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import userReducer, { setCurrentUser, addUser, removeUser, setLoading, setError } from './userSlice';
import { User } from './userSlice';
describe('userSlice', () => {
const mockUser: User = {
id: '1',
name: 'John Doe',
email: 'john@example.com',
};
it('should return the initial state', () => {
expect(userReducer(undefined, { type: 'unknown' })).toEqual({
currentUser: null,
users: [],
loading: false,
error: null,
});
});
it('should handle setCurrentUser', () => {
const actual = userReducer(undefined, setCurrentUser(mockUser));
expect(actual.currentUser).toEqual(mockUser);
});
it('should handle addUser', () => {
const actual = userReducer(undefined, addUser(mockUser));
expect(actual.users).toContainEqual(mockUser);
});
it('should handle removeUser', () => {
const state = {
currentUser: null,
users: [mockUser],
loading: false,
error: null,
};
const actual = userReducer(state, removeUser('1'));
expect(actual.users).not.toContainEqual(mockUser);
});
it('should handle setLoading', () => {
const actual = userReducer(undefined, setLoading(true));
expect(actual.loading).toBe(true);
});
it('should handle setError', () => {
const errorMessage = 'An error occurred';
const actual = userReducer(undefined, setError(errorMessage));
expect(actual.error).toBe(errorMessage);
});
});
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