Initial version with tests for Android via Appium

.bundle/config

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+BUNDLE_PATH: "vendor/bundle"
+BUNDLE_FORCE_RUBY_PLATFORM: 1

.eslintrc.js

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+module.exports = {
+  root: true,
+  extends: '@react-native-community',
+};

.gitignore

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+# OSX
+#
+.DS_Store
+
+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+ios/.xcode.env.local
+
+# Android/IntelliJ
+#
+build/
+.idea
+.gradle
+local.properties
+*.iml
+*.hprof
+.cxx/
+*.keystore
+!debug.keystore
+
+# node.js
+#
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/
+
+**/fastlane/report.xml
+**/fastlane/Preview.html
+**/fastlane/screenshots
+**/fastlane/test_output
+
+# Bundle artifact
+*.jsbundle
+
+# Ruby / CocoaPods
+/ios/Pods/
+/vendor/bundle/
+
+# Temporary files created by Metro to check the health of the file watcher
+.metro-health-check*

.node-version

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+18

.prettierrc.js

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+module.exports = {
+  arrowParens: 'avoid',
+  bracketSameLine: true,
+  bracketSpacing: false,
+  singleQuote: true,
+  trailingComma: 'all',
+};

.vscode/settings.json

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+{
+    "java.compile.nullAnalysis.mode": "automatic"
+}

.watchmanconfig

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+{}

App.tsx

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+import React from 'react';
+import {NavigationContainer} from '@react-navigation/native';
+import {createNativeStackNavigator} from '@react-navigation/native-stack';
+
+import Home from './screens/Home';
+import {GestureHandlerRootView} from 'react-native-gesture-handler';
+import {StatusBar} from 'react-native';
+import Other from './screens/Other';
+
+const Stack = createNativeStackNavigator();
+
+function App(): JSX.Element {
+  return (
+    <>
+      <StatusBar />
+      <GestureHandlerRootView style={{flex: 1}}>
+        <NavigationContainer>
+          <Stack.Navigator initialRouteName="Home">
+            <Stack.Screen
+              name="Home"
+              component={Home}
+              options={{headerShown: true}}
+            />
+            <Stack.Screen
+              name="Other"
+              component={Other}
+              options={{headerShown: true}}
+            />
+          </Stack.Navigator>
+        </NavigationContainer>
+      </GestureHandlerRootView>
+    </>
+  );
+}
+
+export default App;

Gemfile

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+source 'https://rubygems.org'
+
+# You may use http://rbenv.org/ or https://rvm.io/ to install and use this version
+ruby '>= 2.6.10'
+
+gem 'cocoapods', '>= 1.11.3'

Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    CFPropertyList (3.0.6)
+      rexml
+    activesupport (7.0.5)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+    addressable (2.8.4)
+      public_suffix (>= 2.0.2, < 6.0)
+    algoliasearch (1.27.5)
+      httpclient (~> 2.8, >= 2.8.3)
+      json (>= 1.5.1)
+    atomos (0.1.3)
+    claide (1.1.0)
+    cocoapods (1.12.1)
+      addressable (~> 2.8)
+      claide (>= 1.0.2, < 2.0)
+      cocoapods-core (= 1.12.1)
+      cocoapods-deintegrate (>= 1.0.3, < 2.0)
+      cocoapods-downloader (>= 1.6.0, < 2.0)
+      cocoapods-plugins (>= 1.0.0, < 2.0)
+      cocoapods-search (>= 1.0.0, < 2.0)
+      cocoapods-trunk (>= 1.6.0, < 2.0)
+      cocoapods-try (>= 1.1.0, < 2.0)
+      colored2 (~> 3.1)
+      escape (~> 0.0.4)
+      fourflusher (>= 2.3.0, < 3.0)
+      gh_inspector (~> 1.0)
+      molinillo (~> 0.8.0)
+      nap (~> 1.0)
+      ruby-macho (>= 2.3.0, < 3.0)
+      xcodeproj (>= 1.21.0, < 2.0)
+    cocoapods-core (1.12.1)
+      activesupport (>= 5.0, < 8)
+      addressable (~> 2.8)
+      algoliasearch (~> 1.0)
+      concurrent-ruby (~> 1.1)
+      fuzzy_match (~> 2.0.4)
+      nap (~> 1.0)
+      netrc (~> 0.11)
+      public_suffix (~> 4.0)
+      typhoeus (~> 1.0)
+    cocoapods-deintegrate (1.0.5)
+    cocoapods-downloader (1.6.3)
+    cocoapods-plugins (1.0.0)
+      nap
+    cocoapods-search (1.0.1)
+    cocoapods-trunk (1.6.0)
+      nap (>= 0.8, < 2.0)
+      netrc (~> 0.11)
+    cocoapods-try (1.2.0)
+    colored2 (3.1.2)
+    concurrent-ruby (1.2.2)
+    escape (0.0.4)
+    ethon (0.16.0)
+      ffi (>= 1.15.0)
+    ffi (1.15.5)
+    fourflusher (2.3.1)
+    fuzzy_match (2.0.4)
+    gh_inspector (1.1.3)
+    httpclient (2.8.3)
+    i18n (1.14.0)
+      concurrent-ruby (~> 1.0)
+    json (2.6.3)
+    minitest (5.18.0)
+    molinillo (0.8.0)
+    nanaimo (0.3.0)
+    nap (1.1.0)
+    netrc (0.11.0)
+    public_suffix (4.0.7)
+    rexml (3.2.5)
+    ruby-macho (2.5.1)
+    typhoeus (1.4.0)
+      ethon (>= 0.9.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    xcodeproj (1.22.0)
+      CFPropertyList (>= 2.3.3, < 4.0)
+      atomos (~> 0.1.3)
+      claide (>= 1.0.2, < 2.0)
+      colored2 (~> 3.1)
+      nanaimo (~> 0.3.0)
+      rexml (~> 3.2.4)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  cocoapods (>= 1.11.3)
+
+RUBY VERSION
+   ruby 2.7.2p137
+
+BUNDLED WITH
+   2.1.4

__tests__/App.unit.tsx

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+/**
+ * @format
+ */
+import 'react-native';
+import React from 'react';
+import App from '../App';
+
+// Note: test renderer must be required after react-native.
+// import renderer from 'react-test-renderer';
+import {fireEvent, render} from '@testing-library/react-native';
+
+it('changes text when I press the button', () => {
+  const component = render(<App />);
+  expect(component.queryAllByText('Nothing to see here')).toHaveLength(1);
+  expect(component.queryAllByText('Still nothing to see here')).toHaveLength(0);
+
+  fireEvent.press(component.getByText('Do not click here'));
+
+  expect(component.queryAllByText('Nothing to see here')).toHaveLength(0);
+  expect(component.queryAllByText('Still nothing to see here')).toHaveLength(1);
+});
+
+it('navigates away when I click the bye bye button', () => {
+  const component = render(<App />);
+  const button = component.getByText('Bye bye');
+  fireEvent.press(button);
+  expect(component.queryAllByText('Go Home')).toHaveLength(1);
+});
+
+it('navigates back when I click the go home button', () => {
+  const component = render(<App />);
+  fireEvent.press(component.getByText('Bye bye'));
+  fireEvent.press(component.getByText('Go Home'));
+  expect(component.queryAllByText('Nothing to see here')).toHaveLength(1);
+});