Add serialization and deserialization for ObjectCollection

2 files changed, 29 insertions, 1 deletions

diff --git a/src/test/java/com/keuin/kbackupfabric/util/backup/incremental/ObjectCollectionFactoryTest.java b/src/test/java/com/keuin/kbackupfabric/util/backup/incremental/ObjectCollectionFactoryTest.java
index 60a42cf..b7e0aad 100644
--- a/src/test/java/com/keuin/kbackupfabric/util/backup/incremental/ObjectCollectionFactoryTest.java
+++ b/src/test/java/com/keuin/kbackupfabric/util/backup/incremental/ObjectCollectionFactoryTest.java
@@ -72,7 +72,6 @@ public class ObjectCollectionFactoryTest {
             // check `12`
             validate(collection.getSubCollectionMap().get("1").getSubCollectionMap().get("12"), Collections.emptyList(), Collections.emptyMap());
 
-
         } catch (IOException e) {
             e.printStackTrace();
             fail();
diff --git a/src/test/java/com/keuin/kbackupfabric/util/backup/incremental/ObjectCollectionSerializerTest.java b/src/test/java/com/keuin/kbackupfabric/util/backup/incremental/ObjectCollectionSerializerTest.java
new file mode 100644
index 0000000..0edfe01
--- /dev/null
+++ b/src/test/java/com/keuin/kbackupfabric/util/backup/incremental/ObjectCollectionSerializerTest.java
@@ -0,0 +1,29 @@
+package com.keuin.kbackupfabric.util.backup.incremental;
+
+import com.keuin.kbackupfabric.util.backup.incremental.identifier.Sha256Identifier;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+
+import static org.junit.Assert.assertEquals;
+
+public class ObjectCollectionSerializerTest {
+    @Test
+    public void testSerializationConsistency() throws IOException {
+        ObjectCollectionFactory<Sha256Identifier> factory =
+                new ObjectCollectionFactory<>(Sha256Identifier.getFactory());
+        ObjectCollection 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);
+        Files.delete(file.toPath());
+        assertEquals(collection, collection2);
+    }
+
+}
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