RepositoryTodoServiceTest.java

package net.petrikainulainen.spring.datasolr.todo.service;

import net.petrikainulainen.spring.datasolr.todo.TodoTestUtil;
import net.petrikainulainen.spring.datasolr.todo.document.TodoDocument;
import net.petrikainulainen.spring.datasolr.todo.dto.TodoDTO;
import net.petrikainulainen.spring.datasolr.todo.exception.TodoNotFoundException;
import net.petrikainulainen.spring.datasolr.todo.model.Todo;
import net.petrikainulainen.spring.datasolr.todo.repository.jpa.TodoRepository;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.springframework.test.util.ReflectionTestUtils;

import java.util.ArrayList;
import java.util.List;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNull;
import static org.mockito.Mockito.*;

/**
 * @author Petri Kainulainen
 */
public class RepositoryTodoServiceTest {

    private static final String SEARCH_TERM = "Foo";

    private RepositoryTodoService service;

    private TodoRepository repositoryMock;

    private TodoIndexService indexServiceMock;

    @Before
    public void setUp() {
        service = new RepositoryTodoService();

        repositoryMock = mock(TodoRepository.class);
        ReflectionTestUtils.setField(service, "repository", repositoryMock);

        indexServiceMock = mock(TodoIndexService.class);
        ReflectionTestUtils.setField(service, "indexService", indexServiceMock);
    }

    @Test
    public void add_NewTodo_ShouldSaveTodo() {
        TodoDTO dto = TodoTestUtil.createDTO(null, TodoTestUtil.DESCRIPTION, TodoTestUtil.TITLE);

        Todo persisted = TodoTestUtil.createModel(TodoTestUtil.ID, TodoTestUtil.DESCRIPTION, TodoTestUtil.TITLE);
        when(repositoryMock.save(any(Todo.class))).thenReturn(persisted);

        service.add(dto);

        ArgumentCaptor<Todo> toDoArgument = ArgumentCaptor.forClass(Todo.class);
        verify(repositoryMock, times(1)).save(toDoArgument.capture());
        verifyNoMoreInteractions(repositoryMock);

        verify(indexServiceMock, times(1)).addToIndex(persisted);
        verifyNoMoreInteractions(indexServiceMock);

        Todo model = toDoArgument.getValue();

        assertNull(model.getId());
        assertEquals(dto.getDescription(), model.getDescription());
        assertEquals(dto.getTitle(), model.getTitle());
    }

    @Test
    public void deleteById_TodoIsFound_ShouldReturnDeletedTodo() throws TodoNotFoundException {
        Todo model = TodoTestUtil.createModel(TodoTestUtil.ID, TodoTestUtil.DESCRIPTION, TodoTestUtil.TITLE);
        when(repositoryMock.findOne(TodoTestUtil.ID)).thenReturn(model);

        Todo actual = service.deleteById(TodoTestUtil.ID);

        verify(repositoryMock, times(1)).findOne(TodoTestUtil.ID);
        verify(repositoryMock, times(1)).delete(model);
        verifyNoMoreInteractions(repositoryMock);

        verify(indexServiceMock, times(1)).deleteFromIndex(TodoTestUtil.ID);
        verifyNoMoreInteractions(indexServiceMock);

        assertEquals(model, actual);
    }

    @Test(expected = TodoNotFoundException.class)
    public void deleteById_ToDoIsNotFound_ShouldThrowException() throws TodoNotFoundException {
        when(repositoryMock.findOne(TodoTestUtil.ID)).thenReturn(null);

        service.deleteById(TodoTestUtil.ID);

        verify(repositoryMock, times(1)).findOne(TodoTestUtil.ID);
        verifyNoMoreInteractions(repositoryMock);
        verifyZeroInteractions(indexServiceMock);
    }

    @Test
    public void findAll_ShouldReturnTodoList() {
        List<Todo> models = new ArrayList<Todo>();
        when(repositoryMock.findAll()).thenReturn(models);

        List<Todo> actual = service.findAll();

        verify(repositoryMock, times(1)).findAll();
        verifyNoMoreInteractions(repositoryMock);
        verifyZeroInteractions(indexServiceMock);

        assertEquals(models, actual);
    }

    @Test
    public void findById_TodoIsFound_ShouldReturnTodo() throws TodoNotFoundException {
        Todo model = TodoTestUtil.createModel(TodoTestUtil.ID, TodoTestUtil.DESCRIPTION, TodoTestUtil.TITLE);
        when(repositoryMock.findOne(TodoTestUtil.ID)).thenReturn(model);

        Todo actual = service.findById(TodoTestUtil.ID);

        verify(repositoryMock, times(1)).findOne(TodoTestUtil.ID);
        verifyNoMoreInteractions(repositoryMock);
        verifyZeroInteractions(indexServiceMock);

        assertEquals(model, actual);
    }

    @Test(expected = TodoNotFoundException.class)
    public void findById_ToDoIsNotFound_ShouldThrowException() throws TodoNotFoundException {
        when(repositoryMock.findOne(TodoTestUtil.ID)).thenReturn(null);

        service.findById(TodoTestUtil.ID);

        verify(repositoryMock, times(1)).findOne(TodoTestUtil.ID);
        verifyNoMoreInteractions(repositoryMock);
        verifyZeroInteractions(indexServiceMock);
    }

    @Test
    public void update_TodoFound_ShouldReturnUpdatedTodo() throws TodoNotFoundException {
        TodoDTO dto = TodoTestUtil.createDTO(TodoTestUtil.ID, TodoTestUtil.DESCRIPTION_UPDATED, TodoTestUtil.TITLE_UPDATED);
        Todo model = TodoTestUtil.createModel(TodoTestUtil.ID, TodoTestUtil.DESCRIPTION, TodoTestUtil.TITLE);
        when(repositoryMock.findOne(dto.getId())).thenReturn(model);

        Todo actual = service.update(dto);

        verify(repositoryMock, times(1)).findOne(dto.getId());
        verifyNoMoreInteractions(repositoryMock);

        verify(indexServiceMock, times(1)).update(model);
        verifyNoMoreInteractions(indexServiceMock);

        assertEquals(dto.getId(), actual.getId());
        assertEquals(dto.getDescription(), actual.getDescription());
        assertEquals(dto.getTitle(), actual.getTitle());
    }

    @Test(expected = TodoNotFoundException.class)
    public void update_ToDoIsNotFound_ShouldThrowException() throws TodoNotFoundException {
        TodoDTO dto = TodoTestUtil.createDTO(TodoTestUtil.ID, TodoTestUtil.DESCRIPTION_UPDATED, TodoTestUtil.TITLE_UPDATED);
        when(repositoryMock.findOne(dto.getId())).thenReturn(null);

        service.update(dto);

        verify(repositoryMock, times(1)).findOne(dto.getId());
        verifyNoMoreInteractions(repositoryMock);
        verifyZeroInteractions(indexServiceMock);
    }

    @Test
    public void search_ShouldReturnTodoDocuments() {
        List<TodoDocument> expected = new ArrayList<TodoDocument>();
        when(indexServiceMock.search(SEARCH_TERM)).thenReturn(expected);

        List<TodoDocument> actual = service.search(SEARCH_TERM);

        verify(indexServiceMock, times(1)).search(SEARCH_TERM);
        verifyNoMoreInteractions(indexServiceMock);
        verifyZeroInteractions(repositoryMock);

        assertEquals(expected, actual);
    }
}