@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 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");
}