TestNullCheck.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 *   http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing,
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package org.apache.felix.ipojo.runtime.core;

import org.apache.felix.ipojo.Factory;
import org.apache.felix.ipojo.runtime.core.services.FooService;
import org.junit.Test;
import org.osgi.framework.ServiceReference;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

public class TestNullCheck extends Common {

    @Test
    public void testNull() {

        String factName = "PS-Null";
        String compName = "NullCheck";
        ServiceReference ref = null;

        // Check that no Foo Service are available
        ref = osgiHelper.getServiceReference(FooService.class.getName());
        assertNull("FS already available", ref);

        // Get the factory to create a component instance
        Factory fact = ipojoHelper.getFactory(factName);
        assertNotNull("Cannot find the factory FooProvider-1", fact);

        // Don't give any configuration so, properties are null.
        ipojoHelper.createComponentInstance(factName, compName);

        // Get a FooService provider
        ref = osgiHelper.getServiceReference(FooService.class.getName(), "(" + "instance.name" + "=" + compName + ")");

        assertNotNull("FS not available", ref);

        // Check service properties
        assertNull(ref.getProperty("prop1"));
        assertNotNull(ref.getProperty("prop2"));

        // Test foo invocation
        FooService fs = (FooService) osgiHelper.getRawServiceObject(ref);
        assertTrue("FooService invocation failed", fs.foo());

        ref = osgiHelper.getServiceReference(FooService.class.getName(), "(" + "instance.name" + "=" + compName + ")");
        // Check service properties
        assertNotNull(ref.getProperty("prop1"));
        assertNull(ref.getProperty("prop2"));

        ipojoHelper.dispose();

        // Check that there is no more FooService
        ref = osgiHelper.getServiceReference(FooService.class.getName(), null);

        assertNull("FS available, but component instance stopped", ref);

    }

}