Java tutorial
/* * A NDNx library test. * * Portions Copyright (C) 2013 Regents of the University of California. * * Based on the CCNx C Library by PARC. * Copyright (C) 2008-2013 Palo Alto Research Center, Inc. * * This work is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License version 2 as published by the * Free Software Foundation. * This work is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. You should have received a copy of the GNU General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ package org.ndnx.ndn.io.content; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InvalidObjectException; import org.bouncycastle.util.Arrays; import org.ndnx.ndn.NDNHandle; import org.ndnx.ndn.KeyManager; import org.ndnx.ndn.config.SystemConfiguration; import org.ndnx.ndn.impl.NDNFlowControl.SaveType; import org.ndnx.ndn.impl.security.crypto.util.DigestHelper; import org.ndnx.ndn.impl.support.Log; import org.ndnx.ndn.impl.support.ConcurrencyUtils.Waiter; import org.ndnx.ndn.io.NDNVersionedInputStream; import org.ndnx.ndn.io.content.NDNNetworkObject; import org.ndnx.ndn.io.content.NDNStringObject; import org.ndnx.ndn.io.content.Collection; import org.ndnx.ndn.io.content.Link; import org.ndnx.ndn.io.content.LinkAuthenticator; import org.ndnx.ndn.io.content.LocalCopyListener; import org.ndnx.ndn.io.content.LocalCopyWrapper; import org.ndnx.ndn.io.content.UpdateListener; import org.ndnx.ndn.io.content.Collection.CollectionObject; import org.ndnx.ndn.profiles.VersioningProfile; import org.ndnx.ndn.profiles.repo.RepositoryControl; import org.ndnx.ndn.protocol.NDNTime; import org.ndnx.ndn.protocol.ContentName; import org.ndnx.ndn.protocol.PublisherID; import org.ndnx.ndn.protocol.SignedInfo; import org.ndnx.ndn.protocol.PublisherID.PublisherType; import org.ndnx.ndn.NDNTestHelper; import org.ndnx.ndn.TestUtils; import org.ndnx.ndn.io.content.NDNNetworkObjectTest.CounterListener; import org.junit.AfterClass; import org.junit.Assert; import org.junit.BeforeClass; import org.junit.Test; /** * Test basic network object functionality, writing objects to a repository. **/ public class NDNNetworkObjectTestRepo extends NDNNetworkObjectTestBase { /** * Handle naming for the test */ static NDNTestHelper testHelper = new NDNTestHelper(NDNNetworkObjectTestRepo.class); static void setupNamespace(ContentName name) throws IOException { } static void removeNamepspace(ContentName name) throws IOException { } @AfterClass public static void tearDownAfterClass() throws Exception { Log.info(Log.FAC_TEST, "Tearing down NDNNetworkObjectTestRepo, prefix {0}", testHelper.getClassNamespace()); } @BeforeClass public static void setUpBeforeClass() throws Exception { Log.info(Log.FAC_TEST, "Setting up NDNNetworkObjectTestRepo, prefix {0}", testHelper.getClassNamespace()); NDNHandle myhandle = NDNHandle.open(); try { ns = new ContentName[NUM_LINKS]; for (int i = 0; i < NUM_LINKS; ++i) { ns[i] = new ContentName(testHelper.getClassNamespace(), "Links", prefix + Integer.toString(i)); } Arrays.fill(publisherid1, (byte) 6); Arrays.fill(publisherid2, (byte) 3); pubID1 = new PublisherID(publisherid1, PublisherType.KEY); pubID2 = new PublisherID(publisherid2, PublisherType.ISSUER_KEY); las[0] = new LinkAuthenticator(pubID1); las[1] = null; las[2] = new LinkAuthenticator(pubID2, null, null, SignedInfo.ContentType.DATA, contenthash1); las[3] = new LinkAuthenticator(pubID1, null, NDNTime.now(), null, contenthash1); for (int j = 4; j < NUM_LINKS; ++j) { las[j] = new LinkAuthenticator(pubID2, null, NDNTime.now(), null, null); } lrs = new Link[NUM_LINKS]; for (int i = 0; i < lrs.length; ++i) { lrs[i] = new Link(ns[i], las[i]); } empty = new Collection(); small1 = new Collection(); small2 = new Collection(); for (int i = 0; i < 5; ++i) { small1.add(lrs[i]); small2.add(lrs[i + 5]); } big = new Collection(); for (int i = 0; i < NUM_LINKS; ++i) { big.add(lrs[i]); } Log.info(Log.FAC_TEST, "Finihed setting up NDNNetworkObjectTestRepo, prefix {0}", testHelper.getClassNamespace()); } finally { myhandle.close(); KeyManager.closeDefaultKeyManager(); } } @Test public void testVersioning() throws Exception { Log.info(Log.FAC_TEST, "Starting testVersioning"); // Testing problem of disappearing versions, inability to get latest. Use simpler // object than a collection. NDNHandle lput = NDNHandle.open(); NDNHandle lget = NDNHandle.open(); try { ContentName testName = new ContentName(testHelper.getTestNamespace("testVersioning"), stringObjName); NDNStringObject so = new NDNStringObject(testName, "First value", SaveType.REPOSITORY, lput); setupNamespace(testName); NDNStringObject ro = null; NDNStringObject ro2 = null; NDNStringObject ro3, ro4; // make each time, to get a new handle. NDNTime soTime, srTime, sr2Time, sr3Time, sr4Time, so2Time; for (int i = 0; i < numbers.length; ++i) { soTime = saveAndLog(numbers[i], so, null, numbers[i]); TestUtils.checkObject(lput, so); ro = new NDNStringObject(testName, lget); srTime = waitForDataAndLog(numbers[i], ro); ro2 = new NDNStringObject(testName, null); sr2Time = waitForDataAndLog(numbers[i], ro2); ro3 = new NDNStringObject(ro.getVersionedName(), null); // read specific version sr3Time = waitForDataAndLog("UpdateToROVersion", ro3); // Save a new version and pull old so2Time = saveAndLog(numbers[i] + "-Update", so, null, numbers[i] + "-Update"); TestUtils.checkObject(lput, so); ro4 = new NDNStringObject(ro.getVersionedName(), null); // read specific version sr4Time = waitForDataAndLog("UpdateAnotherToROVersion", ro4); Log.info(Log.FAC_TEST, "Update " + i + ": Times: " + soTime + " " + srTime + " " + sr2Time + " " + sr3Time + " different: " + so2Time); Assert.assertEquals("SaveTime doesn't match first read", soTime, srTime); Assert.assertEquals("SaveTime doesn't match second read", soTime, sr2Time); Assert.assertEquals("SaveTime doesn't match specific version read", soTime, sr3Time); Assert.assertFalse("UpdateTime isn't newer than read time", soTime.equals(so2Time)); Assert.assertEquals("SaveTime doesn't match specific version read", soTime, sr4Time); } } finally { lput.close(); lget.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testVersioning"); } @Test public void testSaveToVersion() throws Exception { Log.info(Log.FAC_TEST, "Starting testSaveToVersion"); // Testing problem of disappearing versions, inability to get latest. Use simpler // object than a collection. NDNHandle lput = NDNHandle.open(); NDNHandle lget = NDNHandle.open(); try { ContentName testName = new ContentName(testHelper.getTestNamespace("testSaveToVersion"), stringObjName); NDNTime desiredVersion = NDNTime.now(); NDNStringObject so = new NDNStringObject(testName, "First value", SaveType.REPOSITORY, lput); setupNamespace(testName); saveAndLog("SpecifiedVersion", so, desiredVersion, "Time: " + desiredVersion); TestUtils.checkObject(lput, so); Assert.assertEquals("Didn't write correct version", desiredVersion, so.getVersion()); NDNStringObject ro = new NDNStringObject(testName, lget); ro.waitForData(); Assert.assertEquals("Didn't read correct version", desiredVersion, ro.getVersion()); ContentName versionName = ro.getVersionedName(); saveAndLog("UpdatedVersion", so, null, "ReplacementData"); TestUtils.checkObject(lput, so); updateAndLog("UpdatedData", ro, null); Assert.assertTrue( "New version " + so.getVersion() + " should be later than old version " + desiredVersion, (desiredVersion.before(so.getVersion()))); Assert.assertEquals("Didn't read correct version", so.getVersion(), ro.getVersion()); NDNStringObject ro2 = new NDNStringObject(versionName, null); ro2.waitForData(); Assert.assertEquals("Didn't read correct version", desiredVersion, ro2.getVersion()); } finally { lput.close(); lget.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testSaveToVersion"); } @Test public void testEmptySave() throws Exception { Log.info(Log.FAC_TEST, "Starting testEmptySave"); boolean caught = false; NDNHandle handle = NDNHandle.open(); try { ContentName testName = new ContentName(testHelper.getTestNamespace("testEmptySave"), collectionObjName); CollectionObject emptycoll = new CollectionObject(testName, (Collection) null, SaveType.REPOSITORY, handle); setupNamespace(testName); try { emptycoll.setData(small1); // set temporarily to non-null saveAndLog("Empty", emptycoll, null, null); TestUtils.checkObject(handle, emptycoll); } catch (InvalidObjectException iox) { // this is what we expect to happen caught = true; } Assert.assertTrue("Failed to produce expected exception.", caught); } finally { handle.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testEmptySave"); } @Test public void testStreamUpdate() throws Exception { Log.info(Log.FAC_TEST, "Starting testStreamUpdate"); NDNHandle tHandle = NDNHandle.open(); try { ContentName testName = new ContentName(testHelper.getTestNamespace("testStreamUpdate"), collectionObjName); CollectionObject testCollectionObject = new CollectionObject(testName, small1, SaveType.REPOSITORY, tHandle); setupNamespace(testName); saveAndLog("testStreamUpdate", testCollectionObject, null, small1); TestUtils.checkObject(tHandle, testCollectionObject); Log.info(Log.FAC_TEST, "testCollectionObject name: " + testCollectionObject.getVersionedName()); NDNVersionedInputStream vis = new NDNVersionedInputStream(testCollectionObject.getVersionedName()); ByteArrayOutputStream baos = new ByteArrayOutputStream(); byte[] buf = new byte[128]; // Will incur a timeout while (!vis.eof()) { int read = vis.read(buf); if (read > 0) baos.write(buf, 0, read); } Log.info(Log.FAC_TEST, "Read " + baos.toByteArray().length + " bytes, digest: " + DigestHelper.printBytes(DigestHelper.digest(baos.toByteArray()), 16)); Collection decodedData = new Collection(); decodedData.decode(baos.toByteArray()); Log.info(Log.FAC_TEST, "Decoded collection data: " + decodedData); Assert.assertEquals("Decoding via stream fails to give expected result!", decodedData, small1); NDNVersionedInputStream vis2 = new NDNVersionedInputStream(testCollectionObject.getVersionedName()); ByteArrayOutputStream baos2 = new ByteArrayOutputStream(); // Will incur a timeout while (!vis2.eof()) { int val = vis2.read(); if (val < 0) break; baos2.write((byte) val); } Log.info(Log.FAC_TEST, "Read " + baos2.toByteArray().length + " bytes, digest: " + DigestHelper.printBytes(DigestHelper.digest(baos2.toByteArray()), 16)); Assert.assertArrayEquals("Reading same object twice gets different results!", baos.toByteArray(), baos2.toByteArray()); Collection decodedData2 = new Collection(); decodedData2.decode(baos2.toByteArray()); Assert.assertEquals("Decoding via stream byte read fails to give expected result!", decodedData2, small1); NDNVersionedInputStream vis3 = new NDNVersionedInputStream(testCollectionObject.getVersionedName()); Collection decodedData3 = new Collection(); decodedData3.decode(vis3); Assert.assertEquals("Decoding via stream full read fails to give expected result!", decodedData3, small1); } finally { tHandle.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testStreamUpdate"); } @Test public void testVersionOrdering() throws Exception { Log.info(Log.FAC_TEST, "Starting testVersionOrdering"); NDNHandle tHandle = NDNHandle.open(); NDNHandle rHandle = NDNHandle.open(); try { ContentName testName = new ContentName(testHelper.getTestNamespace("testVersionOrdering"), collectionObjName, "name1"); ContentName testName2 = new ContentName(testHelper.getTestNamespace("testVersionOrdering"), collectionObjName, "name2"); CollectionObject c0 = new CollectionObject(testName, empty, SaveType.REPOSITORY, rHandle); setupNamespace(testName); NDNTime t0 = saveAndLog("Empty", c0, null, empty); TestUtils.checkObject(rHandle, c0); CollectionObject c1 = new CollectionObject(testName2, small1, SaveType.REPOSITORY, tHandle); CollectionObject c2 = new CollectionObject(testName2, small1, SaveType.REPOSITORY, null); setupNamespace(testName2); NDNTime t1 = saveAndLog("Small", c1, null, small1); TestUtils.checkObject(tHandle, c1); Assert.assertTrue("First version should come before second", t0.before(t1)); NDNTime t2 = saveAndLog("Small2ndWrite", c2, null, small1); TestUtils.checkObject(c2.getHandle(), c2); Assert.assertTrue("Third version should come after second", t1.before(t2)); Assert.assertTrue(c2.contentEquals(c1)); Assert.assertFalse(c2.equals(c1)); Assert.assertTrue(VersioningProfile.isLaterVersionOf(c2.getVersionedName(), c1.getVersionedName())); } finally { tHandle.close(); rHandle.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testVersionOrdering"); } @Test public void testUpdateInBackground() throws Exception { Log.info(Log.FAC_TEST, "Starting testUpdateInBackground"); NDNHandle thandle = NDNHandle.open(); NDNHandle thandle2 = NDNHandle.open(); NDNHandle thandle3 = NDNHandle.open(); try { ContentName testName = new ContentName(testHelper.getTestNamespace("testUpdateInBackground"), stringObjName, "name1"); // Make writer first, so it picks up readers first interests even before it writes. NDNStringObject c2 = new NDNStringObject(testName, (String) null, SaveType.REPOSITORY, thandle); NDNStringObject c0 = new NDNStringObject(testName, (String) null, SaveType.REPOSITORY, thandle2); c0.updateInBackground(); NDNStringObject c1 = new NDNStringObject(testName, (String) null, SaveType.REPOSITORY, thandle3); c1.updateInBackground(true); Assert.assertFalse(c0.available()); Assert.assertFalse(c0.isSaved()); Assert.assertFalse(c1.available()); Assert.assertFalse(c1.isSaved()); NDNTime t1 = saveAndLog("First string", c2, null, "Here is the first string."); TestUtils.checkObject(thandle, c2); Log.info(Log.FAC_TEST, "Saved c2: " + c2.getVersionedName() + " c0 available? " + c0.available() + " c1 available? " + c1.available()); c0.waitForData(); Assert.assertEquals("c0 update", c0.getVersion(), c2.getVersion()); c1.waitForData(); Assert.assertEquals("c1 update", c1.getVersion(), c2.getVersion()); NDNTime t2 = saveAndLog("Second string", c2, null, "Here is the second string."); TestUtils.checkObject(thandle, c2); doWait(c1, t2); Assert.assertEquals("c1 update 2", c1.getVersion(), c2.getVersion()); Assert.assertEquals("c0 unchanged", c0.getVersion(), t1); // Sleep for a while and see how fast the interests come. Should be only 2 interests. Log.info(Log.FAC_TEST, "Sleeping, count background interests."); long time = System.currentTimeMillis(); Thread.sleep(2000); long elapsed = System.currentTimeMillis() - time; long count = (elapsed / 4000) + 1; Log.info(Log.FAC_TEST, "Slept " + elapsed / 1000.0 + " seconds, should have been " + count + " interests."); NDNTime t3 = saveAndLog("Third string", c2, null, "Here is the third string."); TestUtils.checkObject(thandle, c2); doWait(c1, t3); Assert.assertEquals("c1 update 3", c1.getVersion(), c2.getVersion()); Assert.assertEquals("c0 unchanged", c0.getVersion(), t1); c1.cancelInterest(); } finally { thandle.close(); thandle2.close(); thandle3.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testUpdateInBackground"); } @Test public void testUpdateOtherName() throws Exception { Log.info(Log.FAC_TEST, "Starting testUpdateOtherName"); NDNHandle thandle = NDNHandle.open(); NDNHandle rhandle = NDNHandle.open(); try { ContentName testName = new ContentName(testHelper.getTestNamespace("testUpdateOtherName"), collectionObjName, "name1"); ContentName testName2 = new ContentName(testHelper.getTestNamespace("testUpdateOtherName"), collectionObjName, "name2"); CollectionObject c0 = new CollectionObject(testName, empty, SaveType.REPOSITORY, rhandle); setupNamespace(testName); NDNTime t0 = saveAndLog("Empty", c0, null, empty); TestUtils.checkObject(rhandle, c0); CollectionObject c1 = new CollectionObject(testName2, small1, SaveType.REPOSITORY, thandle); // Cheat a little, make this one before the setupNamespace... CollectionObject c2 = new CollectionObject(testName2, small1, SaveType.REPOSITORY, null); setupNamespace(testName2); NDNTime t1 = saveAndLog("Small", c1, null, small1); TestUtils.checkObject(thandle, c1); Assert.assertTrue("First version should come before second", t0.before(t1)); NDNTime t2 = saveAndLog("Small2ndWrite", c2, null, small1); TestUtils.checkObject(c2.getHandle(), c2); Assert.assertTrue("Third version should come after second", t1.before(t2)); Assert.assertTrue(c2.contentEquals(c1)); Assert.assertFalse(c2.equals(c1)); NDNTime t3 = updateAndLog(c0.getVersionedName().toString(), c0, testName2); Assert.assertTrue(VersioningProfile.isVersionOf(c0.getVersionedName(), testName2)); Assert.assertEquals(t3, t2); Assert.assertTrue(c0.contentEquals(c2)); t3 = updateAndLog(c0.getVersionedName().toString(), c0, c1.getVersionedName()); Assert.assertTrue(VersioningProfile.isVersionOf(c0.getVersionedName(), testName2)); Assert.assertEquals(t3, t1); Assert.assertTrue(c0.contentEquals(c1)); } finally { thandle.close(); rhandle.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testUpdateOtherName"); } @Test public void testSaveAsGone() throws Exception { Log.info(Log.FAC_TEST, "Starting testSaveAsGone"); NDNHandle thandle = NDNHandle.open(); NDNHandle rhandle = NDNHandle.open(); NDNHandle shandle = NDNHandle.open(); try { ContentName testName = new ContentName(testHelper.getTestNamespace("testSaveAsGone"), collectionObjName); CollectionObject c0 = new CollectionObject(testName, empty, SaveType.REPOSITORY, thandle); setupNamespace(testName); NDNTime t0 = saveAsGoneAndLog("Gone", c0); Assert.assertTrue("Should be gone", c0.isGone()); ContentName goneVersionName = c0.getVersionedName(); NDNTime t1 = saveAndLog("NotGone", c0, null, small1); TestUtils.checkObject(thandle, c0); Assert.assertFalse("Should not be gone", c0.isGone()); Assert.assertTrue(t1.after(t0)); CollectionObject c1 = new CollectionObject(testName, rhandle); NDNTime t2 = waitForDataAndLog(testName.toString(), c1); Assert.assertFalse("Read back should not be gone", c1.isGone()); Assert.assertEquals(t2, t1); NDNTime t3 = updateAndLog(goneVersionName.toString(), c1, goneVersionName); Assert.assertTrue(VersioningProfile.isVersionOf(c1.getVersionedName(), testName)); Assert.assertEquals(t3, t0); Assert.assertTrue("Read back should be gone.", c1.isGone()); t0 = saveAsGoneAndLog("GoneAgain", c0); Assert.assertTrue("Should be gone", c0.isGone()); CollectionObject c2 = new CollectionObject(testName, shandle); NDNTime t4 = waitForDataAndLog(testName.toString(), c2); Assert.assertTrue( "Read back of " + c0.getVersionedName() + " should be gone, got " + c2.getVersionedName(), c2.isGone()); Assert.assertEquals(t4, t0); } finally { thandle.close(); rhandle.close(); shandle.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testSaveAsGone"); } @Test public void testUpdateDoesNotExist() throws Exception { Log.info(Log.FAC_TEST, "Starting testUpdateDoesNotExist"); NDNHandle thandle = NDNHandle.open(); NDNHandle rhandle = NDNHandle.open(); try { ContentName testName = new ContentName(testHelper.getTestNamespace("testUpdateDoesNotExist"), collectionObjName); NDNStringObject so = new NDNStringObject(testName, rhandle); // so should catch exception thrown by underlying stream when it times out. Assert.assertFalse(so.available()); // ask for it in background so.updateInBackground(); NDNStringObject sowrite = new NDNStringObject(testName, "Now we write something.", SaveType.REPOSITORY, thandle); setupNamespace(testName); saveAndLog("Delayed write", sowrite, null, "Now we write something."); TestUtils.checkObject(thandle, sowrite); so.waitForData(); Assert.assertTrue(so.available()); Assert.assertEquals(so.string(), sowrite.string()); Assert.assertEquals(so.getVersionedName(), sowrite.getVersionedName()); } finally { thandle.close(); rhandle.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testUpdateDoesNotExist"); } @Test public void testUpdateListener() throws Exception { Log.info(Log.FAC_TEST, "Starting testUpdateListener"); SaveType saveType = SaveType.REPOSITORY; NDNHandle writeHandle = NDNHandle.open(); NDNHandle readHandle = NDNHandle.open(); try { ContentName testName = new ContentName(testHelper.getTestNamespace("testUpdateListener"), stringObjName); NDNStringObject writeObject = new NDNStringObject(testName, "Something to listen to.", saveType, writeHandle); writeObject.save(); CounterListener ourListener = new CounterListener(); NDNStringObject readObject = new NDNStringObject(testName, null, null, readHandle); readObject.addListener(ourListener); boolean result = readObject.update(); Assert.assertTrue(result); Assert.assertTrue(ourListener.getCounter() == 1); readObject.updateInBackground(); writeObject.save("New stuff! New stuff!"); synchronized (readObject) { while (ourListener.getCounter() == 1) readObject.wait(); } // For some reason, we're getting two updates on our updateInBackground... Assert.assertTrue(ourListener.getCounter() > 1); } finally { writeHandle.close(); readHandle.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testUpdateListener"); } @Test public void testLocalCopyWrapper() throws Exception { Log.info(Log.FAC_TEST, "Starting testLocalCopyWrapper"); NDNHandle thandle = NDNHandle.open(); NDNHandle rhandle = NDNHandle.open(); try { ContentName testName = new ContentName(testHelper.getTestNamespace("testLocalCopyWrapper"), collectionObjName); NDNStringObject so = new NDNStringObject(testName, rhandle); LocalCopyWrapper wo = new LocalCopyWrapper(so); Assert.assertFalse(wo.available()); class Record { boolean callback = false; } Record record = new Record(); class Listener implements UpdateListener { Record _rec; public Listener(Record r) { _rec = r; } public void newVersionAvailable(NDNNetworkObject<?> newVersion, boolean wasSave) { synchronized (_rec) { _rec.callback = true; _rec.notifyAll(); } } } ; // ask for it in background wo.updateInBackground(false, new Listener(record)); NDNStringObject sowrite = new NDNStringObject(testName, "Now we write", SaveType.RAW, thandle); setupNamespace(testName); saveAndLog("Delayed write", sowrite, null, "Now we write"); TestUtils.checkObject(thandle, sowrite); wo.waitForData(); Assert.assertTrue(wo.available()); Assert.assertEquals(((NDNStringObject) wo.object()).string(), sowrite.string()); Assert.assertEquals(wo.getVersionedName(), sowrite.getVersionedName()); new Waiter(UPDATE_TIMEOUT) { @Override protected boolean check(Object o, Object check) throws Exception { return ((Record) o).callback; } }.wait(record, record); Assert.assertEquals(true, record.callback); if (!RepositoryControl.localRepoSync(rhandle, so)) { Thread.sleep(SystemConfiguration.MEDIUM_TIMEOUT); // Should be in the repo by now Assert.assertTrue(RepositoryControl.localRepoSync(rhandle, so)); } } finally { thandle.close(); rhandle.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testLocalCopyWrapper"); } @Test public void testLocalCopyListener() throws Exception { Log.info(Log.FAC_TEST, "Starting testLocalCopyListener"); NDNHandle rhandle = NDNHandle.open(); try { // The local copy wrapper API isn't applicable in very many situations. Try this instead. ContentName testName = new ContentName(testHelper.getTestNamespace("testLocalCopyListener"), collectionObjName); LocalCopyListener copyListener = new LocalCopyListener(); // Would like to test functionality that arranges for existing version to get written // to the repo, but can't do that without a flosser or using a flow server. NDNStringObject so = new NDNStringObject(testName, rhandle); so.addListener(copyListener); Assert.assertFalse(so.available()); class Record { boolean callback = false; } Record record = new Record(); class Listener implements UpdateListener { Record _rec; public Listener(Record r) { _rec = r; } public void newVersionAvailable(NDNNetworkObject<?> newVersion, boolean wasSave) { synchronized (_rec) { _rec.callback = true; _rec.notifyAll(); } } } ; // ask for it in background so.updateInBackground(false, new Listener(record)); NDNHandle thandle = NDNHandle.open(); try { NDNStringObject sowrite = new NDNStringObject(testName, "Now we write", SaveType.RAW, thandle); setupNamespace(testName); saveAndLog("Delayed write", sowrite, null, "Now we write"); TestUtils.checkObject(thandle, sowrite); so.waitForData(); Assert.assertTrue(so.available()); Assert.assertEquals(so.string(), sowrite.string()); Assert.assertEquals(so.getVersionedName(), sowrite.getVersionedName()); new Waiter(UPDATE_TIMEOUT) { @Override protected boolean check(Object o, Object check) throws Exception { return ((Record) o).callback; } }.wait(record, record); Assert.assertEquals(true, record.callback); if (!RepositoryControl.localRepoSync(rhandle, so)) { Thread.sleep(SystemConfiguration.MEDIUM_TIMEOUT); // Should be in the repo by now Assert.assertTrue(RepositoryControl.localRepoSync(rhandle, so)); } } finally { thandle.close(); } } finally { rhandle.close(); KeyManager.closeDefaultKeyManager(); } Log.info(Log.FAC_TEST, "Completed testLocalCopyListener"); } }