/*
* 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.interpreter;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Properties;
import org.apache.commons.lang.NullArgumentException;
import org.apache.zeppelin.conf.ZeppelinConfiguration;
import org.apache.zeppelin.conf.ZeppelinConfiguration.ConfVars;
import org.apache.zeppelin.interpreter.mock.MockInterpreter1;
import org.apache.zeppelin.interpreter.mock.MockInterpreter2;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class InterpreterFactoryTest {
private InterpreterFactory factory;
private File tmpDir;
private ZeppelinConfiguration conf;
private InterpreterContext context;
@Before
public void setUp() throws Exception {
tmpDir = new File(System.getProperty("java.io.tmpdir")+"/ZeppelinLTest_"+System.currentTimeMillis());
tmpDir.mkdirs();
new File(tmpDir, "conf").mkdirs();
MockInterpreter1.register("mock1", "org.apache.zeppelin.interpreter.mock.MockInterpreter1");
MockInterpreter2.register("mock2", "org.apache.zeppelin.interpreter.mock.MockInterpreter2");
System.setProperty(ConfVars.ZEPPELIN_HOME.getVarName(), tmpDir.getAbsolutePath());
System.setProperty(ConfVars.ZEPPELIN_INTERPRETERS.getVarName(), "org.apache.zeppelin.interpreter.mock.MockInterpreter1,org.apache.zeppelin.interpreter.mock.MockInterpreter2");
conf = new ZeppelinConfiguration();
factory = new InterpreterFactory(conf, new InterpreterOption(false), null);
context = new InterpreterContext("note", "id", "title", "text", null, null, null, null);
}
@After
public void tearDown() throws Exception {
delete(tmpDir);
}
private void delete(File file){
if(file.isFile()) file.delete();
else if(file.isDirectory()){
File [] files = file.listFiles();
if(files!=null && files.length>0){
for(File f : files){
delete(f);
}
}
file.delete();
}
}
@Test
public void testBasic() {
List<String> all = factory.getDefaultInterpreterSettingList();
// get interpreter
Interpreter repl1 = factory.get(all.get(0)).getInterpreterGroup().getFirst();
assertFalse(((LazyOpenInterpreter) repl1).isOpen());
repl1.interpret("repl1", context);
assertTrue(((LazyOpenInterpreter) repl1).isOpen());
// try to get unavailable interpreter
assertNull(factory.get("unknown"));
// restart interpreter
factory.restart(all.get(0));
repl1 = factory.get(all.get(0)).getInterpreterGroup().getFirst();
assertFalse(((LazyOpenInterpreter) repl1).isOpen());
}
@Test
public void testFactoryDefaultList() throws IOException {
// get default list from default setting
List<String> all = factory.getDefaultInterpreterSettingList();
assertEquals(2, all.size());
assertEquals(factory.get(all.get(0)).getInterpreterGroup().getFirst().getClassName(), "org.apache.zeppelin.interpreter.mock.MockInterpreter1");
// add setting
factory.add("a mock", "mock2", new InterpreterOption(false), new Properties());
all = factory.getDefaultInterpreterSettingList();
assertEquals(2, all.size());
assertEquals("mock1", factory.get(all.get(0)).getName());
assertEquals("a mock", factory.get(all.get(1)).getName());
}
@Test
public void testExceptions() throws IOException {
List<String> all = factory.getDefaultInterpreterSettingList();
// add setting with null option & properties expected nullArgumentException.class
try {
factory.add("a mock", "mock2", null, new Properties());
} catch(NullArgumentException e) {
assertEquals("Test null option" , e.getMessage(),new NullArgumentException("option").getMessage());
}
try {
factory.add("a mock" , "mock2" , new InterpreterOption(false),null);
} catch (NullArgumentException e){
assertEquals("Test null properties" , e.getMessage(),new NullArgumentException("properties").getMessage());
}
}
@Test
public void testSaveLoad() throws InterpreterException, IOException {
// interpreter settings
assertEquals(2, factory.get().size());
// check if file saved
assertTrue(new File(conf.getInterpreterSettingPath()).exists());
factory.add("newsetting", "mock1", new InterpreterOption(false), new Properties());
assertEquals(3, factory.get().size());
InterpreterFactory factory2 = new InterpreterFactory(conf, null);
assertEquals(3, factory2.get().size());
}
}