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/*
* Copyright (c) 2010-2014 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
/*
* Copyright (c) 2015 Tarun Gupta.
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
package com.isode.stroke.streamstack;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.junit.Before;
import com.isode.stroke.base.SafeByteArray;
import com.isode.stroke.streamstack.StreamStack;
import com.isode.stroke.streamstack.LowLayer;
import com.isode.stroke.streamstack.XMPPLayer;
import com.isode.stroke.streamstack.StreamLayer;
import com.isode.stroke.parser.PlatformXMLParserFactory;
import com.isode.stroke.parser.payloadparsers.FullPayloadParserFactoryCollection;
import com.isode.stroke.serializer.payloadserializers.FullPayloadSerializerCollection;
import com.isode.stroke.elements.Element;
import com.isode.stroke.elements.StreamType;
import com.isode.stroke.signals.Slot1;
import java.util.Vector;
public class StreamStackTest {
private class MyStreamLayer extends StreamLayer {
public MyStreamLayer(final String prepend) {
this.prepend_ = prepend;
}
public void writeData(final SafeByteArray data) {
writeDataToChildLayer(new SafeByteArray(prepend_).append(data));
}
public void handleDataRead(final SafeByteArray data) {
writeDataToParentLayer(new SafeByteArray(prepend_).append(data));
}
private String prepend_ = "";
};
/* Multiple-inheritance workarounds */
private StreamLayer fakeStreamLayer_ = new StreamLayer() {
public void writeData(SafeByteArray data) {
throw new UnsupportedOperationException("Not supported yet.");
}
public void handleDataRead(SafeByteArray data) {
writeDataToParentLayer(data);
}
};
private class TestLowLayer implements LowLayer {
public Vector<SafeByteArray> data_ = new Vector<SafeByteArray>();
public TestLowLayer() {
}
public void writeData(final SafeByteArray data) {
data_.add(data);
}
public void onDataRead(SafeByteArray data) {
writeDataToParentLayer(data);
}
public HighLayer getParentLayer() {
return fakeStreamLayer_.getParentLayer();
}
public void setParentLayer(HighLayer highLayer) {
fakeStreamLayer_.setParentLayer(highLayer);
}
public void writeDataToParentLayer(SafeByteArray data) {
fakeStreamLayer_.writeDataToParentLayer(data);
}
};
private FullPayloadParserFactoryCollection parserFactories_ = new FullPayloadParserFactoryCollection();
private FullPayloadSerializerCollection serializers_ = new FullPayloadSerializerCollection();
private TestLowLayer physicalStream_;
private XMPPLayer xmppStream_;
private int elementsReceived_;
private int dataWriteReceived_;
@Before
public void setUp() {
physicalStream_ = new TestLowLayer();
xmppStream_ = new XMPPLayer(parserFactories_, serializers_, StreamType.ClientStreamType);
elementsReceived_ = 0;
dataWriteReceived_ = 0;
}
public void handleElement(Element element) {
++elementsReceived_;
}
public void handleWriteData(final SafeByteArray SafeByteArray) {
++dataWriteReceived_;
}
@Test
public void testWriteData_NoIntermediateStreamStack() {
StreamStack testling = new StreamStack(xmppStream_, physicalStream_);
xmppStream_.writeData("foo");
assertEquals(1, physicalStream_.data_.size());
assertEquals(new SafeByteArray("foo"), physicalStream_.data_.get(0));
}
@Test
public void testWriteData_OneIntermediateStream() {
StreamStack testling = new StreamStack(xmppStream_, physicalStream_);
MyStreamLayer xStream = new MyStreamLayer("X");
testling.addLayer(xStream);
xmppStream_.writeData("foo");
assertEquals(1, physicalStream_.data_.size());
assertEquals(new SafeByteArray("Xfoo"), physicalStream_.data_.get(0));
}
@Test
public void testWriteData_TwoIntermediateStreamStack() {
StreamStack testling = new StreamStack(xmppStream_, physicalStream_);
MyStreamLayer xStream = new MyStreamLayer("X");
MyStreamLayer yStream = new MyStreamLayer("Y");
testling.addLayer(xStream);
testling.addLayer(yStream);
xmppStream_.writeData("foo");
assertEquals(1, physicalStream_.data_.size());
assertEquals(new SafeByteArray("XYfoo"), physicalStream_.data_.get(0));
}
@Test
public void testReadData_NoIntermediateStreamStack() {
StreamStack testling = new StreamStack(xmppStream_, physicalStream_);
xmppStream_.onElement.connect(new Slot1<Element>() {
@Override
public void call(Element e1) {
handleElement(e1);
}
});
physicalStream_.onDataRead(new SafeByteArray("<stream:stream xmlns:stream='http://etherx.jabber.org/streams'><presence/>"));
assertEquals(1, elementsReceived_);
}
@Test
public void testReadData_OneIntermediateStream() {
StreamStack testling = new StreamStack(xmppStream_, physicalStream_);
xmppStream_.onElement.connect(new Slot1<Element>() {
@Override
public void call(Element e1) {
handleElement(e1);
}
});
MyStreamLayer xStream = new MyStreamLayer("<");
testling.addLayer(xStream);
physicalStream_.onDataRead(new SafeByteArray("stream:stream xmlns:stream='http://etherx.jabber.org/streams'><presence/>"));
assertEquals(1, elementsReceived_);
}
@Test
public void testReadData_TwoIntermediateStreamStack() {
StreamStack testling = new StreamStack(xmppStream_, physicalStream_);
xmppStream_.onElement.connect(new Slot1<Element>() {
@Override
public void call(Element e1) {
handleElement(e1);
}
});
MyStreamLayer xStream = new MyStreamLayer("s");
MyStreamLayer yStream = new MyStreamLayer("<");
testling.addLayer(xStream);
testling.addLayer(yStream);
physicalStream_.onDataRead(new SafeByteArray("tream:stream xmlns:stream='http://etherx.jabber.org/streams'><presence/>"));
assertEquals(1, elementsReceived_);
}
@Test
public void testAddLayer_ExistingOnWriteDataSlot() {
StreamStack testling = new StreamStack(xmppStream_, physicalStream_);
xmppStream_.onWriteData.connect(new Slot1<SafeByteArray>() {
@Override
public void call(SafeByteArray b1) {
handleWriteData(b1);
}
});
MyStreamLayer xStream = new MyStreamLayer("X");
testling.addLayer(xStream);
xmppStream_.writeData("foo");
assertEquals(1, dataWriteReceived_);
}
}
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