source: exampleparties/anac2019/winkyagent/src/test/java/geniusweb/exampleparties/anac2019/winkyagent/WinkyAgentTest.java@ 52

package geniusweb.exampleparties.anac2019.winkyagent;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.LinkedList;
import java.util.List;
import java.util.logging.Level;

import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;

import geniusweb.actions.Accept;
import geniusweb.actions.Action;
import geniusweb.actions.EndNegotiation;
import geniusweb.actions.Offer;
import geniusweb.actions.PartyId;
import geniusweb.connection.ConnectionEnd;
import geniusweb.inform.ActionDone;
import geniusweb.inform.Agreements;
import geniusweb.inform.Finished;
import geniusweb.inform.Inform;
import geniusweb.inform.Settings;
import geniusweb.inform.YourTurn;
import geniusweb.issuevalue.Bid;
import geniusweb.party.Capabilities;
import geniusweb.profile.DefaultPartialOrdering;
import geniusweb.profile.PartialOrdering;
import geniusweb.profile.Profile;
import geniusweb.progress.ProgressRounds;
import geniusweb.references.Parameters;
import geniusweb.references.ProfileRef;
import geniusweb.references.ProtocolRef;
import geniusweb.references.Reference;
import tudelft.utilities.listener.DefaultListenable;
import tudelft.utilities.logging.Reporter;

public class WinkyAgentTest {

        private static final String SAOP = "SAOP";
        private static final PartyId otherparty = new PartyId("other");
        private static final String PROFILE = "src/test/resources/jobs1partial20.json";
        private final static ObjectMapper jackson = new ObjectMapper();

        private WinkyAgent party;
        private final TestConnection connection = new TestConnection();
        private final ProtocolRef protocol = mock(ProtocolRef.class);
        private ProgressRounds progress = mock(ProgressRounds.class);
        private Settings settings;
        private PartialOrdering profile;
        private final Parameters parameters = new Parameters();

        @Before
        public void before() throws JsonParseException, JsonMappingException,
                        IOException, URISyntaxException {
                when(progress.advance()).thenReturn(progress);
                when(progress.getCurrentRound()).thenReturn(4);
                when(progress.getTotalRounds()).thenReturn(10);

                party = new WinkyAgent();
                settings = new Settings(new PartyId("party1"),
                                new ProfileRef(new URI("file:" + PROFILE)), protocol, progress,
                                parameters);

                String serialized = new String(Files.readAllBytes(Paths.get(PROFILE)),
                                StandardCharsets.UTF_8);
                profile = (PartialOrdering) jackson.readValue(serialized,
                                Profile.class);

        }

        @Test
        public void smokeTest() {
        }

        @Test
        public void getDescriptionTest() {
                assertNotNull(party.getDescription());
        }

        @Test
        public void getCapabilitiesTest() {
                Capabilities capabilities = party.getCapabilities();
                assertFalse("party does not define protocols",
                                capabilities.getBehaviours().isEmpty());
        }

        @Test
        public void testInformConnection() {
                party.connect(connection);
                // agent should not start acting just after an inform
                assertEquals(0, connection.getActions().size());
        }

        @Test
        public void testInformSettings() {
                party.connect(connection);
                connection.notifyListeners(settings);
                assertEquals(0, connection.getActions().size());
        }

        @Test
        public void testInformAndConnection() {
                party.connect(connection);
                party.notifyChange(settings);
                assertEquals(0, connection.getActions().size());
        }

        @Test
        public void testOtherWalksAway() {
                party.connect(connection);
                party.notifyChange(settings);

                party.notifyChange(new ActionDone(new EndNegotiation(otherparty)));

                // party should not act at this point
                assertEquals(0, connection.getActions().size());
        }

        @Test
        public void testAgentHasFirstTurn() {
                party.connect(connection);
                party.notifyChange(settings);

                party.notifyChange(new YourTurn());
                assertEquals(1, connection.getActions().size());
                assertTrue(connection.getActions().get(0) instanceof Offer);
        }

        @Ignore // the party does not seem to accept properly. because bug?
        @Test
        public void testAgentAccepts() {
                party.connect(connection);
                party.notifyChange(settings);

                Bid bid = findGoodBid();

                // agent generally does not accept in round 1. But it should accept
                // soon. Also we have progress=40% so it's not a blank atart.
                int round = 1;
                boolean accept = false;
                while (round < 10 && !accept) {
                        party.notifyChange(new ActionDone(new Offer(otherparty, bid)));
                        party.notifyChange(new YourTurn());
                        assertEquals(round, connection.getActions().size());
                        accept = connection.getActions().get(round - 1) instanceof Accept;
                        round++;
                }
                assertTrue("Party did not accept good offer at all", accept);

        }

        @Test
        public void testAgentLogsFinal() {
                // this log output is optional, this is to show how to check log
                Reporter reporter = mock(Reporter.class);
                party = new WinkyAgent(reporter);
                party.connect(connection);
                party.notifyChange(settings);

                Agreements agreements = mock(Agreements.class);
                when(agreements.toString()).thenReturn("agree");
                party.notifyChange(new Finished(agreements));

                verify(reporter).log(eq(Level.INFO),
                                eq("Final ourcome:Finished[agree]"));
        }

        @Test
        public void testAgentsUpdatesProgress() {
                party.connect(connection);
                party.notifyChange(settings);

                party.notifyChange(new YourTurn());
                verify(progress).advance();
        }

        @Test
        public void testGetCapabilities() {
                assertTrue(party.getCapabilities().getBehaviours().contains(SAOP));
        }

        private Bid findGoodBid() {
                // assumes that profile is a DefaultPartial. The top 30% bids should be
                // good.
                if (!(profile instanceof DefaultPartialOrdering))
                        throw new IllegalStateException(
                                        "Test can not be done: there is no good bid with utility>0.7");
                List<Bid> bids = ((DefaultPartialOrdering) profile).getBids();
                return bids.get(bids.size() - 2);
        }

}

/**
 * A "real" connection object, because the party is going to subscribe etc, and
 * without a real connection we would have to do a lot of mocks that would make
 * the test very hard to read.
 *
 */
class TestConnection extends DefaultListenable<Inform>
                implements ConnectionEnd<Inform, Action> {
        private List<Action> actions = new LinkedList<>();

        @Override
        public void send(Action action) throws IOException {
                actions.add(action);
        }

        @Override
        public Reference getReference() {
                return null;
        }

        @Override
        public URI getRemoteURI() {
                return null;
        }

        @Override
        public void close() {

        }

        @Override
        public Error getError() {
                return null;
        }

        public List<Action> getActions() {
                return actions;
        }

}