/**
* Copyright 2007-2015, Kaazing Corporation. All rights reserved.
*
* 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 org.kaazing.k3po.driver.internal.behavior.visitor;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import org.kaazing.k3po.lang.internal.ast.AstScriptNode;
import org.kaazing.k3po.lang.internal.ast.builder.AstScriptNodeBuilder;
public class InjectBarriersVisitorTest {
@Test
public void shouldInjectBarrierAfterReadBeforeWrite()
throws Exception {
AstScriptNode expectedScriptNode = new AstScriptNodeBuilder()
.addConnectStream()
.addConnectedEvent()
.done()
.addReadEvent()
.addExactText("Hello, world")
.done()
.addReadNotifyBarrier()
.setBarrierName("~read~write~1")
.done()
.addWriteAwaitBarrier()
.setBarrierName("~read~write~1")
.done()
.addWriteCommand()
.addExactText("Hello, world")
.done()
.done()
.done();
AstScriptNode inputScriptNode = new AstScriptNodeBuilder()
.addConnectStream()
.addConnectedEvent()
.done()
.addReadEvent()
.addExactText("Hello, world")
.done()
.addWriteCommand()
.addExactText("Hello, world")
.done()
.done()
.done();
InjectBarriersVisitor injectBarriers = new InjectBarriersVisitor();
AstScriptNode actualScriptNode = inputScriptNode.accept(injectBarriers, new InjectBarriersVisitor.State());
assertEquals(expectedScriptNode, actualScriptNode);
}
@Test
public void shouldNotInjectBarrierAfterReadBeforeExplicitReadNotify()
throws Exception {
AstScriptNode expectedScriptNode = new AstScriptNodeBuilder()
.addConnectStream()
.addConnectedEvent()
.done()
.addReadEvent()
.addExactText("Hello, world")
.done()
.addReadNotifyBarrier()
.setBarrierName("barrier")
.done()
.addWriteCommand()
.addExactText("Hello, world")
.done()
.done()
.done();
AstScriptNode inputScriptNode = new AstScriptNodeBuilder()
.addConnectStream()
.addConnectedEvent()
.done()
.addReadEvent()
.addExactText("Hello, world")
.done()
.addReadNotifyBarrier()
.setBarrierName("barrier")
.done()
.addWriteCommand()
.addExactText("Hello, world")
.done()
.done()
.done();
InjectBarriersVisitor injectBarriers = new InjectBarriersVisitor();
AstScriptNode actualScriptNode = inputScriptNode.accept(injectBarriers, new InjectBarriersVisitor.State());
assertEquals(expectedScriptNode, actualScriptNode);
}
@Test
public void shouldNotInjectBarrierAfterReadBeforeExplicitReadAwait()
throws Exception {
AstScriptNode expectedScriptNode = new AstScriptNodeBuilder()
.addConnectStream()
.addConnectedEvent()
.done()
.addReadEvent()
.addExactText("Hello, world")
.done()
.addReadAwaitBarrier()
.setBarrierName("barrier")
.done()
.addWriteCommand()
.addExactText("Hello, world")
.done()
.done()
.done();
AstScriptNode inputScriptNode = new AstScriptNodeBuilder()
.addConnectStream()
.addConnectedEvent()
.done()
.addReadEvent()
.addExactText("Hello, world")
.done()
.addReadAwaitBarrier()
.setBarrierName("barrier")
.done()
.addWriteCommand()
.addExactText("Hello, world")
.done()
.done()
.done();
InjectBarriersVisitor injectBarriers = new InjectBarriersVisitor();
AstScriptNode actualScriptNode = inputScriptNode.accept(injectBarriers, new InjectBarriersVisitor.State());
assertEquals(expectedScriptNode, actualScriptNode);
}
}