Admin: Fixes so form values are filled in from backend (#30544)

* Admin: Fixes so form values are filled in from backend

* Chore: tidy up the imports

public/app/features/users/SignupInvited.test.tsx

+import React from 'react';
+import * as redux from 'react-redux';
+import { render, screen, waitFor, within } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+
+import SignupInvitedPage from './SignupInvited';
+import { backendSrv } from '../../core/services/backend_srv';
+
+jest.mock('app/core/core', () => ({
+  contextSrv: {
+    user: { orgName: 'Invited to Org Name' },
+  },
+}));
+
+jest.mock('@grafana/runtime', () => ({
+  ...((jest.requireActual('@grafana/runtime') as unknown) as object),
+  getBackendSrv: () => backendSrv,
+}));
+
+const defaultGet = {
+  email: 'some.user@localhost',
+  name: 'Some User',
+  invitedBy: 'Invited By User',
+  username: 'someuser',
+};
+
+async function setupTestContext({ get = defaultGet }: { get?: typeof defaultGet | null } = {}) {
+  jest.clearAllMocks();
+
+  const reduxSpy = jest.spyOn(redux, 'useSelector');
+  reduxSpy.mockReturnValue('some code');
+
+  const getSpy = jest.spyOn(backendSrv, 'get');
+  getSpy.mockResolvedValue(get);
+
+  const postSpy = jest.spyOn(backendSrv, 'post');
+  postSpy.mockResolvedValue([]);
+
+  render(<SignupInvitedPage />);
+
+  await waitFor(() => expect(getSpy).toHaveBeenCalled());
+  expect(getSpy).toHaveBeenCalledTimes(1);
+
+  return { getSpy, postSpy };
+}
+
+describe('SignupInvitedPage', () => {
+  describe('when initialized but invite data has not been retrieved yet', () => {
+    it('then it should not render', async () => {
+      await setupTestContext({ get: null });
+
+      expect(screen.queryByText(/email/i)).not.toBeInTheDocument();
+    });
+  });
+
+  describe('when initialized and invite data has been retrieved', () => {
+    it('then the greeting should be correct', async () => {
+      await setupTestContext();
+
+      expect(
+        screen.getByRole('heading', {
+          name: /hello some user\./i,
+        })
+      ).toBeInTheDocument();
+    });
+
+    it('then the invited by should be correct', async () => {
+      await setupTestContext();
+
+      const view = screen.getByText(
+        /has invited you to join grafana and the organization please complete the following and choose a password to accept your invitation and continue:/i
+      );
+
+      expect(within(view).getByText(/invited by user/i)).toBeInTheDocument();
+    });
+
+    it('then the organization invited to should be correct', async () => {
+      await setupTestContext();
+
+      const view = screen.getByText(
+        /has invited you to join grafana and the organization please complete the following and choose a password to accept your invitation and continue:/i
+      );
+
+      expect(within(view).getByText(/invited to org name/i)).toBeInTheDocument();
+    });
+
+    it('then the form should include form data', async () => {
+      await setupTestContext();
+
+      expect(screen.getByPlaceholderText(/email@example\.com/i)).toHaveValue('some.user@localhost');
+      expect(screen.getByPlaceholderText(/name \(optional\)/i)).toHaveValue('Some User');
+      expect(screen.getByPlaceholderText(/username/i)).toHaveValue('some.user@localhost');
+      expect(screen.getByPlaceholderText(/password/i)).toHaveValue('');
+    });
+  });
+
+  describe('when user submits the form and the required fields are not filled in', () => {
+    it('then required fields should show error messages and nothing should be posted', async () => {
+      const { postSpy } = await setupTestContext({ get: { email: '', invitedBy: '', name: '', username: '' } });
+
+      userEvent.click(screen.getByRole('button', { name: /sign up/i }));
+
+      await waitFor(() => expect(screen.getByText(/email is required/i)).toBeInTheDocument());
+      expect(screen.getByText(/username is required/i)).toBeInTheDocument();
+      expect(screen.getByText(/password is required/i)).toBeInTheDocument();
+      expect(postSpy).toHaveBeenCalledTimes(0);
+    });
+  });
+
+  describe('when user submits the form and the required fields are filled in', () => {
+    it('then correct form data should be posted', async () => {
+      const { postSpy } = await setupTestContext();
+
+      await userEvent.type(screen.getByPlaceholderText(/password/i), 'pass@word1');
+      userEvent.click(screen.getByRole('button', { name: /sign up/i }));
+
+      await waitFor(() => expect(postSpy).toHaveBeenCalledTimes(1));
+      expect(postSpy).toHaveBeenCalledWith('/api/user/invite/complete', {
+        email: 'some.user@localhost',
+        name: 'Some User',
+        username: 'some.user@localhost',
+        password: 'pass@word1',
+        inviteCode: 'some code',
+      });
+    });
+  });
+});

public/app/features/users/SignupInvited.tsx

 import React, { FC, useState } from 'react';
-import { hot } from 'react-hot-loader';
-import { connect, MapDispatchToProps, MapStateToProps } from 'react-redux';
-import { StoreState } from 'app/types';
-import { updateLocation } from 'app/core/actions';
+import { useSelector } from 'react-redux';
 import { getBackendSrv } from '@grafana/runtime';
 import { Button, Field, Form, Input } from '@grafana/ui';
 import { useAsync } from 'react-use';
+
+import { StoreState } from 'app/types';
 import Page from 'app/core/components/Page/Page';
 import { contextSrv } from 'app/core/core';
 import { getConfig } from 'app/core/config';
-import { UrlQueryValue } from '@grafana/data';
-
-interface ConnectedProps {
-  code?: UrlQueryValue;
-}
-
-interface DispatchProps {
-  updateLocation: typeof updateLocation;
-}
 
 interface FormModel {
   email: string;
@@ -38,12 +28,13 @@ const navModel = {
   },
 };
 
-const SingupInvitedPageUnconnected: FC<DispatchProps & ConnectedProps> = ({ code }) => {
+export const SignupInvitedPage: FC = () => {
+  const code = useSelector((state: StoreState) => state.location.routeParams.code);
   const [initFormModel, setInitFormModel] = useState<FormModel>();
   const [greeting, setGreeting] = useState<string>();
   const [invitedBy, setInvitedBy] = useState<string>();
   useAsync(async () => {
-    const invite = await getBackendSrv().get('/api/user/invite/' + code);
+    const invite = await getBackendSrv().get(`/api/user/invite/${code}`);
     setInitFormModel({
       email: invite.email,
       name: invite.name,
@@ -52,13 +43,17 @@ const SingupInvitedPageUnconnected: FC<DispatchProps & ConnectedProps> = ({ code
 
     setGreeting(invite.name || invite.email || invite.username);
     setInvitedBy(invite.invitedBy);
-  }, []);
+  }, [code]);
 
   const onSubmit = async (formData: FormModel) => {
     await getBackendSrv().post('/api/user/invite/complete', { ...formData, inviteCode: code });
     window.location.href = getConfig().appSubUrl + '/';
   };
 
+  if (!initFormModel) {
+    return null;
+  }
+
   return (
     <Page navModel={navModel}>
       <Page.Contents>
@@ -110,12 +105,4 @@ const SingupInvitedPageUnconnected: FC<DispatchProps & ConnectedProps> = ({ code
   );
 };
 
-const mapStateToProps: MapStateToProps<ConnectedProps, {}, StoreState> = (state: StoreState) => ({
-  code: state.location.routeParams.code,
-});
-
-const mapDispatchToProps: MapDispatchToProps<DispatchProps, {}> = {
-  updateLocation,
-};
-
-export default hot(module)(connect(mapStateToProps, mapDispatchToProps)(SingupInvitedPageUnconnected));
+export default SignupInvitedPage;