PAN-48 Wrote unit tests for the AccountController

pandamonium-theorem-prover/persistence/src/test/java/edu/msudenver/tsp/persistence/controller/AccountControllerTest.java

@@ -0,0 +1,224 @@
+package edu.msudenver.tsp.persistence.controller;
+
+import edu.msudenver.tsp.persistence.dto.AccountsDto;
+import edu.msudenver.tsp.persistence.repository.AccountsRepository;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.BindingResult;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+import static junit.framework.TestCase.assertTrue;
+import static org.junit.Assert.*;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Mockito.*;
+
+@RunWith(MockitoJUnitRunner.class)
+@WebMvcTest(controllers = AccountController.class)
+public class AccountControllerTest {
+    @Mock
+    private AccountsRepository accountsRepository;
+    @InjectMocks
+    private AccountController accountController;
+    @Mock private BindingResult bindingResult;
+
+    @Test
+    public void testGetAllAccounts() {
+        final AccountsDto accountsDto = createAccount();
+        final List<AccountsDto> accountsDtoList = new ArrayList<>();
+        accountsDtoList.add(accountsDto);
+        accountsDtoList.add(accountsDto);
+
+        when(accountsRepository.findAll()).thenReturn(accountsDtoList);
+
+        final ResponseEntity<Iterable<AccountsDto>> responseEntity = accountController.getListOfAccounts();
+
+        assertNotNull(responseEntity);
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertTrue(responseEntity.hasBody());
+        assertNotNull(responseEntity.getBody());
+
+        responseEntity.getBody().forEach(account -> assertEquals(account, accountsDto));
+    }
+
+    @Test
+    public void testGetAccountById() {
+        final AccountsDto accountsDto = createAccount();
+        when(accountsRepository.findById(anyInt())).thenReturn(Optional.ofNullable(accountsDto));
+
+        final ResponseEntity<AccountsDto> responseEntity = accountController.getAccountById(1);
+
+        assertNotNull(responseEntity);
+        assertTrue(responseEntity.hasBody());
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertEquals(accountsDto, responseEntity.getBody());
+        verify(accountsRepository).findById(anyInt());
+    }
+
+    @Test
+    public void testGetAccountById_nullId() {
+        final ResponseEntity responseEntity = accountController.getAccountById(null);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(accountsRepository);
+    }
+
+    @Test
+    public void testGetAccountById_noAccountFound() {
+        when(accountsRepository.findById(anyInt())).thenReturn(Optional.empty());
+
+        final ResponseEntity responseEntity = accountController.getAccountById(1);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.NOT_FOUND, responseEntity.getStatusCode());
+        verify(accountsRepository).findById(anyInt());
+    }
+
+    @Test
+    public void testInsertAccount() {
+        final AccountsDto accountsDto = createAccount();
+        when(accountsRepository.save(any(AccountsDto.class))).thenReturn(accountsDto);
+
+        final ResponseEntity<AccountsDto> responseEntity = accountController.insertAccount(accountsDto, bindingResult);
+
+        assertNotNull(responseEntity);
+        assertTrue(responseEntity.hasBody());
+        assertNotNull(responseEntity.getBody());
+        assertEquals(HttpStatus.CREATED, responseEntity.getStatusCode());
+        assertEquals(accountsDto, responseEntity.getBody());
+        verify(accountsRepository).save(any(AccountsDto.class));
+    }
+
+    @Test
+    public void testInsertAccount_accountsDtoIsNull() {
+        final ResponseEntity responseEntity = accountController.insertAccount(null, bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(accountsRepository);
+    }
+
+    @Test
+    public void testInsertAccount_bindingResultHasErrors() {
+        final AccountsDto definitionDto = createAccount();
+        when(bindingResult.hasErrors()).thenReturn(true);
+
+        final ResponseEntity responseEntity = accountController.insertAccount(definitionDto, bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.UNPROCESSABLE_ENTITY, responseEntity.getStatusCode());
+        verifyZeroInteractions(accountsRepository);
+    }
+
+    @Test
+    public void testUpdateAccount() {
+        final AccountsDto existingAccount = createAccount();
+        existingAccount.setId(1);
+        existingAccount.setVersion(1);
+        final AccountsDto accountUpdate = new AccountsDto();
+        accountUpdate.setUsername("Test Update");
+        final AccountsDto updatedAccount = existingAccount;
+        updatedAccount.setUsername("Test Update");
+        when(accountsRepository.findById(anyInt())).thenReturn(Optional.of(existingAccount));
+        when(accountsRepository.save(any(AccountsDto.class))).thenReturn(updatedAccount);
+
+        final ResponseEntity<AccountsDto> responseEntity = accountController.updateAccount(1, accountUpdate, bindingResult);
+
+        assertNotNull(responseEntity);
+        assertTrue(responseEntity.hasBody());
+        assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
+        assertEquals(updatedAccount, responseEntity.getBody());
+        verify(accountsRepository).findById(anyInt());
+        verify(accountsRepository).save(any(AccountsDto.class));
+    }
+
+    @Test
+    public void testUpdateAccount_bindingResultHasErrors() {
+        when(bindingResult.hasErrors()).thenReturn(true);
+
+        final ResponseEntity<AccountsDto> responseEntity = accountController.updateAccount(1, createAccount(), bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.UNPROCESSABLE_ENTITY, responseEntity.getStatusCode());
+        verifyZeroInteractions(accountsRepository);
+    }
+
+    @Test
+    public void testUpdateAccount_accountsDtoIsNull() {
+        final ResponseEntity<AccountsDto> responseEntity = accountController.updateAccount(1, null, bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(accountsRepository);
+    }
+
+    @Test
+    public void testUpdateAccount_idIsNull() {
+        final ResponseEntity<AccountsDto> responseEntity = accountController.updateAccount(null, createAccount(), bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(accountsRepository);
+    }
+
+    @Test
+    public void testUpdateAccount_accountDoesNotExist() {
+        when(accountsRepository.findById(anyInt())).thenReturn(Optional.empty());
+
+        final ResponseEntity<AccountsDto> responseEntity = accountController.updateAccount(1, createAccount(), bindingResult);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verify(accountsRepository, times(0)).save(any(AccountsDto.class));
+    }
+
+    @Test
+    public void testDeleteAccountById() {
+        doNothing().when(accountsRepository).deleteById(anyInt());
+
+        final ResponseEntity responseEntity = accountController.deleteAccountById(1);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.NO_CONTENT, responseEntity.getStatusCode());
+        verify(accountsRepository).deleteById(anyInt());
+    }
+
+    @Test
+    public void testDeleteAccountById_idIsNull() {
+        final ResponseEntity responseEntity = accountController.deleteAccountById(null);
+
+        assertNotNull(responseEntity);
+        assertFalse(responseEntity.hasBody());
+        assertEquals(HttpStatus.BAD_REQUEST, responseEntity.getStatusCode());
+        verifyZeroInteractions(accountsRepository);
+    }
+
+    private AccountsDto createAccount() {
+        final AccountsDto accountsDto = new AccountsDto();
+        accountsDto.setUsername("Test username");
+        accountsDto.setPassword("test password");
+        accountsDto.setAdministratorStatus(true);
+
+        return accountsDto;
+    }
+}