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package pl.edu.mimuw.cloudatlas.agent.modules;
import java.util.AbstractMap.SimpleImmutableEntry;
import java.util.HashMap;
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.RemoveZMIMessage;
import pl.edu.mimuw.cloudatlas.agent.messages.ResponseMessage;
import pl.edu.mimuw.cloudatlas.agent.messages.SetAttributeMessage;
import pl.edu.mimuw.cloudatlas.agent.messages.StateMessage;
import pl.edu.mimuw.cloudatlas.agent.messages.UpdateAttributesMessage;
import pl.edu.mimuw.cloudatlas.agent.messages.UpdateQueriesMessage;
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.PathName;
import pl.edu.mimuw.cloudatlas.model.TestUtil;
import pl.edu.mimuw.cloudatlas.model.Value;
import pl.edu.mimuw.cloudatlas.model.ValueDuration;
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.ValueUtils;
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;
private ValueTime testTime;
private static final long freshnessPeriod = 1000;
@Before
public void setupLocals() {
stanik = new Stanik(new PathName("/new"), freshnessPeriod);
executor = new MockExecutor(stanik);
testTime = ValueUtils.currentTime();
}
@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(3, TestUtil.iterableSize(zmi.getAttributes()));
assertEquals(new ValueInt(0l), zmi.getAttributes().getOrNull("level"));
assertEquals(new ValueString("/new"), zmi.getAttributes().getOrNull("owner"));
Map<Attribute, ValueQuery> queries = stateMessage.getQueries();
assertEquals(2, TestUtil.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", testTime);
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/", attributes);
stanik.handleTyped(message);
AttributesMap actualAttributes = stanik.getHierarchy().getAttributes();
assertEquals(3, TestUtil.iterableSize(actualAttributes));
assertEquals(new ValueInt(1337l), actualAttributes.get("foo"));
assertEquals(new ValueString("baz"), actualAttributes.get("bar"));
assertEquals(testTime, 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", testTime);
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/new", attributes);
stanik.handleTyped(message);
AttributesMap actualAttributes = stanik.getHierarchy().findDescendant("/new").getAttributes();
assertEquals(4, TestUtil.iterableSize(actualAttributes));
assertEquals(new ValueInt(1337l), actualAttributes.getOrNull("foo"));
assertEquals(new ValueString("baz"), actualAttributes.getOrNull("bar"));
assertEquals(new ValueString("new"), actualAttributes.getOrNull("name"));
assertEquals(testTime, actualAttributes.getOrNull("timestamp"));
}
@Test
public void newZoneHasNewLevel() 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", testTime);
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/new", attributes);
stanik.handleTyped(message);
GetStateMessage newMessage = new GetStateMessage("test_msg2", 123, ModuleType.TEST, 43);
stanik.handleTyped(newMessage);
StateMessage newReceivedMessage = (StateMessage) executor.messagesToPass.poll();
AttributesMap actualAttributes = newReceivedMessage.getZMI().findDescendant("/new").getAttributes();
assertEquals(7, TestUtil.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 ValueString("/new"), actualAttributes.getOrNull("owner"));
assertEquals(new ValueInt(1l), actualAttributes.getOrNull("cardinality"));
assertEquals(testTime, actualAttributes.getOrNull("timestamp"));
assertEquals(new ValueInt(1l), actualAttributes.getOrNull("level"));
}
@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", testTime);
stanik.handleTyped(message);
AttributesMap newAttributes = new AttributesMap();
ValueTime newTime = (ValueTime) testTime.addValue(new ValueDuration(1l));
newAttributes.add("timestamp", newTime);
newAttributes.add("foo", new ValueInt(1338l));
UpdateAttributesMessage newMessage = new UpdateAttributesMessage("test_msg2", 0, "/", newAttributes);
stanik.handleTyped(newMessage);
AttributesMap actualAttributes = stanik.getHierarchy().getAttributes();
assertEquals(2, TestUtil.iterableSize(actualAttributes));
assertEquals(new ValueInt(1338l), actualAttributes.getOrNull("foo"));
assertEquals(newTime, actualAttributes.getOrNull("timestamp"));
}
@Test
public void dontApplyUpdateWithOlderTimestamp() throws Exception {
AttributesMap attributes = new AttributesMap();
attributes.add("foo", new ValueInt(1337l));
attributes.add("timestamp", testTime);
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/", attributes);
stanik.handleTyped(message);
AttributesMap oldAttributes = new AttributesMap();
oldAttributes.add("foo", new ValueInt(1336l));
ValueTime olderTime = (ValueTime) testTime.subtract(new ValueDuration(1l));
oldAttributes.add("timestamp", olderTime);
UpdateAttributesMessage newMessage = new UpdateAttributesMessage("test_msg2", 0, "/", oldAttributes);
stanik.handleTyped(newMessage);
AttributesMap actualAttributes = stanik.getHierarchy().getAttributes();
assertEquals(2, TestUtil.iterableSize(actualAttributes));
assertEquals(new ValueInt(1337l), actualAttributes.getOrNull("foo"));
assertEquals(testTime, actualAttributes.getOrNull("timestamp"));
}
@Test
public void dontApplyWithStaleTimestamp() throws Exception {
AttributesMap attributes = new AttributesMap();
attributes.add("foo", new ValueInt(1337l));
attributes.add("timestamp", (ValueTime) testTime.subtract(new ValueDuration(freshnessPeriod + 100)));
attributes.add("name", new ValueString("new"));
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/new", attributes);
stanik.handleTyped(message);
assertFalse(stanik.getHierarchy().descendantExists(new PathName("/new")));
}
@Test
public void zoneRemovedAfterFreshnessPeriod() throws Exception {
AttributesMap attributes = new AttributesMap();
attributes.add("foo", new ValueInt(1337l));
attributes.add("timestamp", testTime);
attributes.add("name", new ValueString("new"));
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/new", attributes);
stanik.handleTyped(message);
Thread.sleep(freshnessPeriod + 100);
AttributesMap attributes2 = new AttributesMap();
attributes2.add("timestamp", ValueUtils.currentTime());
UpdateAttributesMessage message2 = new UpdateAttributesMessage("test_msg", 0, "/", attributes2);
stanik.handleTyped(message2);
GetStateMessage getStateMessage = new GetStateMessage("", 0, ModuleType.TEST, 0);
stanik.handleTyped(getStateMessage);
StateMessage newReceivedMessage = (StateMessage) executor.messagesToPass.poll();
assertNotNull(newReceivedMessage);
assertFalse(newReceivedMessage.getZMI().descendantExists(new PathName("/new")));
assertFalse(stanik.getHierarchy().descendantExists(new PathName("/new")));
}
@Test
public void addQuery() throws Exception {
HashMap<Attribute, ValueQuery> queries = new HashMap<Attribute, ValueQuery>();
queries.put(new Attribute("&query"), new ValueQuery("SELECT 1 AS one", 42l));
UpdateQueriesMessage message = new UpdateQueriesMessage("test_msg", 0, queries);
System.out.println(message);
stanik.handleTyped(message);
HashMap<Attribute, ValueQuery> actualQueries = stanik.getQueries();
assertEquals(3, TestUtil.iterableSize(actualQueries.keySet()));
assertTrue(actualQueries.containsKey(new Attribute("&query")));
ValueQuery timestampedQuery = actualQueries.get(new Attribute("&query"));
assertEquals(42l, timestampedQuery.getTimestamp());
assertEquals("SELECT 1 AS one", timestampedQuery.getCode());
}
@Test
public void updateQueries() throws Exception {
HashMap<Attribute, ValueQuery> queries = new HashMap<Attribute, ValueQuery>();
queries.put(new Attribute("&query1"), new ValueQuery("SELECT 1 AS one", 42l));
queries.put(new Attribute("&query3"), new ValueQuery("SELECT 23 AS x", 43l));
queries.put(new Attribute("&query4"), new ValueQuery("SELECT 1000 AS foo", 43l));
UpdateQueriesMessage message = new UpdateQueriesMessage("test_msg", 0, queries);
stanik.handleTyped(message);
HashMap<Attribute, ValueQuery> otherQueries = new HashMap<Attribute, ValueQuery>();
otherQueries.put(new Attribute("&query1"), new ValueQuery("SELECT 2 AS one", 41l));
otherQueries.put(new Attribute("&query2"), new ValueQuery("SELECT 42 AS answer", 39l));
otherQueries.put(new Attribute("&query3"), new ValueQuery("SELECT 17 AS y", 44l));
UpdateQueriesMessage otherMessage = new UpdateQueriesMessage("test_msg", 0, otherQueries);
stanik.handleTyped(otherMessage);
HashMap<Attribute, ValueQuery> actualQueries = stanik.getQueries();
assertEquals(6, TestUtil.iterableSize(actualQueries.keySet()));
assertTrue(actualQueries.containsKey(new Attribute("&query1")));
assertTrue(actualQueries.containsKey(new Attribute("&query2")));
assertTrue(actualQueries.containsKey(new Attribute("&query3")));
assertTrue(actualQueries.containsKey(new Attribute("&query4")));
ValueQuery timestampedQuery1 = actualQueries.get(new Attribute("&query1"));
assertEquals(42l, timestampedQuery1.getTimestamp());
assertEquals("SELECT 1 AS one", timestampedQuery1.getCode());
ValueQuery timestampedQuery2 = actualQueries.get(new Attribute("&query2"));
assertEquals(39l, timestampedQuery2.getTimestamp());
assertEquals("SELECT 42 AS answer", timestampedQuery2.getCode());
ValueQuery timestampedQuery3 = actualQueries.get(new Attribute("&query3"));
assertEquals(44l, timestampedQuery3.getTimestamp());
assertEquals("SELECT 17 AS y", timestampedQuery3.getCode());
ValueQuery timestampedQuery4 = actualQueries.get(new Attribute("&query4"));
assertEquals(43l, timestampedQuery4.getTimestamp());
assertEquals("SELECT 1000 AS foo", timestampedQuery4.getCode());
}
@Test
public void removeZMI() 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", testTime);
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/new", attributes);
stanik.handleTyped(message);
RemoveZMIMessage removeMessage = new RemoveZMIMessage("test_msg2", 0, "/new", (ValueTime) testTime.addValue(new ValueDuration(1l)));
stanik.handleTyped(removeMessage);
assertFalse(stanik.getHierarchy().descendantExists(new PathName("/new")));
}
@Test
public void dontRemoveZMIIfTimestampOlder() 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", testTime);
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/new", attributes);
stanik.handleTyped(message);
RemoveZMIMessage removeMessage = new RemoveZMIMessage("test_msg2", 0, "/new", (ValueTime) testTime.subtract(new ValueDuration(1l)));
stanik.handleTyped(removeMessage);
stanik.getHierarchy().findDescendant("/new");
}
@Test
public void setOldAttribute() throws Exception {
AttributesMap attributes = new AttributesMap();
attributes.add("foo", new ValueInt(1337l));
attributes.add("name", new ValueString("new"));
attributes.add("timestamp", testTime);
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/new", attributes);
stanik.handleTyped(message);
SetAttributeMessage setMessage = new SetAttributeMessage("test_msg2", 0, "/new", new Attribute("foo"), new ValueInt(43l), (ValueTime) testTime.subtract(new ValueDuration(1l)));
stanik.handleTyped(setMessage);
AttributesMap actualAttributes = stanik.getHierarchy().findDescendant("/new").getAttributes();
assertEquals(3, TestUtil.iterableSize(actualAttributes));
assertEquals(new ValueInt(43l), actualAttributes.getOrNull("foo"));
assertEquals(testTime, actualAttributes.getOrNull("timestamp"));
}
@Test
public void setOldAttribute2() throws Exception {
AttributesMap attributes = new AttributesMap();
attributes.add("foo", new ValueInt(1337l));
attributes.add("name", new ValueString("new"));
attributes.add("timestamp", testTime);
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/new", attributes);
stanik.handleTyped(message);
ValueTime newTime = (ValueTime) testTime.addValue(new ValueDuration(1l));
SetAttributeMessage setMessage = new SetAttributeMessage("test_msg2", 0, "/new", new Attribute("foo"), new ValueInt(43l), newTime);
stanik.handleTyped(setMessage);
AttributesMap actualAttributes = stanik.getHierarchy().findDescendant("/new").getAttributes();
assertEquals(3, TestUtil.iterableSize(actualAttributes));
assertEquals(new ValueInt(43l), actualAttributes.getOrNull("foo"));
assertEquals(newTime, actualAttributes.getOrNull("timestamp"));
}
@Test
public void setNewAttribute() throws Exception {
AttributesMap attributes = new AttributesMap();
attributes.add("foo", new ValueInt(1337l));
attributes.add("name", new ValueString("new"));
attributes.add("timestamp", testTime);
UpdateAttributesMessage message = new UpdateAttributesMessage("test_msg", 0, "/new", attributes);
stanik.handleTyped(message);
ValueTime newTime = (ValueTime) testTime.addValue(new ValueDuration(1l));
SetAttributeMessage setMessage = new SetAttributeMessage("test_msg2", 0, "/new", new Attribute("bar"), new ValueInt(43l), newTime);
stanik.handleTyped(setMessage);
AttributesMap actualAttributes = stanik.getHierarchy().findDescendant("/new").getAttributes();
assertEquals(4, TestUtil.iterableSize(actualAttributes));
assertEquals(new ValueInt(1337l), actualAttributes.getOrNull("foo"));
assertEquals(new ValueInt(43l), actualAttributes.getOrNull("bar"));
assertEquals(newTime, actualAttributes.getOrNull("timestamp"));
}
}
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