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TxCountsTrackingTestSupport.scala
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TxCountsTrackingTestSupport.scala
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.cypher
import org.neo4j.cypher.internal.RewindableExecutionResult
import org.opencypher.v9_0.util.test_helpers.{CypherFunSuite, CypherTestSupport}
trait TxCountsTrackingTestSupport extends CypherTestSupport {
self: CypherFunSuite with GraphDatabaseTestSupport with ExecutionEngineTestSupport =>
def executeAndTrackTxCounts(queryText: String, params: (String, Any)*): (RewindableExecutionResult, TxCounts) = {
val (result, txCounts) = prepareAndTrackTxCounts(execute(queryText, params: _*))
(result, txCounts)
}
def executeScalarAndTrackTxCounts[T](queryText: String, params: (String, Any)*): (T, TxCounts) =
prepareAndTrackTxCounts(executeScalar[T](queryText, params: _*))
def prepareAndTrackTxCounts[T](f: => T): (T, TxCounts) = {
// prepare
f
deleteAllEntities()
val initialTxCounts = graph.txCounts
val result = f
val txCounts = graph.txCounts - initialTxCounts
(result, txCounts)
}
}