| /* |
| * 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.hadoop.chukwa.database; |
| |
| import junit.framework.TestCase; |
| import java.util.Calendar; |
| import org.apache.hadoop.chukwa.database.Macro; |
| import org.apache.hadoop.chukwa.util.DatabaseWriter; |
| import org.apache.hadoop.chukwa.conf.ChukwaConfiguration; |
| import org.apache.hadoop.chukwa.util.ExceptionUtil; |
| import org.apache.hadoop.chukwa.database.TableCreator; |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.sql.Timestamp; |
| import java.util.ArrayList; |
| import java.util.Date; |
| |
| public class TestDatabasePrepareStatement extends TestCase { |
| |
| long[] timeWindow = {7, 30, 91, 365, 3650}; |
| String cluster = "demo"; |
| long current = Calendar.getInstance().getTimeInMillis(); |
| |
| public void setUp() { |
| System.setProperty("CLUSTER","demo"); |
| DatabaseWriter db = new DatabaseWriter(cluster); |
| String buffer = ""; |
| File aFile = new File(System.getenv("CHUKWA_CONF_DIR") |
| + File.separator + "database_create_tables.sql"); |
| buffer = readFile(aFile); |
| String tables[] = buffer.split(";"); |
| for(String table : tables) { |
| if(table.length()>5) { |
| try { |
| db.execute(table); |
| } catch (Exception e) { |
| fail("Fail to retrieve meta data from table:"+table); |
| } |
| } |
| } |
| db.close(); |
| for(int i=0;i<timeWindow.length;i++) { |
| TableCreator tc = new TableCreator(); |
| long start = current; |
| long end = current + (timeWindow[i]*1440*60*1000); |
| try { |
| tc.createTables(start, end); |
| } catch (Exception e) { |
| fail("Fail to create database tables."); |
| } |
| } |
| } |
| |
| public void tearDown() { |
| DatabaseWriter db = null; |
| try { |
| db = new DatabaseWriter(cluster); |
| ResultSet rs = db.query("show tables"); |
| ArrayList<String> list = new ArrayList<String>(); |
| while(rs.next()) { |
| String table = rs.getString(1); |
| list.add(table); |
| } |
| for(String table : list) { |
| db.execute("drop table "+table); |
| } |
| } catch(Throwable ex) { |
| } finally { |
| if(db!=null) { |
| db.close(); |
| } |
| } |
| } |
| |
| public String readFile(File aFile) { |
| StringBuffer contents = new StringBuffer(); |
| try { |
| BufferedReader input = new BufferedReader(new FileReader(aFile)); |
| try { |
| String line = null; // not declared within while loop |
| while ((line = input.readLine()) != null) { |
| contents.append(line); |
| contents.append(System.getProperty("line.separator")); |
| } |
| } finally { |
| input.close(); |
| } |
| } catch (IOException ex) { |
| ex.printStackTrace(); |
| } |
| return contents.toString(); |
| } |
| |
| public void testPrepareStatement() { |
| DatabaseWriter db = new DatabaseWriter(cluster); |
| Date today = new Date(); |
| long current = today.getTime(); |
| Timestamp timestamp = new Timestamp(current); |
| String hostname="chukwa.example.org"; |
| String query = "insert into [system_metrics] set timestamp='"+timestamp.toString()+"', host='"+hostname+"', cpu_user_pcnt=100;"; |
| Macro mp = new Macro(current, current, query); |
| query = mp.toString(); |
| try { |
| db.execute(query); |
| query = "select timestamp,host,cpu_user_pcnt from [system_metrics] where timestamp=? and host=? and cpu_user_pcnt=?;"; |
| mp = new Macro(current, current, query); |
| query = mp.toString(); |
| ArrayList<Object> parms = new ArrayList<Object>(); |
| parms.add(current); |
| parms.add(hostname); |
| parms.add(100); |
| ResultSet rs = db.query(query, parms); |
| while(rs.next()) { |
| assertTrue(hostname.intern()==rs.getString(2).intern()); |
| assertTrue(100==rs.getInt(3)); |
| } |
| db.close(); |
| } catch(SQLException ex) { |
| fail("Fail to run SQL statement:"+ExceptionUtil.getStackTrace(ex)); |
| } |
| } |
| |
| } |