@Test
public void shouldGetConstraintsByLabel() throws Exception {
// given
UniquenessConstraint constraint1 = new UniquenessConstraint(11, 66);
UniquenessConstraint constraint2 = new UniquenessConstraint(11, 99);
TxState txState =
new TxStateImpl(
mock(OldTxStateBridge.class), mock(PersistenceManager.class), mock(IdGeneration.class));
KernelStatement state = mockedState(txState);
when(inner.constraintsGetForLabelAndPropertyKey(10, 66))
.thenAnswer(asAnswer(Collections.emptyList()));
when(inner.constraintsGetForLabelAndPropertyKey(11, 99))
.thenAnswer(asAnswer(Collections.emptyList()));
when(inner.constraintsGetForLabel(10)).thenAnswer(asAnswer(Collections.emptyList()));
when(inner.constraintsGetForLabel(11)).thenAnswer(asAnswer(asIterable(constraint1)));
StateHandlingStatementOperations context = newTxStateOps(inner);
context.uniquenessConstraintCreate(state, 10, 66);
context.uniquenessConstraintCreate(state, 11, 99);
// when
Set<UniquenessConstraint> result = asSet(asIterable(context.constraintsGetForLabel(state, 11)));
// then
assertEquals(asSet(constraint1, constraint2), result);
}
@Test
public void shouldNotAddConstraintAlreadyExistsInTheStore() throws Exception {
// given
UniquenessConstraint constraint = new UniquenessConstraint(10, 66);
TxState txState = mock(TxState.class);
when(txState.nodesWithLabelChanged(anyInt())).thenReturn(DiffSets.<Long>emptyDiffSets());
KernelStatement state = mockedState(txState);
when(inner.constraintsGetForLabelAndPropertyKey(10, 66))
.thenAnswer(asAnswer(asList(constraint)));
StateHandlingStatementOperations context = newTxStateOps(inner);
// when
context.uniquenessConstraintCreate(state, 10, 66);
// then
verify(txState).constraintIndexDoUnRemove(any(IndexDescriptor.class));
}
@Test
public void shouldNeverDelegateWrites() throws Exception {
KernelStatement state = mockedState();
StateHandlingStatementOperations ctx = newTxStateOps(inner);
// When
ctx.indexCreate(state, 0, 0);
ctx.nodeAddLabel(state, 0, 0);
ctx.indexDrop(state, new IndexDescriptor(0, 0));
ctx.nodeRemoveLabel(state, 0, 0);
// These are kind of in between.. property key ids are created in
// micro-transactions, so these methods
// circumvent the normal state of affairs. We may want to rub the
// genius-bumps over this at some point.
// ctx.getOrCreateLabelId("0");
// ctx.getOrCreatePropertyKeyId("0");
verify(inner, times(2)).nodeHasLabel(state, 0, 0);
verifyNoMoreInteractions(inner);
}