chore(env): tests

package.json

@@ -16,9 +16,11 @@
     "upload": "yarn lint && yarn build && yarn npm publish && git push && git push --tags && gh release create",
     "lint": "eslint \"src/**/*.ts\"",
     "lint:tsc": "tsc --noEmit -p .",
-    "docs": "typedoc --excludePrivate --excludeProtected --name \"spotify.js documentation\" --out docs src/index.ts"
+    "docs": "typedoc --excludePrivate --excludeProtected --name \"spotify.js documentation\" --out docs src/index.ts",
+    "test": "jest"
   },
   "devDependencies": {
+    "@types/jest": "^29.5.12",
     "@types/node": "^20.14.10",
     "@typescript-eslint/eslint-plugin": "^7.16.0",
     "@typescript-eslint/parser": "^7.16.0",
@@ -28,6 +30,7 @@
     "eslint-plugin-jsdoc": "^48.5.2",
     "eslint-plugin-prettier": "^5.1.3",
     "eslint-plugin-unicorn": "^54.0.0",
+    "jest": "^29.7.0",
     "prettier": "^3.3.2",
     "typedoc": "^0.26.3",
     "typescript": "^5.5.3"

src/lib/http/HttpManager.test.ts

@@ -0,0 +1,21 @@
+describe('HttpManager', () => {
+  describe('auth', () => {
+    it('should use access token when it is active', async () => {});
+
+    it('should refresh access token before request when it is expired', async () => {});
+
+    it('should request new access token when refresh token is not specified', async () => {});
+
+    it('should throw error when unable to issue access token', async () => {});
+  });
+
+  describe('retries', () => {});
+
+  describe('rate limit', () => {});
+
+  describe('errors', () => {});
+
+  describe('methods', () => {
+    it('should return 200 in case of success', () => {});
+  });
+});