Re: Mock for DaoManager

[Larry Meadors]

Can you trim down the data? I was working on a db with ~800G of data, but it only *needed* a few dozen rows in each table to be usable. I was not trying to stress test, only unit test.

Larry

On 7/26/05, Akins, Greg <[EMAIL PROTECTED]> wrote:

Thanks.

 

I've used DbUnit before..

 

However, the test data we have is in some cases over 20 million rows.

 

1. I had planned on two sets of tests, 1 would use the actual dao implementations, to test the mappings.  2 would use mocks to speed up the rest of the testing.

So I think I can mix both your suggestions to get the results I want.  Thanks for the help.

-----Original Message-----
From: Larry Meadors [mailto:[EMAIL PROTECTED]]

Sent: Tuesday, July 26, 2005 9:20 AM
To: user-java@ibatis.apache.org
Subject: Re: Mock for DaoManager

Hmm, ok.

Two options to consider:
1) Use dbunit to populate a database, and use your normal DAOs.
2) Create an alternate dao.xml that has your mocked up dao classes that return hard-coded values.

I would seriously suggest #1..and yes, I know, it is not what you wanted ("without requiring a call to the database"), however, with a smallish database I think you'll find the performance acceptable, and you will get the added benefit of testing your mapped statements, too.

Using dbunit, you can specify the exact contents of the database, so you have known quantities to test against. It is a pretty darn slick tool.

Larry

On 7/26/05, Akins, Greg <[EMAIL PROTECTED]> wrote:

Well, I think I might be on the wrong path...

 

But what I was trying to do is replace the call the StandardDaoManager with calls to a MockDaoManager that would return an instance of a mock dao object

 

The MockDao object would just keep all the "data" in memory and the implementation of each method would return data that I could use for testing, without requiring a call to the database.

 

-----Original Message-----
From: Larry Meadors [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, July 26, 2005 8:30 AM
To: user-java@ibatis.apache.org
Subject: Re: Mock for DaoManager

I am not sure what you are trying to do here..do you want the DAOs defined in the dao.xml, or do you want to return different ones?

It would be a fairly straightforward exercise to build one that mimicked the StandardDaoManager class, and exposed the dao maps so you could replace them.

What is it that you are trying to accomplish? There may be an easier way...

Larry

On 7/26/05, Akins, Greg <[EMAIL PROTECTED]> wrote:

Has anyone written a mock object that implements DaoManager for testing?

I started by writing a specific MockDao that returns a specific Dao
implementation; but wanted something that would use the dao.xml.  Just
wondering if it's been done already.

-greg