/*
* 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.example;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.io.Resources;
import org.testng.annotations.Test;
import java.net.URI;
import java.net.URL;
import static com.facebook.presto.example.MetadataUtil.CATALOG_CODEC;
import static com.facebook.presto.spi.type.BigintType.BIGINT;
import static com.facebook.presto.spi.type.VarcharType.createUnboundedVarcharType;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNotNull;
public class TestExampleClient
{
@Test
public void testMetadata()
throws Exception
{
URL metadataUrl = Resources.getResource(TestExampleClient.class, "/example-data/example-metadata.json");
assertNotNull(metadataUrl, "metadataUrl is null");
URI metadata = metadataUrl.toURI();
ExampleClient client = new ExampleClient(new ExampleConfig().setMetadata(metadata), CATALOG_CODEC);
assertEquals(client.getSchemaNames(), ImmutableSet.of("example", "tpch"));
assertEquals(client.getTableNames("example"), ImmutableSet.of("numbers"));
assertEquals(client.getTableNames("tpch"), ImmutableSet.of("orders", "lineitem"));
ExampleTable table = client.getTable("example", "numbers");
assertNotNull(table, "table is null");
assertEquals(table.getName(), "numbers");
assertEquals(table.getColumns(), ImmutableList.of(new ExampleColumn("text", createUnboundedVarcharType()), new ExampleColumn("value", BIGINT)));
assertEquals(table.getSources(), ImmutableList.of(metadata.resolve("numbers-1.csv"), metadata.resolve("numbers-2.csv")));
}
}