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`cy.intercept` on file upload endpoints seems to be reading the file stream, which can result in server-side throwing error

See original GitHub issue

This is easy to work around, so don’t stress about it too much. Just wanted to report in case it helps.

Current behavior

If I cy.intercept('POST', /profile\/picture/i).as('upload') to watch an endpoint that consumes a file upload, my .net core 3 server errors with “System.IO.IOException: Unexpected end of Stream, the content may have already been read by another component.”

Desired behavior

Maybe cypress just needs to set the stream position back to 0?

Versions

Cypress@6.0.1
Chrome 87 (the one cypress opens)
Win10

Issue Analytics

State:
Created 3 years ago
Reactions:2
Comments:6 (1 by maintainers)

Top GitHub Comments

1reaction

emilongcommented, Jan 20, 2021

FWIW The issue I had here was fixed in 6.2.1 🎉

1reaction

JohnnyFuncommented, Dec 8, 2020

I ended up just using ui loading indicators to know when the network request is completed. So something like this:

cy.get('.loading-thing').should('exist')
uploadFile()
cy.get('.loading-thing').should('not.exist')

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