wrong database snapshot

by Marco Lauper :: Rate this Message:

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Hey there,

I'm having trouble with my dbunit implementation, my tests to remove records from the database are failing although records are removed correctly.

This is my Testcase:

CompanyTest:
public class CompanyTest extends TestCase {

private IDatabaseConnection conn;

private DataSource dataSource;

private CompanyDAO companyDao;

private Company company;

public void setUp() throws Exception { ApplicationContext context = new ClassPathXmlApplicationContext( new String[] {"mysql-properties.xml", "applicationContext.xml"});

dataSource = (DataSource) context.getBean("dataSource");

companyDao = (CompanyDAO) context.getBean("companyDao");company = new Company();

conn = new DatabaseConnection(dataSource.getConnection());DatabaseOperation.

INSERT.execute(conn, getDataSet());

}

public void tearDown() throws Exception {

DatabaseOperation.DELETE.execute(conn, getDataSet_all());

conn.close();conn = null;

}

public void testAddCompany() throws Exception {

company.setId(2);

company.setName("Company2");

company.setPassword("password2");

companyDao.addCompany(company);

// get database snapshot

IDataSet databaseDataSet = conn.createDataSet();ITable actual = databaseDataSet.getTable("company");

// load expected data from XML dataset

IDataSet expectedDataSet = getDataSet_all();

ITable expected = expectedDataSet.getTable("company");

Assertion.assertEquals(exp! ected, actual);

}

public void testGetCompany() {

Company company2 = companyDao.getCompany(1);assertEquals(

"Company1", company2.getName());

}

public void testRemoveCompany() throws Exception {

company.setId(1);

company.setName("Company1");

companyDao.removeCompany(company);

// get database snapshot

IDataSet databaseDataSet = conn.createDataSet();ITable actual = databaseDataSet.getTable("company");

// load expected data from XML dataset

IDataSet expectedDataSet = getDataSet_empty();

ITa! ble expected = expectedDataSet.getTable("company");

Assertion.assertEquals(expected, actual);

}

protected IDataSet getDataSet() throws Exception {return new FlatXmlDataSet(new FileInputStream("resources/database/company.xml"));

}

protected IDataSet getDataSet_all() throws Exception {

return new FlatXmlDataSet(new FileInputStream("resources/database/company_all.xml"));

}

protected IDataSet getDataSet_empty() throws Exception {return new FlatXmlDataSet(new FileInputStream("resources/database/company_empty.xml"));

}

}

company.xml:
<dataset><

company id="1" name="Company1"/>

</dataset>

company_all.xm! l:<

dataset>

<company id="1" name="Company1"/><

company id="2" name="Company2"/>

</dataset>

company_empty.xml:

<dataset><

company/>

</dataset>

One of the test I'm having trouble with is RemoveCompany (I have other testcases with the same result). Upon setup I insert 1 record into the database and with this test it should be removed and then checked if the database is empty. I've done a lot of manual checks and the record is removed correctly but junit says that the test failed:

junit.framework.AssertionFailedError: column count (table=company) expected:<0> but was:<4>

I don't understand why junit says! there are 4 records, there are none at all. What am I doing wrong, isnt "databaseDataSet.getTable("company")" supposed to fetsch the records out of the database?

I'd be grateful for any help.

greetz
Marco

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