1 /** 2 * Copyright (c) 2014, stateful.co 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 1) Redistributions of source code must retain the above 8 * copyright notice, this list of conditions and the following 9 * disclaimer. 2) Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following 11 * disclaimer in the documentation and/or other materials provided 12 * with the distribution. 3) Neither the name of the stateful.co nor 13 * the names of its contributors may be used to endorse or promote 14 * products derived from this software without specific prior written 15 * permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT 19 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 28 * OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 package co.stateful.core; 31 32 import co.stateful.spi.Locks; 33 import com.jcabi.aspects.Parallel; 34 import com.jcabi.aspects.Tv; 35 import com.jcabi.urn.URN; 36 import java.util.concurrent.Callable; 37 import java.util.concurrent.atomic.AtomicInteger; 38 import org.hamcrest.MatcherAssert; 39 import org.hamcrest.Matchers; 40 import org.junit.Test; 41 42 /** 43 * Integration case for {@link DyLocks}. 44 * @author Yegor Bugayenko (yegor@tpc2.com) 45 * @version $Id$ 46 */ 47 public final class DyLocksITCase { 48 49 /** 50 * DyLocks can lock/unlock in parallel threads. 51 * @throws Exception If some problem inside 52 */ 53 @Test 54 public void locksAndUnlocksInThreads() throws Exception { 55 final Locks locks = new DefaultUser( 56 new URN("urn:test:787009") 57 ).locks(); 58 final String name = "lock-9033"; 59 final AtomicInteger done = new AtomicInteger(); 60 new Callable<Void>() { 61 @Override 62 @Parallel(threads = Tv.TWENTY) 63 public Void call() throws Exception { 64 if (locks.lock(name, "nothing special").isEmpty()) { 65 done.incrementAndGet(); 66 } 67 return null; 68 } 69 } .call(); 70 MatcherAssert.assertThat( 71 done.get(), 72 Matchers.equalTo(1) 73 ); 74 } 75 76 /** 77 * DyLocks can lock/unlock with mandatory label. 78 * @throws Exception If some problem inside 79 * @since 1.6 80 */ 81 @Test 82 public void locksAndUnlocksWithLabel() throws Exception { 83 final Locks locks = new DefaultUser( 84 new URN("urn:test:78119") 85 ).locks(); 86 final String name = "lock-980"; 87 final String label = "some label \u20ac"; 88 locks.lock(name, label); 89 MatcherAssert.assertThat( 90 locks.unlock(name, "wrong label"), 91 Matchers.not(Matchers.equalTo("")) 92 ); 93 MatcherAssert.assertThat( 94 locks.unlock(name, label), 95 Matchers.equalTo("") 96 ); 97 MatcherAssert.assertThat( 98 locks.lock(name, "new label"), 99 Matchers.equalTo("") 100 ); 101 } 102 103 }