chore: added tests for ldClient and boolean flag

Author: professorice

packages/tooling/jest/example/react-native-example/src/welcome.test.tsx

@@ -0,0 +1,29 @@
+/**
+ * @jest-environment jsdom
+ */
+
+import { mockFlags, resetLDMocks } from '@launchdarkly/jest/react-native';
+import { screen, render } from '@testing-library/react-native';
+import { useLDClient } from '@launchdarkly/react-native-client-sdk';
+import Welcome from './welcome';
+
+describe('Welcome component test', () => {
+
+    afterEach(() => {
+      resetLDMocks();
+    });
+
+    test('mock boolean flag correctly', () => {
+      mockFlags({ 'my-boolean-flag': true });
+      render(<Welcome />);
+      expect(screen.getByText('Flag value is true')).toBeTruthy();
+    });
+
+    test('mock ldClient correctly', () => {
+      const current = useLDClient();
+  
+      current?.track('event');
+      expect(current.track).toHaveBeenCalledTimes(1);
+    });
+
+});

packages/tooling/jest/example/react-native-example/src/welcome.tsx

@@ -1,14 +1,11 @@
 import { StyleSheet, Text, View } from 'react-native';
-import { useBoolVariation, useLDClient } from '@launchdarkly/react-native-client-sdk';
+import { useLDClient } from '@launchdarkly/react-native-client-sdk';
 
 export default function Welcome() {
 
-  //TODO Set my-boolean-flag to a valid boolean flag key in your project/environment.
-  const flagValue = useBoolVariation('my-boolean-flag', false);
-
   const ldClient = useLDClient();
 
-  ldClient.track('test event');
+  const flagValue = ldClient.boolVariation('my-boolean-flag', false);
 
   return (
     <View style={styles.container}>