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

Introduction

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

Source

/*
 * 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 com.gemstone.gemfire.test.junit.rules.serializable.FieldSerializationUtils.*;
import static com.gemstone.gemfire.test.junit.rules.serializable.FieldsOfTimeout.*;
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.rules.Timeout;

import java.io.Serializable;
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.concurrent.TimeUnit;

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

    @Test
    public void hasThreeFields() throws Exception {
        Field[] fields = Timeout.class.getDeclaredFields();
        assertThat(fields.length).as("Fields: " + Arrays.asList(fields)).isEqualTo(3);
    }

    @Test
    public void fieldTimeoutShouldExist() throws Exception {
        Field field = Timeout.class.getDeclaredField(FIELD_TIMEOUT);
        assertThat(field.getType()).isEqualTo(Long.TYPE);
    }

    @Test
    public void fieldTimeUnitShouldExist() throws Exception {
        Field field = Timeout.class.getDeclaredField(FIELD_TIME_UNIT);
        assertThat(field.getType()).isEqualTo(TimeUnit.class);
    }

    @Test
    public void fieldLookForStuckThreadShouldExist() throws Exception {
        Field field = Timeout.class.getDeclaredField(FIELD_LOOK_FOR_STUCK_THREAD);
        assertThat(field.getType()).isEqualTo(Boolean.TYPE);
    }

    @Test
    public void fieldsCanBeRead() throws Exception {
        long timeout = 1000;
        TimeUnit timeUnit = TimeUnit.MILLISECONDS;
        boolean lookingForStuckThread = false;

        SerializableTimeout instance = SerializableTimeout.builder().withTimeout(timeout, timeUnit)
                .withLookingForStuckThread(lookingForStuckThread).build();

        assertThat(readField(Timeout.class, instance, FIELD_TIMEOUT)).isEqualTo(timeout);
        assertThat(readField(Timeout.class, instance, FIELD_TIME_UNIT)).isEqualTo(timeUnit);
        assertThat(readField(Timeout.class, instance, FIELD_LOOK_FOR_STUCK_THREAD))
                .isEqualTo(lookingForStuckThread);
    }

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

    @Test
    public void canBeSerialized() throws Exception {
        long timeout = 2;
        TimeUnit timeUnit = TimeUnit.SECONDS;
        boolean lookingForStuckThread = true;

        SerializableTimeout instance = SerializableTimeout.builder().withTimeout(timeout, timeUnit)
                .withLookingForStuckThread(lookingForStuckThread).build();

        assertThat(readField(Timeout.class, instance, FIELD_TIMEOUT)).isEqualTo(timeout);
        assertThat(readField(Timeout.class, instance, FIELD_TIME_UNIT)).isEqualTo(timeUnit);
        assertThat(readField(Timeout.class, instance, FIELD_LOOK_FOR_STUCK_THREAD))
                .isEqualTo(lookingForStuckThread);

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

        assertThat(readField(Timeout.class, cloned, FIELD_TIMEOUT)).isEqualTo(timeout);
        assertThat(readField(Timeout.class, cloned, FIELD_TIME_UNIT)).isEqualTo(timeUnit);
        assertThat(readField(Timeout.class, cloned, FIELD_LOOK_FOR_STUCK_THREAD)).isEqualTo(lookingForStuckThread);
    }
}