BeControlledBy matches any object that is controlled by the given owner.

DeleteIfExists returns a function to clean up an object if it exists.

RandomString generates a random string of length n with the given options.

SetupNamespace sets up a namespace before each test and tears the namespace down after each test.

LowerCaseAlphabetCharset is a charset consisting of lower-case alphabet letters.

RandomStringOptions are options for RandomString.

RandomStringOption is an option to RandomString.

Charset specifies an explicit charset to use.