org.hobsoft.contacts.server.controller.ContactsControllerTest.java Source code

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Here is the source code for org.hobsoft.contacts.server.controller.ContactsControllerTest.java

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/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.hobsoft.contacts.server.controller;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;

import org.hobsoft.contacts.server.model.Contact;
import org.hobsoft.contacts.server.repository.ContactRepository;
import org.hobsoft.contacts.server.support.spring.hateoas.Relation;
import org.junit.Before;
import org.junit.Test;
import org.springframework.hateoas.Link;
import org.springframework.hateoas.Resource;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.servlet.ModelAndView;

import static java.util.Arrays.asList;

import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

/**
 * Tests {@code ContactsController}.
 */
public class ContactsControllerTest {
    // ----------------------------------------------------------------------------------------------------------------
    // fields
    // ----------------------------------------------------------------------------------------------------------------

    private ContactRepository contactRepository;

    private ContactResourceAssembler contactResourceAssembler;

    private ContactsController controller;

    // ----------------------------------------------------------------------------------------------------------------
    // public methods
    // ----------------------------------------------------------------------------------------------------------------

    @Before
    public void setUp() {
        contactRepository = mock(ContactRepository.class);
        contactResourceAssembler = mock(ContactResourceAssembler.class);
        controller = new ContactsController(contactRepository, contactResourceAssembler);
    }

    // ----------------------------------------------------------------------------------------------------------------
    // tests
    // ----------------------------------------------------------------------------------------------------------------

    @Test(expected = NullPointerException.class)
    public void constructorWithNullContactRepository() {
        new ContactsController(null, contactResourceAssembler);
    }

    @Test(expected = NullPointerException.class)
    public void constructorWithNullContactResourceAssembler() {
        new ContactsController(contactRepository, null);
    }

    @Test
    public void createFormReturnsView() {
        ModelAndView actual = controller.createForm();

        assertEquals("contact/contactCreate", actual.getViewName());
    }

    @Test
    public void createCreatesContact() {
        Contact contact = new Contact();
        Resource<Contact> resource = new Resource<>(contact, createLink(Relation.SELF));
        when(contactResourceAssembler.toResource(contact)).thenReturn(resource);

        controller.create(contact);

        verify(contactRepository).create(contact);
    }

    @Test
    public void createReturnsSeeOtherAndLocation() throws URISyntaxException {
        Contact contact = new Contact();
        Resource<Contact> resource = new Resource<>(contact, new Link("x"));
        when(contactResourceAssembler.toResource(contact)).thenReturn(resource);

        ResponseEntity<Object> actual = controller.create(contact);

        assertEquals(HttpStatus.SEE_OTHER, actual.getStatusCode());
        assertEquals(new URI("x"), actual.getHeaders().getLocation());
    }

    @Test
    public void getAllAddsContactsToModel() {
        Contact contact = new Contact();
        List<Contact> contacts = asList(contact);
        when(contactRepository.getAll()).thenReturn(contacts);

        List<Resource<Contact>> resources = asList(new Resource<>(contact));
        when(contactResourceAssembler.toResources(contacts)).thenReturn(resources);

        ModelAndView actual = controller.getAll();

        assertEquals(resources, actual.getModel().get("contacts"));
    }

    @Test
    public void getAllReturnsView() {
        ModelAndView actual = controller.getAll();

        assertEquals("contact/contactsView", actual.getViewName());
    }

    @Test
    public void getAddsContactToModel() {
        Contact contact = new Contact();
        when(contactRepository.get(1)).thenReturn(contact);

        Resource<Contact> resource = new Resource<>(contact);
        when(contactResourceAssembler.toResource(contact)).thenReturn(resource);

        ModelAndView actual = controller.get(1);

        assertEquals(resource, actual.getModel().get("contact"));
    }

    @Test
    public void getReturnsView() {
        ModelAndView actual = controller.get(1);

        assertEquals("contact/contactView", actual.getViewName());
    }

    @Test
    public void deleteFormAddsContactToModel() {
        Contact contact = new Contact();
        when(contactRepository.get(1)).thenReturn(contact);

        Resource<Contact> resource = new Resource<>(contact);
        when(contactResourceAssembler.toResource(contact)).thenReturn(resource);

        ModelAndView actual = controller.deleteForm(1);

        assertEquals(resource, actual.getModel().get("contact"));
    }

    @Test
    public void deleteFormReturnsView() {
        ModelAndView actual = controller.deleteForm(1);

        assertEquals("contact/contactDelete", actual.getViewName());
    }

    @Test
    public void deleteDeletesContact() {
        Contact contact = new Contact();
        when(contactRepository.get(1)).thenReturn(contact);

        Resource<Contact> resource = new Resource<>(contact, createLink(Relation.COLLECTION));
        when(contactResourceAssembler.toResource(contact)).thenReturn(resource);

        controller.delete(1);

        verify(contactRepository).delete(contact);
    }

    @Test
    public void deleteReturnsSeeOtherAndLocation() throws URISyntaxException {
        Contact contact = new Contact();
        when(contactRepository.get(1)).thenReturn(contact);

        Resource<Contact> resource = new Resource<>(contact, new Link("x", Relation.COLLECTION.rel()));
        when(contactResourceAssembler.toResource(contact)).thenReturn(resource);

        ResponseEntity<Object> actual = controller.delete(1);

        assertEquals(HttpStatus.SEE_OTHER, actual.getStatusCode());
        assertEquals(new URI("x"), actual.getHeaders().getLocation());
    }

    // ----------------------------------------------------------------------------------------------------------------
    // private methods
    // ----------------------------------------------------------------------------------------------------------------

    private static Link createLink(Relation relation) {
        return new Link("_href", relation.rel());
    }
}