@Test
public void showsRemovedRelationships() throws Exception {
// Given
state.relationshipDoDelete(1l, 1, 1l, 2l);
state.relationshipDoDelete(2l, 1, 1l, 1l);
when(ops.relationshipGetAllProperties(1l))
.thenReturn(IteratorUtil.<DefinedProperty>emptyIterator());
when(ops.relationshipGetAllProperties(2l))
.thenReturn(asList(Property.stringProperty(1, "p")).iterator());
when(ops.propertyKeyGetName(1)).thenReturn("key");
// When & Then
TxStateTransactionDataSnapshot snapshot = snapshot();
assertThat(idList(snapshot.deletedRelationships()), equalTo(asList(1l, 2l)));
assertThat(single(snapshot.removedRelationshipProperties()).key(), equalTo("key"));
}
@Override
public Iterator<DefinedProperty> relationshipGetAllProperties(
KernelStatement state, long relationshipId) throws EntityNotFoundException {
if (state.hasTxStateWithChanges()) {
if (state.txState().relationshipIsAddedInThisTx(relationshipId)) {
return state.txState().addedAndChangedRelationshipProperties(relationshipId);
}
if (state.txState().relationshipIsDeletedInThisTx(relationshipId)) {
// TODO Throw IllegalStateException to conform with beans API. We may want to introduce
// EntityDeletedException instead and use it instead of returning empty values in similar
// places
throw new IllegalStateException("Relationship " + relationshipId + " has been deleted");
}
return state
.txState()
.augmentRelationshipProperties(
relationshipId, storeLayer.relationshipGetAllProperties(relationshipId));
} else {
return storeLayer.relationshipGetAllProperties(relationshipId);
}
}
@Test
public void correctlySaysRelIsDeleted() throws Exception {
// Given
state.relationshipDoDelete(1l, 1, 1l, 2l);
Relationship rel = mock(Relationship.class);
when(rel.getId()).thenReturn(1l);
when(ops.relationshipGetAllProperties(1l))
.thenReturn(Collections.<DefinedProperty>emptyIterator());
// When & Then
assertThat(snapshot().isDeleted(rel), equalTo(true));
}