@Before
public void createContext() {
if (ExtensionRegistry.getInstance() == null) {
myExtensionRegistry = new ExtensionRegistry(null, null);
myExtensionRegistry.init();
}
}
@After
public void checkAndCleanup() {
if (myExtensionRegistry != null) {
assert myExtensionRegistry == ExtensionRegistry.getInstance();
ExtensionRegistry.getInstance().dispose();
assertNull(ExtensionRegistry.getInstance());
this.myExtensionRegistry = null;
}
}
@Test
public void singleExtension() {
ExtensionPoint ep1 = mockExtensionPoint("ep1", EP1);
ExtensionDescriptor ed =
mockExtensionDescriptor(
"ed1", new ExtensionPoint[] {ep1}, new Extension[] {mockExtension("e1", EP1)});
ExtensionRegistry.getInstance().registerExtensionDescriptor(ed);
assertEquals(ep1, ExtensionRegistry.getInstance().getExtensionPoint(EP1));
ExtensionRegistry.getInstance().unregisterExtensionDescriptor(ed);
assertNull(ExtensionRegistry.getInstance().getExtensionPoint(EP1));
}
@Test
public void reversedExtensions() {
ExtensionPoint ep1 = mockExtensionPoint("ep1", EP1);
ExtensionDescriptor ed1 =
mockExtensionDescriptor("ed1", new ExtensionPoint[] {ep1}, new Extension[] {});
ExtensionDescriptor ed2 =
mockExtensionDescriptor(
"ed2", new ExtensionPoint[] {}, new Extension[] {mockExtension("e1", EP1)});
ExtensionRegistry.getInstance().registerExtensionDescriptor(ed2);
ExtensionRegistry.getInstance().registerExtensionDescriptor(ed1);
ExtensionRegistry.getInstance().unregisterExtensionDescriptor(ed1);
ExtensionRegistry.getInstance().unregisterExtensionDescriptor(ed2);
}
@Test
public void allExtensions() {
ExtensionPoint ep1 = mockExtensionPoint("ep1", EP1);
ExtensionDescriptor ed1 =
mockExtensionDescriptor("ed1", new ExtensionPoint[] {ep1}, new Extension[] {});
ExtensionDescriptor ed2 =
mockExtensionDescriptor(
"ed2", new ExtensionPoint[] {}, new Extension[] {mockExtension("e1", EP1)});
ExtensionDescriptor ed3 =
mockExtensionDescriptor(
"ed3", new ExtensionPoint[] {}, new Extension[] {mockExtension("e2", EP1)});
ExtensionRegistry.getInstance().registerExtensionDescriptor(ed3);
ExtensionRegistry.getInstance().registerExtensionDescriptor(ed2);
ExtensionRegistry.getInstance().registerExtensionDescriptor(ed1);
Iterable<Extension<?>> extensions = ep1.getExtensions();
List<Extension> extensionList = new ArrayList();
for (Iterator<Extension> it = ExtensionRegistry.getInstance().getExtensions(ep1).iterator();
it.hasNext(); ) {
extensionList.add(it.next());
}
assertSame(2, extensionList.size());
Collections.sort(
extensionList,
new Comparator<Extension>() {
@Override
public int compare(Extension o1, Extension o2) {
return String.CASE_INSENSITIVE_ORDER.compare(String.valueOf(o1), String.valueOf(o2));
}
});
assertEquals("[e1, e2]", extensionList.toString());
ExtensionRegistry.getInstance().unregisterExtensionDescriptor(ed3);
ExtensionRegistry.getInstance().unregisterExtensionDescriptor(ed2);
ExtensionRegistry.getInstance().unregisterExtensionDescriptor(ed1);
}