Perl Best Testing Practices Apply to Parrot As Well

1 Study each tool

2 Extract functionality into subroutines in separate module

3 Rewrite tool as series of calls to subroutines from modules

4 Write test scripts that focus on individual subroutines

• Run test scripts with prove

5 If tests create files, use a temporary directory

• Use File::Temp

6 Measure coverage of module code by test suite

• Use Devel::Cover

7 Refactor code to improve coverage, testability and maintainability