io.trino.tests.product.blackhole.TestBlackHoleConnector 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.trino.tests.product.blackhole;
import io.trino.tempto.query.QueryResult;
import org.testng.annotations.Test;
import java.util.UUID;
import static io.trino.tempto.assertions.QueryAssert.Row.row;
import static io.trino.tests.product.utils.QueryExecutors.onTrino;
import static java.lang.String.format;
import static org.assertj.core.api.Assertions.assertThat;
public class TestBlackHoleConnector
{
@Test
public void blackHoleConnector()
{
String nullTable = "\"blackhole\".default.nation_" + UUID.randomUUID().toString().replace("-", "");
String table = "tpch.tiny.nation";
assertThat(onTrino().executeQuery(format("SELECT count(*) from %s", table))).containsExactlyInOrder(row(25));
QueryResult result = onTrino().executeQuery(format("CREATE TABLE %s AS SELECT * FROM %s", nullTable, table));
try {
assertThat(result).updatedRowsCountIsEqualTo(25);
assertThat(onTrino().executeQuery(format("INSERT INTO %s SELECT * FROM %s", nullTable, table)))
.updatedRowsCountIsEqualTo(25);
assertThat(onTrino().executeQuery(format("SELECT * FROM %s", nullTable))).hasNoRows();
}
finally {
onTrino().executeQuery(format("DROP TABLE %s", nullTable));
}
}
}