openwisp / openwisp-firmware-upgrader / 26115584532

Build # 26115584532

Build Type

push

github

Committed by web-flow

Commit Message

[fix] Prevent HTTP 500 on missing device credentials #250

When device credentials are deleted after a firmware image is
assigned, saving the device form crashes with an unhandled
`DoesNotExist` exception. This change catches
`ObjectDoesNotExist` and raises a `ValidationError` instead,
providing a user-friendly error message.

Several related edge cases are handled as well.

Closes #250

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2213 of 2365 relevant lines covered (93.57%)

11.23 hits per line

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