core-jgi/fitnesse/FitNesseRoot/FitNesse/UserGuide/RowEntryFixture/content.txt

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!3 A Fixture for entering rows of data.
Sometimes, as in the BuildOperateCheck pattern, we want to add a bunch of data to a database. Or sometimes we want to call a function over and over again with different arguments. This is often done in order to configure the system for a subsequent fixture that will run tests based upon the configured data.
We have seen examples where this was done with the help of a ''valid()'' function.
RowEntryFixture is a better option in many cases.
* RowEntryFixture is an abstract class. You have to derive from it.
* It derives from ColumnFixture and works just the same way it does.
* You override the ''enterRow'' function to add your data to the database.
* If you have trouble adding your data, you throw an exception loaded with a message explaining the problem.
|Comment|
|{{{public abstract void enterRow() throws Exception;}}}|Override this function to add your row of data. Throw an exception if there are any problems.|
Here is an example of a very simple RowEntryFixture:
{{{public class RowEntryExample extends RowEntryFixture
{
public int v;
public void enterRow() throws Exception
{
if (v == 0)
throw new Exception("Oh, no! Zero!");
}
} }}}
And here you can see it running.
|!-fitnesse.fixtures.RowEntryExample-!|
|v|
|1|
|0|