/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.zeppelin.tajo;
import org.apache.tajo.jdbc.TajoDriver;
import org.apache.zeppelin.interpreter.InterpreterResult;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.lang.reflect.Constructor;
import java.util.Properties;
import static org.junit.Assert.*;
/**
* Tajo interpreter unit tests
*/
public class TajoInterpreterTest {
@Before
public void setUp() throws Exception {
}
@After
public void tearDown() throws Exception {
}
@Test
public void testTajoInterpreter() throws Exception {
TajoInterpreter t = new TesterTajoInterpreter(new Properties());
t.open();
// check tajo jdbc driver
Class clazz = Class.forName(t.TAJO_DRIVER_NAME);
assertNotNull(clazz);
Constructor cons = clazz.getConstructor(new Class[]{});
TajoDriver driver = (TajoDriver) cons.newInstance();
assertTrue(driver.acceptsURL("jdbc:tajo:"));
assertFalse(driver.acceptsURL("jdbc:taju:"));
// simple select test
InterpreterResult result = t.interpret("select * from t", null);
assertEquals(result.type(), InterpreterResult.Type.TABLE);
// explain test
result = t.interpret("explain select * from t", null);
assertEquals(result.type(), InterpreterResult.Type.TEXT);
t.close();
}
}