com.facebook.presto.tests.functions.TestArrayFunctions Maven / Gradle / Ivy

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/*
 * 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.tests.functions;

import com.teradata.tempto.ProductTest;
import com.teradata.tempto.query.QueryResult;
import org.testng.annotations.Test;

import static com.facebook.presto.tests.TestGroups.ARRAY_FUNCTIONS;
import static com.google.common.collect.Lists.newArrayList;
import static com.teradata.tempto.assertions.QueryAssert.Row.row;
import static com.teradata.tempto.assertions.QueryAssert.assertThat;
import static com.teradata.tempto.query.QueryExecutor.query;

public class TestArrayFunctions
        extends ProductTest
{
    @Test(groups = ARRAY_FUNCTIONS)
    public void testArrayCreationOperatorAvailable()
    {
        QueryResult queryResult = query("select ARRAY [1,2,3]");
        assertThat(queryResult).containsExactly(row(newArrayList(1, 2, 3)));
    }

    @Test(groups = ARRAY_FUNCTIONS)
    public void testArrayConcatenationOperatorAvailable()
    {
        QueryResult queryResult = query("select ARRAY [1,2] || ARRAY [3]");
        assertThat(queryResult).containsExactly(row(newArrayList(1, 2, 3)));
        queryResult = query("select 1 || ARRAY [2,3]");
        assertThat(queryResult).containsExactly(row(newArrayList(1, 2, 3)));
    }
}