Source Code Cross Referenced for TestFixedWidthFlatfileTable.java in  » Database-DBMS » axion » org » axiondb » engine » tables » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » axion » org.axiondb.engine.tables 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Id: TestFixedWidthFlatfileTable.java,v 1.13 2005/12/20 19:08:58 ahimanikya Exp $
003:         * =======================================================================
004:         * Copyright (c) 2002 Axion Development Team.  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 
011:         *    copyright notice, this list of conditions and the following 
012:         *    disclaimer. 
013:         *   
014:         * 2. Redistributions in binary form must reproduce the above copyright 
015:         *    notice, this list of conditions and the following disclaimer in 
016:         *    the documentation and/or other materials provided with the 
017:         *    distribution. 
018:         *   
019:         * 3. The names "Tigris", "Axion", nor the names of its contributors may 
020:         *    not be used to endorse or promote products derived from this 
021:         *    software without specific prior written permission. 
022:         *  
023:         * 4. Products derived from this software may not be called "Axion", nor 
024:         *    may "Tigris" or "Axion" appear in their names without specific prior
025:         *    written permission.
026:         *   
027:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
028:         * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
029:         * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
030:         * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
031:         * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
032:         * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
033:         * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
034:         * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
035:         * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
036:         * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
037:         * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
038:         * =======================================================================
039:         */
040:
041:        package org.axiondb.engine.tables;
042:
043:        import java.io.File;
044:        import java.io.FileWriter;
045:        import java.util.ArrayList;
046:        import java.util.List;
047:        import java.util.Properties;
048:        import java.util.Random;
049:
050:        import junit.framework.Test;
051:        import junit.framework.TestSuite;
052:
053:        import org.axiondb.AxionException;
054:        import org.axiondb.Column;
055:        import org.axiondb.ColumnIdentifier;
056:        import org.axiondb.Database;
057:        import org.axiondb.ExternalTable;
058:        import org.axiondb.ExternalTableLoader;
059:        import org.axiondb.Row;
060:        import org.axiondb.RowIterator;
061:        import org.axiondb.Table;
062:        import org.axiondb.TableIdentifier;
063:        import org.axiondb.engine.DiskDatabase;
064:        import org.axiondb.engine.commands.AxionQueryContext;
065:        import org.axiondb.engine.commands.CreateTableCommand;
066:        import org.axiondb.engine.commands.SubSelectCommand;
067:        import org.axiondb.engine.rows.SimpleRow;
068:        import org.axiondb.types.BooleanType;
069:        import org.axiondb.types.CharacterVaryingType;
070:        import org.axiondb.types.IntegerType;
071:
072:        /**
073:         * @version $Revision: 1.13 $ $Date: 2005/12/20 19:08:58 $
074:         * @author Ahimanikya Satapathy
075:         */
076:        public class TestFixedWidthFlatfileTable extends AbstractTableTest {
077:
078:            //------------------------------------------------------------ Conventional
079:
080:            public TestFixedWidthFlatfileTable(String testName) {
081:                super (testName);
082:            }
083:
084:            public static Test suite() {
085:                TestSuite suite = new TestSuite(
086:                        TestFixedWidthFlatfileTable.class);
087:                return suite;
088:            }
089:
090:            //--------------------------------------------------------------- Lifecycle
091:
092:            //--------------------------------------------------------------- Lifecycle
093:
094:            protected DiskDatabase _db = null;
095:            protected String tableName = null;
096:            protected String dataFileName = null;
097:
098:            protected Table createTable(String name) throws Exception {
099:                tableName = name;
100:                ExternalTableLoader loader = new FixedWidthFlatfileTableLoader();
101:                ExternalTable t = (ExternalTable) loader.createTable(_db, name);
102:                t.loadExternalTable(setProperties(name));
103:                return t;
104:            }
105:
106:            protected Database getDatabase() throws Exception {
107:                return _db;
108:            }
109:
110:            protected File getDataFile() throws Exception {
111:                return new File(getDbdir(), dataFileName);
112:            }
113:
114:            protected Properties setProperties(String name) {
115:                Properties props = new Properties();
116:
117:                props.setProperty(ExternalTable.PROP_LOADTYPE, "fixedwidth");
118:                String eol = System.getProperty("line.separator");
119:                props.setProperty(BaseFlatfileTable.PROP_RECORDDELIMITER, eol);
120:                props.setProperty(BaseFlatfileTable.PROP_ISFIRSTLINEHEADER,
121:                        "false");
122:
123:                dataFileName = name + ".txt";
124:                props
125:                        .setProperty(BaseFlatfileTable.PROP_FILENAME,
126:                                dataFileName);
127:
128:                return props;
129:            }
130:
131:            protected String getTableName() {
132:                return tableName != null ? tableName : "FWTXT";
133:            }
134:
135:            public void setUp() throws Exception {
136:                getDbdir().mkdirs();
137:                _db = new DiskDatabase(getDbdir());
138:                super .setUp();
139:            }
140:
141:            public void tearDown() throws Exception {
142:                super .tearDown();
143:                _db.shutdown();
144:                File data = new File(getDbdir(), tableName + ".txt");
145:                data.delete();
146:            }
147:
148:            //------------------------------------------------------------------- Tests
149:
150:            public void testObjectTable() throws Exception {
151:                // TODO: Make this test pass, define a interface MarshallableObject for method
152:                // toString and toObject, or or MarshallableXMLObject toXMLString , toObject , If
153:                // the Object implement this then we can use them in flat file.
154:            }
155:
156:            public void testInvalidPropertyKey() throws Exception {
157:                try {
158:                    Properties badProps = new Properties();
159:                    badProps.put(ExternalTable.PROP_LOADTYPE, "fixedwidth");
160:                    badProps.put("UNKNOWN_PROPERTY", Boolean.TRUE);
161:                    ExternalTableFactory factory = new ExternalTableFactory();
162:                    factory.createTable(_db, "BADTABLE", badProps,
163:                            buildColumns());
164:                    fail("Expected AxionException due to unrecognized property name 'UNKNOWN_PROPERTY'");
165:                } catch (AxionException expected) {
166:                    // Expected AxionException due to unrecognized property name.
167:                }
168:            }
169:
170:            public void testDataTypes() throws Exception {
171:                Table typeTable = createTable("TYPETABLE");
172:
173:                ((ExternalTable) typeTable)
174:                        .loadExternalTable(setProperties("TYPETABLE"));
175:
176:                typeTable.addColumn(new Column("STRCOL",
177:                        new CharacterVaryingType(255)));
178:                typeTable.addColumn(new Column("INTCOL", new IntegerType()));
179:                Column bolCol = new Column("BOOLCOL", new BooleanType());
180:                typeTable.addColumn(bolCol);
181:
182:                // This will allow us to test truncating value 
183:                // note: unless user mentioned a size for string its default to 255
184:                String name = "";
185:                for (int i = 0; i < 10; i++) {
186:                    name += "cccddvvffvv";
187:                }
188:
189:                Object[][] values = new Object[][] {
190:                        new Object[] { "", "A String", name, null },
191:                        new Object[] { new Integer(17), new Integer(0),
192:                                new Integer(5575), null },
193:                        new Object[] { Boolean.TRUE, Boolean.TRUE,
194:                                Boolean.FALSE, null } };
195:
196:                Random random = new Random();
197:                int numRows = 7;
198:
199:                for (int i = 0; i < numRows; i++) {
200:                    Row row = new SimpleRow(typeTable.getColumnCount());
201:                    for (int j = 0; j < typeTable.getColumnCount(); j++) {
202:                        row.set(j, values[j][random.nextInt(values[j].length)]);
203:                    }
204:                    typeTable.addRow(row);
205:                }
206:
207:                RowIterator iter = typeTable.getRowIterator(true);
208:                assertNotNull(iter);
209:                for (int i = 0; i < numRows; i++) {
210:                    assertTrue(iter.hasNext());
211:                    assertNotNull(iter.next());
212:                }
213:                assertTrue(!iter.hasNext());
214:                typeTable.shutdown();
215:            }
216:
217:            public void testDiskInsert() throws Exception {
218:                testAddRow();
219:                table.shutdown();
220:                File data = new File(getDbdir(), "FWTXT.txt");
221:                assertTrue("Should have data file", data.exists());
222:                assertTrue("Should have some data in data file",
223:                        data.length() > 43);
224:            }
225:
226:            public void testDiskDrop() throws Exception {
227:                testAddRow();
228:                File tabledir = new File(getDbdir(), "FWTXT");
229:                File meta = new File(tabledir, "FWTXT.META");
230:                assertTrue("Table directory should exist", tabledir.exists());
231:                assertTrue("Meta file should exist", meta.exists());
232:                table.drop();
233:                assertTrue("Meta file should not exist", !meta.exists());
234:                assertTrue("Table directory should not exist", !tabledir
235:                        .exists());
236:            }
237:
238:            public void testRemount() throws Exception {
239:                testAddRow();
240:                ((ExternalTable) table).remount();
241:
242:                RowIterator iter = table.getRowIterator(true);
243:                assertNotNull(iter);
244:                assertTrue(iter.hasNext());
245:                assertNotNull(iter.next());
246:                assertTrue(iter.hasNext());
247:                assertNotNull(iter.next());
248:                assertTrue(!iter.hasNext());
249:            }
250:
251:            public void testFileRead() throws Exception {
252:                File data = new File(getDbdir(), "FFTest.txt");
253:                FileWriter out = new FileWriter(data);
254:
255:                String eol = System.getProperty("line.separator");
256:
257:                out.write("ID         NAME " + eol); // Header
258:                out.write("1          aa   " + eol); // 1
259:                out.write("2.00       bbb  " + eol); // 2
260:                out.write("3.00       ccc  " + eol); // 3
261:                out.write("4.00       ddd  " + eol); // 4
262:                out.write("" + eol); // skip
263:                out.write("we       " + eol); // bad 1
264:                out.write("7          dfdf " + eol); // 5
265:                out.write("7.0f       ccc  " + eol); // 6
266:                out.write("xx         xx   " + eol); // bad 2
267:                out.write("5          test " + eol); // 7
268:                out.write("10-1       hhhh " + eol); // bad 3
269:                out.write("                " + eol); // bad 4
270:                out.close();
271:
272:                ExternalTableFactory factory = new ExternalTableFactory();
273:                Properties prop = setProperties("FFTest");
274:                prop.put(BaseFlatfileTable.PROP_ISFIRSTLINEHEADER, "true");
275:                prop.put(BaseFlatfileTable.PROP_ROWSTOSKIP, "1");
276:
277:                try {
278:                    Table table2 = factory.createTable(_db, "FFTEST", prop,
279:                            buildColumns());
280:                    RowIterator itr = table2.getRowIterator(false);
281:
282:                    int rowCount = 0;
283:                    while (itr.hasNext()) {
284:                        itr.next();
285:                        rowCount++;
286:                    }
287:
288:                    assertEquals("Valid row count should have correct value",
289:                            7, rowCount);
290:                    table2.drop();
291:
292:                    prop.put(BaseFlatfileTable.PROP_MAXFAULTS, "2");
293:
294:                    try {
295:                        table2 = factory.createTable(_db, "FFTEST", prop,
296:                                buildColumns());
297:                        itr = table2.getRowIterator(false);
298:                        while (itr.hasNext()) {
299:                            itr.next();
300:                        }
301:                        fail("Expected Exception");
302:                    } catch (Exception e) {
303:                        // expected
304:                    }
305:                    table2.drop();
306:
307:                    // bad property value, should use default value
308:                    prop.put(BaseFlatfileTable.PROP_MAXFAULTS, "-10");
309:                    prop.put(BaseFlatfileTable.PROP_ROWSTOSKIP, "-10");
310:
311:                    table2 = factory.createTable(_db, "FFTEST", prop,
312:                            buildColumns());
313:                    itr = table2.getRowIterator(false);
314:
315:                    rowCount = 0;
316:                    while (itr.hasNext()) {
317:                        itr.next();
318:                        rowCount++;
319:                    }
320:
321:                    assertEquals("Valid row count should have correct value",
322:                            7, rowCount);
323:                    table2.drop();
324:
325:                    // bad property value, should use default value        
326:                    prop.put(BaseFlatfileTable.PROP_MAXFAULTS, "ABC");
327:                    prop.put(BaseFlatfileTable.PROP_ROWSTOSKIP, "ABC");
328:
329:                    table2 = factory.createTable(_db, "FFTEST", prop,
330:                            buildColumns());
331:                    itr = table2.getRowIterator(false);
332:
333:                    rowCount = 0;
334:                    while (itr.hasNext()) {
335:                        itr.next();
336:                        rowCount++;
337:                    }
338:
339:                    assertEquals("Valid row count should have correct value",
340:                            7, rowCount);
341:                    table2.drop();
342:
343:                    prop.put(BaseFlatfileTable.PROP_MAXFAULTS, "5");
344:                    prop.put(BaseFlatfileTable.PROP_ROWSTOSKIP, "0");
345:                    table2 = factory.createTable(_db, "FFTEST", prop,
346:                            buildColumns());
347:                    itr = table2.getRowIterator(false);
348:
349:                    rowCount = 0;
350:                    while (itr.hasNext()) {
351:                        itr.next();
352:                        rowCount++;
353:                    }
354:
355:                    assertEquals("Valid row count should have correct value",
356:                            7, rowCount);
357:
358:                    _db.addTable(table2);
359:                    CreateTableCommand cmd = new CreateTableCommand();
360:                    cmd.setObjectName("FFTEST2");
361:                    cmd.setType("external");
362:                    prop.put(BaseFlatfileTable.PROP_FILENAME, "FFTest2.txt");
363:                    prop.put(BaseFlatfileTable.PROP_ISFIRSTLINEHEADER, "true");
364:                    cmd.setProperties(prop);
365:                    AxionQueryContext ctx = new AxionQueryContext();
366:                    ctx.addSelect(new ColumnIdentifier("*"));
367:                    ctx.addFrom(new TableIdentifier("FFTEST"));
368:                    SubSelectCommand subSelect = new SubSelectCommand(ctx);
369:                    cmd.setSubQuery(subSelect);
370:                    cmd.execute(_db);
371:
372:                    Table table3 = _db.getTable("FFTEST2");
373:                    itr = table3.getRowIterator(false);
374:
375:                    assertEquals("Valid row count should have correct value",
376:                            7, table3.getRowCount());
377:
378:                    rowCount = 0;
379:                    while (itr.hasNext()) {
380:                        itr.next();
381:                        rowCount++;
382:                    }
383:
384:                    assertEquals("Valid row count should have correct value",
385:                            7, rowCount);
386:                } finally {
387:                    try {
388:                        _db.dropTable("FFTEST");
389:                    } catch (AxionException ignore) {
390:                        // ignore
391:                    }
392:
393:                    try {
394:                        _db.dropTable("FFTEST2");
395:                    } catch (AxionException ignore) {
396:                        // ignore
397:                    }
398:
399:                    data.delete();
400:                }
401:
402:            }
403:
404:            public void testFileReadForPackedRecord() throws Exception {
405:                File data = new File(getDbdir(), "FFTEST.txt");
406:                FileWriter out = new FileWriter(data);
407:
408:                out.write("ID         NAME "); // Header
409:                out.write("1          aa   "); // 1
410:                out.write("2          bbb  "); // 2
411:                out.write("3.00       ccc  "); // 3
412:                out.write("4.00       ddd  "); // 4
413:                out.write(""); // skip
414:                out.write("we              "); // bad 1
415:                out.write("7          dfdf "); // 5
416:                out.write("7.0f       ccc  "); // 6
417:                out.write("xx         xx   "); // bad 2
418:                out.write("10-1       hhhh "); // bad 3
419:                out.write("                "); // bad 4
420:                out.write("5          test"); // 7 EOF before end of record      
421:                out.close();
422:
423:                ExternalTableFactory factory = new ExternalTableFactory();
424:                Properties prop = setProperties("FFTEST");
425:                prop.put(BaseFlatfileTable.PROP_RECORDDELIMITER, "");
426:                prop.put(BaseFlatfileTable.PROP_ISFIRSTLINEHEADER, "true");
427:                prop.put(BaseFlatfileTable.PROP_ROWSTOSKIP, "1");
428:
429:                Table table2 = factory.createTable(_db, "FFTEST", prop,
430:                        buildColumns());
431:                RowIterator itr = table2.getRowIterator(false);
432:
433:                int rowCount = 0;
434:                while (itr.hasNext()) {
435:                    itr.next();
436:                    rowCount++;
437:                }
438:
439:                assertEquals("Valid row count should have correct value", 7,
440:                        rowCount);
441:                table2.drop();
442:
443:                prop.put(BaseFlatfileTable.PROP_MAXFAULTS, "2");
444:
445:                try {
446:                    table2 = factory.createTable(_db, "FFTEST", prop,
447:                            buildColumns());
448:                    itr = table2.getRowIterator(false);
449:                    while (itr.hasNext()) {
450:                        itr.next();
451:                    }
452:                    fail("Expected Exception");
453:                } catch (Exception e) {
454:                    // expected
455:                }
456:                table2.drop();
457:
458:                // bad property value, should use default value
459:                prop.put(BaseFlatfileTable.PROP_MAXFAULTS, "-10");
460:                prop.put(BaseFlatfileTable.PROP_ROWSTOSKIP, "-10");
461:
462:                table2 = factory.createTable(_db, "FFTEST", prop,
463:                        buildColumns());
464:                itr = table2.getRowIterator(false);
465:
466:                rowCount = 0;
467:                while (itr.hasNext()) {
468:                    itr.next();
469:                    rowCount++;
470:                }
471:
472:                assertEquals("Valid row count should have correct value", 7,
473:                        rowCount);
474:                table2.drop();
475:
476:                // test headerBytesOffset 
477:                prop.put(BaseFlatfileTable.PROP_ISFIRSTLINEHEADER, "false");
478:                prop.put(FixedWidthFlatfileTable.PROP_HEADERBYTESOFFSET, "16");
479:                prop.put(BaseFlatfileTable.PROP_ROWSTOSKIP, "0");
480:
481:                table2 = factory.createTable(_db, "FFTEST", prop,
482:                        buildColumns());
483:                itr = table2.getRowIterator(false);
484:
485:                rowCount = 0;
486:                while (itr.hasNext()) {
487:                    itr.next();
488:                    rowCount++;
489:                }
490:
491:                assertEquals("Valid row count should have correct value", 7,
492:                        rowCount);
493:                table2.drop();
494:
495:                // bad property value, should use default value    
496:                prop.put(BaseFlatfileTable.PROP_ISFIRSTLINEHEADER, "true");
497:                prop.put(BaseFlatfileTable.PROP_MAXFAULTS, "ABC");
498:                prop.put(BaseFlatfileTable.PROP_ROWSTOSKIP, "ABC");
499:
500:                table2 = factory.createTable(_db, "FFTEST", prop,
501:                        buildColumns());
502:                itr = table2.getRowIterator(false);
503:
504:                rowCount = 0;
505:                while (itr.hasNext()) {
506:                    itr.next();
507:                    rowCount++;
508:                }
509:
510:                assertEquals("Valid row count should have correct value", 7,
511:                        rowCount);
512:                table2.drop();
513:
514:                prop.put(BaseFlatfileTable.PROP_MAXFAULTS, "5");
515:                prop.put(BaseFlatfileTable.PROP_ROWSTOSKIP, "0");
516:                table2 = factory.createTable(_db, "FFTEST", prop,
517:                        buildColumns());
518:                itr = table2.getRowIterator(false);
519:
520:                rowCount = 0;
521:                while (itr.hasNext()) {
522:                    itr.next();
523:                    rowCount++;
524:                }
525:
526:                assertEquals("Valid row count should have correct value", 7,
527:                        rowCount);
528:
529:                _db.addTable(table2);
530:                CreateTableCommand cmd = new CreateTableCommand();
531:                cmd.setObjectName("FFTEST2");
532:                cmd.setType("external");
533:                prop.put(BaseFlatfileTable.PROP_FILENAME, "FFTest2.txt");
534:                prop.put(BaseFlatfileTable.PROP_ISFIRSTLINEHEADER, "true");
535:                cmd.setProperties(prop);
536:                AxionQueryContext ctx = new AxionQueryContext();
537:                ctx.addSelect(new ColumnIdentifier("*"));
538:                ctx.addFrom(new TableIdentifier("FFTEST"));
539:                SubSelectCommand subSelect = new SubSelectCommand(ctx);
540:                cmd.setSubQuery(subSelect);
541:                cmd.execute(_db);
542:
543:                Table table3 = _db.getTable("FFTEST2");
544:                itr = table3.getRowIterator(false);
545:
546:                assertEquals("Valid row count should have correct value", 7,
547:                        table3.getRowCount());
548:
549:                rowCount = 0;
550:                while (itr.hasNext()) {
551:                    itr.next();
552:                    rowCount++;
553:                }
554:
555:                assertEquals("Valid row count should have correct value", 7,
556:                        rowCount);
557:                _db.dropTable("FFTEST");
558:                _db.dropTable("FFTEST2");
559:
560:                data.delete();
561:
562:            }
563:
564:            public void testRestartDB() throws Exception {
565:                testAddRow();
566:                table.shutdown();
567:                table = null;
568:                _db.shutdown();
569:
570:                _db = new DiskDatabase(getDbdir());
571:                assertTrue(_db.hasTable(getTableName()));
572:                table = _db.getTable(getTableName());
573:                testGetName();
574:                RowIterator iter = table.getRowIterator(true);
575:                assertNotNull(iter);
576:                assertTrue(iter.hasNext());
577:                assertNotNull(iter.next());
578:                assertTrue(iter.hasNext());
579:                assertNotNull(iter.next());
580:                assertTrue(!iter.hasNext());
581:            }
582:
583:            private List buildColumns() {
584:                List list = new ArrayList(2);
585:                Column id = new Column("ID", new IntegerType());
586:                list.add(id);
587:
588:                Column name = new Column("NAME", new CharacterVaryingType(5));
589:                list.add(name);
590:                return list;
591:            }
592:        }
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