/*
* 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.client;
import com.facebook.presto.spi.type.NamedTypeSignature;
import com.facebook.presto.spi.type.StandardTypes;
import com.facebook.presto.spi.type.TypeSignature;
import com.facebook.presto.spi.type.TypeSignatureParameter;
import com.google.common.collect.ImmutableList;
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 org.testng.Assert.assertEquals;
public class TestClientTypeSignature
{
public static final JsonCodec<ClientTypeSignature> CLIENT_TYPE_SIGNATURE_CODEC;
static {
ObjectMapperProvider provider = new ObjectMapperProvider();
JsonCodecFactory codecFactory = new JsonCodecFactory(provider);
CLIENT_TYPE_SIGNATURE_CODEC = codecFactory.jsonCodec(ClientTypeSignature.class);
}
@Test
public void testJsonRoundTrip()
{
TypeSignature bigint = BIGINT.getTypeSignature();
assertJsonRoundTrip(new ClientTypeSignature(bigint));
assertJsonRoundTrip(new ClientTypeSignature(
"array",
ImmutableList.of(new ClientTypeSignatureParameter(TypeSignatureParameter.of(bigint)))));
assertJsonRoundTrip(new ClientTypeSignature(
"foo",
ImmutableList.of(new ClientTypeSignatureParameter(TypeSignatureParameter.of(42)))));
assertJsonRoundTrip(new ClientTypeSignature(
"row",
ImmutableList.of(
new ClientTypeSignatureParameter(TypeSignatureParameter.of(new NamedTypeSignature("foo", bigint))),
new ClientTypeSignatureParameter(TypeSignatureParameter.of(new NamedTypeSignature("bar", bigint))))));
}
@Test
public void testBackwardsCompatible()
{
ClientTypeSignature signature = new ClientTypeSignature(StandardTypes.ARRAY, ImmutableList.of(new ClientTypeSignatureParameter(TypeSignatureParameter.of(BIGINT.getTypeSignature()))));
ClientTypeSignature legacy = CLIENT_TYPE_SIGNATURE_CODEC.fromJson("{\"rawType\":\"array\",\"literalArguments\":[],\"typeArguments\":[{\"rawType\":\"bigint\",\"literalArguments\":[],\"typeArguments\":[]}]}");
assertEquals(legacy, signature);
}
private static void assertJsonRoundTrip(ClientTypeSignature signature)
{
String json = CLIENT_TYPE_SIGNATURE_CODEC.toJson(signature);
ClientTypeSignature copy = CLIENT_TYPE_SIGNATURE_CODEC.fromJson(json);
assertEquals(copy, signature);
}
}