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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jdo.tck.api.persistencemanager.detach;
import javax.jdo.FetchPlan;
import javax.jdo.JDODetachedFieldAccessException;
import org.apache.jdo.tck.pc.shoppingcart.CartEntry;
import org.apache.jdo.tck.pc.shoppingcart.Product;
import org.apache.jdo.tck.util.BatchTestRunner;
/**
* <B>Title:</B> Test DetachCopy
* <BR>
* <B>Keywords:</B> detachCopy detach
* <BR>
* <B>Assertion IDs:</B> A12.6.8-21
* <BR>
* <B>Assertion Description: </B>
* While detached, any field access to a field that was not loaded throws JDODetachedFieldAccessException.
*/
public class DetachAccessUnloadedField extends DetachTest {
private static final String ASSERTION_FAILED =
"Assertion A12.6.8-21 (DetachCopy) failed: ";
/**
* The <code>main</code> is called when the class
* is directly executed from the command line.
* @param args The arguments passed to the program.
*/
public static void main(String[] args) {
BatchTestRunner.run(DetachAccessUnloadedField.class);
}
/**
* Positive test for field access of detached instance
* Field is in fetch group,
* loaded at detachment with DETACH_LOAD_FIELDS true
*/
public void testDetachCopyFieldAccessOk() {
// datastore transaction, retainValues=false
getPM().currentTransaction().begin();
// sets fetch group cart, entries, product
setCartFetchGroups();
// DETACH_LOAD_FIELDS true by default
CartEntry cartEntryDetached = (CartEntry)pm.detachCopy(cartEntry1);
try {
Product prod = cartEntryDetached.getProduct();
} catch (JDODetachedFieldAccessException jdoex) {
fail("Unexpected exception caught: " + jdoex.getMessage());
}
pm.currentTransaction().commit();
}
/**
* Positive test for access of loaded field of detached instance
* All fields are in the fetch plan
* detachment options = 0, fields loaded by access of an instance
*/
public void testDetachCopyAccessLoadedField() {
// datastore transaction, retainValues=false
getPM().currentTransaction().begin();
// sets fetch group cart, entries, product
setCartFetchGroups();
// loads Product field
int quantity = cartEntry1.getQuantity();
pm.getFetchPlan().setDetachmentOptions(0);
CartEntry cartEntryDetached = (CartEntry)pm.detachCopy(cartEntry1);
try {
Product prodDetached = cartEntryDetached.getProduct();
} catch (JDODetachedFieldAccessException jdoex) {
fail("Unexpected exception caught: " + jdoex.getMessage());
} finally {
pm.currentTransaction().commit();
}
}
/**
* Negative test for access of unloaded field of detached instance
* with DETACH_UNLOAD_FIELDS set
*/
public void testDetachCopyAccessUnloadedField() {
// datastore transaction, retainValues=false
getPM().currentTransaction().begin();
// sets fetch group cart, entries, product
setCartFetchGroups();
Product prod = cartEntry1.getProduct();
pm.getFetchPlan().removeGroup(CARTENTRY_PRODUCT);
pm.getFetchPlan().setDetachmentOptions(FetchPlan.DETACH_UNLOAD_FIELDS);
CartEntry cartEntryDetached = (CartEntry)pm.detachCopy(cartEntry1);
try {
Product prodDetached = cartEntryDetached.getProduct();
fail("Expected exception on access of unloaded field, " +
"but none thrown.");
} catch (JDODetachedFieldAccessException jdoex) {
// expect exception
} finally {
pm.currentTransaction().commit();
}
}
/**
* Negative test for access of field of detached instance
* where field was not loaded
*/
public void testDetachCopyAccessFieldNotInFetchPlan() {
// datastore transaction, retainValues=false
getPM().currentTransaction().begin();
FetchPlan fp = pm.getFetchPlan();
// Product field not in Fetch Plan
fp.addGroup(CART_ENTRIES);
fp.addGroup(CARTENTRY_CART);
CartEntry cartEntryDetached = (CartEntry)pm.detachCopy(cartEntry1);
try {
Product prod = cartEntryDetached.getProduct();
fail("Expected exception on access of field not in fetch plan" +
" and not loaded, but none thrown.");
} catch (JDODetachedFieldAccessException jdoex) {
// expect exception
} finally {
pm.currentTransaction().commit();
}
}
}