/*
* 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.scalar;
import io.crate.metadata.FunctionImplementation;
import io.crate.metadata.Functions;
import io.crate.metadata.Scalar;
import io.crate.operation.Input;
import io.crate.planner.symbol.Function;
import io.crate.planner.symbol.Literal;
import io.crate.planner.symbol.Symbol;
import io.crate.types.DataTypes;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.common.inject.ModulesBuilder;
import org.junit.Before;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
import static io.crate.testing.TestingHelpers.assertLiteralSymbol;
import static io.crate.testing.TestingHelpers.createFunction;
import static io.crate.testing.TestingHelpers.createReference;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
public class FormatFunctionTest {
private Functions functions;
@Before
public void setUp() {
functions = new ModulesBuilder()
.add(new ScalarFunctionModule()).createInjector().getInstance(Functions.class);
}
@Test
@SuppressWarnings("unchecked")
public void testNormalizeSymbol() throws Exception {
List<Symbol> args = Arrays.<Symbol>asList(
Literal.newLiteral("%tY"),
Literal.newLiteral(DataTypes.TIMESTAMP, DataTypes.TIMESTAMP.value("2014-03-02")));
Function function = createFunction(FormatFunction.NAME, DataTypes.STRING, args);
FunctionImplementation format = functions.get(function.info().ident());
Symbol result = format.normalizeSymbol(function);
assertLiteralSymbol(result, "2014");
}
@Test
@SuppressWarnings("unchecked")
public void testEvaluate() throws Exception {
final Literal<BytesRef> formatString = Literal.newLiteral("%s bla %s");
List<Symbol> args = Arrays.<Symbol>asList(
formatString,
createReference("name", DataTypes.STRING),
createReference("age", DataTypes.LONG)
);
Function function = createFunction(FormatFunction.NAME, DataTypes.STRING, args);
Scalar<BytesRef, Object> format = (Scalar<BytesRef, Object>) functions.get(function.info().ident());
Input<Object> arg1 = new Input<Object>() {
@Override
public Object value() {
return formatString.value();
}
};
Input<Object> arg2 = new Input<Object>() {
@Override
public Object value() {
return "Arthur";
}
};
Input<Object> arg3 = new Input<Object>() {
@Override
public Object value() {
return 38L;
}
};
BytesRef result = format.evaluate(arg1, arg2, arg3);
assertThat(result.utf8ToString(), is("Arthur bla 38"));
arg1 = new Input<Object>() {
@Override
public Object value() {
return formatString.value();
}
};
arg2 = new Input<Object>() {
@Override
public Object value() {
return new BytesRef("Arthur");
}
};
arg3 = new Input<Object>() {
@Override
public Object value() {
return 42L;
}
};
result = format.evaluate(arg1, arg2, arg3);
assertThat(result.utf8ToString(), is("Arthur bla 42"));
}
}