/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * 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
 * 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.apache.tuscany.core.component.scope;

import java.net.URI;

import junit.framework.TestCase;
import org.easymock.EasyMock;
import org.easymock.IMocksControl;

import org.apache.tuscany.spi.component.AtomicComponent;
import org.apache.tuscany.spi.component.InstanceWrapper;
import org.apache.tuscany.spi.component.ScopeContainer;
import org.apache.tuscany.spi.component.TargetResolutionException;
import org.apache.tuscany.spi.model.Scope;

/**
 * @version $$Rev$$ $$Date$$
 */
public class BasicCompositeScopeTestCase<T> extends TestCase {
    protected IMocksControl control;
    protected ScopeContainer<URI> scopeContainer;
    protected URI groupId;
    protected URI contextId;
    protected AtomicComponent<T> component;
    protected InstanceWrapper<T> wrapper;

    public void testCorrectScope() {
        assertEquals(Scope.COMPOSITE, scopeContainer.getScope());
    }

    public void testWrapperCreation() throws Exception {
        EasyMock.expect(component.createInstanceWrapper()).andReturn(wrapper);
        wrapper.start();
        control.replay();
        scopeContainer.register(component, groupId);
        assertSame(wrapper, scopeContainer.getWrapper(component, contextId));
        assertSame(wrapper, scopeContainer.getWrapper(component, contextId));
        assertSame(wrapper, scopeContainer.getAssociatedWrapper(component, contextId));
        control.verify();
    }

    public void testGetAssociatedInstanceNonExistent() throws Exception {
        URI uri = URI.create("oops");
        EasyMock.expect(component.getUri()).andReturn(uri);
        control.replay();
        scopeContainer.register(component, groupId);
        try {
            scopeContainer.getAssociatedWrapper(component, contextId);
            fail();
        } catch (TargetResolutionException e) {
            assertEquals(uri.toString(), e.getMessage());
        }
        control.verify();
    }

    /*
        public void testLifecycleWithNoEagerInit() throws Exception {
            EasyMock.expect(component.getInitLevel()).andReturn(0);
            control.replay();
            scopeContainer.startContext(contextId, groupId);
            scopeContainer.stopContext(contextId);
            control.verify();
        }

        public void testLifecycleWithEagerInit() throws Exception {
            EasyMock.expect(component.getInitLevel()).andReturn(1);
            EasyMock.expect(component.createInstanceWrapper()).andReturn(wrapper);
            wrapper.start();
            wrapper.stop();
            EasyMock.replay(component, wrapper);
            scopeContainer.onEvent(new ComponentStart(this, null));
            scopeContainer.onEvent(new ComponentStop(this, null));
            EasyMock.verify(component, wrapper);
        }

        public void testDestroyOrder() throws Exception {
            scopeContainer = new CompositeScopeContainer(null);
            scopeContainer.start();
            IMocksControl control = EasyMock.createStrictControl();
            InstanceWrapper wrapper1 = control.createMock(InstanceWrapper.class);
            InstanceWrapper wrapper2 = control.createMock(InstanceWrapper.class);
            InstanceWrapper wrapper3 = control.createMock(InstanceWrapper.class);
            AtomicComponent component1 = control.createMock(AtomicComponent.class);
            AtomicComponent component2 = control.createMock(AtomicComponent.class);
            AtomicComponent component3 = control.createMock(AtomicComponent.class);

            EasyMock.expect(component1.getInitLevel()).andStubReturn(-1);
            EasyMock.expect(component2.getInitLevel()).andStubReturn(1);
            EasyMock.expect(component3.getInitLevel()).andStubReturn(-1);

            EasyMock.expect(component2.createInstanceWrapper()).andReturn(wrapper2);
            wrapper2.start();
            EasyMock.expect(component1.createInstanceWrapper()).andReturn(wrapper1);
            wrapper1.start();
            EasyMock.expect(component3.createInstanceWrapper()).andReturn(wrapper3);
            wrapper3.start();
            wrapper3.stop();
            wrapper1.stop();
            wrapper2.stop();
            control.replay();

            scopeContainer.register(component1, contextId);
            scopeContainer.register(component2, contextId);
            scopeContainer.register(component3, contextId);
            scopeContainer.onEvent(new ComponentStart(this, null));
            assertSame(wrapper1, scopeContainer.getWrapper(component1));
            assertSame(wrapper2, scopeContainer.getWrapper(component2));
            assertSame(wrapper3, scopeContainer.getWrapper(component3));
            scopeContainer.onEvent(new ComponentStop(this, null));
            control.verify();
        }
    */
    @SuppressWarnings("unchecked")
    protected void setUp() throws Exception {
        super.setUp();
        groupId = contextId = URI.create("compositeId");
        control = EasyMock.createStrictControl();
        component = control.createMock(AtomicComponent.class);
        EasyMock.expect(component.isEagerInit()).andStubReturn(false);
        wrapper = control.createMock(InstanceWrapper.class);

        scopeContainer = new CompositeScopeContainer<URI>(null);
        scopeContainer.start();
        scopeContainer.startContext(contextId, groupId);
    }
}