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Java Source Code / Java Documentation » Database JDBC Connection Pool » HA JDBC » net.sf.hajdbc.sql 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * HA-JDBC: High-Availability JDBC
003:         * Copyright (c) 2004-2007 Paul Ferraro
004:         * 
005:         * This library is free software; you can redistribute it and/or modify it 
006:         * under the terms of the GNU Lesser General Public License as published by the 
007:         * Free Software Foundation; either version 2.1 of the License, or (at your 
008:         * option) any later version.
009:         * 
010:         * This library is distributed in the hope that it will be useful, but WITHOUT
011:         * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
012:         * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 
013:         * for more details.
014:         * 
015:         * You should have received a copy of the GNU Lesser General Public License
016:         * along with this library; if not, write to the Free Software Foundation, 
017:         * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
018:         * 
019:         * Contact: ferraro@users.sourceforge.net
020:         */
021:        package net.sf.hajdbc.sql;
022:
023:        import java.io.ByteArrayInputStream;
024:        import java.io.ByteArrayOutputStream;
025:        import java.io.InputStream;
026:        import java.io.OutputStream;
027:        import java.io.Reader;
028:        import java.io.StringReader;
029:        import java.io.StringWriter;
030:        import java.io.Writer;
031:        import java.sql.Clob;
032:        import java.sql.NClob;
033:        import java.sql.SQLException;
034:        import java.util.Map;
035:        import java.util.Set;
036:        import java.util.TreeMap;
037:        import java.util.concurrent.ExecutorService;
038:        import java.util.concurrent.Executors;
039:        import java.util.concurrent.locks.Lock;
040:
041:        import net.sf.hajdbc.Balancer;
042:        import net.sf.hajdbc.Database;
043:        import net.sf.hajdbc.DatabaseCluster;
044:        import net.sf.hajdbc.LockManager;
045:        import net.sf.hajdbc.MockDatabase;
046:        import net.sf.hajdbc.util.reflect.ProxyFactory;
047:
048:        import org.easymock.EasyMock;
049:        import org.testng.annotations.AfterMethod;
050:        import org.testng.annotations.BeforeClass;
051:        import org.testng.annotations.DataProvider;
052:        import org.testng.annotations.Test;
053:
054:        /**
055:         * @author Paul Ferraro
056:         *
057:         */
058:        @SuppressWarnings({"unchecked","nls"})
059:        public class TestClob implements  NClob {
060:            private Balancer balancer = EasyMock
061:                    .createStrictMock(Balancer.class);
062:            private DatabaseCluster cluster = EasyMock
063:                    .createStrictMock(DatabaseCluster.class);
064:            private Lock readLock = EasyMock.createStrictMock(Lock.class);
065:            private Lock writeLock1 = EasyMock.createStrictMock(Lock.class);
066:            private Lock writeLock2 = EasyMock.createStrictMock(Lock.class);
067:            private LockManager lockManager = EasyMock
068:                    .createStrictMock(LockManager.class);
069:            private NClob clob1 = EasyMock.createStrictMock(NClob.class);
070:            private NClob clob2 = EasyMock.createStrictMock(NClob.class);
071:            private SQLProxy parent = EasyMock.createStrictMock(SQLProxy.class);
072:            private SQLProxy root = EasyMock.createStrictMock(SQLProxy.class);
073:
074:            private Database database1 = new MockDatabase("1");
075:            private Database database2 = new MockDatabase("2");
076:            private Set<Database> databaseSet;
077:            private ExecutorService executor = Executors
078:                    .newSingleThreadExecutor();
079:            private NClob clob;
080:            private ClobInvocationHandler handler;
081:
082:            @BeforeClass
083:            void init() throws Exception {
084:                Map<Database, NClob> map = new TreeMap<Database, NClob>();
085:                map.put(this .database1, this .clob1);
086:                map.put(this .database2, this .clob2);
087:
088:                this .databaseSet = map.keySet();
089:
090:                EasyMock.expect(this .parent.getDatabaseCluster()).andReturn(
091:                        this .cluster);
092:                this .parent.addChild(EasyMock.isA(ClobInvocationHandler.class));
093:
094:                this .replay();
095:
096:                this .handler = new ClobInvocationHandler(new Object(),
097:                        this .parent, EasyMock.createMock(Invoker.class), map);
098:                this .clob = ProxyFactory.createProxy(NClob.class, this .handler);
099:
100:                this .verify();
101:                this .reset();
102:            }
103:
104:            private Object[] objects() {
105:                return new Object[] { this .cluster, this .balancer, this .clob1,
106:                        this .clob2, this .readLock, this .writeLock1,
107:                        this .writeLock2, this .lockManager, this .parent,
108:                        this .root };
109:            }
110:
111:            void replay() {
112:                EasyMock.replay(this .objects());
113:            }
114:
115:            void verify() {
116:                EasyMock.verify(this .objects());
117:            }
118:
119:            @AfterMethod
120:            void reset() {
121:                EasyMock.reset(this .objects());
122:            }
123:
124:            /**
125:             * @see java.sql.Clob#free()
126:             */
127:            @Test
128:            public void free() throws SQLException {
129:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
130:
131:                EasyMock.expect(this .cluster.getNonTransactionalExecutor())
132:                        .andReturn(this .executor);
133:
134:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
135:                        this .balancer);
136:                EasyMock.expect(this .balancer.all())
137:                        .andReturn(this .databaseSet);
138:
139:                EasyMock.expect(this .parent.getRoot()).andReturn(this .root);
140:
141:                this .root.retain(this .databaseSet);
142:
143:                this .parent.removeChild(this .handler);
144:
145:                this .clob1.free();
146:                this .clob2.free();
147:
148:                this .replay();
149:
150:                this .clob.free();
151:
152:                this .verify();
153:            }
154:
155:            /**
156:             * @see java.sql.Clob#getAsciiStream()
157:             */
158:            @Test
159:            public InputStream getAsciiStream() throws SQLException {
160:                InputStream input = new ByteArrayInputStream(new byte[0]);
161:
162:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
163:
164:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
165:                        this .balancer);
166:                EasyMock.expect(this .balancer.next()).andReturn(this .database2);
167:
168:                this .balancer.beforeInvocation(this .database2);
169:
170:                EasyMock.expect(this .clob2.getAsciiStream()).andReturn(input);
171:
172:                this .balancer.afterInvocation(this .database2);
173:
174:                this .replay();
175:
176:                InputStream result = this .clob.getAsciiStream();
177:
178:                this .verify();
179:
180:                assert result == input;
181:
182:                return result;
183:            }
184:
185:            /**
186:             * @see java.sql.Clob#getCharacterStream()
187:             */
188:            @Test
189:            public Reader getCharacterStream() throws SQLException {
190:                Reader reader = new StringReader("");
191:
192:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
193:
194:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
195:                        this .balancer);
196:                EasyMock.expect(this .balancer.next()).andReturn(this .database2);
197:
198:                this .balancer.beforeInvocation(this .database2);
199:
200:                EasyMock.expect(this .clob2.getCharacterStream()).andReturn(
201:                        reader);
202:
203:                this .balancer.afterInvocation(this .database2);
204:
205:                this .replay();
206:
207:                Reader result = this .clob.getCharacterStream();
208:
209:                this .verify();
210:
211:                assert result == reader;
212:
213:                return result;
214:            }
215:
216:            @DataProvider(name="long-long")
217:            Object[][] longLongProvider() {
218:                return new Object[][] { new Object[] { 1L, 1L } };
219:            }
220:
221:            /**
222:             * @see java.sql.Clob#getCharacterStream(long, long)
223:             */
224:            @Test(dataProvider="long-long")
225:            public Reader getCharacterStream(long position, long length)
226:                    throws SQLException {
227:                Reader reader = new StringReader("");
228:
229:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
230:
231:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
232:                        this .balancer);
233:                EasyMock.expect(this .balancer.next()).andReturn(this .database2);
234:
235:                this .balancer.beforeInvocation(this .database2);
236:
237:                EasyMock
238:                        .expect(this .clob2.getCharacterStream(position, length))
239:                        .andReturn(reader);
240:
241:                this .balancer.afterInvocation(this .database2);
242:
243:                this .replay();
244:
245:                Reader result = this .clob.getCharacterStream(position, length);
246:
247:                this .verify();
248:
249:                assert result == reader;
250:
251:                return result;
252:            }
253:
254:            @DataProvider(name="long-int")
255:            Object[][] longIntProvider() {
256:                return new Object[][] { new Object[] { 1L, 1 } };
257:            }
258:
259:            /**
260:             * @see java.sql.Clob#getSubString(long, int)
261:             */
262:            @Test(dataProvider="long-int")
263:            public String getSubString(long position, int length)
264:                    throws SQLException {
265:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
266:
267:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
268:                        this .balancer);
269:                EasyMock.expect(this .balancer.next()).andReturn(this .database2);
270:
271:                this .balancer.beforeInvocation(this .database2);
272:
273:                EasyMock.expect(this .clob2.getSubString(position, length))
274:                        .andReturn("");
275:
276:                this .balancer.afterInvocation(this .database2);
277:
278:                this .replay();
279:
280:                String result = this .clob.getSubString(position, length);
281:
282:                this .verify();
283:
284:                assert result.equals("");
285:
286:                return result;
287:            }
288:
289:            /**
290:             * @see java.sql.Clob#length()
291:             */
292:            @Test
293:            public long length() throws SQLException {
294:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
295:
296:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
297:                        this .balancer);
298:                EasyMock.expect(this .balancer.next()).andReturn(this .database2);
299:
300:                this .balancer.beforeInvocation(this .database2);
301:
302:                EasyMock.expect(this .clob2.length()).andReturn(1L);
303:
304:                this .balancer.afterInvocation(this .database2);
305:
306:                this .replay();
307:
308:                long result = this .clob.length();
309:
310:                this .verify();
311:
312:                assert result == 1L;
313:
314:                return result;
315:            }
316:
317:            @DataProvider(name="string-long")
318:            Object[][] stringLongProvider() {
319:                return new Object[][] { new Object[] { "", 1L } };
320:            }
321:
322:            /**
323:             * @see java.sql.Clob#position(java.lang.String, long)
324:             */
325:            @Test(dataProvider="string-long")
326:            public long position(String pattern, long start)
327:                    throws SQLException {
328:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
329:
330:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
331:                        this .balancer);
332:                EasyMock.expect(this .balancer.next()).andReturn(this .database2);
333:
334:                this .balancer.beforeInvocation(this .database2);
335:
336:                EasyMock.expect(this .clob2.position(pattern, start)).andReturn(
337:                        1L);
338:
339:                this .balancer.afterInvocation(this .database2);
340:
341:                this .replay();
342:
343:                long result = this .clob.position(pattern, start);
344:
345:                this .verify();
346:
347:                assert result == 1L;
348:
349:                return result;
350:            }
351:
352:            @DataProvider(name="clob-long")
353:            Object[][] clobLongProvider() {
354:                return new Object[][] { new Object[] {
355:                        EasyMock.createMock(Clob.class), 1L } };
356:            }
357:
358:            /**
359:             * @see java.sql.Clob#position(java.sql.Clob, long)
360:             */
361:            @Test(dataProvider="clob-long")
362:            public long position(Clob pattern, long start) throws SQLException {
363:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
364:
365:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
366:                        this .balancer);
367:                EasyMock.expect(this .balancer.next()).andReturn(this .database2);
368:
369:                this .balancer.beforeInvocation(this .database2);
370:
371:                EasyMock.expect(this .clob2.position(pattern, start)).andReturn(
372:                        1L);
373:
374:                this .balancer.afterInvocation(this .database2);
375:
376:                this .replay();
377:
378:                long result = this .clob.position(pattern, start);
379:
380:                this .verify();
381:
382:                assert result == 1L;
383:
384:                return result;
385:            }
386:
387:            @DataProvider(name="long")
388:            Object[][] longProvider() {
389:                return new Object[][] { new Object[] { 1L } };
390:            }
391:
392:            /**
393:             * @see java.sql.Clob#setAsciiStream(long)
394:             */
395:            @Test(dataProvider="long")
396:            public OutputStream setAsciiStream(long position)
397:                    throws SQLException {
398:                OutputStream output1 = new ByteArrayOutputStream();
399:                OutputStream output2 = new ByteArrayOutputStream();
400:
401:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
402:
403:                EasyMock.expect(this .cluster.getNonTransactionalExecutor())
404:                        .andReturn(this .executor);
405:
406:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
407:                        this .balancer);
408:                EasyMock.expect(this .balancer.all())
409:                        .andReturn(this .databaseSet);
410:
411:                EasyMock.expect(this .parent.getRoot()).andReturn(this .root);
412:
413:                this .root.retain(this .databaseSet);
414:
415:                EasyMock.expect(this .clob1.setAsciiStream(position)).andReturn(
416:                        output1);
417:                EasyMock.expect(this .clob2.setAsciiStream(position)).andReturn(
418:                        output2);
419:
420:                this .replay();
421:
422:                OutputStream result = this .clob.setAsciiStream(position);
423:
424:                this .verify();
425:
426:                assert result == output1;
427:
428:                return result;
429:            }
430:
431:            /**
432:             * @see java.sql.Clob#setCharacterStream(long)
433:             */
434:            @Test(dataProvider="long")
435:            public Writer setCharacterStream(long position) throws SQLException {
436:                Writer writer1 = new StringWriter();
437:                Writer writer2 = new StringWriter();
438:
439:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
440:
441:                EasyMock.expect(this .cluster.getNonTransactionalExecutor())
442:                        .andReturn(this .executor);
443:
444:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
445:                        this .balancer);
446:                EasyMock.expect(this .balancer.all())
447:                        .andReturn(this .databaseSet);
448:
449:                EasyMock.expect(this .parent.getRoot()).andReturn(this .root);
450:
451:                this .root.retain(this .databaseSet);
452:
453:                EasyMock.expect(this .clob1.setCharacterStream(position))
454:                        .andReturn(writer1);
455:                EasyMock.expect(this .clob2.setCharacterStream(position))
456:                        .andReturn(writer2);
457:
458:                this .replay();
459:
460:                Writer result = this .clob.setCharacterStream(position);
461:
462:                this .verify();
463:
464:                assert result == writer1;
465:
466:                return result;
467:            }
468:
469:            @DataProvider(name="long-string")
470:            Object[][] longBytesProvider() {
471:                return new Object[][] { new Object[] { 1L, "" } };
472:            }
473:
474:            /**
475:             * @see java.sql.Clob#setString(long, java.lang.String)
476:             */
477:            @Test(dataProvider="long-string")
478:            public int setString(long position, String string)
479:                    throws SQLException {
480:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
481:
482:                EasyMock.expect(this .cluster.getNonTransactionalExecutor())
483:                        .andReturn(this .executor);
484:
485:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
486:                        this .balancer);
487:                EasyMock.expect(this .balancer.all())
488:                        .andReturn(this .databaseSet);
489:
490:                EasyMock.expect(this .parent.getRoot()).andReturn(this .root);
491:
492:                this .root.retain(this .databaseSet);
493:
494:                EasyMock.expect(this .clob1.setString(position, string))
495:                        .andReturn(1);
496:                EasyMock.expect(this .clob2.setString(position, string))
497:                        .andReturn(1);
498:
499:                this .replay();
500:
501:                int result = this .clob.setString(position, string);
502:
503:                this .verify();
504:
505:                assert result == 1;
506:
507:                return result;
508:            }
509:
510:            @DataProvider(name="long-string-int-int")
511:            Object[][] longBytesIntIntProvider() {
512:                return new Object[][] { new Object[] { 1L, "", 1, 1 } };
513:            }
514:
515:            /**
516:             * @see java.sql.Clob#setString(long, java.lang.String, int, int)
517:             */
518:            @Test(dataProvider="long-string-int-int")
519:            public int setString(long position, String string, int offset,
520:                    int length) throws SQLException {
521:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
522:
523:                EasyMock.expect(this .cluster.getNonTransactionalExecutor())
524:                        .andReturn(this .executor);
525:
526:                EasyMock.expect(this .cluster.getBalancer()).andReturn(
527:                        this .balancer);
528:                EasyMock.expect(this .balancer.all())
529:                        .andReturn(this .databaseSet);
530:
531:                EasyMock.expect(this .parent.getRoot()).andReturn(this .root);
532:
533:                this .root.retain(this .databaseSet);
534:
535:                EasyMock.expect(
536:                        this .clob1.setString(position, string, offset, length))
537:                        .andReturn(1);
538:                EasyMock.expect(
539:                        this .clob2.setString(position, string, offset, length))
540:                        .andReturn(1);
541:
542:                this .replay();
543:
544:                int result = this .clob.setString(position, string, offset,
545:                        length);
546:
547:                this .verify();
548:
549:                assert result == 1;
550:
551:                return result;
552:            }
553:
554:            /**
555:             * @see java.sql.Clob#truncate(long)
556:             */
557:            @Test(dataProvider="long")
558:            public void truncate(long position) throws SQLException {
559:                EasyMock.expect(this .cluster.isActive()).andReturn(true);
560:
561:                EasyMock.expect(this.cluster.getNonTransactionalExecutor())
562:                        .andReturn(this.executor);
563:
564:                EasyMock.expect(this.cluster.getBalancer()).andReturn(
565:                        this.balancer);
566:                EasyMock.expect(this.balancer.all())
567:                        .andReturn(this.databaseSet);
568:
569:                EasyMock.expect(this.parent.getRoot()).andReturn(this.root);
570:
571:                this.root.retain(this.databaseSet);
572:
573:                this.clob1.truncate(position);
574:                this.clob2.truncate(position);
575:
576:                this.replay();
577:
578:                this.clob.truncate(position);
579:
580:                this.verify();
581:            }
582:        }
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