/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.presto.sql.planner.sanity;
import com.facebook.presto.sql.planner.PlanNodeIdAllocator;
import com.facebook.presto.sql.planner.Symbol;
import com.facebook.presto.sql.planner.plan.Assignments;
import com.facebook.presto.sql.planner.plan.ExplainAnalyzeNode;
import com.facebook.presto.sql.planner.plan.OutputNode;
import com.facebook.presto.sql.planner.plan.PlanNode;
import com.facebook.presto.sql.planner.plan.ProjectNode;
import com.facebook.presto.sql.planner.plan.ValuesNode;
import com.google.common.collect.ImmutableList;
import org.testng.annotations.Test;
public class TestVerifyOnlyOneOutputNode
{
private final PlanNodeIdAllocator idAllocator = new PlanNodeIdAllocator();
@Test
public void testValidateSuccessful()
throws Exception
{
// random seemingly valid plan
PlanNode root =
new OutputNode(idAllocator.getNextId(),
new ProjectNode(idAllocator.getNextId(),
new ValuesNode(
idAllocator.getNextId(), ImmutableList.of(), ImmutableList.of()
),
Assignments.of()
), ImmutableList.of(), ImmutableList.of()
);
new VerifyOnlyOneOutputNode().validate(root, null, null, null, null);
}
@Test(expectedExceptions = IllegalStateException.class)
public void testValidateFailed()
throws Exception
{
// random plan with 2 output nodes
PlanNode root =
new OutputNode(idAllocator.getNextId(),
new ExplainAnalyzeNode(idAllocator.getNextId(),
new OutputNode(idAllocator.getNextId(),
new ProjectNode(idAllocator.getNextId(),
new ValuesNode(
idAllocator.getNextId(), ImmutableList.of(), ImmutableList.of()
),
Assignments.of()
), ImmutableList.of(), ImmutableList.of()
), new Symbol("a")
),
ImmutableList.of(), ImmutableList.of()
);
new VerifyOnlyOneOutputNode().validate(root, null, null, null, null);
}
}