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 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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package org.apache.olingo.odata2.jpa.processor.core.model;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.util.HashSet;
import java.util.Set;

import javax.persistence.metamodel.Attribute;
import javax.persistence.metamodel.EntityType;
import javax.persistence.metamodel.Metamodel;

import org.apache.olingo.odata2.api.edm.provider.Schema;
import org.apache.olingo.odata2.jpa.processor.api.access.JPAEdmBuilder;
import org.apache.olingo.odata2.jpa.processor.api.exception.ODataJPAModelException;
import org.apache.olingo.odata2.jpa.processor.api.exception.ODataJPARuntimeException;
import org.apache.olingo.odata2.jpa.processor.api.model.JPAEdmAssociationView;
import org.apache.olingo.odata2.jpa.processor.api.model.JPAEdmEntityContainerView;
import org.apache.olingo.odata2.jpa.processor.api.model.JPAEdmEntitySetView;
import org.apache.olingo.odata2.jpa.processor.api.model.JPAEdmEntityTypeView;
import org.apache.olingo.odata2.jpa.processor.core.common.ODataJPATestConstants;
import org.apache.olingo.odata2.jpa.processor.core.mock.model.JPAEntityTypeMock;
import org.apache.olingo.odata2.jpa.processor.core.mock.model.JPAMetaModelMock;
import org.apache.olingo.odata2.jpa.processor.core.mock.model.JPASingularAttributeMock;
import org.junit.Before;
import org.junit.Test;

public class JPAEdmEntityContainerTest extends JPAEdmTestModelView {

  private JPAEdmEntityContainer objJPAEdmEntityContainer;
  private JPAEdmEntityContainerTest objJPAEdmEntityContainerTest;

  @Before
  public void setUp() {
    objJPAEdmEntityContainerTest = new JPAEdmEntityContainerTest();
    objJPAEdmEntityContainer = new JPAEdmEntityContainer(objJPAEdmEntityContainerTest);
    try {
      objJPAEdmEntityContainer.getBuilder().build();
    } catch (ODataJPAModelException e) {
      fail(ODataJPATestConstants.EXCEPTION_MSG_PART_1 + e.getMessage() + ODataJPATestConstants.EXCEPTION_MSG_PART_2);
    } catch (ODataJPARuntimeException e) {
      fail(ODataJPATestConstants.EXCEPTION_MSG_PART_1 + e.getMessage() + ODataJPATestConstants.EXCEPTION_MSG_PART_2);
    }
  }

  @Test
  public void testGetBuilder() {
    assertNotNull(objJPAEdmEntityContainer.getBuilder());
  }

  @Test
  public void testGetEdmEntityContainer() {
    assertNotNull(objJPAEdmEntityContainer.getEdmEntityContainer());
    assertTrue(objJPAEdmEntityContainer.getEdmEntityContainer().getEntitySets().size() > 0);
  }

  @Test
  public void testGetConsistentEdmEntityContainerList() {
    assertNotNull(objJPAEdmEntityContainer.getConsistentEdmEntityContainerList());
    assertTrue(objJPAEdmEntityContainer.getConsistentEdmEntityContainerList().size() > 0);

  }

  @Test
  public void testGetJPAEdmEntitySetView() {
    assertNotNull(objJPAEdmEntityContainer.getJPAEdmEntitySetView());
    assertEquals("salesorderprocessing", objJPAEdmEntityContainer.getJPAEdmEntitySetView().getpUnitName());
  }

  @Test
  public void testIsConsistent() {
    assertTrue(objJPAEdmEntityContainer.isConsistent());
    objJPAEdmEntityContainer.clean();
    assertFalse(objJPAEdmEntityContainer.isConsistent());
  }

  @Test
  public void testGetEdmAssociationSetView() {
    assertNotNull(objJPAEdmEntityContainer.getEdmAssociationSetView());
  }

  @Test
  public void testGetBuilderIdempotent() {
    JPAEdmBuilder builder1 = objJPAEdmEntityContainer.getBuilder();
    JPAEdmBuilder builder2 = objJPAEdmEntityContainer.getBuilder();

    assertEquals(builder1.hashCode(), builder2.hashCode());
  }

  @Override
  public Metamodel getJPAMetaModel() {
    return new JPAEdmMetaModel();
  }

  @Override
  public JPAEdmEntitySetView getJPAEdmEntitySetView() {
    return this;
  }

  @Override
  public JPAEdmEntityContainerView getJPAEdmEntityContainerView() {
    return this;
  }

  @Override
  public EntityType<?> getJPAEntityType() {
    return new JPAEdmEntityType<String>();
  }

  @Override
  public JPAEdmEntityTypeView getJPAEdmEntityTypeView() {
    return this;
  }

  @Override
  public Schema getEdmSchema() {
    Schema schema = new Schema();
    schema.setNamespace("salesordereprocessing");
    return schema;
  }

  @Override
  public String getpUnitName() {
    return "salesorderprocessing";
  }

  @Override
  public JPAEdmAssociationView getJPAEdmAssociationView() {
    return this;
  }

  @Override
  public JPAEdmBuilder getBuilder() {
    return new JPAEdmBuilder() {

      @Override
      public void build() {
        // Nothing to do?
      }
    };
  }

  private class JPAEdmMetaModel extends JPAMetaModelMock {
    Set<EntityType<?>> entities;

    public JPAEdmMetaModel() {
      entities = new HashSet<EntityType<?>>();
    }

    @Override
    public Set<EntityType<?>> getEntities() {
      entities.add(new JPAEdmEntityType());
      return entities;
    }

    private class JPAEdmEntityType extends JPAEntityTypeMock<String> {
      @Override
      public String getName() {
        return "SalesOrderHeader";
      }

      @Override
      public Class<String> getJavaType() {
        return (Class<String>) java.lang.String.class;
      }
    }
  }

  @SuppressWarnings("hiding")
  private class JPAEdmEntityType<String> extends JPAEntityTypeMock<String> {
    Set<Attribute<? super String, ?>> attributeSet = new HashSet<Attribute<? super String, ?>>();

    @SuppressWarnings({ "unchecked", "rawtypes" })
    private void setValuesToSet() {
      attributeSet.add((Attribute<? super String, String>) new JPAEdmAttribute(java.lang.String.class, "SOID"));
      attributeSet.add((Attribute<? super String, String>) new JPAEdmAttribute(java.lang.String.class, "SONAME"));
    }

    @Override
    public Set<Attribute<? super String, ?>> getAttributes() {
      setValuesToSet();
      return attributeSet;
    }

    private class JPAEdmAttribute<Object, String> extends JPASingularAttributeMock<Object, String> {

      @Override
      public PersistentAttributeType getPersistentAttributeType() {
        return PersistentAttributeType.BASIC;
      }

      Class<String> clazz;
      java.lang.String attributeName;

      public JPAEdmAttribute(final Class<String> javaType, final java.lang.String name) {
        this.clazz = javaType;
        this.attributeName = name;

      }

      @Override
      public Class<String> getJavaType() {
        return clazz;
      }

      @Override
      public java.lang.String getName() {
        return this.attributeName;
      }

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

}
