io.prestosql.testing.TestingSession Maven / Gradle / Ivy
/*
* 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 io.prestosql.testing;
import com.google.common.collect.ImmutableSet;
import io.prestosql.Session;
import io.prestosql.Session.SessionBuilder;
import io.prestosql.connector.CatalogName;
import io.prestosql.connector.system.StaticSystemTablesProvider;
import io.prestosql.connector.system.SystemTablesMetadata;
import io.prestosql.execution.QueryIdGenerator;
import io.prestosql.metadata.Catalog;
import io.prestosql.metadata.SessionPropertyManager;
import io.prestosql.spi.connector.Connector;
import io.prestosql.spi.connector.ConnectorMetadata;
import io.prestosql.spi.connector.ConnectorTransactionHandle;
import io.prestosql.spi.security.Identity;
import io.prestosql.spi.transaction.IsolationLevel;
import io.prestosql.spi.type.TimeZoneKey;
import io.prestosql.sql.SqlPath;
import java.util.Optional;
import static io.prestosql.connector.CatalogName.createInformationSchemaCatalogName;
import static io.prestosql.connector.CatalogName.createSystemTablesCatalogName;
import static java.util.Locale.ENGLISH;
public final class TestingSession
{
public static final String TESTING_CATALOG = "testing_catalog";
private static final QueryIdGenerator queryIdGenerator = new QueryIdGenerator();
/*
* Pacific/Apia
* - has DST (e.g. January 2017)
* - had DST change at midnight (on Sunday, 26 September 2010, 00:00:00 clocks were turned forward 1 hour)
* - had offset change since 1970 (offset in January 1970: -11:00, offset in January 2017: +14:00, offset in June 2017: +13:00)
* - a whole day was skipped during policy change (on Friday, 30 December 2011, 00:00:00 clocks were turned forward 24 hours)
*/
public static final TimeZoneKey DEFAULT_TIME_ZONE_KEY = TimeZoneKey.getTimeZoneKey("Pacific/Apia");
private TestingSession() {}
public static SessionBuilder testSessionBuilder()
{
return testSessionBuilder(new SessionPropertyManager());
}
public static SessionBuilder testSessionBuilder(SessionPropertyManager sessionPropertyManager)
{
return Session.builder(sessionPropertyManager)
.setQueryId(queryIdGenerator.createNextQueryId())
.setIdentity(Identity.ofUser("user"))
.setSource("test")
.setCatalog("catalog")
.setSchema("schema")
.setPath(new SqlPath(Optional.of("path")))
.setTimeZoneKey(DEFAULT_TIME_ZONE_KEY)
.setLocale(ENGLISH)
.setRemoteUserAddress("address")
.setUserAgent("agent");
}
public static Catalog createBogusTestingCatalog(String catalogName)
{
CatalogName catalog = new CatalogName(catalogName);
return new Catalog(
catalogName,
catalog,
createTestSessionConnector(),
createInformationSchemaCatalogName(catalog),
createTestSessionConnector(),
createSystemTablesCatalogName(catalog),
createTestSessionConnector());
}
private static Connector createTestSessionConnector()
{
return new Connector()
{
@Override
public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean readOnly)
{
return new ConnectorTransactionHandle() {};
}
@Override
public ConnectorMetadata getMetadata(ConnectorTransactionHandle transaction)
{
return new SystemTablesMetadata(new StaticSystemTablesProvider(ImmutableSet.of()));
}
};
}
}