1 files changed, 126 insertions, 0 deletions
diff --git a/ufund-api/src/test/java/com/ufund/api/ufundapi/service/UserServiceTest.java b/ufund-api/src/test/java/com/ufund/api/ufundapi/service/UserServiceTest.java
new file mode 100644
index 0000000..0a0cb71
--- /dev/null
+++ b/ufund-api/src/test/java/com/ufund/api/ufundapi/service/UserServiceTest.java
@@ -0,0 +1,126 @@
+package com.ufund.api.ufundapi.service;
+
+import java.io.IOException;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import com.ufund.api.ufundapi.DuplicateKeyException;
+import com.ufund.api.ufundapi.model.User;
+import com.ufund.api.ufundapi.persistence.UserDAO;
+
+public class UserServiceTest {
+
+    private UserService userService;
+    private UserDAO mockUserDAO;
+
+
+    @BeforeEach
+    public void setupUserService() {
+        mockUserDAO = mock(UserDAO.class);
+        userService = new UserService(mockUserDAO);
+    }
+
+    @Test
+    public void testCreateUser() throws IOException, DuplicateKeyException {
+        // Setup
+        String username = "Jelly";
+        String password = "Fish";
+        User user = User.create(username, password);
+
+        // Mock
+        when(mockUserDAO.getUser(username)).thenReturn(null);
+        when(mockUserDAO.addUser(any())).thenReturn(user);
+
+        // Invoke
+
+        // Analyze
+        assertEquals(user, userService.createUser(username, password));
+    }
+
+    @Test
+    public void testCreateUserDuplicate() throws IOException, DuplicateKeyException {
+        // Setup
+        String username = "Jelly";
+        String password = "Fish";
+        User user = User.create(username, password);
+
+        // Mock
+        when(mockUserDAO.getUser(username)).thenReturn(User.create("Phil", "Phil"));
+        when(mockUserDAO.addUser(any())).thenReturn(user);
+
+        // Analyze
+        assertThrows(DuplicateKeyException.class, () -> userService.createUser(username, password));
+    }
+
+    @Test
+    public void testGetUser() throws IOException, DuplicateKeyException {
+        // Setup
+        String username = "Jelly";
+        String password = "Fish";
+        User user = User.create(username, password);
+
+        // Mock
+        when(mockUserDAO.getUser(username)).thenReturn(user);
+
+        // Analyze
+        assertEquals(user, userService.getUser(username));
+    }
+
+    @Test
+    public void testUpdateUser() throws IOException, DuplicateKeyException {
+        // Setup
+        String username = "Jelly";
+        String password = "Fish";
+        User oldUser = User.create(username, password);
+
+        String newUsername = "Jelly";
+        String newPassword = "Dog";
+        User newUser = User.create(newUsername, newPassword);
+
+        // Mock
+        when(mockUserDAO.updateUser(newUser)).thenReturn(newUser);
+
+        // Analyze
+        assertEquals(newUser, userService.updateUser(newUser, oldUser.getUsername()));
+    }
+
+    @Test
+    public void testUpdateUserDifferentUsernames() throws IOException, DuplicateKeyException {
+        // Setup
+        String username = "Jelly";
+        String password = "Fish";
+        User oldUser = User.create(username, password);
+
+        String newUsername = "Cat";
+        String newPassword = "Fish";
+        User newUser = User.create(newUsername, newPassword);
+
+        // Mock
+        when(mockUserDAO.updateUser(newUser)).thenReturn(newUser);
+
+        // Analyze
+        assertThrows(IllegalArgumentException.class, () -> userService.updateUser(newUser, oldUser.getUsername()));
+    }
+
+    @Test
+    public void testDeleteUser() throws IOException, DuplicateKeyException {
+        // Setup
+        String username = "Jelly";
+        String password = "Fish";
+        User user = User.create(username, password);
+
+        // Mock
+        when(mockUserDAO.deleteUser(username)).thenReturn(true);
+
+        // Analyze
+        assertTrue(userService.deleteUser(username));
+    }
+    
+}