chore: add unit tests

Author: slawomirzaba

.gitignore

@@ -82,3 +82,5 @@ lib/
 # React Native Codegen
 ios/generated
 android/generated
+
+/coverage/

jest-setup.ts

@@ -2,11 +2,12 @@ import '@testing-library/react-native/extend-expect';
 
 jest.mock('react-native-app-auth', () => ({
   authorize: jest.fn(),
+  refresh: jest.fn(),
 }));
 
 jest.mock('react-native-encrypted-storage', () => ({
   setItem: jest.fn(() => Promise.resolve()),
-  getItem: jest.fn(() => Promise.resolve('{ "foo": 1 }')),
+  getItem: jest.fn(() => Promise.resolve(null)),
   removeItem: jest.fn(() => Promise.resolve()),
   clear: jest.fn(() => Promise.resolve()),
 }));

package.json

@@ -75,6 +75,7 @@
     "@release-it/conventional-changelog": "^9.0.2",
     "@testing-library/react-native": "^12.9.0",
     "@types/jest": "^29.5.5",
+    "@types/lodash": "^4.17.13",
     "@types/react": "^18.2.44",
     "commitlint": "^17.0.2",
     "del-cli": "^5.1.0",
@@ -138,5 +139,8 @@
     "type": "module-legacy",
     "languages": "kotlin-objc",
     "version": "0.44.1"
+  },
+  "dependencies": {
+    "lodash": "^4.17.21"
   }
 }