Removed all default export except for services and reducers

test/utils/services/LocalStorage.test.ts

@@ -0,0 +1,44 @@
+import { Mock } from 'ts-mockery';
+import { LocalStorage } from '../../../src/utils/services/LocalStorage';
+
+describe('LocalStorage', () => {
+  const getItem = jest.fn((key) => (key === 'shlink.foo' ? JSON.stringify({ foo: 'bar' }) : null));
+  const setItem = jest.fn();
+  const localStorageMock = Mock.of<Storage>({ getItem, setItem });
+  let storage: LocalStorage;
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    storage = new LocalStorage(localStorageMock);
+  });
+
+  describe('set', () => {
+    it('writes an stringified representation of provided value in local storage', () => {
+      const value = { bar: 'baz' };
+
+      storage.set('foo', value);
+
+      expect(setItem).toHaveBeenCalledTimes(1);
+      expect(setItem).toHaveBeenCalledWith('shlink.foo', JSON.stringify(value));
+    });
+  });
+
+  describe('get', () => {
+    it('fetches item from local storage', () => {
+      storage.get('foo');
+      expect(getItem).toHaveBeenCalledTimes(1);
+    });
+
+    it('returns parsed value when requested value is found in local storage', () => {
+      const value = storage.get('foo');
+
+      expect(value).toEqual({ foo: 'bar' });
+    });
+
+    it('returns undefined when requested value is not found in local storage', () => {
+      const value = storage.get('bar');
+
+      expect(value).toBeUndefined();
+    });
+  });
+});