/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate licenses
* this file to you 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.planner.projection;
import com.google.common.collect.ImmutableList;
import io.crate.planner.symbol.Symbol;
import io.crate.planner.symbol.Value;
import io.crate.types.DataTypes;
import org.elasticsearch.common.io.stream.BytesStreamInput;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.junit.Test;
import static io.crate.testing.TestingHelpers.createReference;
import static org.junit.Assert.assertEquals;
public class TopNProjectionTest {
@Test
public void testStreaming() throws Exception {
TopNProjection p = new TopNProjection(5, 10,
ImmutableList.<Symbol>of(createReference("foo", DataTypes.BOOLEAN)),
new boolean[]{true},
new Boolean[] { null });
p.outputs(ImmutableList.<Symbol>of(new Value(DataTypes.BOOLEAN), new Value(DataTypes.INTEGER)));
BytesStreamOutput out = new BytesStreamOutput();
Projection.toStream(p, out);
BytesStreamInput in = new BytesStreamInput(out.bytes());
TopNProjection p2 = (TopNProjection) Projection.fromStream(in);
assertEquals(p, p2);
}
}