MethodCacherTest.java

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package com.jcabi.aspects.aj;

import com.jcabi.aspects.Cacheable;
import java.lang.reflect.Method;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.reflect.MethodSignature;
import org.hamcrest.MatcherAssert;
import org.hamcrest.Matchers;
import org.junit.Test;
import org.mockito.Mockito;

/**
 * Tests for {@link MethodCacher}.
 * @author Nesterov Nikolay (nikolaynesterov@gmail.com)
 * @version $Id: 2abba7ba0264a45438b6415d18dd8790512de6a7 $
 * @since 1.0
 */
public final class MethodCacherTest {
    /**
     * MethodCacher can support garbage collecting.
     * @throws Throwable If something goes wrong
     * @checkstyle IllegalThrowsCheck (3 lines)
     */
    @Test
    public void supportsGarbageCollecting() throws Throwable {
        final ProceedingJoinPoint point = Mockito.mock(
                ProceedingJoinPoint.class
        );
        Mockito.when(point.proceed()).thenReturn(new Object());
        final MethodCacher.Key key = Mockito.mock(
                MethodCacher.Key.class
        );
        final MethodCacher.Tunnel tunnel = new MethodCacher.Tunnel(
                point, key, false
        );
        final MethodSignature methodSignature = Mockito.mock(
                MethodSignature.class
        );
        final Method method = Buzz.class.getMethod("get");
        Mockito.when(methodSignature.getMethod()).thenReturn(method);
        Mockito.when(point.getSignature()).thenReturn(methodSignature);
        tunnel.through();
        MatcherAssert.assertThat(tunnel.expired(), Matchers.equalTo(false));
        tunnel.cached().clear();
        MatcherAssert.assertThat(tunnel.expired(), Matchers.equalTo(true));
    }

    /**
     * Test class for tests above.
     */
    private static class Buzz {
        /**
         * Return some object.
         * @return Some object.
         */
        @Cacheable(forever = true)
        public Object get() {
            return new Object();
        }
    }
}