The content, importance and questions should be paid attention to forage seed test are discussed in this paper.

In my case, I used the file in listing 4 to seed the database before running my component tests and then used the same file to indicate which data to delete from the database upon test completion.

For example, to unit test an object that USES a database, it may be burdensome to install, configure, and seed a local copy of the database, run your tests, then tear the local database down again.