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package com.orbekk.same;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
public class MasterTest {
private State state = new State("TestNetwork");
private TestConnectionManager connections = new TestConnectionManager();
private TestBroadcaster broadcaster = new TestBroadcaster();
private Master master;
private MasterService masterS;
public static class UnreachableClient implements ClientService {
@Override
public void setState(String component, String data, long revision)
throws Exception {
throw new Exception("Unreachable client");
}
@Override
public void masterTakeover(String masterUrl, String networkName, int masterId)
throws Exception {
throw new Exception("Unreachable client");
}
@Override
public void masterDown(int masterId) throws Exception {
throw new Exception("Unreachable client");
}
}
@Before
public void setUp() {
state.update(".masterUrl", "http://master/MasterService.json", 1);
master = new Master(state, connections, broadcaster,
"http://master/MasterService.json");
masterS = master.getService();
connections.masterMap.put("http://master/MasterService.json",
masterS);
}
@Test
public void joinNetworkAddsClient() throws Exception {
masterS.joinNetworkRequest("http://clientUrl");
List<String> participants = state.getList(".participants");
assertTrue(participants.contains("http://clientUrl"));
}
@Test
public void clientJoin() {
Client client = new Client(
new State("ClientNetwork"), connections,
"http://client/ClientService.json", null);
ClientService clientS = client.getService();
connections.clientMap.put("http://client/ClientService.json", clientS);
client.joinNetwork("http://master/MasterService.json");
master.performWork();
assertTrue(state.getList(".participants").contains("http://client/ClientService.json"));
assertEquals(state, client.testGetState());
}
@Test
public void updateStateRequest() throws Exception {
Client client1 = new Client(
new State("ClientNetwork"), connections,
"http://client/ClientService.json", null);
ClientService client1S = client1.getService();
connections.clientMap.put("http://client/ClientService.json", client1S);
Client client2 = new Client(
new State("ClientNetwork"), connections,
"http://client2/ClientService.json", null);
ClientService client2S = client2.getService();
connections.clientMap.put("http://client2/ClientService.json", client2S);
client1.joinNetwork("http://master/MasterService.json");
client2.joinNetwork("http://master/MasterService.json");
master.performWork();
assertTrue(state.getList(".participants").contains("http://client/ClientService.json"));
assertTrue(state.getList(".participants").contains("http://client2/ClientService.json"));
assertEquals(state, client1.testGetState());
assertTrue(masterS.updateStateRequest("A", "1", 0));
master.performWork();
assertEquals(state, client1.testGetState());
assertEquals(state, client2.testGetState());
assertFalse(masterS.updateStateRequest("A", "2", 0));
assertTrue(masterS.updateStateRequest("A", "3", 1));
master.performWork();
assertEquals(state, client1.testGetState());
assertEquals(state, client2.testGetState());
}
@Test
public void masterRemovesParticipant() throws Exception {
Client client = new Client(
new State("ClientNetwork"), connections,
"http://client/ClientService.json", null);
ClientService clientS = client.getService();
connections.clientMap.put("http://client/ClientService.json", clientS);
client.joinNetwork("http://master/MasterService.json");
master.performWork();
assertTrue(state.getList(".participants").contains("http://client/ClientService.json"));
connections.clientMap.put("http://client/ClientService.json",
new UnreachableClient());
masterS.updateStateRequest("NewState", "NewStateData", 0);
master.performWork();
assertEquals("[]", state.getDataOf(".participants"));
}
}
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