Ruby on Rails

Properly Setting HTTP_REFERER in a Rails Integration Test for a File Upload

This one had me frustrated for the past hour. I've been writing integration tests for a Rails project and got stuck on an error when I was trying to test that a file upload worked successfully and asserted a redirection was occuring correctly, but ran into the following error:

Expected response to be a <:redirect>, but was <500>
<"No HTTP_REFERER was set in the request to this action, so
redirect_to :back could not be called successfully. If this
is a test, make sure to specify

What a lovely error message to send me on a goose chase trying to set HTTP_REFERER directly on the @request as instructed.

Did Not Work

@request.env["HTTP_REFERER"] = '/'
post upload_path, { :file => fixture_file_upload("worddoc.docx", "application/msword") },
  { :html => {:multipart => true} }
assert_redirected_to '/', 'index'

This continued to spit out the same error. I finally stumbled across a post back from 2006 that held the answer. The HTTP_REFERER is not set the same way in an integration test:


post upload_path, { :file => fixture_file_upload("worddoc.docx", "application/msword") },
  { :html => {:multipart => true}, :referer => '/' }
assert_redirected_to '/', 'index'

Hope that saves anyone else some time if you encounter this error.

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About Greg Jastrab

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