v3: Users can navigate to pages for non-existent bands through editing the URL

[StrawberryScot]

Version

v3

Severity

Low

Suggested Priority

Low

Observed Behaviour

Navigating to route /bands/<insert_any_band_not_included_in_database_here> opens a page with the band name in the title, with no gigs listed.

Expected Behaviour

Attempting to navigate to route /bands/<insert_any_band_not_included_in_database_here> should bring the user to the 404 error page.

Reproduction Steps

1. Run the app
2. Navigate to http://127.0.0.1:5001/bands/IDoNotExist
3. OBSERVE

[PaulNGilson]

Jo & Lou weren't sure with this one, so I hear! Technically, the band could exist but we don't know any dates for them so an empty page isn't wrong.

They're taking it back to the customer to see what their expectations are...