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 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
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 *    https://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne.map;

import org.apache.cayenne.configuration.server.ServerRuntime;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.reflect.ArcProperty;
import org.apache.cayenne.reflect.ClassDescriptor;
import org.apache.cayenne.reflect.ClassDescriptorFactory;
import org.apache.cayenne.reflect.LazyClassDescriptorDecorator;
import org.apache.cayenne.reflect.PropertyDescriptor;
import org.apache.cayenne.testdo.mt.MtTable1;
import org.apache.cayenne.testdo.mt.MtTable2;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Test;

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

@UseServerRuntime(CayenneProjects.MULTI_TIER_PROJECT)
public class EntityResolverClassDescriptorIT extends ServerCase {

    @Inject
    private ServerRuntime runtime;

    @Test
    public void testServerDescriptorCaching() {
        EntityResolver resolver = runtime.getDataDomain().getEntityResolver();
        resolver.getClassDescriptorMap().clearDescriptors();

        ClassDescriptor descriptor = resolver.getClassDescriptor("MtTable1");
        assertNotNull(descriptor);
        assertSame(descriptor, resolver.getClassDescriptor("MtTable1"));
        resolver.getClassDescriptorMap().clearDescriptors();

        ClassDescriptor descriptor1 = resolver.getClassDescriptor("MtTable1");
        assertNotNull(descriptor1);
        assertNotSame(descriptor, descriptor1);
    }

    @Test
    public void testServerDescriptorFactory() {
        EntityResolver resolver = runtime.getDataDomain().getEntityResolver();
        resolver.getClassDescriptorMap().clearDescriptors();

        ClassDescriptor descriptor = mock(ClassDescriptor.class);
        ClassDescriptorFactory factory = mock(ClassDescriptorFactory.class);
        when(factory.getDescriptor("MtTable1")).thenReturn(descriptor);
        
        resolver.getClassDescriptorMap().addFactory(factory);
        try {
            ClassDescriptor resolved = resolver.getClassDescriptor("MtTable1");
            assertNotNull(resolved);
            resolved = ((LazyClassDescriptorDecorator) resolved).getDescriptor();
            assertSame(descriptor, resolved);
        }
        finally {
            resolver.getClassDescriptorMap().removeFactory(factory);
        }
    }

    @Test
    public void testArcProperties() {
        EntityResolver resolver = runtime.getDataDomain().getEntityResolver();
        resolver.getClassDescriptorMap().clearDescriptors();

        ClassDescriptor descriptor = resolver.getClassDescriptor("MtTable1");
        assertNotNull(descriptor);

        PropertyDescriptor p = descriptor.getProperty(MtTable1.TABLE2ARRAY.getName());
        assertTrue(p instanceof ArcProperty);

        ClassDescriptor target = ((ArcProperty) p).getTargetDescriptor();
        assertNotNull(target);
        assertSame(resolver.getClassDescriptor("MtTable2"), target);
        assertNotNull(((ArcProperty) p).getComplimentaryReverseArc());
        assertEquals(MtTable2.TABLE1.getName(), ((ArcProperty) p)
                .getComplimentaryReverseArc()
                .getName());
    }
}
