CombinedFeedServiceTest.java

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package org.glassfish.jersey.examples.feedcombiner.service;

import java.io.Serializable;
import java.util.Arrays;
import java.util.List;

import org.glassfish.jersey.examples.feedcombiner.generator.IdGenerator;
import org.glassfish.jersey.examples.feedcombiner.model.CombinedFeed;
import org.glassfish.jersey.examples.feedcombiner.store.ReadWriteLockDataStore;

import org.easymock.EasyMockRule;
import org.easymock.EasyMockSupport;
import org.easymock.Mock;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import static org.easymock.EasyMock.eq;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;
import static org.junit.Assert.assertEquals;

/**
 * @author Petr Bouda (petr.bouda at oracle.com)
 */
public class CombinedFeedServiceTest extends EasyMockSupport {

    private static final String DEFAULT_REFRESH_PERIOD = "10";
    @Rule
    public EasyMockRule mocks = new EasyMockRule(this);
    @Mock
    private ReadWriteLockDataStore datastore;
    @Mock
    private IdGenerator idGenerator;
    private CombinedFeedService testedClass;

    @Before
    public void init() {
        testedClass = new CombinedFeedService(datastore, idGenerator, DEFAULT_REFRESH_PERIOD);
    }

    @Test
    public void testSaveWithRefreshPeriod() {
        String id = "1";

        CombinedFeed feed = new CombinedFeed.CombinedFeedBuilder(id, "http://localhost")
                .title("title").description("description").refreshPeriod(10).build();

        expect(idGenerator.getId()).andReturn(id);
        expect(datastore.put(eq(id), eq(feed))).andReturn(null);
        replayAll();

        CombinedFeed actual = testedClass.save(feed);

        verifyAll();
        assertEquals(feed, actual);
    }

    @Test
    public void testSaveWithoutRefreshPeriod() {
        String id = "1";

        CombinedFeed feed = new CombinedFeed.CombinedFeedBuilder(id, "http://localhost")
                .title("title").description("description").build();

        CombinedFeed expected = CombinedFeed.CombinedFeedBuilder.of(feed)
                .refreshPeriod(Long.parseLong(DEFAULT_REFRESH_PERIOD)).build();

        expect(idGenerator.getId()).andReturn(id);
        expect(datastore.put(eq(id), eq(expected))).andReturn(null);
        replayAll();

        CombinedFeed actual = testedClass.save(feed);

        verifyAll();
        assertEquals(expected, actual);
    }

    @Test
    public void testDelete() {
        String feedId = "1";
        expect(datastore.put(feedId, null)).andReturn(null);
        replayAll();
        testedClass.delete(feedId);
        verifyAll();
    }

    @Test(expected = UnsupportedOperationException.class)
    public void testUpdate() {
        testedClass.update(null);
    }

    @Test
    public void testGet() {
        String feedId = "1";
        expect(datastore.get(feedId, CombinedFeed.class)).andReturn(null);
        replayAll();
        testedClass.get(feedId);
        verifyAll();
    }

    @Test
    public void testGetAll() {
        ReadWriteLockDataStore datastoreMock =
                createMock("datastore", ReadWriteLockDataStore.class);

        testedClass = new CombinedFeedService(datastoreMock, idGenerator, DEFAULT_REFRESH_PERIOD);

        CombinedFeed feed = new CombinedFeed.CombinedFeedBuilder("1", "http://localhost")
                .title("title").description("description").build();

        List<Serializable> entities = Arrays.asList(feed, "fakeObject");

        expect(datastoreMock.getAll()).andReturn(entities);
        replay(datastoreMock);
        List<CombinedFeed> actual = testedClass.getAll();
        verify(datastoreMock);
        assertEquals(1, actual.size());
        assertEquals(feed, actual.get(0));
    }
}