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NullAcceptanceTest.scala
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NullAcceptanceTest.scala
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/*
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.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.internal.cypher.acceptance
import org.neo4j.cypher.{ExecutionEngineFunSuite, NewPlannerTestSupport}
class NullAcceptanceTest extends ExecutionEngineFunSuite with NewPlannerTestSupport {
val anyNull: AnyRef = null.asInstanceOf[AnyRef]
// TCK'd
test("null nodes should be silently ignored when setting property") {
// Given empty database
// When
val result = updateWithBothPlannersAndCompatibilityMode("OPTIONAL MATCH (a:DoesNotExist) SET a.prop = 42 RETURN a")
// Then doesn't throw
result.toList
}
// TCK'd
test("null nodes should be silently ignored when remove property") {
// Given empty database
// When
val result = updateWithBothPlannersAndCompatibilityMode("OPTIONAL MATCH (a:DoesNotExist) REMOVE a.prop RETURN a")
// Then doesn't throw
result.toList
}
// TCK'd
test("null nodes should be silently ignored when setting property with +=") {
// Given empty database
// When
val result = updateWithBothPlanners("OPTIONAL MATCH (a:DoesNotExist) SET a += {prop: 42} RETURN a")
// Then doesn't throw
result.toList
}
// TCK'd
test("null nodes should be silently ignored when setting property with =") {
// Given empty database
// When
val result = updateWithBothPlanners("OPTIONAL MATCH (a:DoesNotExist) SET a = {prop: 42} RETURN a")
// Then doesn't throw
result.toList
}
// TCK'd
test("null nodes should be silently ignored when setting label") {
// Given empty database
// When
val result = updateWithBothPlanners("OPTIONAL MATCH (a:DoesNotExist) SET a:L RETURN a")
// Then doesn't throw
result.toList
}
// TCK'd
test("null nodes should be silently ignored when removing label") {
// Given empty database
// When
val result = updateWithBothPlanners("OPTIONAL MATCH (a:DoesNotExist) REMOVE a:L RETURN a")
// Then doesn't throw
result.toList
}
// TCK'd
test("null nodes should be silently ignored when deleting nodes") {
// Given empty database
// When
val result = updateWithBothPlannersAndCompatibilityMode("OPTIONAL MATCH (a:DoesNotExist) DELETE a RETURN a")
// Then doesn't throw
result.toList
}
// TCK'd
test("null relationships should be silently ignored when deleting relationships") {
// Given empty database
// When
val result = updateWithBothPlannersAndCompatibilityMode("OPTIONAL MATCH ()-[r:DoesNotExist]-() DELETE r RETURN r")
// Then doesn't throw
result.toList
}
val expressions = Seq(
"round(null)",
"floor(null)",
"ceil(null)",
"abs(null)",
"acos(null)",
"asin(null)",
"atan(null)",
"cos(null)",
"cot(null)",
"exp(null)",
"log(null)",
"log10(null)",
"sin(null)",
"tan(null)",
"haversin(null)",
"sqrt(null)",
"sign(null)",
"radians(null)",
"atan2(null, 0.3)",
"atan2(0.3, null)",
"null in [1,2,3]",
"2 in null",
"null in null",
"ANY(x in NULL WHERE x = 42)"
)
expressions.foreach { expression =>
test(expression) {
executeScalar[Any]("RETURN " + expression) should equal(anyNull)
}
}
}