Examples with TransactionState org.neo4j.kernel.api.txstate.TransactionState used on opensource projects

Example 16 with TransactionState

use of org.neo4j.kernel.api.txstate.TransactionState in project neo4j by neo4j.

the class StateHandlingStatementOperationsTest method shouldConsiderTransactionStateDuringIndexBetweenRangeSeekByNumberWithIndexQuery.

@SuppressWarnings("unchecked")
@Test
public void shouldConsiderTransactionStateDuringIndexBetweenRangeSeekByNumberWithIndexQuery() throws Exception {
    // Given
    final int propertyKey = 2;
    final int inRange = 15;
    int lower = 10;
    int upper = 20;
    TransactionState txState = mock(TransactionState.class);
    KernelStatement statement = mock(KernelStatement.class);
    when(statement.hasTxStateWithChanges()).thenReturn(true);
    when(statement.txState()).thenReturn(txState);
    StorageStatement storageStatement = mock(StorageStatement.class);
    when(statement.getStoreStatement()).thenReturn(storageStatement);
    when(txState.indexUpdatesForRangeSeekByNumber(index, lower, true, upper, false)).thenReturn(new DiffSets<>(Collections.singleton(42L), Collections.singleton(44L)));
    when(txState.addedAndRemovedNodes()).thenReturn(new DiffSets<>(Collections.singleton(45L), Collections.singleton(46L)));
    StoreReadLayer storeReadLayer = mock(StoreReadLayer.class);
    when(txState.augmentSingleNodeCursor(any(Cursor.class), anyLong())).thenAnswer(invocationOnMock -> {
        long nodeId = (long) invocationOnMock.getArguments()[1];
        when(txState.augmentSinglePropertyCursor(any(Cursor.class), any(PropertyContainerState.class), eq(propertyKey))).thenReturn(asPropertyCursor(intProperty(propertyKey, inRange)));
        return asNodeCursor(nodeId, nodeId + 20000);
    });
    IndexReader indexReader = addMockedIndexReader(storageStatement);
    IndexQuery.NumberRangePredicate indexQuery = IndexQuery.range(index.schema().getPropertyId(), lower, true, upper, false);
    when(indexReader.query(indexQuery)).thenReturn(PrimitiveLongCollections.resourceIterator(PrimitiveLongCollections.iterator(43L, 44L, 46L), null));
    when(storageStatement.acquireSingleNodeCursor(anyLong())).thenAnswer(invocationOnMock -> {
        long nodeId = (long) invocationOnMock.getArguments()[0];
        when(storeReadLayer.nodeGetProperty(eq(storageStatement), any(NodeItem.class), eq(propertyKey))).thenReturn(asPropertyCursor(intProperty(propertyKey, inRange)));
        return asNodeCursor(nodeId, nodeId + 20000);
    });
    StateHandlingStatementOperations context = newTxStateOps(storeReadLayer);
    // When
    PrimitiveLongIterator results = context.indexQuery(statement, index, indexQuery);
    // Then
    assertEquals(asSet(42L, 43L), PrimitiveLongCollections.toSet(results));
}