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// Copyright (c) 2004 Health Market Science, Inc.
package com.healthmarketscience.jackcess;
import java.io.File;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Map;
import junit.framework.TestCase;
/**
* @author Tim McCune
*/
public class DatabaseTest extends TestCase {
public DatabaseTest(String name) throws Exception {
super(name);
}
private Database open() throws Exception {
return Database.open(new File("test/data/test.mdb"));
}
private Database create() throws Exception {
File tmp = File.createTempFile("databaseTest", ".mdb");
tmp.deleteOnExit();
return Database.create(tmp);
}
public void testReadDeletedRows() throws Exception {
Table table = Database.open(new File("test/data/delTest.mdb")).getTable("Table");
int rows = 0;
while (table.getNextRow() != null) {
rows++;
}
assertEquals(2, rows);
}
public void testGetColumns() throws Exception {
List columns = open().getTable("Table1").getColumns();
assertEquals(9, columns.size());
checkColumn(columns, 0, "A", DataType.TEXT);
checkColumn(columns, 1, "B", DataType.TEXT);
checkColumn(columns, 2, "C", DataType.BYTE);
checkColumn(columns, 3, "D", DataType.INT);
checkColumn(columns, 4, "E", DataType.LONG);
checkColumn(columns, 5, "F", DataType.DOUBLE);
checkColumn(columns, 6, "G", DataType.SHORT_DATE_TIME);
checkColumn(columns, 7, "H", DataType.MONEY);
checkColumn(columns, 8, "I", DataType.BOOLEAN);
}
private void checkColumn(List columns, int columnNumber, String name,
DataType dataType)
throws Exception {
Column column = (Column) columns.get(columnNumber);
assertEquals(name, column.getName());
assertEquals(dataType, column.getType());
}
public void testGetNextRow() throws Exception {
Database db = open();
assertEquals(1, db.getTableNames().size());
Table table = db.getTable("Table1");
Map row = table.getNextRow();
assertEquals("abcdefg", row.get("A"));
assertEquals("hijklmnop", row.get("B"));
assertEquals(new Byte((byte) 2), row.get("C"));
assertEquals(new Short((short) 222), row.get("D"));
assertEquals(new Integer(333333333), row.get("E"));
assertEquals(new Double(444.555d), row.get("F"));
Calendar cal = Calendar.getInstance();
cal.setTime((Date) row.get("G"));
assertEquals(Calendar.SEPTEMBER, cal.get(Calendar.MONTH));
assertEquals(21, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(1974, cal.get(Calendar.YEAR));
assertEquals(Boolean.TRUE, row.get("I"));
row = table.getNextRow();
assertEquals("a", row.get("A"));
assertEquals("b", row.get("B"));
assertEquals(new Byte((byte) 0), row.get("C"));
assertEquals(new Short((short) 0), row.get("D"));
assertEquals(new Integer(0), row.get("E"));
assertEquals(new Double(0d), row.get("F"));
cal = Calendar.getInstance();
cal.setTime((Date) row.get("G"));
assertEquals(Calendar.DECEMBER, cal.get(Calendar.MONTH));
assertEquals(12, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(1981, cal.get(Calendar.YEAR));
assertEquals(Boolean.FALSE, row.get("I"));
}
public void testCreate() throws Exception {
Database db = create();
assertEquals(0, db.getTableNames().size());
}
public void testWriteAndRead() throws Exception {
Database db = create();
createTestTable(db);
Object[] row = createTestRow();
row[3] = null;
Table table = db.getTable("Test");
int count = 1000;
for (int i = 0; i < count; i++) {
table.addRow(row);
}
for (int i = 0; i < count; i++) {
Map readRow = table.getNextRow();
assertEquals(row[0], readRow.get("A"));
assertEquals(row[1], readRow.get("B"));
assertEquals(row[2], readRow.get("C"));
assertEquals(row[3], readRow.get("D"));
assertEquals(row[4], readRow.get("E"));
assertEquals(row[5], readRow.get("F"));
assertEquals(row[6], readRow.get("G"));
assertEquals(row[7], readRow.get("H"));
}
}
public void testWriteAndReadInBatch() throws Exception {
Database db = create();
createTestTable(db);
int count = 1000;
List<Object[]> rows = new ArrayList<Object[]>(count);
Object[] row = createTestRow();
for (int i = 0; i < count; i++) {
rows.add(row);
}
Table table = db.getTable("Test");
table.addRows(rows);
for (int i = 0; i < count; i++) {
Map readRow = table.getNextRow();
assertEquals(row[0], readRow.get("A"));
assertEquals(row[1], readRow.get("B"));
assertEquals(row[2], readRow.get("C"));
assertEquals(row[3], readRow.get("D"));
assertEquals(row[4], readRow.get("E"));
assertEquals(row[5], readRow.get("F"));
assertEquals(row[6], readRow.get("G"));
assertEquals(row[7], readRow.get("H"));
}
}
public void testDeleteCurrentRow() throws Exception {
Database db = create();
createTestTable(db);
Object[] row = createTestRow();
Table table = db.getTable("Test");
for (int i = 0; i < 10; i++) {
row[3] = i;
table.addRow(row);
}
row[3] = 1974;
assertEquals(10, countRows(table));
table.reset();
table.getNextRow();
table.deleteCurrentRow();
assertEquals(9, countRows(table));
table.reset();
table.getNextRow();
table.deleteCurrentRow();
assertEquals(8, countRows(table));
table.reset();
for (int i = 0; i < 8; i++) {
table.getNextRow();
}
table.deleteCurrentRow();
assertEquals(7, countRows(table));
table.addRow(row);
assertEquals(8, countRows(table));
table.reset();
for (int i = 0; i < 3; i++) {
table.getNextRow();
}
table.deleteCurrentRow();
assertEquals(7, countRows(table));
table.reset();
assertEquals(2, table.getNextRow().get("D"));
}
private int countRows(Table table) throws Exception {
table.reset();
int rtn = 0;
while (table.getNextRow() != null) {
rtn++;
}
return rtn;
}
private Object[] createTestRow() {
return new Object[] {"Tim", "R", "McCune", 1234, (byte) 0xad, 555.66d,
777.88f, (short) 999, new Date()};
}
private void createTestTable(Database db) throws Exception {
List<Column> columns = new ArrayList<Column>();
Column col = new Column();
col.setName("A");
col.setType(DataType.TEXT);
columns.add(col);
col = new Column();
col.setName("B");
col.setType(DataType.TEXT);
columns.add(col);
col = new Column();
col.setName("C");
col.setType(DataType.TEXT);
columns.add(col);
col = new Column();
col.setName("D");
col.setType(DataType.LONG);
columns.add(col);
col = new Column();
col.setName("E");
col.setType(DataType.BYTE);
columns.add(col);
col = new Column();
col.setName("F");
col.setType(DataType.DOUBLE);
columns.add(col);
col = new Column();
col.setName("G");
col.setType(DataType.FLOAT);
columns.add(col);
col = new Column();
col.setName("H");
col.setType(DataType.INT);
columns.add(col);
col = new Column();
col.setName("I");
col.setType(DataType.SHORT_DATE_TIME);
columns.add(col);
db.createTable("test", columns);
}
}
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