From 0e65e84859c19256bc05e2b285d6faefb056fe3f Mon Sep 17 00:00:00 2001
From: Brandon Orther <brandon@uptrend.tech>
Date: Tue, 22 May 2018 13:31:29 -0700
Subject: [PATCH] feat: Initial working createResource ResourceRequester
 component

---
 .../resource/components/ResourceRequester.js  | 123 ++++++++++++++
 .../__tests__/ResourceRequester.test.js       | 156 ++++++++++++++++++
 2 files changed, 279 insertions(+)
 create mode 100644 src/helpers/resource/components/ResourceRequester.js
 create mode 100644 src/helpers/resource/components/__tests__/ResourceRequester.test.js

diff --git a/src/helpers/resource/components/ResourceRequester.js b/src/helpers/resource/components/ResourceRequester.js
new file mode 100644
index 0000000..9118cde
--- /dev/null
+++ b/src/helpers/resource/components/ResourceRequester.js
@@ -0,0 +1,123 @@
+import React from 'react'
+import PropTypes from 'prop-types'
+import {connect} from 'react-redux'
+import {
+  resourceCreateRequest,
+  // resourceUpdateRequest,
+  // resourceDeleteRequest,
+} from '../../../modules/resource/actions'
+
+class ResourceRequester extends React.Component {
+  state = {
+    requestResult: null,
+    error: null,
+    loading: false,
+  }
+
+  getRequesResultValuesObj() {
+    const {requestResult} = this.state
+    const entities = requestResult && requestResult.entities
+    const result = requestResult && requestResult.data
+
+    return {entities, requestResult, result}
+  }
+
+  getStatusObj() {
+    const error = !!this.state.error
+    const loading = this.state.loading
+    const success = !!this.state.requestResult && !loading
+    const initial = !error && !loading && !success
+
+    return {error, initial, loading, success}
+  }
+
+  createResource = data => {
+    this.setState({loading: true})
+    this.requestResourceCreate(data).then(
+      this.requestResourceSuccess,
+      this.requestResourceError,
+    )
+  }
+
+  requestResourceError = error => {
+    this.setState({loading: false, error})
+  }
+
+  requestResourceSuccess = payload => {
+    const requestResult = {
+      api: payload.api,
+      data: payload.data,
+      entities: payload.entities,
+      entityType: payload.entityType,
+      resource: payload.resource,
+    }
+
+    this.setState({
+      requestResult,
+      error: null,
+      loading: false,
+    })
+  }
+
+  requestResourceCreate = data => {
+    const {requestCreate, resource, entityType} = this.props
+    return requestCreate(resource, data, entityType)
+  }
+
+  // requestResourceDelete = data => {
+  //   const {requestDelete, resource, entityType} = this.props
+  //   return requestDelete(resource, data, entityType)
+  // }
+
+  // requestResourceUpdate = data => {
+  //   const {requestUpdate, resource, entityType} = this.props
+  //   return requestUpdate(resource, data, entityType)
+  // }
+
+  resetState = () => {
+    this.setState({
+      requestResult: null,
+      error: null,
+      loading: false,
+    })
+  }
+
+  render() {
+    if (typeof this.props.children !== 'function') {
+      throw new Error('Children should be a Function!')
+    }
+
+    const {error} = this.state
+    const {entityType} = this.props
+    const {result, ...requestResultValues} = this.getRequesResultValuesObj()
+
+    return this.props.children({
+      createResource: this.createResource,
+      status: this.getStatusObj(),
+      error,
+      entityType,
+      result,
+      ...requestResultValues,
+    })
+  }
+}
+
+ResourceRequester.propTypes = {
+  children: PropTypes.func.isRequired,
+  entityType: PropTypes.string,
+  // list: PropTypes.bool.isRequired,
+  requestCreate: PropTypes.func,
+  // requestDelete: PropTypes.func,
+  // requestUpdate: PropTypes.func,
+  // requestParams: PropTypes.object,
+  resource: PropTypes.string.isRequired,
+  // resourceId: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
+}
+
+const mapDispatchToProps = {
+  requestCreate: resourceCreateRequest,
+  // requestDelete: resourceDeleteRequest,
+  // requestUpdate: resourceUpdateRequest,
+}
+
+export default connect(null, mapDispatchToProps)(ResourceRequester)
diff --git a/src/helpers/resource/components/__tests__/ResourceRequester.test.js b/src/helpers/resource/components/__tests__/ResourceRequester.test.js
new file mode 100644
index 0000000..5a1f3b0
--- /dev/null
+++ b/src/helpers/resource/components/__tests__/ResourceRequester.test.js
@@ -0,0 +1,156 @@
+import React from 'react'
+import MockAdapter from 'axios-mock-adapter'
+import createSagaMiddleware from 'redux-saga'
+import {Provider} from 'react-redux'
+import {createStore, applyMiddleware, combineReducers} from 'redux'
+import {render, Simulate, wait} from 'react-testing-library'
+import {schema} from 'normalizr'
+import ReduxThunk from 'redux-thunk'
+// eslint-disable-next-line
+import 'dom-testing-library/extend-expect'
+import {middleware as ReduxSagaThunk} from 'redux-saga-thunk'
+import ResourceRequester from '../ResourceRequester'
+import {createResource, createEntities} from '../../../../'
+import API from '../../../../utils/test/api'
+
+const {api, axiosInstance} = API.create()
+const mockApi = new MockAdapter(axiosInstance, {delayResponse: 300})
+
+function createStoreForTests(initialState) {
+  const resource = createResource()
+  const entities = createEntities({
+    isDevEnv: false,
+    schemas: {
+      user: new schema.Entity('user', {}, {idAttribute: 'uuid'}),
+      team: new schema.Entity('team', {idAttribute: 'id'}),
+    },
+  })
+  const reducer = combineReducers({
+    entities: entities.reducer,
+    resource: resource.reducer,
+  })
+  const sagas = resource.sagas
+  const sagaMiddleware = createSagaMiddleware()
+  const store = createStore(
+    reducer,
+    initialState,
+    applyMiddleware(ReduxSagaThunk, ReduxThunk, sagaMiddleware),
+  )
+  sagaMiddleware.run(sagas, {api})
+  return store
+}
+
+function renderWithRedux(
+  ui,
+  {initialState, store = createStoreForTests(initialState)} = {},
+) {
+  return {
+    ...render(<Provider store={store}>{ui}</Provider>),
+    // adding `store` to the returned utilities to allow us
+    // to reference it in our tests (just try to avoid using
+    // this to test implementation details).
+    store,
+  }
+}
+
+// eslint-disable-next-line react/prop-types
+const Status = ({children, initial, loading, error, success}) => {
+  if (initial) return <div data-testid="render-initial">Initial</div>
+  if (loading) return <div data-testid="render-loading">Loading</div>
+  if (error) return <div data-testid="render-error">{children}</div>
+  if (success) return <div data-testid="render-success">{children}</div>
+  throw new Error('Status component not passed status prop')
+}
+
+test('ResourceRequester component receives props and renders initial status', () => {
+  // Renders ResourceRequester component with statusView from renderInitial prop.
+  const {getByTestId} = renderWithRedux(
+    <ResourceRequester resource={'example'}>
+      {({status}) => <div>{status.initial && <Status initial />}</div>}
+    </ResourceRequester>,
+  )
+
+  // Expects ResourceRequester component to render statusView from renderInitial.
+  expect(getByTestId('render-initial')).toHaveTextContent('Initial')
+})
+
+test('ResourceRequester POSTs when createResource called and renders results', async () => {
+  const newUserData = {id: 1, name: 'Ben'}
+  mockApi.onPost('/user').reply(201, {...newUserData})
+
+  // Renders ResourceRequester component with statusView from renderInitial prop.
+  const {getByTestId, getByText} = renderWithRedux(
+    <ResourceRequester resource={'user'}>
+      {({status, createResource: createUser, result: user}) => (
+        <div>
+          <div>
+            <button
+              onClick={e => {
+                e.preventDefault()
+                createUser({...newUserData})
+              }}
+              data-testid="create-user"
+            >
+              Create User
+            </button>
+          </div>
+          {status.initial && <Status initial />}
+          {status.success && (
+            <Status success>
+              <div key={user.id}>
+                {user.id}:{user.name}
+              </div>
+            </Status>
+          )}
+        </div>
+      )}
+    </ResourceRequester>,
+  )
+
+  // Expects ResourceRequester component to render statusView from renderInitial.
+  expect(getByTestId('render-initial')).toHaveTextContent('Initial')
+
+  // Simulating a button click in the browser
+  Simulate.click(getByText('Create User'))
+
+  // Expects ResourceRequester component to render statusView from renderLoading.
+  await wait(() => expect(getByTestId('render-success')).toBeInTheDOM())
+})
+
+// test('ResourceRequester loads with params passed in', async () => {
+//   mockApi
+//     .onGet('/dude', {params: {best: 'dude'}})
+//     .reply(200, [{id: 1, name: 'Ben'}, {id: 2, name: 'Sam'}])
+
+//   // Renders ResourceRequester component with statusView from renderInitial prop.
+//   const {getByTestId} = renderWithRedux(
+//     <ResourceRequester
+//       resource={'dude'}
+//       renderInitial={() => <Status initial />}
+//       renderError={error => <Status error>{error}</Status>}
+//       renderLoading={() => <Status loading />}
+//       renderSuccess={userList => (
+//         <Status success>
+//           {userList.map(user => (
+//             <div key={user.id}>
+//               {user.id}:{user.name}
+//             </div>
+//           ))}
+//         </Status>
+//       )}
+//       requestParams={{best: 'dude'}}
+//       loadOnMount
+//       list
+//     >
+//       {({statusView}) => <div>{statusView}</div>}
+//     </ResourceRequester>,
+//   )
+
+//   // Expects ResourceRequester component to render statusView from renderLoading.
+//   expect(getByTestId('render-loading')).toHaveTextContent('Loading')
+
+//   // expect(api.get).toHaveBeenCalled()
+//   // console.log(mockApi.history.get)
+//   // // Expects ResourceRequester component to render statusView from renderSuccess.
+//   await wait(() => expect(getByTestId('render-success')).toBeInTheDOM())
+// })