ipojo/runtime/core-it/ipojo-core-service-dependency-test/src/test/java/org/apache/felix/ipojo/runtime/core/test/dependencies/filter/TestSimpleFilterDependencies.java

/*
 * 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
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package org.apache.felix.ipojo.runtime.core.test.dependencies.filter;

import org.apache.felix.ipojo.ComponentInstance;
import org.apache.felix.ipojo.architecture.Architecture;
import org.apache.felix.ipojo.architecture.InstanceDescription;
import org.apache.felix.ipojo.runtime.core.test.dependencies.Common;
import org.apache.felix.ipojo.runtime.core.test.services.CheckService;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.osgi.framework.ServiceReference;

import java.util.Properties;

import static org.junit.Assert.*;

public class TestSimpleFilterDependencies extends Common {

    ComponentInstance instance1, instance2, instance3;
    ComponentInstance fooProvider1, fooProvider2;

    @Before
    public void setUp() {
        try {
            Properties prov = new Properties();
            prov.put("instance.name", "FooProvider1");
            fooProvider1 = ipojoHelper.getFactory("SimpleFilterCheckServiceProvider").createComponentInstance(prov);
            fooProvider1.stop();

            prov = new Properties();
            prov.put("instance.name", "FooProvider2");
            fooProvider2 = ipojoHelper.getFactory("SimpleFilterCheckServiceProvider").createComponentInstance(prov);
            fooProvider2.stop();

            Properties i1 = new Properties();
            i1.put("instance.name", "Subscriber1");
            instance1 = ipojoHelper.getFactory("SimpleFilterCheckServiceSubscriber").createComponentInstance(i1);

            Properties i2 = new Properties();
            i2.put("instance.name", "Subscriber2");
            Properties ii2 = new Properties();
            ii2.put("id2", "(toto=A)");
            i2.put("requires.filters", ii2);
            instance2 = ipojoHelper.getFactory("SimpleFilterCheckServiceSubscriber2").createComponentInstance(i2);

            Properties i3 = new Properties();
            i3.put("instance.name", "Subscriber3");
            Properties ii3 = new Properties();
            ii3.put("id1", "(toto=A)");
            i3.put("requires.filters", ii3);
            instance3 = ipojoHelper.getFactory("SimpleFilterCheckServiceSubscriber").createComponentInstance(i3);

        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }

    }

    @After
    public void tearDown() {
        instance1.dispose();
        instance2.dispose();
        instance3.dispose();
        fooProvider1.dispose();
        fooProvider2.dispose();
        instance1 = null;
        instance2 = null;
        instance3 = null;
        fooProvider1 = null;
        fooProvider2 = null;
    }

    @Test
    public void testSimpleNotMatch() {
        instance1.start();

        ServiceReference arch_ref = ipojoHelper.getServiceReferenceByName(Architecture.class.getName(), instance1.getInstanceName());
        assertNotNull("Check architecture availability", arch_ref);
        InstanceDescription id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id.getState() == ComponentInstance.INVALID);

        fooProvider1.start();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id.getState() == ComponentInstance.INVALID);

        ServiceReference cs_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        CheckService cs = (CheckService) getContext().getService(cs_ref);
        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 1", id.getState() == ComponentInstance.VALID);

        ServiceReference cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        CheckService cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("Check service invocation", cs_instance.check());

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 3", id.getState() == ComponentInstance.INVALID);

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 2", id.getState() == ComponentInstance.VALID);

        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 4", id.getState() == ComponentInstance.INVALID);

        fooProvider1.start();
        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();

        assertTrue("Check instance invalidity - 4.1", id.getState() == ComponentInstance.INVALID);

        cs_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        cs = (CheckService) getContext().getService(cs_ref);
        cs.check();

        assertTrue("Check instance validity - 3", id.getState() == ComponentInstance.VALID);


        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 5", id.getState() == ComponentInstance.INVALID);

        id = null;
        cs = null;
        cs_instance = null;
        getContext().ungetService(cs_instance_ref);
        getContext().ungetService(arch_ref);
        getContext().ungetService(cs_ref);
    }

    @Test
    public void testSimpleMatch() {

        fooProvider1.start();

        ServiceReference cs_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        CheckService cs = (CheckService) getContext().getService(cs_ref);
        // change the value of the property toto
        cs.check();

        instance1.start();

        ServiceReference arch_ref = ipojoHelper.getServiceReferenceByName(Architecture.class.getName(), instance1.getInstanceName());
        assertNotNull("Check architecture availability", arch_ref);
        InstanceDescription id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 1", id.getState() == ComponentInstance.VALID);

        ServiceReference cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        CheckService cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("Check service invocation", cs_instance.check());

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id.getState() == ComponentInstance.INVALID);

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 2", id.getState() == ComponentInstance.VALID);

        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id.getState() == ComponentInstance.INVALID);

        fooProvider1.start();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 4.1", id.getState() == ComponentInstance.INVALID);

        cs_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        cs = (CheckService) getContext().getService(cs_ref);
        cs.check();

        assertTrue("Check instance validity - 3", id.getState() == ComponentInstance.VALID);

        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 3", id.getState() == ComponentInstance.INVALID);

        id = null;
        cs = null;
        cs_instance = null;
        getContext().ungetService(cs_instance_ref);
        getContext().ungetService(arch_ref);
        getContext().ungetService(cs_ref);
    }

    @Test
    public void testSimpleNotMatchInstance() {
        instance3.start();

        ServiceReference arch_ref = ipojoHelper.getServiceReferenceByName(Architecture.class.getName(), instance3.getInstanceName());
        assertNotNull("Check architecture availability", arch_ref);
        InstanceDescription id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id.getState() == ComponentInstance.INVALID);

        fooProvider1.start();
        ServiceReference cs_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        CheckService cs = (CheckService) getContext().getService(cs_ref);
        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id.getState() == ComponentInstance.INVALID);

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 1", id.getState() == ComponentInstance.VALID);

        ServiceReference cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance3.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        CheckService cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("Check service invocation", cs_instance.check());

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 3", id.getState() == ComponentInstance.INVALID);

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 2", id.getState() == ComponentInstance.VALID);

        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance3.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 4", id.getState() == ComponentInstance.INVALID);

        fooProvider1.start();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 3", id.getState() == ComponentInstance.VALID);

        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance3.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 5", id.getState() == ComponentInstance.INVALID);

        id = null;
        cs = null;
        cs_instance = null;
        getContext().ungetService(cs_instance_ref);
        getContext().ungetService(arch_ref);
        getContext().ungetService(cs_ref);
    }

    @Test
    public void testSimpleMatchInstance() {

        fooProvider1.start();
        instance3.start();

        ServiceReference arch_ref = ipojoHelper.getServiceReferenceByName(Architecture.class.getName(), instance3.getInstanceName());
        assertNotNull("Check architecture availability", arch_ref);
        InstanceDescription id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 1", id.getState() == ComponentInstance.VALID);

        ServiceReference cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance3.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        CheckService cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("Check service invocation", cs_instance.check());

        ServiceReference cs_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        CheckService cs = (CheckService) getContext().getService(cs_ref);
        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id.getState() == ComponentInstance.INVALID);

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 2", id.getState() == ComponentInstance.VALID);

        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance3.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id.getState() == ComponentInstance.INVALID);

        fooProvider1.start();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 3", id.getState() == ComponentInstance.VALID);

        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance3.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 3", id.getState() == ComponentInstance.INVALID);

        id = null;
        cs = null;
        cs_instance = null;
        getContext().ungetService(cs_instance_ref);
        getContext().ungetService(arch_ref);
        getContext().ungetService(cs_ref);
    }

    @Test
    public void testSimpleNotMatchInstanceWithoutFilter() {
        instance2.start();

        ServiceReference arch_ref = ipojoHelper.getServiceReferenceByName(Architecture.class.getName(), instance2.getInstanceName());
        assertNotNull("Check architecture availability", arch_ref);
        InstanceDescription id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id.getState() == ComponentInstance.INVALID);

        fooProvider1.start();
        ServiceReference cs_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        CheckService cs = (CheckService) getContext().getService(cs_ref);
        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id.getState() == ComponentInstance.INVALID);

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 1", id.getState() == ComponentInstance.VALID);

        ServiceReference cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance2.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        CheckService cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("Check service invocation", cs_instance.check());

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 3", id.getState() == ComponentInstance.INVALID);

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 2", id.getState() == ComponentInstance.VALID);

        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance2.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 4", id.getState() == ComponentInstance.INVALID);

        fooProvider1.start();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 3", id.getState() == ComponentInstance.VALID);

        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance2.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 5", id.getState() == ComponentInstance.INVALID);

        id = null;
        cs = null;
        cs_instance = null;
        getContext().ungetService(cs_instance_ref);
        getContext().ungetService(arch_ref);
        getContext().ungetService(cs_ref);
    }

    @Test
    public void testSimpleMatchInstanceWithoutFilter() {

        fooProvider1.start();
        instance2.start();

        ServiceReference arch_ref = ipojoHelper.getServiceReferenceByName(Architecture.class.getName(), instance2.getInstanceName());
        assertNotNull("Check architecture availability", arch_ref);
        InstanceDescription id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 1", id.getState() == ComponentInstance.VALID);

        ServiceReference cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance2.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        CheckService cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("Check service invocation", cs_instance.check());

        ServiceReference cs_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        CheckService cs = (CheckService) getContext().getService(cs_ref);
        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id.getState() == ComponentInstance.INVALID);

        // change the value of the property toto
        cs.check();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 2", id.getState() == ComponentInstance.VALID);

        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance2.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id.getState() == ComponentInstance.INVALID);

        fooProvider1.start();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance validity - 3", id.getState() == ComponentInstance.VALID);

        cs_instance_ref = ipojoHelper.getServiceReferenceByName(CheckService.class.getName(), instance2.getInstanceName());
        assertNotNull("Check CheckService availability", cs_instance_ref);
        cs_instance = (CheckService) getContext().getService(cs_instance_ref);
        assertTrue("check CheckService invocation", cs_instance.check());

        fooProvider1.stop();

        id = ((Architecture) getContext().getService(arch_ref)).getInstanceDescription();
        assertTrue("Check instance invalidity - 3", id.getState() == ComponentInstance.INVALID);

        id = null;
        cs = null;
        cs_instance = null;
        getContext().ungetService(cs_instance_ref);
        getContext().ungetService(arch_ref);
        getContext().ungetService(cs_ref);
    }

}