EhCacheQueryCache_WithConfigTest.java

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package org.apache.cayenne.cache;

import net.sf.ehcache.Cache;
import net.sf.ehcache.CacheManager;
import org.apache.cayenne.query.QueryMetadata;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import java.net.URL;
import java.util.ArrayList;

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

@SuppressWarnings("deprecation")
public class EhCacheQueryCache_WithConfigTest {

    protected CacheManager cacheManager;

    @Before
    public void setUp() throws Exception {
        URL config = getClass().getResource("test-ehcache.xml");
        assertNotNull(config);
        cacheManager = new CacheManager(config);
    }

    @After
    public void tearDown() throws Exception {
        cacheManager.shutdown();
    }

    @Test
    public void testRemoveGroup_WithFactory_WithCacheGroups() {

        EhCacheQueryCache cache = new EhCacheQueryCache(cacheManager);

        ArrayList[] lists = new ArrayList[] { new ArrayList<>(), new ArrayList<>(), new ArrayList<>() };
        QueryCacheEntryFactory factory = mock(QueryCacheEntryFactory.class);
        when(factory.createObject()).thenReturn(lists[0], lists[1], lists[2]);

        QueryMetadata md = mock(QueryMetadata.class);
        when(md.getCacheKey()).thenReturn("k1");
        when(md.getCacheGroups()).thenReturn(new String[] { "cg1" });

        assertEquals(lists[0], cache.get(md, factory));
        assertEquals(lists[0], cache.get(md, factory));

        Cache c1 = cache.cacheManager.getCache("cg1");
        assertEquals(201, c1.getCacheConfiguration().getTimeToLiveSeconds());

        // remove non-existing
        cache.removeGroup("cg0");
        assertEquals(lists[0], cache.get(md, factory));

        Cache c2 = cache.cacheManager.getCache("cg1");
        assertSame(c1, c2);
        assertEquals(201, c2.getCacheConfiguration().getTimeToLiveSeconds());

        cache.removeGroup("cg1");
        assertEquals(lists[1], cache.get(md, factory));

        // make sure the cache still has all the configured settings after
        // 'removeGroup'
        Cache c3 = cache.cacheManager.getCache("cg1");
        assertSame(c1, c3);
        assertEquals(201, c3.getCacheConfiguration().getTimeToLiveSeconds());
    }
}