3 files changed, 58 insertions, 9 deletions
diff --git a/src/test/java/com/keuin/kbackupfabric/backup/incremental/ObjectCollectionFactoryTest.java b/src/test/java/com/keuin/kbackupfabric/backup/incremental/ObjectCollectionFactoryTest.java
index 5052a82..e686e30 100644
--- a/src/test/java/com/keuin/kbackupfabric/backup/incremental/ObjectCollectionFactoryTest.java
+++ b/src/test/java/com/keuin/kbackupfabric/backup/incremental/ObjectCollectionFactoryTest.java
@@ -11,10 +11,10 @@ import static org.junit.Assert.*;
 
 public class ObjectCollectionFactoryTest {
 
-    private void validate(ObjectCollection collection, List<String> subCollections, Map<String, String> subElements) {
+    private void validate(ObjectCollection2 collection, List<String> subCollections, Map<String, String> subElements) {
         assertEquals(subCollections.size(), collection.getSubCollectionMap().size());
         assertEquals(subElements.size(), collection.getElementSet().size());
-        for (Map.Entry<String, ObjectCollection> c : collection.getSubCollectionMap().entrySet()) {
+        for (Map.Entry<String, ObjectCollection2> c : collection.getSubCollectionMap().entrySet()) {
             assertEquals(c.getKey(), c.getValue().getName());
             assertTrue(subCollections.contains(c.getKey()));
         }
@@ -68,7 +68,7 @@ public class ObjectCollectionFactoryTest {
         try {
             ObjectCollectionFactory<Sha256Identifier> factory =
                     new ObjectCollectionFactory<>(Sha256Identifier.getFactory(), threads, multiThreadThreshold);
-            ObjectCollection collection =
+            ObjectCollection2 collection =
                     factory.fromDirectory(new File("./testfile/ObjectCollectionFactoryTest"));
 
             assertEquals("ObjectCollectionFactoryTest", collection.getName());
diff --git a/src/test/java/com/keuin/kbackupfabric/backup/incremental/ObjectCollectionSerializerTest.java b/src/test/java/com/keuin/kbackupfabric/backup/incremental/serializer/IncBackupInfoSerializerTest.java
index d21e5b3..e7f56b0 100644
--- a/src/test/java/com/keuin/kbackupfabric/backup/incremental/ObjectCollectionSerializerTest.java
+++ b/src/test/java/com/keuin/kbackupfabric/backup/incremental/serializer/IncBackupInfoSerializerTest.java
@@ -1,15 +1,18 @@
-package com.keuin.kbackupfabric.backup.incremental;
+package com.keuin.kbackupfabric.backup.incremental.serializer;
 
+import com.keuin.kbackupfabric.backup.incremental.ObjectCollection2;
+import com.keuin.kbackupfabric.backup.incremental.ObjectCollectionFactory;
 import com.keuin.kbackupfabric.backup.incremental.identifier.Sha256Identifier;
 import org.junit.Test;
 
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
+import java.time.ZonedDateTime;
 
 import static org.junit.Assert.assertEquals;
 
-public class ObjectCollectionSerializerTest {
+public class IncBackupInfoSerializerTest {
 
     @Test
     public void testSerializationConsistency1() throws IOException {
@@ -54,16 +57,17 @@ public class ObjectCollectionSerializerTest {
     public void testSerializationConsistency(int threads, int multiThreadThreshold) throws IOException {
         ObjectCollectionFactory<Sha256Identifier> factory =
                 new ObjectCollectionFactory<>(Sha256Identifier.getFactory(), threads, multiThreadThreshold);
-        ObjectCollection collection =
+        ObjectCollection2 collection =
                 factory.fromDirectory(new File("./testfile/ObjectCollectionFactoryTest"));
         File file = new File("./testfile/serialized");
         if (file.exists()) {
             Files.delete(file.toPath());
         }
-        ObjectCollectionSerializer.toFile(collection, file);
-        ObjectCollection collection2 = ObjectCollectionSerializer.fromFile(file);
+        SavedIncrementalBackup backup = SavedIncrementalBackup.newLatest(collection, ":name:", ZonedDateTime.now(), 10000, 2000, 10, 20);
+        IncBackupInfoSerializer.toFile(file, backup);
+        SavedIncrementalBackup info = IncBackupInfoSerializer.fromFile(file);
         Files.delete(file.toPath());
-        assertEquals(collection, collection2);
+        assertEquals(backup, info);
     }
 
 }
 \ No newline at end of file
diff --git a/src/test/java/com/keuin/kbackupfabric/backup/incremental/serializer/IncBakupBackwardCompatibilityTest.java b/src/test/java/com/keuin/kbackupfabric/backup/incremental/serializer/IncBakupBackwardCompatibilityTest.java
new file mode 100644
index 0000000..d50b264
--- /dev/null
+++ b/src/test/java/com/keuin/kbackupfabric/backup/incremental/serializer/IncBakupBackwardCompatibilityTest.java
@@ -0,0 +1,45 @@
+package com.keuin.kbackupfabric.backup.incremental.serializer;
+
+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.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 final Path testRoot = Paths.get(".\\testfile\\IncBackupBackwardCompatibilityTest");
+    private final File indexFile = new File(testRoot.toString(), new IncrementalBackupFileNameEncoder().encode(customName, backupTime));
+
+    @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);
+    }
+}