Examples of jfun.yan.Container.verifyKey()

jfun.yan.Container.verifyKey()
Verifies a component identified by key. @param key the component key. @return the component type. @throws CyclicDependencyException if cyclic dependency is detected. @throws UnresolvedComponentException if the component cannot be resolved. @throws UnsatisfiedComponentException if some requirement of the component cannot be satisfied. @throws YanException for any other exception.

    final Container yan = createYanContainer();
    yan.registerComponent("target", Components.list(new Creator[]{
        Components.value("hello"), Components.useKey("target")}
    ));
    try{
      yan.verifyKey("target");
      fail("should have failed with cyclic dependency");
    }
    catch(CyclicDependencyException e){
      assertEquals(4, e.getResolutionTrace().size());
      assertEntry(e, 0, "list [hello,useKey <target>]");

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    final Container yan = createYanContainer();
    yan.registerComponent("target", Components.array(new Component[]{
        Components.value("hello"), Components.useKey("target")}
    ));
    try{
      yan.verifyKey("target");
      fail("should have failed with cyclic dependency");
    }
    catch(CyclicDependencyException e){
      assertTraceSize(e, 4);
      assertEntry(e, 0, "array [hello,useKey <target>]:java.lang.Object[]");

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