| /* |
| * 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.mongodb; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Properties; |
| import java.util.Scanner; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.zeppelin.interpreter.InterpreterContext; |
| import org.apache.zeppelin.interpreter.InterpreterOutput; |
| import org.apache.zeppelin.interpreter.InterpreterOutputListener; |
| import org.apache.zeppelin.interpreter.InterpreterResult; |
| import org.apache.zeppelin.interpreter.InterpreterResult.Code; |
| import org.apache.zeppelin.interpreter.InterpreterResultMessageOutput; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertEquals; |
| /** |
| * As there is no 'mongo' on the build platform, these tests simulates some basic behavior. |
| * |
| */ |
| public class MongoDbInterpreterTest implements InterpreterOutputListener { |
| |
| private static final String SHELL_EXTENSION = |
| new Scanner(MongoDbInterpreter.class.getResourceAsStream("/shell_extension.js"), "UTF-8") |
| .useDelimiter("\\A").next(); |
| |
| private static final boolean IS_WINDOWS = System.getProperty("os.name") |
| .startsWith("Windows"); |
| |
| private static final String MONGO_SHELL = System.getProperty("java.io.tmpdir") + |
| (System.getProperty("java.io.tmpdir").endsWith(File.separator) ? StringUtils.EMPTY : File.separator) |
| + "zeppelin-mongo-scripts"+ File.separator +"mongo-test." + (IS_WINDOWS ? "bat" : "sh"); |
| |
| private final Properties props = new Properties(); |
| private final MongoDbInterpreter interpreter = new MongoDbInterpreter(props); |
| private final InterpreterOutput out = new InterpreterOutput(this); |
| |
| private final InterpreterContext context = InterpreterContext.builder().setNoteId("test") |
| .setInterpreterOut(out).setNoteId("test").setParagraphId("test").build(); |
| |
| private ByteBuffer buffer; |
| |
| @BeforeClass |
| public static void setup() { |
| // Create a fake 'mongo' |
| final File mongoFile = new File(MONGO_SHELL); |
| try { |
| FileUtils.write(mongoFile, (IS_WINDOWS ? "@echo off\ntype \"%3%\"" : "cat \"$3\"")); |
| FileUtils.forceDeleteOnExit(mongoFile); |
| } |
| catch (IOException ex) { |
| System.out.println(ex.getMessage()); |
| } |
| } |
| |
| @Before |
| public void init() { |
| buffer = ByteBuffer.allocate(10000); |
| props.put("mongo.shell.path", (IS_WINDOWS ? "" : "sh ") + MONGO_SHELL); |
| props.put("mongo.shell.command.table.limit", "10000"); |
| props.put("mongo.server.database", "test"); |
| props.put("mongo.server.username", ""); |
| props.put("mongo.server.password", ""); |
| props.put("mongo.server.authenticationDatabase", ""); |
| props.put("mongo.shell.command.timeout", "10000"); |
| props.put("mongo.interpreter.concurrency.max", "10"); |
| props.put("mongo.server.host", "localhost"); |
| props.put("mongo.server.port", "27017"); |
| |
| interpreter.open(); |
| } |
| |
| @After |
| public void destroy(){ |
| interpreter.close(); |
| } |
| |
| @Test |
| public void testSuccess() { |
| final String userScript = "print('hello');"; |
| |
| final InterpreterResult res = interpreter.interpret(userScript, context); |
| |
| assertSame("Check SUCCESS: " + res.message(), Code.SUCCESS, res.code()); |
| |
| try { |
| out.flush(); |
| } catch (IOException ex) { |
| System.out.println(ex.getMessage()); |
| } |
| |
| final String resultScript = new String(getBufferBytes()); |
| |
| final String expectedScript = SHELL_EXTENSION.replace( |
| "TABLE_LIMIT_PLACEHOLDER", interpreter.getProperty("mongo.shell.command.table.limit")) |
| .replace("TARGET_DB_PLACEHOLDER", interpreter.getProperty("mongo.server.database")) |
| .replace("USER_NAME_PLACEHOLDER", interpreter.getProperty("mongo.server.username")) |
| .replace("PASSWORD_PLACEHOLDER", interpreter.getProperty("mongo.server.password")) |
| .replace("AUTH_DB_PLACEHOLDER", interpreter. getProperty("mongo.server.authenticationDatabase"))+ |
| userScript; |
| |
| // The script that is executed must contain the functions provided by this interpreter |
| assertEquals("Check SCRIPT", expectedScript, resultScript); |
| } |
| |
| @Test |
| public void testBadConf() { |
| props.setProperty("mongo.shell.path", "/bad/path/to/mongo"); |
| final InterpreterResult res = interpreter.interpret("print('hello')", context); |
| |
| assertSame(Code.ERROR, res.code()); |
| } |
| |
| @Override |
| public void onUpdateAll(InterpreterOutput interpreterOutput) { |
| |
| } |
| |
| @Override |
| public void onAppend(int i, InterpreterResultMessageOutput interpreterResultMessageOutput, |
| byte[] bytes) { |
| buffer.put(bytes); |
| } |
| |
| @Override |
| public void onUpdate(int i, InterpreterResultMessageOutput interpreterResultMessageOutput) { |
| } |
| |
| private byte[] getBufferBytes() { |
| buffer.flip(); |
| final byte[] bufferBytes = new byte[buffer.remaining()]; |
| buffer.get(bufferBytes); |
| return bufferBytes; |
| } |
| } |