com.gemstone.gemfire.test.junit.rules.serializable.SerializableRuleListTest.java Source code

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Here is the source code for com.gemstone.gemfire.test.junit.rules.serializable.SerializableRuleListTest.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.gemstone.gemfire.test.junit.rules.serializable;

import static org.assertj.core.api.Assertions.*;

import com.gemstone.gemfire.test.junit.categories.UnitTest;
import org.apache.commons.lang.SerializationUtils;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;

import java.io.Serializable;

/**
 * Unit tests for {@link SerializableRuleList}.
 */
@Category(UnitTest.class)
public class SerializableRuleListTest {

    @Test
    public void isSerializable() throws Exception {
        assertThat(SerializableRuleList.class).isInstanceOf(Serializable.class);
    }

    @Test
    public void canBeSerialized() throws Exception {
        String value = "foo";
        FakeSerializableTestRule fakeRule = new FakeSerializableTestRule().value(value);
        SerializableRuleList instance = new SerializableRuleList().add(fakeRule);

        SerializableRuleList cloned = (SerializableRuleList) SerializationUtils.clone(instance);

        assertThat(cloned.rules().size()).isEqualTo(1);
        assertThat(cloned.rules().get(0)).isInstanceOf(FakeSerializableTestRule.class).isEqualTo(fakeRule);
    }

    /**
     * Fake SerializableTestRule with a string field and overriding equals.
     */
    private static class FakeSerializableTestRule implements SerializableTestRule {

        private String value = null;

        public FakeSerializableTestRule value(final String value) {
            this.value = value;
            return this;
        }

        public String value() {
            return this.value;
        }

        @Override
        public Statement apply(final Statement base, final Description description) {
            return new Statement() {
                @Override
                public void evaluate() throws Throwable {
                    base.evaluate();
                }
            };
        }

        @Override
        public boolean equals(Object o) {
            if (this == o)
                return true;
            if (o == null || getClass() != o.getClass())
                return false;

            FakeSerializableTestRule that = (FakeSerializableTestRule) o;

            return this.value != null ? this.value.equals(that.value()) : that.value() == null;
        }
    }
}