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package pl.edu.mimuw.cloudatlas.agent.modules;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import pl.edu.mimuw.cloudatlas.agent.messages.AgentMessage;
import pl.edu.mimuw.cloudatlas.agent.messages.GetStateMessage;
import pl.edu.mimuw.cloudatlas.agent.messages.StateMessage;
import pl.edu.mimuw.cloudatlas.agent.messages.ResponseMessage;
import pl.edu.mimuw.cloudatlas.agent.messages.UpdateAttributesMessage;
import pl.edu.mimuw.cloudatlas.agent.MockExecutor;
import pl.edu.mimuw.cloudatlas.model.Attribute;
import pl.edu.mimuw.cloudatlas.model.AttributesMap;
import pl.edu.mimuw.cloudatlas.model.Value;
import pl.edu.mimuw.cloudatlas.model.ValueInt;
import pl.edu.mimuw.cloudatlas.model.ValueQuery;
import pl.edu.mimuw.cloudatlas.model.ValueString;
import pl.edu.mimuw.cloudatlas.model.ValueTime;
import pl.edu.mimuw.cloudatlas.model.ZMI;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
public class StanikTest {
private Stanik stanik;
private MockExecutor executor;
@Before
public void setupEventBus() {
stanik = new Stanik();
executor = new MockExecutor(stanik);
}
@Test
public void getEmptyState() throws Exception {
GetStateMessage message = new GetStateMessage("test_msg", 0, ModuleType.TEST, 42);
stanik.handleTyped(message);
assertEquals(1, executor.messagesToPass.size());
ResponseMessage receivedMessage = (ResponseMessage) executor.messagesToPass.take();
assertEquals(ModuleType.TEST, receivedMessage.getDestinationModule());
assertEquals(ResponseMessage.Type.STATE, receivedMessage.getType());
assertEquals(42, receivedMessage.getRequestId());
StateMessage stateMessage = (StateMessage) receivedMessage;
ZMI zmi = stateMessage.getZMI();
assertNull(zmi.getFather());
assertTrue(zmi.getSons().isEmpty());
assertEquals(1, iterableSize(zmi.getAttributes()));
Map<Attribute, Entry<ValueQuery, ValueTime>> queries = stateMessage.getQueries();
assertEquals(0, iterableSize(queries.keySet()));
}
@Test
public void hierarchyIsDeepCopy() throws Exception {
GetStateMessage message = new GetStateMessage("test_msg", 0, ModuleType.TEST, 42);
stanik.handleTyped(message);
StateMessage receivedMessage = (StateMessage) executor.messagesToPass.poll();
assertNotNull(receivedMessage);
AttributesMap attributes = receivedMessage.getZMI().getAttributes();
assertNull(attributes.getOrNull("foo"));
attributes.add("foo", new ValueInt(1337l));
GetStateMessage newMessage = new GetStateMessage("test_msg2", 123, ModuleType.TEST, 43);
stanik.handleTyped(newMessage);
StateMessage newReceivedMessage = (StateMessage) executor.messagesToPass.poll();
AttributesMap newAttributes = newReceivedMessage.getZMI().getAttributes();
assertNull(newAttributes.getOrNull("foo"));
}
@Test
public void updateRootAttributes() throws Exception {
AttributesMap attributes = new AttributesMap();
attributes.add("foo", new ValueInt(1337l));
attributes.add("bar", new ValueString("baz"));
attributes.add("timestamp", new ValueTime("2012/12/21 04:20:00.000"));
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/", attributes);
stanik.handleTyped(message);
AttributesMap actualAttributes = stanik.getHierarchy().getAttributes();
assertEquals(3, iterableSize(actualAttributes));
assertEquals(new ValueInt(1337l), actualAttributes.get("foo"));
assertEquals(new ValueString("baz"), actualAttributes.get("bar"));
assertEquals(new ValueTime("2012/12/21 04:20:00.000"), actualAttributes.getOrNull("timestamp"));
}
@Test
public void updateWithNewZone() throws Exception {
AttributesMap attributes = new AttributesMap();
attributes.add("foo", new ValueInt(1337l));
attributes.add("bar", new ValueString("baz"));
attributes.add("name", new ValueString("new"));
attributes.add("timestamp", new ValueTime("2012/12/21 04:20:00.000"));
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/new", attributes);
stanik.handleTyped(message);
AttributesMap actualAttributes = stanik.getHierarchy().findDescendant("/new").getAttributes();
assertEquals(4, iterableSize(actualAttributes));
assertEquals(new ValueInt(1337l), actualAttributes.getOrNull("foo"));
assertEquals(new ValueString("baz"), actualAttributes.getOrNull("bar"));
assertEquals(new ValueString("new"), actualAttributes.getOrNull("name"));
assertEquals(new ValueTime("2012/12/21 04:20:00.000"), actualAttributes.getOrNull("timestamp"));
}
@Test
public void updateWithRemovedAttributes() throws Exception {
AttributesMap attributes = new AttributesMap();
attributes.add("foo", new ValueInt(1337l));
attributes.add("bar", new ValueString("baz"));
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/", attributes);
attributes.add("timestamp", new ValueTime("2012/12/21 04:20:00.000"));
stanik.handleTyped(message);
AttributesMap newAttributes = new AttributesMap();
newAttributes.add("timestamp", new ValueTime("2012/12/21 04:20:42.000"));
newAttributes.add("foo", new ValueInt(1338l));
UpdateAttributesMessage newMessage = new UpdateAttributesMessage("test_msg2", 0, "/", newAttributes);
stanik.handleTyped(newMessage);
AttributesMap actualAttributes = stanik.getHierarchy().getAttributes();
assertEquals(2, iterableSize(actualAttributes));
assertEquals(new ValueInt(1338l), actualAttributes.getOrNull("foo"));
assertEquals(new ValueTime("2012/12/21 04:20:42.000"), actualAttributes.getOrNull("timestamp"));
}
@Test
public void dontApplyUpdateWithOlderTimestamp() throws Exception {
AttributesMap attributes = new AttributesMap();
attributes.add("foo", new ValueInt(1337l));
attributes.add("timestamp", new ValueTime("2012/12/21 04:20:00.000"));
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/", attributes);
stanik.handleTyped(message);
AttributesMap oldAttributes = new AttributesMap();
oldAttributes.add("foo", new ValueInt(1336l));
oldAttributes.add("timestamp", new ValueTime("2012/12/21 04:19:00.000"));
UpdateAttributesMessage newMessage = new UpdateAttributesMessage("test_msg2", 0, "/", oldAttributes);
stanik.handleTyped(newMessage);
AttributesMap actualAttributes = stanik.getHierarchy().getAttributes();
assertEquals(2, iterableSize(actualAttributes));
assertEquals(new ValueInt(1337l), actualAttributes.getOrNull("foo"));
assertEquals(new ValueTime("2012/12/21 04:20:00.000"), actualAttributes.getOrNull("timestamp"));
}
public <T> int iterableSize(Iterable<T> iterable) {
int count = 0;
for (T attribute : iterable) {
count++;
}
return count;
}
}
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