由Alternative替代的CDI-Bean得到不必要的验证

时间:2018-09-20 18:41:09

标签: java cdi weld cdi-unit

以下测试类使用Weld-Se启动容器。此容器通常应运行3个类 CdiBean1,CdiHelperBean DummyBean DummyBean 仅由 CdiHelperBean 使用。 CdiHelperBean 被注入到 CdiBean1 中。给定下面的代码,我以某种方式启动容器,即 CdiHelperBean 被替换为 CdiHelperBeanAlt

我希望 CdiHelperBean 通常使用的Bean不必包含在内,因为无论如何它们都不会被创建。这是行不通的,因为Weld-Verifier会检查是否所有注入到替换类中的注入都是可能的。

有办法避免这种情况吗?

它在焊缝2.​​3.5和焊缝3.0.4上表现出相同的行为。

TestClass:

package purecdi;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.net.URL;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import javax.enterprise.inject.Alternative;
import javax.enterprise.inject.spi.DeploymentException;
import javax.enterprise.inject.spi.Extension;
import javax.inject.Inject;

import org.jboss.weld.bootstrap.api.CDI11Bootstrap;
import org.jboss.weld.bootstrap.api.ServiceRegistry;
import org.jboss.weld.bootstrap.api.helpers.SimpleServiceRegistry;
import org.jboss.weld.bootstrap.spi.BeanDeploymentArchive;
import org.jboss.weld.bootstrap.spi.BeanDiscoveryMode;
import org.jboss.weld.bootstrap.spi.BeansXml;
import org.jboss.weld.bootstrap.spi.Deployment;
import org.jboss.weld.bootstrap.spi.Metadata;
import org.jboss.weld.bootstrap.spi.Scanning;
import org.jboss.weld.ejb.spi.EjbDescriptor;
import org.jboss.weld.environment.se.Weld;
import org.jboss.weld.environment.se.WeldContainer;
import org.jboss.weld.resources.spi.ResourceLoader;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * @author aschoerk
 */
public class PureWeldSeAltTest extends TestBaseClass {

    @Override
    public Collection<String> getBeanClasses() {
        return  Arrays.asList(CdiBean1.class.getName(),
                // DummyClass.class.getName(),
                CdiHelperBean.class.getName(),
                CdiHelperBeanAlt.class.getName());
    }

    @Override
    public List<Metadata<String>> getAlternativeClasses() {
        return  Arrays.asList(new Metadata<String>() {
                                  @Override
                                  public String getValue() {
                                      return CdiHelperBeanAlt.class.getName();
                                  }

                                  @Override
                                  public String getLocation() {
                                      return "In Testcode";
                                  }
                              }
        );
    }

    public interface CdiHelperBeanIntf {
        boolean callHelper();
    }

    static class DummyClass {
    }


    @Alternative
    static class CdiHelperBeanAlt implements CdiHelperBeanIntf {
        @Override
        public boolean callHelper() {
            return false;
        }
    }

    static class CdiHelperBean implements CdiHelperBeanIntf {

        @Inject
        private DummyClass value;

        @Override
        public boolean callHelper() {
            return true;
        }
    }

    static class CdiBean1 {
        @Inject
        CdiHelperBeanIntf cdiHelperBean;

        public boolean callThis() {
            return true;
        }

        public CdiHelperBeanIntf getCdiHelperBean() {
            return cdiHelperBean;
        }
    }

    @Test
    public void test() {
        assertTrue(container.instance().select(CdiBean1.class).get().callThis());
        assertFalse(container.instance().select(CdiBean1.class).get().getCdiHelperBean().callHelper());
    }

}

基类:

package purecdi;

import java.net.URL;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import javax.enterprise.inject.spi.Extension;

import org.jboss.weld.bootstrap.api.CDI11Bootstrap;
import org.jboss.weld.bootstrap.api.ServiceRegistry;
import org.jboss.weld.bootstrap.api.helpers.SimpleServiceRegistry;
import org.jboss.weld.bootstrap.spi.BeanDeploymentArchive;
import org.jboss.weld.bootstrap.spi.BeanDiscoveryMode;
import org.jboss.weld.bootstrap.spi.BeansXml;
import org.jboss.weld.bootstrap.spi.Deployment;
import org.jboss.weld.bootstrap.spi.Metadata;
import org.jboss.weld.bootstrap.spi.Scanning;
import org.jboss.weld.ejb.spi.EjbDescriptor;
import org.jboss.weld.environment.se.Weld;
import org.jboss.weld.environment.se.WeldContainer;
import org.jboss.weld.resources.spi.ResourceLoader;
import org.junit.After;
import org.junit.Before;

/**
 * @author aschoerk
 */
public abstract class TestBaseClass {
    WeldContainer container;

    protected Collection<String> getBeanClasses() {
        return Collections.EMPTY_LIST;
    }

    protected List<Metadata<String>> getAlternativeClasses() {
        return Collections.EMPTY_LIST;
    }

    protected List<Metadata<String>> getEnabledAlternativeStereotypes() {
        return Collections.EMPTY_LIST;
    }


    @Before
    public void setUp() {
        Weld weld = new Weld() {

            @Override
            protected Deployment createDeployment(final ResourceLoader resourceLoader, final CDI11Bootstrap bootstrap) {

                final ServiceRegistry services = new SimpleServiceRegistry();

                final BeanDeploymentArchive oneDeploymentArchive = createOneDeploymentArchive(services);

                oneDeploymentArchive.getServices().add(ResourceLoader.class, resourceLoader);

                Deployment res = new Deployment() {

                    @Override
                    public Collection<BeanDeploymentArchive> getBeanDeploymentArchives() {
                        return Arrays.asList(oneDeploymentArchive);
                    }

                    @Override
                    public BeanDeploymentArchive loadBeanDeploymentArchive(final Class<?> beanClass) {
                        return oneDeploymentArchive;
                    }

                    @Override
                    public ServiceRegistry getServices() {
                        return oneDeploymentArchive.getServices();
                    }

                    @Override
                    public Iterable<Metadata<Extension>> getExtensions() {
                        return Collections.emptyList();
                    }
                };

                return res;
            }


        };
        container = weld.initialize();
    }

    private BeanDeploymentArchive createOneDeploymentArchive(final ServiceRegistry services) {
        return new BeanDeploymentArchive() {

            @Override
            public Collection<BeanDeploymentArchive> getBeanDeploymentArchives() {
                return Collections.EMPTY_LIST;
            }

            @Override
            public Collection<String> getBeanClasses() {
                return TestBaseClass.this.getBeanClasses();
            }

            @Override
            public BeansXml getBeansXml() {
                return createBeansXml();
            }

            @Override
            public Collection<EjbDescriptor<?>> getEjbs() {
                return null;
            }

            @Override
            public ServiceRegistry getServices() {
                return services;
            }

            @Override
            public String getId() {
                return this.getClass().getSimpleName();
            }
        };
    }

    private BeansXml createBeansXml() {
        return new BeansXml() {
            @Override
            public boolean isTrimmed() {
                return false;
            }

            @Override
            public List<Metadata<String>> getEnabledAlternativeStereotypes() {
                return TestBaseClass.this.getEnabledAlternativeStereotypes();
            }

            @Override
            public List<Metadata<String>> getEnabledAlternativeClasses() {
                return TestBaseClass.this.getAlternativeClasses();
            }

            @Override
            public List<Metadata<String>> getEnabledDecorators() {
                return Collections.EMPTY_LIST;
            }

            @Override
            public List<Metadata<String>> getEnabledInterceptors() {
                return Collections.EMPTY_LIST;
            }

            @Override
            public Scanning getScanning() {
                return Scanning.EMPTY_SCANNING;
            }

            @Override
            public URL getUrl() {
                return null;
            }

            @Override
            public BeanDiscoveryMode getBeanDiscoveryMode() {
                return BeanDiscoveryMode.ALL;
            }

            @Override
            public String getVersion() {
                return "1.0";
            }
        };
    }


    @After
    public void tearDown() {
        if (container != null)
            container.close();
    }
}

0 个答案:

没有答案
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