migrating kryo's dependency from twitter chill to plain kryo library

hoodie-common/src/test/java/com/uber/hoodie/common/util/TestSerializationUtils.java

@@ -0,0 +1,79 @@
+/*
+ *  Copyright (c) 2019 Uber Technologies, Inc. (hoodie-dev-group@uber.com)
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *           http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package com.uber.hoodie.common.util;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.Objects;
+import org.apache.avro.util.Utf8;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestSerializationUtils {
+
+  @Test
+  public void testSerDeser() throws IOException {
+    // It should handle null object references.
+    verifyObject(null);
+    // Object with nulls.
+    verifyObject(new NonSerializableClass(null));
+    // Object with valid values & no default constructor.
+    verifyObject(new NonSerializableClass("testValue"));
+    // Object with multiple constructor
+    verifyObject(new NonSerializableClass("testValue1", "testValue2"));
+    // Object which is of non-serializable class.
+    verifyObject(new Utf8("test-key"));
+    // Verify serialization of list.
+    verifyObject(new LinkedList<>(Arrays.asList(2, 3, 5)));
+  }
+
+  private <T> void verifyObject(T expectedValue) throws IOException {
+    byte[] serializedObject = SerializationUtils.serialize(expectedValue);
+    Assert.assertTrue(serializedObject != null && serializedObject.length > 0);
+
+    final T deserializedValue = SerializationUtils.<T>deserialize(serializedObject);
+    if (expectedValue == null) {
+      Assert.assertNull(deserializedValue);
+    } else {
+      Assert.assertTrue(expectedValue.equals(deserializedValue));
+    }
+  }
+
+  private static class NonSerializableClass {
+    private String id;
+    private String name;
+
+    NonSerializableClass(String id) {
+      this(id, "");
+    }
+
+    NonSerializableClass(String id, String name) {
+      this.id = id;
+      this.name = name;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+      if (!(obj instanceof  NonSerializableClass)) {
+        return false;
+      }
+      final NonSerializableClass other = (NonSerializableClass) obj;
+      return Objects.equals(this.id, other.id) && Objects.equals(this.name, other.name);
+    }
+  }
+}