001: /* ====================================================================
002: * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
003: *
004: * Copyright (c) 1995-2002 Jcorporate Ltd. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in
015: * the documentation and/or other materials provided with the
016: * distribution.
017: *
018: * 3. The end-user documentation included with the redistribution,
019: * if any, must include the following acknowledgment:
020: * "This product includes software developed by Jcorporate Ltd.
021: * (http://www.jcorporate.com/)."
022: * Alternately, this acknowledgment may appear in the software itself,
023: * if and wherever such third-party acknowledgments normally appear.
024: *
025: * 4. "Jcorporate" and product names such as "Expresso" must
026: * not be used to endorse or promote products derived from this
027: * software without prior written permission. For written permission,
028: * please contact info@jcorporate.com.
029: *
030: * 5. Products derived from this software may not be called "Expresso",
031: * or other Jcorporate product names; nor may "Expresso" or other
032: * Jcorporate product names appear in their name, without prior
033: * written permission of Jcorporate Ltd.
034: *
035: * 6. No product derived from this software may compete in the same
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039: *
040: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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042: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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050: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
051: * SUCH DAMAGE.
052: * ====================================================================
053: *
054: * This software consists of voluntary contributions made by many
055: * individuals on behalf of the Jcorporate Ltd. Contributions back
056: * to the project(s) are encouraged when you make modifications.
057: * Please send them to support@jcorporate.com. For more information
058: * on Jcorporate Ltd. and its products, please see
059: * <http://www.jcorporate.com/>.
060: *
061: * Portions of this software are based upon other open source
062: * products and are subject to their respective licenses.
063: */
064:
065: package com.jcorporate.expresso.core.dataobjects.test;
066:
067: import com.jcorporate.expresso.core.dataobjects.DataTransferObject;
068: import com.jcorporate.expresso.core.db.DBException;
069: import com.jcorporate.expresso.core.dbobj.SecuredDBObject;
070: import com.jcorporate.expresso.services.dbobj.MimeTypes;
071: import com.jcorporate.expresso.services.test.ExpressoTestCase;
072: import com.jcorporate.expresso.services.test.TestSystemInitializer;
073: import junit.framework.TestSuite;
074:
075: import java.io.ByteArrayInputStream;
076: import java.io.ByteArrayOutputStream;
077: import java.io.ObjectInputStream;
078: import java.io.ObjectOutputStream;
079: import java.util.Map;
080:
081: /**
082: * Tests various aspects of the DataTransferObject
083: *
084: * @author Michael Rimov
085: * @version 1.0
086: */
087: public class TestDataTransferObject extends ExpressoTestCase {
088: DataTransferObject dataTransferObject = null;
089: MimeTypes mt = null;
090:
091: /**
092: * Creates a new TestDataTransferObject object.
093: *
094: * @param testName The name of the test
095: * @throws Exception Upon initialization error
096: */
097: public TestDataTransferObject(String testName) throws Exception {
098: super (testName);
099: }
100:
101: /**
102: * A main function to allow testing of this class only
103: *
104: * @param args Unused
105: * @throws Exception If an error occurs during testing
106: */
107: public static void main(String[] args) throws Exception {
108: junit.textui.TestRunner.run(suite());
109: }
110:
111: /**
112: * Constructs the test suite
113: *
114: * @return An instantiated Junit test suite
115: * @throws Exception Upon error
116: */
117: public static junit.framework.Test suite() throws Exception {
118: return new TestSuite(TestDataTransferObject.class);
119: }
120:
121: /**
122: * Checks the data transfer object by verifying that the values
123: * set in the data object are consistent with those that appear in the data
124: * transfer object
125: */
126: public void testDTOValues() {
127: try {
128: DataTransferObject dto = mt.getDataTransferObject();
129: assertTrue(TestSystemInitializer.getTestContext().equals(
130: dto.getDataContext()));
131: assertTrue(MimeTypes.class.getName().equals(
132: dto.getObjectClassName()));
133:
134: Map fields = dto.getTableFields();
135: checkFields(fields);
136: } catch (DBException ex) {
137: ex.printStackTrace();
138: fail("Exception testing field values");
139: }
140: }
141:
142: /**
143: * Performs similar test to testDTOValues except that the data transfer object
144: * is serialized to memory, deserialized, and the values in the deserialized
145: * data transfer object are checked against the original data object.
146: */
147: public void testDTOSerialization() {
148: try {
149: DataTransferObject dto = mt.getDataTransferObject();
150: assertTrue(TestSystemInitializer.getTestContext().equals(
151: dto.getDataContext()));
152: assertTrue(MimeTypes.class.getName().equals(
153: dto.getObjectClassName()));
154:
155: DataTransferObject dto2 = runThroughSerializerTransfer(dto);
156:
157: Map fields = dto.getTableFields();
158: checkFields(fields);
159: } catch (Exception ex) {
160: ex.printStackTrace();
161: fail("Exception testing field values");
162: }
163: }
164:
165: /**
166: * Sets up the test suite by creating a mime type data object.
167: *
168: * @throws Exception upon setup error
169: */
170: protected void setUp() throws Exception {
171: super .setUp();
172: dataTransferObject = new DataTransferObject();
173: mt = new MimeTypes(SecuredDBObject.SYSTEM_ACCOUNT);
174: mt.setDataContext(TestSystemInitializer.getTestContext());
175: mt.setField(MimeTypes.FLD_MIMENUMBER, 1);
176: mt.setField(MimeTypes.FLD_DESCRIPTION, "Image File");
177: mt.setField(MimeTypes.FLD_FILE_EXTENSIONS, ".jpg,.png,.gif");
178: }
179:
180: /**
181: * Checks to make sure field values are consistent
182: *
183: * @param fields
184: */
185: protected void checkFields(Map fields) {
186: assertTrue(fields.containsKey(MimeTypes.FLD_MIMENUMBER));
187: assertTrue(fields.containsKey(MimeTypes.FLD_DESCRIPTION));
188: assertTrue(fields.containsKey(MimeTypes.FLD_FILE_EXTENSIONS));
189:
190: assertTrue("1".equals(fields.get(MimeTypes.FLD_MIMENUMBER)));
191: assertTrue("Image File".equals(fields
192: .get(MimeTypes.FLD_DESCRIPTION)));
193: assertTrue(".jpg,.png,.gif".equals(fields
194: .get(MimeTypes.FLD_FILE_EXTENSIONS)));
195: }
196:
197: /**
198: * Serializes a test object to memory, a serializes into a new object
199: * and returns that new object
200: *
201: * @param testObject The object to serialize
202: * @return The deserialized object
203: * @throws java.io.IOException Upon I/O error
204: * @throws java.lang.ClassNotFoundException
205: * If one of the sub classes could not be found
206: */
207: protected DataTransferObject runThroughSerializerTransfer(
208: DataTransferObject testObject) throws java.io.IOException,
209: java.lang.ClassNotFoundException {
210: ByteArrayOutputStream bos = new ByteArrayOutputStream();
211: ObjectOutputStream oos = new ObjectOutputStream(bos);
212: oos.writeObject(testObject);
213:
214: ByteArrayInputStream bis = new ByteArrayInputStream(bos
215: .toByteArray());
216: ObjectInputStream ois = new ObjectInputStream(bis);
217:
218: DataTransferObject dto2 = (DataTransferObject) ois.readObject();
219:
220: return dto2;
221: }
222:
223: /**
224: * Run when every test completes
225: *
226: * @throws Exception upon error
227: */
228: protected void tearDown() throws Exception {
229: dataTransferObject = null;
230: mt = null;
231: super.tearDown();
232: }
233: }
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