testing

.github/workflows/checks.yml

@@ -60,6 +60,36 @@ jobs:
       - name: Run ESLint check
         run: npx eslint . --max-warnings=0
 
+  tests:
+    name: tests
+    runs-on: ubuntu-latest
+    env:
+      EXPO_PUBLIC_SUPABASE_URL: ${{ secrets.EXPO_PUBLIC_SUPABASE_URL }}
+      EXPO_PUBLIC_SUPABASE_ANON_KEY: ${{ secrets.EXPO_PUBLIC_SUPABASE_ANON_KEY }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Cache node modules
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests check
+        run: npx jest
+
   build:
     name: type
     runs-on: ubuntu-latest

.gitignore

@@ -35,3 +35,9 @@ yarn-error.*
 
 # typescript
 *.tsbuildinfo
+
+# jest
+coverage/
+test_output.txt
+coverage.txt
+coverage_report.txt

__mocks__/expo-splash-screen.js

@@ -0,0 +1,5 @@
+/* eslint-disable no-undef */
+module.exports = {
+  preventAutoHideAsync: jest.fn(),
+  hideAsync: jest.fn(),
+};

__mocks__/fileMock.js

@@ -0,0 +1 @@
+module.exports = 'test-file-stub';

__mocks__/react-native-reanimated.js

@@ -0,0 +1,5 @@
+const Reanimated = require('react-native-reanimated/mock');
+
+Reanimated.default.call = () => {};
+
+module.exports = Reanimated;

__mocks__/react-native-worklets.js

@@ -0,0 +1 @@
+export default {};

__mocks__/styleMock.js

@@ -0,0 +1 @@
+module.exports = {};

babel.config.js

@@ -1,7 +1,10 @@
 module.exports = function (api) {
-  api.cache(true);
+  const isTest = api.env('test');
+
   return {
     presets: [['babel-preset-expo', { jsxImportSource: 'nativewind' }], 'nativewind/babel'],
-    plugins: ['module:react-native-dotenv'],
+    plugins: [!isTest && 'react-native-reanimated/plugin', 'module:react-native-dotenv'].filter(
+      Boolean
+    ),
   };
 };

jest.setup.js

@@ -0,0 +1,18 @@
+import '@testing-library/jest-native/extend-expect';
+import { jest } from '@jest/globals';
+
+jest.mock('react-native-reanimated', () => require('__mocks__/react-native-reanimated'));
+jest.mock('react-native-worklets', () => require('__mocks__/react-native-worklets'));
+
+jest.mock('@react-native-async-storage/async-storage', () => ({
+  setItem: jest.fn(() => Promise.resolve()),
+  getItem: jest.fn(() => Promise.resolve(null)),
+  removeItem: jest.fn(() => Promise.resolve()),
+  multiSet: jest.fn(() => Promise.resolve()),
+  multiGet: jest.fn(() => Promise.resolve([])),
+  clear: jest.fn(() => Promise.resolve()),
+}));
+
+jest.mock('*.css', () => ({}));
+jest.mock('*.png', () => ({}));
+jest.mock('*.jpg', () => ({}));