//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = TEST_TIMEOUT) public void timeoutOnAcquiringExclusiveLock() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void TimeoutOnAcquiringExclusiveLock()
{
ExpectedException.expect(new RootCauseMatcher <>(typeof(LockAcquisitionTimeoutException), "The transaction has been terminated. " + "Retry your operation in a new transaction, and you should see a successful result. " + "Unable to acquire lock within configured timeout (dbms.lock.acquisition.timeout). " + "Unable to acquire lock for resource: NODE with id: 0 within 2000 millis."));
using (Transaction ignored = _database.beginTx())
{
ResourceIterator <Node> nodes = _database.findNodes(_marker);
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
Node node = nodes.next();
node.SetProperty(TEST_PROPERTY_NAME, "b");
Future <Void> propertySetFuture = _secondTransactionExecutor.executeDontWait(state =>
{
using (Transaction transaction1 = _database.beginTx())
{
node.SetProperty(TEST_PROPERTY_NAME, "b");
transaction1.success();
}
return(null);
});
_secondTransactionExecutor.waitUntilWaiting(ExclusiveLockWaitingPredicate());
_clockExecutor.execute((OtherThreadExecutor.WorkerCommand <Void, Void>)state =>
{
_fakeClock.forward(3, TimeUnit.SECONDS);
return(null);
});
propertySetFuture.get();
fail("Should throw termination exception.");
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("unchecked") @Test public void shouldExpandOnFirstAccess()
public virtual void ShouldExpandOnFirstAccess()
{
// GIVEN
TraversalBranch parent = mock(typeof(TraversalBranch));
Node source = mock(typeof(Node));
TraversalBranchImpl branch = new TraversalBranchImpl(parent, source);
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("rawtypes") org.neo4j.graphdb.PathExpander expander = mock(org.neo4j.graphdb.PathExpander.class);
PathExpander expander = mock(typeof(PathExpander));
when(expander.expand(eq(branch), any(typeof(BranchState)))).thenReturn(Iterables.emptyResourceIterable());
TraversalContext context = mock(typeof(TraversalContext));
when(context.Evaluate(eq(branch), Null)).thenReturn(INCLUDE_AND_CONTINUE);
// WHEN initializing
branch.Initialize(expander, context);
// THEN the branch should not be expanded
verifyZeroInteractions(source);
// and WHEN actually traversing from it
branch.Next(expander, context);
// THEN we should expand it
verify(expander).expand(any(typeof(Path)), any(typeof(BranchState)));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void pageCacheMetrics() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void PageCacheMetrics()
{
Label testLabel = Label.label("testLabel");
using (Transaction transaction = _database.beginTx())
{
Node node = _database.createNode(testLabel);
node.SetProperty("property", "value");
transaction.Success();
}
using (Transaction ignored = _database.beginTx())
{
ResourceIterator <Node> nodes = _database.findNodes(testLabel);
assertEquals(1, nodes.Count());
}
AssertMetrics("Metrics report should include page cache pins", PC_PINS, greaterThan(0L));
AssertMetrics("Metrics report should include page cache unpins", PC_UNPINS, greaterThan(0L));
AssertMetrics("Metrics report should include page cache evictions", PC_EVICTIONS, greaterThanOrEqualTo(0L));
AssertMetrics("Metrics report should include page cache page faults", PC_PAGE_FAULTS, greaterThan(0L));
AssertMetrics("Metrics report should include page cache hits", PC_HITS, greaterThan(0L));
AssertMetrics("Metrics report should include page cache flushes", PC_FLUSHES, greaterThanOrEqualTo(0L));
AssertMetrics("Metrics report should include page cache exceptions", PC_EVICTION_EXCEPTIONS, equalTo(0L));
assertEventually("Metrics report should include page cache hit ratio", () => readDoubleValue(metricsCsv(_metricsDirectory, PC_HIT_RATIO)), lessThanOrEqualTo(1.0), 5, SECONDS);
assertEventually("Metrics report should include page cache usage ratio", () => readDoubleValue(metricsCsv(_metricsDirectory, PC_USAGE_RATIO)), lessThanOrEqualTo(1.0), 5, SECONDS);
}
protected internal override Traverser InstantiateTraverser(Node start, Node end)
{
GraphDatabaseService db = start.GraphDatabase;
TraversalDescription side = Db.traversalDescription().breadthFirst().uniqueness(_uniqueness).order((startSource, _expander) => new LiteDepthFirstSelector(startSource, _startThreshold, _expander));
return(Db.bidirectionalTraversalDescription().startSide(side.Expand(_expander).evaluator(toDepth(_onDepth / 2))).endSide(side.Expand(_expander.reverse()).evaluator(toDepth(_onDepth - _onDepth / 2))).collisionEvaluator(atDepth(_onDepth)).traverse(start, end));
}
protected internal override Traverser InstantiateTraverser(Node start, Node end)
{
GraphDatabaseService db = start.GraphDatabase;
TraversalDescription sideBase = Db.traversalDescription().breadthFirst().uniqueness(NODE_PATH);
return(Db.bidirectionalTraversalDescription().mirroredSides(sideBase.Expand(_expander)).sideSelector(LEVEL_STOP_DESCENT_ON_RESULT, _maxDepth).collisionEvaluator(toDepth(_maxDepth)).traverse(start, end));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testBidirectionalPath()
public virtual void TestBidirectionalPath()
{
TraversalDescription side = GraphDb.traversalDescription().uniqueness(Uniqueness.NODE_PATH);
BidirectionalTraversalDescription bidirectional = GraphDb.bidirectionalTraversalDescription().mirroredSides(side);
Path bidirectionalPath = GetFirstPath(bidirectional.Traverse(_a, _e));
AssertPathIsCorrect(bidirectionalPath);
Path path = GetFirstPath(bidirectional.Traverse(_a, _e));
Node node = path.StartNode();
assertEquals(_a, node);
// White box testing below: relationships(), nodes(), reverseRelationships(), reverseNodes()
// does cache the start node if not already cached, so just make sure they to it properly.
bidirectionalPath = GetFirstPath(bidirectional.Traverse(_a, _e));
bidirectionalPath.Relationships();
assertEquals(_a, bidirectionalPath.StartNode());
bidirectionalPath = GetFirstPath(bidirectional.Traverse(_a, _e));
bidirectionalPath.Nodes();
assertEquals(_a, bidirectionalPath.StartNode());
bidirectionalPath = GetFirstPath(bidirectional.Traverse(_a, _e));
bidirectionalPath.ReverseRelationships();
assertEquals(_a, bidirectionalPath.StartNode());
bidirectionalPath = GetFirstPath(bidirectional.Traverse(_a, _e));
bidirectionalPath.ReverseNodes();
assertEquals(_a, bidirectionalPath.StartNode());
bidirectionalPath = GetFirstPath(bidirectional.Traverse(_a, _e));
bidirectionalPath.GetEnumerator();
assertEquals(_a, bidirectionalPath.StartNode());
}
private Node CreateNodeWithProperty(Label label, string key, object value)
{
Node node = _db.createNode(label);
node.SetProperty(key, value);
return(node);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = TEST_TIMEOUT) public void timeoutOnAcquiringSharedLock() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void TimeoutOnAcquiringSharedLock()
{
ExpectedException.expect(new RootCauseMatcher <>(typeof(LockAcquisitionTimeoutException), "The transaction has been terminated. " + "Retry your operation in a new transaction, and you should see a successful result. " + "Unable to acquire lock within configured timeout (dbms.lock.acquisition.timeout). " + "Unable to acquire lock for resource: LABEL with id: 1 within 2000 millis."));
using (Transaction ignored = _database.beginTx())
{
Locks lockManger = LockManager;
lockManger.NewClient().acquireExclusive(LockTracer.NONE, ResourceTypes.LABEL, 1);
Future <Void> propertySetFuture = _secondTransactionExecutor.executeDontWait(state =>
{
using (Transaction nestedTransaction = _database.beginTx())
{
ResourceIterator <Node> nodes = _database.findNodes(_marker);
Node node = nodes.next();
node.addLabel(Label.label("anotherLabel"));
nestedTransaction.success();
}
return(null);
});
_secondTransactionExecutor.waitUntilWaiting(SharedLockWaitingPredicate());
_clockExecutor.execute((OtherThreadExecutor.WorkerCommand <Void, Void>)state =>
{
_fakeClock.forward(3, TimeUnit.SECONDS);
return(null);
});
propertySetFuture.get();
fail("Should throw termination exception.");
}
}
protected internal override Traverser InstantiateTraverser(Node start, Node end)
{
// Bidirectional traversal
GraphDatabaseService db = start.GraphDatabase;
TraversalDescription @base = Db.traversalDescription().depthFirst().uniqueness(Uniqueness());
return(Db.bidirectionalTraversalDescription().startSide(@base.Expand(_expander).evaluator(toDepth(_maxDepth / 2))).endSide(@base.Expand(_expander.reverse()).evaluator(toDepth(_maxDepth - _maxDepth / 2))).traverse(start, end));
}
private Relationship GetFistRelationship(Node node)
{
ResourceIterable <Relationship> relationships = (ResourceIterable <Relationship>)node.GetRelationships(Direction.OUTGOING);
using (ResourceIterator <Relationship> iterator = relationships.GetEnumerator())
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
return(iterator.next());
}
}
private void CreateNonUniqueNodes()
{
using (Transaction tx = _db.beginTx())
{
Node originNode = _db.createNode(LABEL);
originNode.SetProperty(KEY, _point1);
Node centerNode = _db.createNode(LABEL);
centerNode.SetProperty(KEY, _point1);
tx.Success();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Before public void setup()
public virtual void Setup()
{
CreateGraph("A TO B", "B TO C", "C TO D", "D TO E");
_tx = BeginTx();
_a = GetNodeWithName("A");
_b = GetNodeWithName("B");
_c = GetNodeWithName("C");
_d = GetNodeWithName("D");
_e = GetNodeWithName("E");
}
private void AssertNodeWith(Label label, string key, object value)
{
using (ResourceIterator <Node> nodes = _db.findNodes(label, key, value))
{
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
assertTrue(nodes.hasNext());
//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
Node foundNode = nodes.next();
assertTrue(foundNode.HasLabel(label));
assertEquals(value, foundNode.GetProperty(key));
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = TEST_TIMEOUT) public void readOwnChangesWithoutIndex()
public virtual void ReadOwnChangesWithoutIndex()
{
// WHEN
using (Transaction tx = _db.beginTx())
{
Node node = _db.createNode(_label);
node.SetProperty(PROPERTY_KEY, VALUE_1);
AssertNodeWith(_label, PROPERTY_KEY, VALUE_1);
tx.Success();
}
AssertInTxNodeWith(_label, PROPERTY_KEY, VALUE_1);
}
private Pair <long, long> CreateUniqueNodes()
{
Pair <long, long> nodeIds;
using (Transaction tx = _db.beginTx())
{
Node originNode = _db.createNode(LABEL);
originNode.SetProperty(KEY, _point1);
Node centerNode = _db.createNode(LABEL);
centerNode.SetProperty(KEY, _point2);
nodeIds = Pair.of(originNode.Id, centerNode.Id);
tx.Success();
}
return(nodeIds);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void reverseRelationships()
public virtual void ReverseRelationships()
{
Traverser traverser = GraphDb.traversalDescription().evaluator(atDepth(0)).traverse(_a);
Path path = GetFirstPath(traverser);
assertFalse(path.ReverseRelationships().GetEnumerator().hasNext());
Traverser traverser2 = GraphDb.traversalDescription().evaluator(atDepth(4)).traverse(_a);
Path path2 = GetFirstPath(traverser2);
Node[] expectedNodes = new Node[] { _e, _d, _c, _b, _a };
int index = 0;
foreach (Relationship rel in path2.ReverseRelationships())
{
assertEquals("For index " + index, expectedNodes[index++], rel.EndNode);
}
assertEquals(4, index);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void ensureCorrectPathEntitiesInShortPath()
public virtual void EnsureCorrectPathEntitiesInShortPath()
{
/*
* (a)-->(b)
*/
CreateGraph("a TO b");
Node a = GetNodeWithName("a");
Node b = GetNodeWithName("b");
Relationship r = a.GetSingleRelationship(To, OUTGOING);
Path path = Iterables.single(GraphDb.bidirectionalTraversalDescription().mirroredSides(GraphDb.traversalDescription().relationships(To, OUTGOING).uniqueness(NODE_PATH)).collisionEvaluator(Evaluators.atDepth(1)).sideSelector(SideSelectorPolicies.LEVEL, 1).traverse(a, b));
AssertContainsInOrder(path.Nodes(), a, b);
AssertContainsInOrder(path.ReverseNodes(), b, a);
AssertContainsInOrder(path.Relationships(), r);
AssertContainsInOrder(path.ReverseRelationships(), r);
AssertContainsInOrder(path, a, r, b);
assertEquals(a, path.StartNode());
assertEquals(b, path.EndNode());
assertEquals(r, path.LastRelationship());
}
private void AssertPathIsCorrect(Path path)
{
Node a = Node("A");
Relationship to1 = GetFistRelationship(a);
Node b = to1.EndNode;
Relationship to2 = GetFistRelationship(b);
Node c = to2.EndNode;
Relationship to3 = GetFistRelationship(c);
Node d = to3.EndNode;
Relationship to4 = GetFistRelationship(d);
Node e = to4.EndNode;
assertEquals(( int? )4, ( int? )path.Length());
assertEquals(a, path.StartNode());
assertEquals(e, path.EndNode());
assertEquals(to4, path.LastRelationship());
AssertContainsInOrder(path, a, to1, b, to2, c, to3, d, to4, e);
AssertContainsInOrder(path.Nodes(), a, b, c, d, e);
AssertContainsInOrder(path.Relationships(), to1, to2, to3, to4);
AssertContainsInOrder(path.ReverseNodes(), e, d, c, b, a);
AssertContainsInOrder(path.ReverseRelationships(), to4, to3, to2, to1);
}
public TraversalBranchWithState(TraversalBranch parent, int depth, Node source, Relationship toHere, object inheritedState) : base(parent, depth, source, toHere)
{
this.StateForMe = this.StateForChildren = inheritedState;
}
protected internal override TraversalBranch NewNextBranch(Node node, Relationship relationship)
{
return(new TraversalBranchWithState(this, Length() + 1, node, relationship, StateForChildren));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(timeout = TEST_TIMEOUT) public void removeNodeChangeNodeProperty() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void RemoveNodeChangeNodeProperty()
{
// GIVEN
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.test.Barrier_Control barrier = new org.neo4j.test.Barrier_Control();
Org.Neo4j.Test.Barrier_Control barrier = new Org.Neo4j.Test.Barrier_Control();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final long nodeId;
long nodeId;
using (Transaction tx = _db.beginTx())
{
Node node = _db.createNode();
nodeId = node.Id;
node.SetProperty(PROPERTY_KEY, VALUE_1);
tx.Success();
}
// WHEN
Future <Void> future = T2.execute(state =>
{
using (Transaction tx = _db.beginTx())
{
_db.getNodeById(nodeId).delete();
tx.Success();
barrier.Reached();
}
return(null);
});
try
{
using (Transaction tx = _db.beginTx())
{
barrier.Await();
_db.getNodeById(nodeId).setProperty(PROPERTY_KEY, VALUE_2);
tx.Success();
barrier.Release();
}
}
catch (TransactionFailureException e)
{
// Node was already deleted, fine.
assertThat(e.InnerException, instanceOf(typeof(InvalidRecordException)));
}
future.get();
using (Transaction tx = _db.beginTx())
{
try
{
_db.getNodeById(nodeId);
assertEquals(VALUE_2, _db.getNodeById(nodeId).getProperty(PROPERTY_KEY, VALUE_2));
}
catch (NotFoundException)
{
// Fine, its gone
}
tx.Success();
}
}
public TraversalBranchWithState(TraversalBranch parent, Node source, InitialBranchState initialState) : base(parent, source)
{
this.StateForMe = this.StateForChildren = initialState.initialState(this);
}
protected internal override TraversalBranch NewNextBranch(Node node, Relationship relationship)
{
return(_initialState != InitialBranchState.NO_STATE ? new TraversalBranchWithState(this, 1, node, relationship, StateForChildren) : new TraversalBranchImpl(this, 1, node, relationship));
}
internal StartNodeTraversalBranch(TraversalContext context, TraversalBranch parent, Node source, InitialBranchState initialState) : base(parent, source, initialState)
{
this._initialState = initialState;
Evaluate(context);
context.IsUniqueFirst(this);
}
internal bool Accept(Org.Neo4j.Graphdb.Node start, Org.Neo4j.Graphdb.Relationship rel)
{
return(MatchDirection(_direction, start, rel));
}
