Commenting here the notes I took while trying to track down the errors:

• Not applied to —instrument because input is checked before passing to query
• For —data-level, random input or capital ‘L’ causes 502 Error. Will need to double check input before passing to the query
• For —descriptor It does not need to be double checked because input could be anything.
• For —start-date the error is triggered when a string is passed instead of numbers, or if a number is too long, or if the date is in the wrong format, ie. ‘MMDDYYYY’
• For —end-date it is the same as —start-date
• —output-format is working correctly
• —repointing seems to be working fine and checking for itself
• —version, does not check, should make sure it is 4 characters and starts with a ‘v’
• —filename does not check, but not sure how it should, maybe double checking it starts with ‘imap_’, or use the correct Science Naming Function