XmppPingIQHandlerTestCase.java

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 *  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
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 *
 *    http://www.apache.org/licenses/LICENSE-2.0
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 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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package org.apache.vysper.xmpp.modules.extension.xep0199_xmppping;

import org.apache.vysper.xmpp.addressing.Entity;
import org.apache.vysper.xmpp.addressing.EntityImpl;
import org.apache.vysper.xmpp.protocol.NamespaceURIs;
import org.apache.vysper.xmpp.protocol.ResponseStanzaContainer;
import org.apache.vysper.xmpp.server.TestSessionContext;
import org.apache.vysper.xmpp.stanza.IQStanzaType;
import org.apache.vysper.xmpp.stanza.Stanza;
import org.apache.vysper.xmpp.stanza.StanzaBuilder;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;

/**
 */
public class XmppPingIQHandlerTestCase {

    private static final String IQ_ID = "xmppping-1";

    private TestSessionContext sessionContext = TestSessionContext.createWithStanzaReceiverRelayAuthenticated();

    protected Entity client = EntityImpl.parseUnchecked("tester@vysper.org");

    protected Entity boundClient;

    protected Entity server;

    protected XmppPingIQHandler handler = new XmppPingIQHandler();

    @Before
    public void before() throws Exception {
        sessionContext.setInitiatingEntity(client);

        boundClient = new EntityImpl(client, sessionContext.bindResource());
        server = sessionContext.getServerJID();
    }
    
    private Stanza buildStanza() {
        return buildStanza("iq", NamespaceURIs.JABBER_CLIENT, "ping", NamespaceURIs.URN_XMPP_PING);
    }

    private Stanza buildStanza(String name, String namespaceUri) {
        return buildStanza(name, namespaceUri, "ping", NamespaceURIs.URN_XMPP_PING);
    }
    
    private Stanza buildStanza(String name, String namespaceUri, String innerName, String innerNamespaceUri) {
        return new StanzaBuilder(name, namespaceUri)
            .addAttribute("type", "get")
            .addAttribute("id", "1")
            .startInnerElement(innerName, innerNamespaceUri)
            .build();
    }
    
    @Test
    public void nameMustBeIq() {
        Assert.assertEquals("iq", handler.getName());
    }

    @Test
    public void verifyNullStanza() {
        Assert.assertFalse(handler.verify(null));
    }

    @Test
    public void verifyInvalidName() {
        Assert.assertFalse(handler.verify(buildStanza("dummy", NamespaceURIs.JABBER_CLIENT)));
    }

    @Test
    public void verifyInvalidNamespace() {
        Assert.assertFalse(handler.verify(buildStanza("iq", "dummy")));
    }

    @Test
    public void verifyNullNamespace() {
        Assert.assertFalse(handler.verify(buildStanza("iq", null)));
    }

    @Test
    public void verifyNullInnerNamespace() {
        Assert.assertFalse(handler.verify(buildStanza("iq", NamespaceURIs.JABBER_CLIENT, "ping", null)));
    }

    @Test
    public void verifyInvalidInnerNamespace() {
        Assert.assertFalse(handler.verify(buildStanza("iq", NamespaceURIs.JABBER_CLIENT, "ping", "dummy")));
    }
    
    @Test
    public void verifyInvalidInnerName() {
        Assert.assertFalse(handler.verify(buildStanza("iq", NamespaceURIs.JABBER_CLIENT, "dummy", NamespaceURIs.URN_XMPP_PING)));
    }

    @Test
    public void verifyMissingInnerElement() {
        Stanza stanza = new StanzaBuilder("iq", NamespaceURIs.JABBER_CLIENT).build();
        Assert.assertFalse(handler.verify(stanza));
    }
    
    @Test
    public void verifyValidStanza() {
        Assert.assertTrue(handler.verify(buildStanza()));
    }

    @Test
    public void verifyValidResultStanza() {
        Stanza stanza = new StanzaBuilder("iq", NamespaceURIs.JABBER_CLIENT)
        .addAttribute("type", "result")
        .addAttribute("id", "xmppping-1")
        .build();

        Assert.assertTrue(handler.verify(stanza));
    }

    @Test
    public void verifyInvalidResultStanza() {
        Stanza stanza = new StanzaBuilder("iq", NamespaceURIs.JABBER_CLIENT)
        .addAttribute("type", "result")
        .addAttribute("id", "dummy-1")
        .build();
        
        Assert.assertFalse(handler.verify(stanza));
    }
    
    @Test
    public void sessionIsRequired() {
        Assert.assertTrue(handler.isSessionRequired());
    }


    @Test
    public void clientToServerPing() {
        // C: <iq from='juliet@capulet.lit/balcony' to='capulet.lit' id='c2s1' type='get'>
        //      <ping xmlns='urn:xmpp:ping'/>
        //    </iq>
        //
        // S: <iq from='capulet.lit' to='juliet@capulet.lit/balcony' id='c2s1' type='result'/>

        StanzaBuilder stanzaBuilder = StanzaBuilder.createIQStanza(boundClient, server, IQStanzaType.GET, IQ_ID);
        stanzaBuilder.startInnerElement("ping", NamespaceURIs.URN_XMPP_PING).endInnerElement();

        Stanza requestStanza = stanzaBuilder.build();
        ResponseStanzaContainer resp = handler.execute(requestStanza, sessionContext.getServerRuntimeContext(), true,
                sessionContext, null);

        // we should always get a response
        Assert.assertTrue(resp.hasResponse());

        Stanza respStanza = resp.getResponseStanza();

        Assert.assertEquals("iq", respStanza.getName());
        Assert.assertEquals(boundClient, respStanza.getTo());
        Assert.assertEquals(server, respStanza.getFrom());
        Assert.assertEquals(IQ_ID, respStanza.getAttributeValue("id"));
        Assert.assertEquals("result", respStanza.getAttributeValue("type"));
    }

    @Test
    public void handleResult() {
        // S: <iq from='capulet.lit' to='juliet@capulet.lit/balcony' id='c2s1' type='result'/>

        Stanza stanza = StanzaBuilder.createIQStanza(boundClient, server, IQStanzaType.RESULT, IQ_ID).build();

        XmppPinger pinger1 = Mockito.mock(XmppPinger.class);
        XmppPinger pinger2 = Mockito.mock(XmppPinger.class);
        XmppPinger pinger3 = Mockito.mock(XmppPinger.class);
        
        handler.addPinger(pinger1);
        handler.addPinger(pinger2);
        handler.addPinger(pinger3);
        handler.removePinger(pinger3);
        
        ResponseStanzaContainer resp = handler.execute(stanza, sessionContext.getServerRuntimeContext(), true,
                sessionContext, null);

        Assert.assertNull(resp);
        
        Mockito.verify(pinger1).pong(IQ_ID);
        Mockito.verify(pinger1).pong(IQ_ID);
        Mockito.verifyZeroInteractions(pinger3);
    }

}