/*
* 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.operation.reference.sys;
import io.crate.metadata.ReferenceIdent;
import io.crate.metadata.ReferenceInfo;
import io.crate.metadata.TableIdent;
import io.crate.metadata.sys.SysExpression;
import io.crate.planner.RowGranularity;
import io.crate.types.ArrayType;
import io.crate.types.DataTypes;
import org.apache.lucene.util.BytesRef;
import org.junit.Test;
import java.util.Map;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;
public class SysExpressionsBytesRefTest {
static class BytesRefNullSysExpression extends SysExpression<BytesRef> {
@Override
public BytesRef value() {
return null;
}
@Override
public ReferenceInfo info() {
return new ReferenceInfo(new ReferenceIdent(new TableIdent("bla", "blubb"), "foo"), RowGranularity.DOC, DataTypes.STRING);
}
}
static class NullFieldSysObjectReference extends SysObjectReference {
protected NullFieldSysObjectReference() {
childImplementations.put("n", new BytesRefNullSysExpression());
}
@Override
public ReferenceInfo info() {
return new ReferenceInfo(new ReferenceIdent(new TableIdent("bla", "blubb"), "foo"), RowGranularity.DOC, DataTypes.OBJECT);
}
}
static class NullSysObjectArrayReference extends SysStaticObjectArrayReference {
protected NullSysObjectArrayReference() {
childImplementations.add(new NullFieldSysObjectReference());
}
@Override
public ReferenceInfo info() {
return new ReferenceInfo(new ReferenceIdent(new TableIdent("bla", "blubb"), "foo"), RowGranularity.DOC, new ArrayType(DataTypes.STRING));
}
}
@Test
public void testSysObjectReferenceNull() throws Exception {
NullFieldSysObjectReference nullRef = new NullFieldSysObjectReference();
SysExpression n = nullRef.getChildImplementation("n");
assertThat(n, instanceOf(BytesRefNullSysExpression.class));
Map<String, Object> value = nullRef.value();
assertThat(value.size(), is(1));
assertThat(value, hasKey("n"));
assertThat(value.get("n"), is(nullValue()));
}
@Test
public void testSysObjectArrayReferenceNull() throws Exception {
NullSysObjectArrayReference nullArrayRef = new NullSysObjectArrayReference();
Object[] values = nullArrayRef.value();
assertThat(values.length, is(1));
assertThat(values[0], instanceOf(Map.class));
Map<String, Object> mapValue = (Map<String, Object>)values[0];
assertThat(mapValue.size(), is(1));
assertThat(mapValue, hasKey("n"));
assertThat(mapValue.get("n"), is(nullValue()));
}
}