/*
* 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.metadata;
import com.facebook.presto.spi.type.Type;
import com.facebook.presto.type.TypeDeserializer;
import com.facebook.presto.type.TypeRegistry;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import io.airlift.json.JsonCodec;
import io.airlift.json.JsonCodecFactory;
import io.airlift.json.ObjectMapperProvider;
import org.testng.annotations.Test;
import static com.facebook.presto.spi.type.BigintType.BIGINT;
import static com.facebook.presto.spi.type.BooleanType.BOOLEAN;
import static com.facebook.presto.spi.type.DoubleType.DOUBLE;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static org.testng.Assert.assertEquals;
public class TestSignature
{
@Test
public void testRoundTrip()
{
ObjectMapperProvider objectMapperProvider = new ObjectMapperProvider();
objectMapperProvider.setJsonDeserializers(ImmutableMap.<Class<?>, JsonDeserializer<?>>of(Type.class, new TypeDeserializer(new TypeRegistry())));
JsonCodec<Signature> codec = new JsonCodecFactory(objectMapperProvider, true).jsonCodec(Signature.class);
Signature expected = new Signature("function", BIGINT, ImmutableList.of(BOOLEAN, DOUBLE, VARCHAR), false);
String json = codec.toJson(expected);
Signature actual = codec.fromJson(json);
assertEquals(actual.getName(), expected.getName());
assertEquals(actual.getReturnType(), expected.getReturnType());
assertEquals(actual.getArgumentTypes(), expected.getArgumentTypes());
assertEquals(actual.isApproximate(), expected.isApproximate());
}
}