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package com.keuin.kbackupfabric.backup.incremental.serializer;
import com.keuin.kbackupfabric.TestUtils;
import com.keuin.kbackupfabric.backup.incremental.ObjectCollection2;
import com.keuin.kbackupfabric.backup.incremental.ObjectCollectionFactory;
import com.keuin.kbackupfabric.backup.incremental.ObjectCollectionSerializer;
import com.keuin.kbackupfabric.backup.incremental.identifier.Sha256Identifier;
import com.keuin.kbackupfabric.backup.name.IncrementalBackupFileNameEncoder;
import org.apache.commons.io.FileUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import static org.junit.Assert.*;
public class IncBakupBackwardCompatibilityTest {
private final String customName = "test_backup";
private final LocalDateTime backupTime = LocalDateTime.of(2000, 1, 1, 1, 1, 1, 1);
private Path testRoot;
private File indexFile;
@Before
public void setUp() throws IOException {
testRoot = Paths.get(TestUtils.getTempDirectory("IncBackupBackwardCompatibilityTest"));
indexFile = new File(testRoot.toString(), IncrementalBackupFileNameEncoder.INSTANCE.encode(customName, backupTime));
}
@After
public void tearDown() throws IOException {
FileUtils.deleteDirectory(new File(testRoot.toString()));
}
@Test
public void testBackwardCompatibility() throws IOException {
if (!testRoot.toFile().isDirectory()) {
if (!testRoot.toFile().mkdirs())
fail("Cannot initialize test environment: cannot create path.");
}
// now we make an old-style backup index file
ObjectCollectionFactory<Sha256Identifier> factory =
new ObjectCollectionFactory<>(Sha256Identifier.getFactory(), 1, 0);
ObjectCollection2 collection = factory.fromDirectory(testRoot.toFile());
ObjectCollectionSerializer.toFile(collection, indexFile);
SavedIncrementalBackup info = IncBackupInfoSerializer.fromFile(indexFile);
assertEquals(collection, info.getObjectCollection());
assertEquals(customName, info.getBackupName());
assertTrue(backupTime.toEpochSecond(ZoneOffset.UTC) - info.getBackupTime().toLocalDateTime().toEpochSecond(ZoneOffset.UTC) <= 2);
}
}
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