CtasTest.java

/*
 * Copyright 2013 Klarna AB
 *
 * 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.klarna.hiverunner;

import com.klarna.hiverunner.annotations.HiveResource;
import com.klarna.hiverunner.annotations.HiveSQL;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;

import java.util.Arrays;
import java.util.List;

@RunWith(StandaloneHiveRunner.class)
public class CtasTest {

    @HiveResource(targetFile = "${hiveconf:hadoop.tmp.dir}/foo/data.csv")
    private String data = "A,B\nC,D\nE,F";

    @HiveSQL(files = {"ctasTest/ctas.sql"})
    private HiveShell hiveShell;

    @Test
    public void tablesShouldBeCreated() {
        List<String> expected = Arrays.asList("foo", "foo_prim");
        List<String> actual = hiveShell.executeQuery("show tables");
        Assert.assertEquals(expected, actual);
    }

    @Test
    public void verifyThatDataIsAvailableInCtas() {
        List<String> expected = Arrays.asList("A\tB", "C\tD", "E\tF");
        List<String> actual = hiveShell.executeQuery("select * from foo_prim");
        Assert.assertEquals(expected, actual);
    }

    @Test
    public void testCountCtas() {
        List<String> expected = Arrays.asList("3");
        List<String> actual = hiveShell.executeQuery("select count(*) from foo_prim");
        Assert.assertEquals(expected, actual);
    }

}