,58 @@
+import React from 'react';
+import { render, waitFor, screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import { Formik } from 'formik';
+
+import OriginInfo from 'components/Office/OriginInfo/OriginInfo';
+
+const defaultProps = {
+  setFieldValue: jest.fn(),
+  currentZip: '90210',
+  isUseResidentialAddressZIPChecked: false,
+  postalCodeValidator: jest.fn(),
+};
+
+describe('OriginInfo component', () => {
+  it('renders blank form on load', async () => {
+    render(
+      <Formik
+        initialValues={{
+          plannedDepartureDate: '',
+          originPostalCode: '',
+          useResidentialAddressZIP: false,
+          secondOriginPostalCode: '',
+        }}
+      >
+        <OriginInfo {...defaultProps} />
+      </Formik>,
+    );
+    expect(await screen.getByRole('heading', { level: 2, name: 'Origin info' })).toBeInTheDocument();
+    expect(screen.getByLabelText('Planned departure date')).toBeInstanceOf(HTMLInputElement);
+    expect(screen.getByLabelText('Origin ZIP')).toBeInstanceOf(HTMLInputElement);
+    expect(screen.getByLabelText('Second origin ZIP (optional)')).toBeInstanceOf(HTMLInputElement);
+  });
+
+  it('fills in current ZIP when use current ZIP checkbox is checked', async () => {
+    render(
+      <Formik
+        initialValues={{
+          plannedDepartureDate: '',
+          originPostalCode: '',
+          useResidentialAddressZIP: false,
+          secondOriginPostalCode: '',
+        }}
+      >
+        {({ setFieldValue }) => {
+          return <OriginInfo {...defaultProps} setFieldValue={setFieldValue} />;
+        }}
+      </Formik>,
+    );
+    const useCurrentZip = screen.getByText('Use current ZIP');
+    const originZip = screen.getByLabelText('Origin ZIP');
+    expect(originZip.value).toBe('');
+    userEvent.click(useCurrentZip);
+    await waitFor(() => {
+      expect(originZip.value).toBe(defaultProps.currentZip);
+    });
+  });
+});