Unit Testing (#35)

* add testing lib

* remove coverage folder from git

* finished basic test setup

* fix tests typescript and import paths

* add first snapshot

* testing utils

* rename test files; update script flags; ++tests

* testing utils functions

* testing downloadAndResize wip

* remove download test

* specify unwanted coverage paths;
remove update snapshots flag

* fix strings tests

* testing downloadAndResize method

* increasing testing

* fixing snapshots wip

* fixed shell mobile snapshot

* adding snapshots for the screens

* fix onboard snapshot

* fix typescript issues

* fix TabsSelector snapshot

* Account for testing device's locale in ago() tests

* Remove platform detection on regex

* mocking store state wip

* mocking store state

* increasing test coverage

* increasing test coverage

* increasing test coverage on src/screens

* src/screens (except for profile) above 80% cov

* testing profile screen wip

* increase coverage on Menu and TabsSelector

* mocking profile ui state wip

* mocking profile ui state wip

* fixing mobileshell tests wip

* snapshots using testing-library

* fixing profile tests wip

* removing mobile shell tests

* src/view/com tests wip

* remove unnecessary patch-package

* fixed profile test error

* clear mocks after every test

* fix base mocked store values (getters)

* fix base mocked store values
(hasLoaded, nonReplyFeed)

* profile screen above 80% coverage

* testing custom hooks

* improving composer coverage

* fix tests after merge

* finishing composer coverage

* improving src/com/discover coverage

* improve src/view/com/login coverage
fix SuggestedFollows tests
adding some comments

* fix SuggestedFollows tests

* improve src/view/com/profile coverage
extra minor fixes

* improve src/view/com/notifications coverage

* update coverage ignore patterns

* rename errorMessageTryAgainButton
increase SuggestedFollows converage

* improve src/view/com/posts coverage

* improve src/view/com/onboard coverage

* update snapshot

* improve src/view/com/post coverage

* improve src/view/com/post-thread coverage
rename ErrorMessage tests
test Debug and Log components

* init testing state

* testing root-store

* updating comments

* small fixes

* removed extra console logs

* improve src/state/models coverage
refactor rootStore
rename some spies

* adding cleanup method after tests

* improve src/state/models coverage

* improve src/state/models coverage

* improve src/state/models coverage

* improve src/state/models coverage

* test setInterval in setupState

* Clean up tests and update Home screen state management

* Remove some tests we dont need

* Remove snapshot tests

* Remove any tests that dont demonstrate clear value

* Cleanup

Co-authored-by: Paul Frazee <pfrazee@gmail.com>

2 files changed, 33 insertions, 21 deletions

diff --git a/jest/jestSetup.js b/jest/jestSetup.js
index 7a2f10d2d..1cad50c7a 100644
--- a/jest/jestSetup.js
+++ b/jest/jestSetup.js
@@ -1,17 +1,17 @@
+import 'react-native-gesture-handler/jestSetup'
 jest.mock('@react-native-async-storage/async-storage', () =>
   require('@react-native-async-storage/async-storage/jest/async-storage-mock'),
 )
 jest.mock('react-native/Libraries/EventEmitter/NativeEventEmitter')
 
+// Silence the warning: Animated: `useNativeDriver` is not supported
+jest.mock('react-native/Libraries/Animated/NativeAnimatedHelper')
+require('react-native-reanimated/lib/reanimated2/jestUtils').setUpTests()
+
 jest.mock('@fortawesome/react-native-fontawesome', () => ({
   FontAwesomeIcon: '',
 }))
 
-require('react-native-reanimated/lib/reanimated2/jestUtils').setUpTests()
-
-// Silence the warning: Animated: `useNativeDriver` is not supported
-jest.mock('react-native/Libraries/Animated/NativeAnimatedHelper')
-
 jest.mock('react-native-safe-area-context', () => {
   const inset = {top: 0, right: 0, bottom: 0, left: 0}
   return {
@@ -36,4 +36,18 @@ jest.mock('@gorhom/bottom-sheet', () => {
   }
 })
 
-jest.useFakeTimers()
+jest.mock('rn-fetch-blob', () => ({
+  config: jest.fn().mockReturnThis(),
+  cancel: jest.fn(),
+  fetch: jest.fn(),
+}))
+
+jest.mock('@bam.tech/react-native-image-resizer', () => ({
+  createResizedImage: jest.fn(),
+}))
+
+import {View as mockedView} from 'react-native'
+jest.mock('react-native-tab-view', () => ({
+  ...jest.requireActual('react-native-tab-view'),
+  TabView: mockedView,
+}))
diff --git a/jest/test-utils.tsx b/jest/test-utils.tsx
index a5946ed06..c84ee637e 100644
--- a/jest/test-utils.tsx
+++ b/jest/test-utils.tsx
@@ -1,29 +1,27 @@
 import React from 'react'
-import RN from 'react-native'
 import {render} from '@testing-library/react-native'
 import {GestureHandlerRootView} from 'react-native-gesture-handler'
 import {RootSiblingParent} from 'react-native-root-siblings'
 import {SafeAreaProvider} from 'react-native-safe-area-context'
-import {DEFAULT_SERVICE, RootStoreModel, RootStoreProvider} from '../src/state'
-import {SessionServiceClient} from '../src/third-party/api/src'
-import {sessionClient as AtpApi} from '../src/third-party/api'
+import {RootStoreProvider} from '../src/state'
+import {mockedRootStore} from '../__mocks__/state-mock'
 
-const WrappedComponent = ({children}: any) => {
-  const api = AtpApi.service(DEFAULT_SERVICE) as SessionServiceClient
-  const rootStore = new RootStoreModel(api)
-  return (
+const customRender = (ui: any, storeMock?: any) =>
+  render(
+    // eslint-disable-next-line react-native/no-inline-styles
     <GestureHandlerRootView style={{flex: 1}}>
       <RootSiblingParent>
-        <RootStoreProvider value={rootStore}>
-          <SafeAreaProvider>{children}</SafeAreaProvider>
+        <RootStoreProvider
+          value={
+            storeMock != null
+              ? {...mockedRootStore, ...storeMock}
+              : mockedRootStore
+          }>
+          <SafeAreaProvider>{ui}</SafeAreaProvider>
         </RootStoreProvider>
       </RootSiblingParent>
-    </GestureHandlerRootView>
+    </GestureHandlerRootView>,
   )
-}
-
-const customRender = (ui: any, options?: any) =>
-  render(ui, {wrapper: WrappedComponent, ...options})
 
 // re-export everything
 export * from '@testing-library/react-native'