Github user xenoterracide commented on the pull request:
https://github.com/apache/commons-lang/pull/94#issuecomment-112433828
I use methods like this (I've written for Numeric and AlphaNumeric as well)
for generating test data. At work it's being used in our selenium tests, at
home I use it for any tests. It's not meant to be used to tests the bounds,
rather that any behavior in the bounds that is expected works. Also that there
aren't hidden gotchas, like something fails because a string has a `.` or a `-`
because someone decided to parse user input.
Managers actually watch our selenium tests replay, and they discovered that
our Zip Code fields, perhaps improperly, take any alphanumeric string.
I think my first use case was testing that passwords worked between 8-20
characters.
Obviously much of that can be accomplished by using a static length random
string, but there are a few things you can catch by using a random length, like
improper or forgotten bounds, display length issues, weird sort issues, and of
course it makes for just a little more random distribution of the data.
protected void wireEntity( final JpaUser entity ) {
entity.setName( RandomUtil.randomAlphanumeric( 5, 15 ) );
entity.setEnabled( true );
}
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