package org.opends.sdk;
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import org.testng.annotations.BeforeSuite;
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import org.testng.annotations.AfterSuite;
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import org.testng.annotations.AfterClass;
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import org.testng.annotations.Test;
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import org.opends.server.TestCaseUtils;
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import java.util.IdentityHashMap;
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import java.util.Set;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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/**
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* This class defines a base test case that should be subclassed by all
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* unit tests used by OpenDS.
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* <p>
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* This class adds the ability to print error messages and automatically
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* have 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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@BeforeSuite
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public final void suppressOutput() {
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TestCaseUtils.suppressOutput();
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}
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@AfterSuite
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public final void shutdownServer() {
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TestCaseUtils.unsupressOutput();
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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 are
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// not regenerated for each invocation of the DataProvider.
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//
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/** A list of all parameters that were generated by a @DataProvider
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* and passed to a test method of this class. TestListener helps us
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* keep this so that once all of the tests are finished, we can clear
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* it out in an @AfterClass method. We can't just clear it out right
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* away in the TestListener because some methods share a @DataProvider.*/
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private final IdentityHashMap<Object[],Object> successfulTestParams = new IdentityHashMap<Object[],Object>();
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/** These are test parameters from a test that has failed. We need to
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* keep these around because the test report expects to find them when
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* printing out failures. */
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private final IdentityHashMap<Object[],Object> failedTestParams = new IdentityHashMap<Object[],Object>();
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/**
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* Adds testParams to the list of all test parameters, so it can be
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* null'ed out later if it's not part.
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*/
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void addParamsFromSuccessfulTests(Object[] testParams) {
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if (testParams != null) {
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successfulTestParams.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 failed test parameters, so that we
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* know to NOT null it out later.
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*/
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void addParamsFromFailedTest(Object[] testParams) {
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if (testParams != null) {
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failedTestParams.put(testParams, testParams);
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}
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}
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/**
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* null out all test parameters except the ones used in failed tests
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* since we 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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Set<Object[]> paramsSet = successfulTestParams.keySet();
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if (paramsSet == null) { // Can this ever happen?
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return;
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}
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for (Object[] params: paramsSet) {
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if (failedTestParams.containsKey(params)) {
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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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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
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* all 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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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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Field fields[] = cls.getDeclaredFields();
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for (int i = 0; i < fields.length; i++) {
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Field field = fields[i];
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int modifiers = field.getModifiers();
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Class fieldClass = field.getType();
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// If it's a non-static non-final non-primitive type, then null it out
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// so that the garbage collector can reclaim it and everything it
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// references.
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if (!fieldClass.isPrimitive() &&
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!fieldClass.isEnum() &&
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!Modifier.isFinal(modifiers) &&
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!Modifier.isStatic(modifiers))
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{
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field.setAccessible(true);
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try {
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field.set(this, null);
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} catch (IllegalAccessException e) {
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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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