/*
* Syncany, www.syncany.org
* Copyright (C) 2011-2014 Philipp C. Heckel <philipp.heckel@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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, see <http://www.gnu.org/licenses/>.
*/
package org.syncany.tests.plugins.unreliable_local;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.FilenameFilter;
import java.util.Arrays;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.junit.BeforeClass;
import org.junit.Test;
import org.simpleframework.xml.core.Persister;
import org.syncany.plugins.transfer.RetriableTransferManager;
import org.syncany.plugins.transfer.StorageException;
import org.syncany.plugins.transfer.TransactionAwareTransferManager;
import org.syncany.plugins.transfer.TransferManager;
import org.syncany.plugins.transfer.files.MultichunkRemoteFile;
import org.syncany.plugins.transfer.to.TransactionTO;
import org.syncany.plugins.unreliable_local.UnreliableLocalTransferPlugin;
import org.syncany.plugins.unreliable_local.UnreliableLocalTransferSettings;
import org.syncany.tests.util.TestClient;
import org.syncany.tests.util.TestConfigUtil;
public class UploadInterruptedTest {
private static final Logger logger = Logger.getLogger(UploadInterruptedTest.class.getSimpleName());
@BeforeClass
public static void setUp() {
RetriableTransferManager.RETRY_SLEEP_MILLIS = 50;
}
@Test
public void testUnreliableUpload_Test1_WithRetryFailsManyTimes() throws Exception {
// Setup
UnreliableLocalTransferSettings testConnection = TestConfigUtil.createTestUnreliableLocalConnection(
Arrays.asList(new String[] {
// List of failing operations (regex)
// Format: abs=<count> rel=<count> op=<connect|init|upload|...> <operation description>
// 1st upload (= multichunk) fails
"rel=[345] .+upload.+multichunk", // << 3 retries!!
// Make fourth upload fail
"rel=(8|9|10) .+upload" // << 3 retries!!
}
));
TestClient clientA = new TestClient("A", testConnection);
int i = 0;
while (i++ < 5) {
clientA.createNewFile("A-original-" + i, 50 * 1024);
try {
Thread.sleep(100);
clientA.up();
clientA.down();
}
catch (StorageException e) {
logger.log(Level.INFO, e.getMessage());
}
}
assertTrue(new File(testConnection.getPath() + "/databases/database-A-0000000001").exists());
assertTrue(new File(testConnection.getPath() + "/databases/database-A-0000000002").exists());
assertTrue(new File(testConnection.getPath() + "/databases/database-A-0000000003").exists());
assertFalse(new File(testConnection.getPath() + "/databases/database-A-0000000004").exists());
assertFalse(new File(testConnection.getPath() + "/databases/database-A-0000000005").exists());
// Tear down
clientA.deleteTestData();
}
@Test
public void testUnreliableUpload_Test2_FailsAtMultichunk() throws Exception {
/*
* This test fails when trying to upload the first multichunk.
*/
// Setup
UnreliableLocalTransferSettings testConnection = TestConfigUtil.createTestUnreliableLocalConnection(
Arrays.asList(new String[] {
// List of failing operations (regex)
// Format: abs=<count> rel=<count> op=<connect|init|upload|...> <operation description>
".+upload.+multichunk",
}
));
TestClient clientA = new TestClient("A", testConnection);
clientA.createNewFile("A-original", 10);
boolean upFailed = false;
try {
clientA.up();
}
catch (StorageException e) {
upFailed = true;
logger.log(Level.INFO, e.getMessage());
}
assertTrue(upFailed);
assertEquals(0, new File(testConnection.getPath() + "/databases/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/multichunks/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/actions/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/transactions/").listFiles().length);
File transactionFile = new File(testConnection.getPath() + "/transactions/").listFiles()[0];
TransactionTO transactionTO = new Persister().read(TransactionTO.class, transactionFile);
assertEquals(2, transactionTO.getActions().size());
assertTrue(transactionTO.getActions().get(0).getRemoteFile().getName().contains("multichunk-"));
assertTrue(transactionTO.getActions().get(1).getRemoteFile().getName().contains("database-"));
// Tear down
clientA.deleteTestData();
}
@Test
public void testUnreliableUpload_Test3_FailsAtDatabaseFile() throws Exception {
/*
* This test fails when trying to upload the first database file, but succeeds on retry
*
* 1. upload(action-up-987, actions/action-up-987)
* 2. upload(transaction-123, transactions/transaction-123)
* 3. upload(multichunk-1, temp-1)
* 5. upload(database-123, temp-2) <<< FAILS HERE
* 6. move(temp-1, multichunks/multichunk-1)
* 8. move(temp-2, databases/database-123)
*/
// Setup
UnreliableLocalTransferSettings testConnection = TestConfigUtil.createTestUnreliableLocalConnection(
Arrays.asList(new String[] {
// List of failing operations (regex)
// Format: abs=<count> rel=<count> op=<connect|init|upload|...> <operation description>
"rel=[456].+upload.+database",
}
));
TestClient clientA = new TestClient("A", testConnection);
// 1. First upload fails
clientA.createNewFile("A-original", 10);
boolean upFailed = false;
try {
clientA.up();
}
catch (StorageException e) {
upFailed = true;
logger.log(Level.INFO, e.getMessage());
}
assertTrue(upFailed);
assertEquals(0, new File(testConnection.getPath() + "/databases/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/multichunks/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/actions/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/transactions/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/temporary/").listFiles().length);
File transactionFile = new File(testConnection.getPath() + "/transactions/").listFiles()[0];
TransactionTO transactionTO = new Persister().read(TransactionTO.class, transactionFile);
assertEquals(2, transactionTO.getActions().size());
assertTrue(transactionTO.getActions().get(0).getRemoteFile().getName().contains("multichunk-"));
assertTrue(transactionTO.getActions().get(1).getRemoteFile().getName().contains("database-"));
// 2. Second try succeeds and must clean up the transactions
clientA.up();
assertEquals(1, new File(testConnection.getPath() + "/databases/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/multichunks/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/actions/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/transactions/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/temporary/").listFiles().length);
// Tear down
clientA.deleteTestData();
}
@Test
public void testUnreliableUpload_Test4_1_FailsAtSecondMultiChunkUpload() throws Exception {
/*
* This test fails when trying to upload the second multichunk, but succeeds on retry
*
* 1. upload(action-up-987, actions/action-up-987)
* 2. upload(transaction-123, transactions/transaction-123)
* 3. upload(multichunk-1, temp-1)
* 4. upload(multichunk-2, temp-2) <<< FAILS HERE
* 5. upload(database-123, temp-3) 6. move(temp-1, multichunks/multichunk-1)
* 7. move(temp-2, multichunks/multichunk-2)
* 8. move(temp-3, databases/database-123)
*/
// Setup
UnreliableLocalTransferSettings testConnection = TestConfigUtil.createTestUnreliableLocalConnection(
Arrays.asList(new String[] {
// List of failing operations (regex)
// Format: abs=<count> rel=<count> op=<connect|init|upload|...> <operation description>
"rel=[456].+upload.+multichunk",
}
));
TestClient clientA = new TestClient("A", testConnection);
clientA.createNewFile("A-original", 5 * 1024 * 1024); // << larger than one multichunk!
boolean upFailed = false;
try {
clientA.up();
}
catch (StorageException e) {
upFailed = true;
logger.log(Level.INFO, e.getMessage());
}
assertTrue(upFailed);
assertEquals(0, new File(testConnection.getPath() + "/databases/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/multichunks/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/actions/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/transactions/").listFiles().length);
File[] tempFiles = new File(testConnection.getPath() + "/temporary/").listFiles();
assertEquals(1, tempFiles.length);
assertTrue(tempFiles[0].length() > 500 * 1024); // 1 MC with 1 MB, 1 with 4 MB; must be larger than 500 KB
File transactionFile = new File(testConnection.getPath() + "/transactions/").listFiles()[0];
TransactionTO transactionTO = new Persister().read(TransactionTO.class, transactionFile);
assertEquals(3, transactionTO.getActions().size());
assertTrue(transactionTO.getActions().get(0).getRemoteFile().getName().contains("multichunk-"));
assertTrue(transactionTO.getActions().get(1).getRemoteFile().getName().contains("multichunk-"));
assertTrue(transactionTO.getActions().get(2).getRemoteFile().getName().contains("database-"));
// 2. Second try succeeds and must clean up the transactions
clientA.up();
assertEquals(1, new File(testConnection.getPath() + "/databases/").listFiles().length);
assertEquals(2, new File(testConnection.getPath() + "/multichunks/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/actions/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/transactions/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/temporary/").listFiles().length);
// Tear down
clientA.deleteTestData();
}
@Test
public void testUnreliableUpload_Test4_2_FailsAtTXCommitDuring2ndMultiChunkMove() throws Exception {
/*
* First run "Client A": This test fails when trying to execute the TX.commit() when moving the second multichunk. So the first multichunk was
* moved successfully.
*
* Double check by "Client B": Client B should not see this multichunk on TM.list()
*
* Second run "Client A": The second up() from Client A should revert the transaction. To verify this, we let the second run fail at the
* transaction file upload
*
* 1. upload(action-up-987, actions/action-up-987)
* 2. upload(transaction-123, transactions/transaction-123) <<< FAILS HERE (second run)
* 3. upload(multichunk-1, temp-1)
* 4. upload(multichunk-2, temp-2)
* 5. upload(database-123, temp-3)
* 6. move(temp-1, multichunks/multichunk-1)
* 7. move(temp-2, multichunks/multichunk-2) <<< FAILS HERE (first run)
* 8. move(temp-3, databases/database-123)
*/
// Setup
UnreliableLocalTransferSettings testConnection = TestConfigUtil.createTestUnreliableLocalConnection(
Arrays.asList(new String[] {
// List of failing operations (regex)
// Format: abs=<count> rel=<count> op=<connect|init|upload|...> <operation description>
"rel=[234].+move.+multichunk",
"rel=(8|9|10).+upload.+transaction",
}
));
TestClient clientA = new TestClient("A", testConnection);
clientA.createNewFile("A-original", 5 * 1024 * 1024); // << larger than one multichunk!
boolean firstUpFailed = false;
try {
clientA.up();
}
catch (StorageException e) {
firstUpFailed = true;
logger.log(Level.INFO, e.getMessage());
}
assertTrue(firstUpFailed);
assertEquals(0, new File(testConnection.getPath() + "/databases/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/multichunks/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/actions/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/transactions/").listFiles().length);
File[] tempFiles = new File(testConnection.getPath() + "/temporary/").listFiles();
assertEquals(2, tempFiles.length);
assertTrue(tempFiles[0].length() > 500 * 1024 || tempFiles[1].length() > 500 * 1024); // The second multichunk should be >500 KB
assertTrue(tempFiles[0].length() < 100 * 1024 || tempFiles[1].length() < 100 * 1024); // The database file should be <100 KB
File transactionFile = new File(testConnection.getPath() + "/transactions/").listFiles()[0];
TransactionTO transactionTO = new Persister().read(TransactionTO.class, transactionFile);
assertEquals(3, transactionTO.getActions().size());
assertTrue(transactionTO.getActions().get(0).getRemoteFile().getName().contains("multichunk-"));
assertTrue(transactionTO.getActions().get(1).getRemoteFile().getName().contains("multichunk-"));
assertTrue(transactionTO.getActions().get(2).getRemoteFile().getName().contains("database-"));
// 2. Double check if list() does not return the multichunk
TransferManager transferManager = new TransactionAwareTransferManager(
new UnreliableLocalTransferPlugin().createTransferManager(testConnection, null), null);
Map<String, MultichunkRemoteFile> multiChunkList = transferManager.list(MultichunkRemoteFile.class);
assertEquals(0, multiChunkList.size());
// 3. Second try fails in the beginning, to see if cleanTransactions was successful
boolean secondUpFailed = false;
try {
clientA.up();
}
catch (StorageException e) {
secondUpFailed = true;
logger.log(Level.INFO, e.getMessage());
}
assertTrue(secondUpFailed);
assertEquals(0, new File(testConnection.getPath() + "/databases/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/multichunks/").listFiles().length);
assertEquals(2, new File(testConnection.getPath() + "/actions/").listFiles().length); // Shouldn't this be 1
assertEquals(0, new File(testConnection.getPath() + "/transactions/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/").listFiles(new FilenameFilter() {
public boolean accept(File dir, String name) {
return name.contains("temp-");
}
}).length);
// Tear down
clientA.deleteTestData();
}
@Test
public void testUnreliableUpload_Test4_3_FailsAtTXCommitDuring2ndMultiChunkMoveAndDuringTXRollback() throws Exception {
/*
* 1. upload(action-up-987, actions/action-up-987)
* 2. upload(transaction-123, transactions/transaction-123)
* 3. upload(multichunk-1, temp-1)
* 4. upload(multichunk-2, temp-2)
* 5. upload(database-123, temp-3)
* 6. move(temp-1, multichunks/multichunk-1)
* 7. move(temp-2, multichunks/multichunk-2) <<< FAILS HERE (first run)
* 8. move(temp-3, databases/database-123)
*
* 1. upload(action-up-987, actions/action-up-987)
* 2. list(databases/*)
* 3. list(transactions/*)
* 4. upload(transaction-345, transactions/transaction-345) (rollback TX)
* 5. move(multichunks/multichunk-1, temp-80)
* 6. move(temp-1, temp-81) (silently fails, b/c temp-1 does not exist)
* 7. move(multichunks/multichunk-2, temp-82) (silently fails, b/c multichunk-2 does not exist)
* 8. move(temp-2, temp-83)
* 9. move(databases/database-123, temp-84) (silently fails, b/c database-123 does not exist)
* 10. move(temp-3, temp-85)
* 10 move(transactions-345, temp-86)
* 11. delete(temp-80)
* 12. delete(temp-83) <<< FAILS HERE (second run)
*
* Expected: temp-(83,85,86)
*/
// Setup
UnreliableLocalTransferSettings testConnection = TestConfigUtil.createTestUnreliableLocalConnection(
Arrays.asList(new String[] {
// List of failing operations (regex)
// Format: abs=<count> rel=<count> op=<connect|init|upload|...> <operation description>
"rel=[234].+move.+multichunk",
"rel=[234].+delete.+temp",
}
));
TestClient clientA = new TestClient("A", testConnection);
clientA.createNewFile("A-original", 5 * 1024 * 1024); // << larger than one multichunk!
boolean firstUpFailed = false;
try {
clientA.up();
}
catch (StorageException e) {
firstUpFailed = true;
logger.log(Level.INFO, e.getMessage());
}
assertTrue(firstUpFailed);
assertEquals(0, new File(testConnection.getPath() + "/databases/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/multichunks/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/actions/").listFiles().length);
assertEquals(1, new File(testConnection.getPath() + "/transactions/").listFiles().length);
File[] tempFiles = new File(testConnection.getPath() + "/temporary").listFiles();
assertEquals(2, tempFiles.length);
assertTrue(tempFiles[0].length() > 500 * 1024 || tempFiles[1].length() > 500 * 1024); // The second multichunk should be >500 KB
assertTrue(tempFiles[0].length() < 100 * 1024 || tempFiles[1].length() < 100 * 1024); // The database file should be <100 KB
File transactionFile = new File(testConnection.getPath() + "/transactions/").listFiles()[0];
TransactionTO transactionTO = new Persister().read(TransactionTO.class, transactionFile);
assertEquals(3, transactionTO.getActions().size());
assertTrue(transactionTO.getActions().get(0).getRemoteFile().getName().contains("multichunk-"));
assertTrue(transactionTO.getActions().get(1).getRemoteFile().getName().contains("multichunk-"));
assertTrue(transactionTO.getActions().get(2).getRemoteFile().getName().contains("database-"));
// 2. Double check if list() does not return the multichunk
TransferManager transferManager = new TransactionAwareTransferManager(
new UnreliableLocalTransferPlugin().createTransferManager(testConnection, null), null);
Map<String, MultichunkRemoteFile> multiChunkList = transferManager.list(MultichunkRemoteFile.class);
assertEquals(0, multiChunkList.size());
// 3. Second try fails in the beginning, to see if cleanTransactions was successful
boolean secondUpFailed = false;
try {
clientA.up();
}
catch (StorageException e) {
secondUpFailed = true;
logger.log(Level.INFO, e.getMessage());
}
assertTrue(secondUpFailed);
assertEquals(0, new File(testConnection.getPath() + "/databases/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/multichunks/").listFiles().length);
assertEquals(2, new File(testConnection.getPath() + "/actions/").listFiles().length); // left over, 2 failed ops
assertEquals(0, new File(testConnection.getPath() + "/transactions/").listFiles().length);
assertEquals(4, new File(testConnection.getPath() + "/temporary/").listFiles().length);
// 4. Third try; this should finally succeed
clientA.up();
assertEquals(1, new File(testConnection.getPath() + "/databases/").listFiles().length);
assertEquals(2, new File(testConnection.getPath() + "/multichunks/").listFiles().length);
assertEquals(0, new File(testConnection.getPath() + "/actions/").listFiles().length); // cleaned
assertEquals(0, new File(testConnection.getPath() + "/transactions/").listFiles().length);
assertEquals(4, new File(testConnection.getPath() + "/temporary/").listFiles().length); // cleaned
// Tear down
clientA.deleteTestData();
}
}