/
QueryScriptIT.java
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/
QueryScriptIT.java
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/*
* Copyright 2020 Google LLC
*
* 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.example.bigquery;
import static com.google.common.truth.Truth.assertThat;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class QueryScriptIT {
private ByteArrayOutputStream bout;
private PrintStream out;
@Before
public void setUp() {
bout = new ByteArrayOutputStream();
out = new PrintStream(bout);
System.setOut(out);
}
@After
public void tearDown() {
System.setOut(null);
}
@Test
public void testQueryScript() {
String script =
"-- Declare a variable to hold names as an array.\n"
+ "DECLARE top_names ARRAY<STRING>;\n"
+ "-- Build an array of the top 100 names from the year 2017.\n"
+ "SET top_names = (\n"
+ " SELECT ARRAY_AGG(name ORDER BY number DESC LIMIT 100)\n"
+ " FROM `bigquery-public-data`.usa_names.usa_1910_current\n"
+ " WHERE year = 2017\n"
+ ");\n"
+ "-- Which names appear as words in Shakespeare's plays?\n"
+ "SELECT\n"
+ " name AS shakespeare_name\n"
+ "FROM UNNEST(top_names) AS name\n"
+ "WHERE name IN (\n"
+ " SELECT word\n"
+ " FROM `bigquery-public-data`.samples.shakespeare\n"
+ ");";
QueryScript.queryScript(script);
assertThat(bout.toString()).contains("Query script performed successfully.");
}
}