@Test
public void testToCompositeData() throws Exception {

    Bundle bundle = mock(Bundle.class);
    BundleContext context = mock(BundleContext.class);
    PackageAdmin packageAdmin = mock(PackageAdmin.class);
    StartLevel startLevel = mock(StartLevel.class);
    Bundle b1 = mock(Bundle.class);
    when(b1.getSymbolicName()).thenReturn("b1");
    when(b1.getBundleId()).thenReturn(new Long(44));
    Bundle b2 = mock(Bundle.class);
    when(b2.getSymbolicName()).thenReturn("b2");
    when(b2.getBundleId()).thenReturn(new Long(55));
    Bundle b3 = mock(Bundle.class);
    when(b3.getSymbolicName()).thenReturn("b3");
    when(b3.getBundleId()).thenReturn(new Long(66));
    when(context.getBundles()).thenReturn(new Bundle[] { bundle, b1, b2, b3 });
    when(bundle.getSymbolicName()).thenReturn("test");
    when(bundle.getVersion()).thenReturn(Version.emptyVersion);
    when(bundle.getBundleId()).thenReturn(new Long(1));
    when(bundle.getLastModified()).thenReturn(new Long(12345));
    when(bundle.getLocation()).thenReturn("location");
    //headers
    Dictionary<String, String> headers = new Hashtable<String, String>();
    headers.put(Constants.BUNDLE_SYMBOLICNAME, "test");
    headers.put(Constants.BUNDLE_VERSION, "0.0.0");
    when(bundle.getHeaders()).thenReturn(headers);
    //exported packages
    ExportedPackage exported = mock(ExportedPackage.class);
    when(exported.getName()).thenReturn("org.apache.aries.jmx");
    when(exported.getVersion()).thenReturn(new Version("1.0.0"));
    when(exported.getExportingBundle()).thenReturn(bundle);
    when(packageAdmin.getExportedPackages(bundle)).thenReturn(new ExportedPackage[] { exported });
    //imported packages
    ExportedPackage ep1 = mock(ExportedPackage.class);
    when(ep1.getImportingBundles()).thenReturn(new Bundle[] { bundle, b2, b3 });
    when(ep1.getName()).thenReturn("org.apache.aries.jmx.b1");
    when(ep1.getVersion()).thenReturn(Version.emptyVersion);
    when(ep1.getExportingBundle()).thenReturn(b1);
    ExportedPackage ep2 = mock(ExportedPackage.class);
    when(ep2.getImportingBundles()).thenReturn(new Bundle[] { bundle, b3 });
    when(ep2.getName()).thenReturn("org.apache.aries.jmx.b2");
    when(ep2.getVersion()).thenReturn(Version.parseVersion("2.0.1"));
    when(ep2.getExportingBundle()).thenReturn(b2);
    headers.put(Constants.DYNAMICIMPORT_PACKAGE, "*");
    when(packageAdmin.getExportedPackages(b1)).thenReturn(new ExportedPackage[] { ep1 });
    when(packageAdmin.getExportedPackages(b2)).thenReturn(new ExportedPackage[] { ep2 });
    when(packageAdmin.getExportedPackages(b3)).thenReturn(null);
    //required bundles
    RequiredBundle rb1 = mock(RequiredBundle.class);
    when(rb1.getBundle()).thenReturn(b1);
    when(rb1.getRequiringBundles()).thenReturn(new Bundle[] { bundle, b2 });
    RequiredBundle rb2 = mock(RequiredBundle.class);
    when(rb2.getBundle()).thenReturn(b2);
    when(rb2.getRequiringBundles()).thenReturn(new Bundle[] { b1 });
    RequiredBundle rb3 = mock(RequiredBundle.class);
    when(rb3.getBundle()).thenReturn(b3);
    when(rb3.getRequiringBundles()).thenReturn(new Bundle[] { bundle, b1, b2 });
    headers.put(Constants.REQUIRE_BUNDLE, "b1;bundle-version=\"1.0.0\",b3;bundle-version=\"2.0.0\"");
    when(packageAdmin.getRequiredBundles("b1")).thenReturn(new RequiredBundle[] { rb1 });
    when(packageAdmin.getRequiredBundles("b2")).thenReturn(new RequiredBundle[] { rb2 });
    when(packageAdmin.getRequiredBundles("b3")).thenReturn(new RequiredBundle[] { rb3 });
    //services in use
    ServiceReference s1 = mock(ServiceReference.class);
    when(s1.getProperty(Constants.SERVICE_ID)).thenReturn(new Long(15));
    ServiceReference s2 = mock(ServiceReference.class);
    when(s2.getProperty(Constants.SERVICE_ID)).thenReturn(new Long(16));
    ServiceReference s3 = mock(ServiceReference.class);
    when(s3.getProperty(Constants.SERVICE_ID)).thenReturn(new Long(17));
    when(bundle.getServicesInUse()).thenReturn(new ServiceReference[] { s1, s2, s3 });
    BundleData b = new BundleData(context, bundle, packageAdmin, startLevel);
    CompositeData compositeData = b.toCompositeData();
    assertEquals("test", compositeData.get(SYMBOLIC_NAME));
    assertEquals("0.0.0", compositeData.get(VERSION));
    TabularData headerTable = (TabularData) compositeData.get(HEADERS);
    assertEquals(4, headerTable.values().size());
    CompositeData header = headerTable.get(new Object[]{Constants.BUNDLE_SYMBOLICNAME});
    assertNotNull(header);
    String value = (String) header.get(VALUE);
    assertEquals("test", value);
    String key = (String)header.get(KEY);
    assertEquals(Constants.BUNDLE_SYMBOLICNAME, key);
    TabularData bundleTable = new TabularDataSupport(BUNDLES_TYPE);
    bundleTable.put(b.toCompositeData());
    CompositeData bundleData = bundleTable.get(new Object[]{Long.valueOf(1)});
    assertNotNull(bundleData);
    String location = (String) bundleData.get(LOCATION);
    assertEquals("location", location);
    assertArrayEquals(new String[] { "org.apache.aries.jmx;1.0.0"} , (String[]) compositeData.get(EXPORTED_PACKAGES));
    assertArrayEquals(new String[] { "org.apache.aries.jmx.b1;0.0.0" , "org.apache.aries.jmx.b2;2.0.1"}, (String[]) compositeData.get(IMPORTED_PACKAGES));
    assertEquals(toSet(new long[] { 44, 55, 66 }), toSet((Long[]) compositeData.get(REQUIRED_BUNDLES)));
    assertArrayEquals(new Long[] { new Long(15), new Long(16), new Long(17) },(Long[]) compositeData.get(SERVICES_IN_USE));
    assertEquals("UNKNOWN", compositeData.get(STATE)); //default no return stub
    assertEquals(0,((Long[]) compositeData.get(HOSTS)).length);
    assertEquals(0, ((Long[]) compositeData.get(FRAGMENTS)).length);
}