/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2009 Sun Microsystems, Inc.
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*/
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package org.opends.sdk;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.util.IdentityHashMap;
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import java.util.Set;
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import org.testng.annotations.AfterClass;
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import org.testng.annotations.Test;
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/**
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* This class defines a base test case that should be subclassed by all unit
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* tests used by OpenDS.
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* <p>
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* This class adds the ability to print error messages and automatically have
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* them include the class name.
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*/
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@Test(sequential = true)
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public abstract class OpenDSTestCase
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{
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//
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// This is all a HACK to reduce the amount of memory that's consumed.
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//
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// This could be a problem if a subclass references a @DataProvider in
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// a super-class that provides static parameters, i.e. the parameters
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// are
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// not regenerated for each invocation of the DataProvider.
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//
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/**
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* A list of all parameters that were generated by a @DataProvider and passed
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* to a test method of this class. TestListener helps us keep this so that
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* once all of the tests are finished, we can clear it out in an @AfterClass
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* method. We can't just clear it out right away in the TestListener because
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* some methods share a @DataProvider.
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*/
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private final IdentityHashMap<Object[], Object> successfulTestParams = new IdentityHashMap<Object[], Object>();
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/**
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* These are test parameters from a test that has failed. We need to keep
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* these around because the test report expects to find them when printing out
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* failures.
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*/
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private final IdentityHashMap<Object[], Object> failedTestParams = new IdentityHashMap<Object[], Object>();
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/**
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* null out all test parameters except the ones used in failed tests since we
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* might need these again.
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*/
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@AfterClass(alwaysRun = true)
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public void clearSuccessfulTestParams()
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{
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final Set<Object[]> paramsSet = successfulTestParams.keySet();
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if (paramsSet == null)
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{ // Can this ever happen?
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return;
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}
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for (final Object[] params : paramsSet)
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{
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if (failedTestParams.containsKey(params))
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{
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continue;
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}
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for (int i = 0; i < params.length; i++)
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{
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params[i] = null;
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}
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}
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successfulTestParams.clear();
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failedTestParams.clear();
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}
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/**
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* The member variables of a test class can prevent lots of memory from being
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* reclaimed, so we use reflection to null out all of the member variables
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* after the tests have run. Since all tests must inherit from
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* DirectoryServerTestCase, TestNG guarantees that this method runs after all
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* of the subclass methods, so this isn't too dangerous.
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*/
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@AfterClass(alwaysRun = true)
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public void nullMemberVariablesAfterTest()
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{
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Class<?> cls = this.getClass();
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// Iterate through all of the fields in all subclasses of
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// DirectoryServerTestCase, but not DirectoryServerTestCase itself.
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while (OpenDSTestCase.class.isAssignableFrom(cls)
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&& !OpenDSTestCase.class.equals(cls))
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{
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final Field fields[] = cls.getDeclaredFields();
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for (final Field field : fields)
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{
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final int modifiers = field.getModifiers();
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final Class<?> fieldClass = field.getType();
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// If it's a non-static non-final non-primitive type, then null
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// it out
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// so that the garbage collector can reclaim it and everything
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// it
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// references.
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if (!fieldClass.isPrimitive() && !fieldClass.isEnum()
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&& !Modifier.isFinal(modifiers) && !Modifier.isStatic(modifiers))
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{
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field.setAccessible(true);
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try
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{
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field.set(this, null);
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}
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catch (final IllegalAccessException e)
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{
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// We're only doing this to save memory, so it's no big deal
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// if we can't set it.
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}
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}
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}
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cls = cls.getSuperclass();
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}
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}
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/**
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* Adds testParams to the list of all failed test parameters, so that we know
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* to NOT null it out later.
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*/
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void addParamsFromFailedTest(final Object[] testParams)
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{
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if (testParams != null)
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{
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failedTestParams.put(testParams, testParams);
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}
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}
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/**
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* Adds testParams to the list of all test parameters, so it can be null'ed
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* out later if it's not part.
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*/
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void addParamsFromSuccessfulTests(final Object[] testParams)
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{
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if (testParams != null)
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{
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successfulTestParams.put(testParams, testParams);
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}
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}
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}
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