Source Code Cross Referenced for NQBuildTimeInstrumentationTestCase.java in  » Database-DBMS » db4o-6.4 » com » db4o » test » nativequery » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db4o 6.4 » com.db4o.test.nativequery 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* Copyright (C) 2004 - 2007  db4objects Inc.  http://www.db4o.com
002:
003:        This file is part of the db4o open source object database.
004:
005:        db4o is free software; you can redistribute it and/or modify it under
006:        the terms of version 2 of the GNU General Public License as published
007:        by the Free Software Foundation and as clarified by db4objects' GPL 
008:        interpretation policy, available at
009:        http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
010:        Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
011:        Suite 350, San Mateo, CA 94403, USA.
012:
013:        db4o is distributed in the hope that it will be useful, but WITHOUT ANY
014:        WARRANTY; without even the implied warranty of MERCHANTABILITY or
015:        FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
016:        for more details.
017:
018:        You should have received a copy of the GNU General Public License along
019:        with this program; if not, write to the Free Software Foundation, Inc.,
020:        59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */
021:        package com.db4o.test.nativequery;
022:
023:        import java.io.*;
024:        import java.net.*;
025:
026:        import org.apache.tools.ant.*;
027:        import org.apache.tools.ant.types.*;
028:
029:        import com.db4o.foundation.io.*;
030:        import com.db4o.instrumentation.ant.Db4oFileEnhancerAntTask;
031:        import com.db4o.instrumentation.main.*;
032:        import com.db4o.nativequery.main.*;
033:        import com.db4o.nativequery.optimization.*;
034:        import com.db4o.query.*;
035:        import com.db4o.test.util.*;
036:
037:        import db4ounit.*;
038:
039:        public class NQBuildTimeInstrumentationTestCase implements 
040:                TestLifeCycle {
041:
042:            private final static String BASE_DIR = Path4.combine(Path4
043:                    .getTempPath(), "nqfileinstr");
044:            private final static String SRC_DIR = Path4.combine(BASE_DIR,
045:                    "source");
046:            private final static String TARGET_DIR = Path4.combine(BASE_DIR,
047:                    "target");
048:            private final static Class[] CLAZZES = { ToBeInstrumented.class,
049:                    NotToBeInstrumented.class };
050:
051:            public void testFileEnhancer() throws Exception {
052:                Db4oFileEnhancer enhancer = new Db4oFileEnhancer(
053:                        new TranslateNQToSODAEdit());
054:                enhancer.enhance(SRC_DIR, TARGET_DIR, new String[] {}, "");
055:                assertInstrumented();
056:            }
057:
058:            public void testAntTask() throws Exception {
059:                Db4oFileEnhancerAntTask antTask = new Db4oFileEnhancerAntTask();
060:                Project project = new Project();
061:                project.setBaseDir(new File(BASE_DIR));
062:                FileSet fileSet = new FileSet();
063:                fileSet.setProject(project);
064:                fileSet.setDir(new File(SRC_DIR));
065:                antTask.addSources(fileSet);
066:                antTask.setTargetdir(TARGET_DIR);
067:                antTask.add(new NQAntClassEditFactory());
068:                antTask.execute();
069:                assertInstrumented();
070:            }
071:
072:            private void assertInstrumented() throws MalformedURLException,
073:                    ClassNotFoundException, NoSuchMethodException {
074:                ExcludingClassLoader excludingLoader = new ExcludingClassLoader(
075:                        getClass().getClassLoader(), CLAZZES);
076:                URLClassLoader loader = new URLClassLoader(
077:                        new URL[] { new File(TARGET_DIR).toURI().toURL() },
078:                        excludingLoader);
079:
080:                Class instrumented = loader.loadClass(ToBeInstrumented.class
081:                        .getName());
082:                final Class[] queryClassSig = new Class[] { Query.class };
083:                Assert.isNotNull(instrumented.getDeclaredMethod(
084:                        NativeQueryEnhancer.OPTIMIZE_QUERY_METHOD_NAME,
085:                        queryClassSig));
086:                final Class uninstrumented = loader
087:                        .loadClass(NotToBeInstrumented.class.getName());
088:                Assert.expect(NoSuchMethodException.class, new CodeBlock() {
089:                    public void run() throws Throwable {
090:                        uninstrumented.getDeclaredMethod(
091:                                NativeQueryEnhancer.OPTIMIZE_QUERY_METHOD_NAME,
092:                                queryClassSig);
093:                    }
094:                });
095:            }
096:
097:            private void copyClassFile(String srcDir, Class clazz)
098:                    throws IOException {
099:                File file = fileForClass(clazz);
100:                String targetPath = Path4.combine(srcDir, clazz.getName()
101:                        .replace('.', '/')
102:                        + ".class");
103:                File4.delete(targetPath);
104:                File4.copy(file.getCanonicalPath(), targetPath);
105:            }
106:
107:            private File fileForClass(Class clazz) throws IOException {
108:                String clazzName = clazz.getName();
109:                int dotIdx = clazzName.lastIndexOf('.');
110:                String simpleName = clazzName.substring(dotIdx + 1);
111:                URL url = clazz.getResource(simpleName + ".class");
112:                return new File(url.getPath());
113:            }
114:
115:            public void setUp() throws Exception {
116:                File4.mkdirs(SRC_DIR);
117:                File4.mkdirs(TARGET_DIR);
118:                for (int clazzIdx = 0; clazzIdx < CLAZZES.length; clazzIdx++) {
119:                    copyClassFile(SRC_DIR, CLAZZES[clazzIdx]);
120:                }
121:            }
122:
123:            public void tearDown() throws Exception {
124:            }
125:        }
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