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Add ObjectSerialization class for advanced object serialization and deserialization with options for compression, Base64 encoding, and digest verification; include unit tests for various serialization scenarios

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extio-de
2025-12-22 13:13:48 +01:00
parent d06d8c9f0f
commit a6f5a0f95c
3 changed files with 297 additions and 1 deletions
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src/test/java/de/extio/game_engine/util/ObjectSerializationTest.java Normal file
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package de.extio.game_engine.util;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
import java.util.List;
import java.util.Map;
public class ObjectSerializationTest {
@Test
public void testSerializeDeserializeBasic() {
var serialization = new ObjectSerialization();
var original = new TestObject("Hello", 42, 3.14, List.of("tag1", "tag2"), List.of(new TestObject2("key", true), new TestObject2("key2", false)), Map.of("attr", 1, "attr2", 2));
var serialized = serialization.serialize(original, false, false, false, null, digest -> {
});
System.out.println("Serialized length: " + serialized.length);
System.out.println("" + new String(serialized));
assertNotNull(serialized);
assertTrue(serialized.length > 0);
var deserialized = serialization.deserialize(TestObject.class, serialized, false, false, false, null, null, result -> {
});
assertNotNull(deserialized);
assertEquals(original.name, deserialized.name);
assertEquals(original.id, deserialized.id);
assertEquals(original.value, deserialized.value);
}
@Test
public void testSerializeDeserializeWithCompression() {
var serialization = new ObjectSerialization();
var original = new TestObject("Compressed", 100, 2.71, List.of("a", "b", "c"), List.of(), Map.of());
var serialized = serialization.serialize(original, true, false, false, null, digest -> {
});
assertNotNull(serialized);
assertTrue(serialized.length > 0);
var deserialized = serialization.deserialize(TestObject.class, serialized, false, true, false, null, null, result -> {
});
assertNotNull(deserialized);
assertEquals(original.name, deserialized.name);
assertEquals(original.id, deserialized.id);
assertEquals(original.value, deserialized.value);
}
@Test
public void testSerializeDeserializeWithBase64() {
var serialization = new ObjectSerialization();
var original = new TestObject("Base64", 200, 1.41, List.of(), List.of(), Map.of());
var serialized = serialization.serialize(original, false, true, false, null, digest -> {
});
assertNotNull(serialized);
assertTrue(serialized.length > 0);
assertTrue(new String(serialized).matches("[A-Za-z0-9+/=]+"));
var deserialized = serialization.deserialize(TestObject.class, serialized, false, false, true, null, null, result -> {
});
assertNotNull(deserialized);
assertEquals(original.name, deserialized.name);
assertEquals(original.id, deserialized.id);
assertEquals(original.value, deserialized.value);
}
@Test
public void testSerializeDeserializeWithDigest() {
var serialization = new ObjectSerialization();
var original = new TestObject("Digested", 300, 0.5, List.of("x"), List.of(), Map.of());
var digestSalt = "salt".getBytes();
var capturedDigest = new byte[32][];
var serialized = serialization.serialize(original, false, false, true, digestSalt, digest -> capturedDigest[0] = digest);
assertNotNull(serialized);
assertNotNull(capturedDigest[0]);
assertTrue(capturedDigest[0].length == 32);
var digestCheckPassed = new boolean[1];
var deserialized = serialization.deserialize(TestObject.class, serialized, false, false, false, capturedDigest[0], digestSalt, result -> digestCheckPassed[0] = result);
assertNotNull(deserialized);
assertTrue(digestCheckPassed[0]);
assertEquals(original.name, deserialized.name);
assertEquals(original.id, deserialized.id);
assertEquals(original.value, deserialized.value);
}
@Test
public void testSerializeDeserializeWithCompressionAndBase64() {
var serialization = new ObjectSerialization();
var original = new TestObject("CompressedBase64", 400, 1.23, List.of("p", "q"), List.of(new TestObject2("nested", true)), Map.of("key", 99));
var serialized = serialization.serialize(original, true, true, false, null, digest -> {
});
assertNotNull(serialized);
assertTrue(serialized.length > 0);
assertTrue(new String(serialized).matches("[A-Za-z0-9+/=]+"));
var deserialized = serialization.deserialize(TestObject.class, serialized, false, true, true, null, null, result -> {
});
assertNotNull(deserialized);
assertEquals(original.name, deserialized.name);
assertEquals(original.id, deserialized.id);
assertEquals(original.value, deserialized.value);
}
@Test
public void testSerializeDeserializeWithAllOptions() {
var serialization = new ObjectSerialization();
var original = new TestObject("AllOptions", 500, 9.99, List.of("all"), List.of(new TestObject2("a", false), new TestObject2("b", true)), Map.of("x", 1, "y", 2));
var digestSalt = "salt123".getBytes();
var capturedDigest = new byte[32][];
var serialized = serialization.serialize(original, true, true, true, digestSalt, digest -> capturedDigest[0] = digest);
assertNotNull(serialized);
assertNotNull(capturedDigest[0]);
assertTrue(new String(serialized).matches("[A-Za-z0-9+/=]+"));
var digestCheckPassed = new boolean[1];
var deserialized = serialization.deserialize(TestObject.class, serialized, false, true, true, capturedDigest[0], digestSalt, result -> digestCheckPassed[0] = result);
assertNotNull(deserialized);
assertTrue(digestCheckPassed[0]);
assertEquals(original.name, deserialized.name);
assertEquals(original.id, deserialized.id);
assertEquals(original.value, deserialized.value);
}
public record TestObject(String name, int id, double value, List<String> tags, List<TestObject2> children, Map<String, Integer> attributes) {
}
public record TestObject2(String key, boolean flag) {
}
}