Fix unit tests

Author: chris-elliott-nhsd

frontend/src/__tests__/components/forms/SubmitTemplate/SubmitTemplate.test.tsx

@@ -5,7 +5,7 @@ jest.mock('@utils/amplify-utils');
 
 jest.mock('@forms/SubmitTemplate/server-action', () => ({
   submitTemplate: {
-    bind: () => {},
+    bind: () => '/action',
   },
 }));
 

frontend/src/__tests__/components/forms/SubmitTemplate/__snapshots__/SubmitTemplate.test.tsx.snap

@@ -62,7 +62,9 @@ exports[`SubmitTemplate component should render 1`] = `
         <p>
           If you want to change a submitted template, you must create and submit a new template to replace it.
         </p>
-        <form>
+        <form
+          action="/action"
+        >
           <input
             name="form-id"
             readonly=""

frontend/src/__tests__/components/molecules/NHSNotifyFormWrapper.test.tsx

@@ -1,5 +1,11 @@
+import { mockDeep } from 'jest-mock-extended';
 import { render } from '@testing-library/react';
-import { NHSNotifyFormWrapper } from '@molecules/NHSNotifyFormWrapper/NHSNotifyFormWrapper';
+import {
+  NHSNotifyFormWrapper,
+  csrfServerAction,
+} from '@molecules/NHSNotifyFormWrapper/NHSNotifyFormWrapper';
+
+jest.mock('@utils/csrf-utils');
 
 test('Renders back button', () => {
   const container = render(
@@ -10,3 +16,23 @@ test('Renders back button', () => {
 
   expect(container.asFragment()).toMatchSnapshot();
 });
+
+describe('csrfServerAction', () => {
+  test('string action', async () => {
+    const action = csrfServerAction('/action');
+
+    expect(action).toEqual('/action');
+  });
+
+  test('server action', async () => {
+    const action = csrfServerAction(() => 'response');
+
+    if (typeof action === 'string') {
+      throw new TypeError('Expected server action');
+    }
+
+    const response = await action(mockDeep<FormData>());
+
+    expect(response).toEqual('response');
+  });
+});