ruby on rails - RSpec Post with a file, params and header field -

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i trying test out api using rspec uploading file. api request simple post request file along params , header field.

i tried making post request following code:

post "media.upload", { client_id: @client.id, token: @client.token, type: @type, name: @name, format: 'json' }, { 'http_proxy_ssl' => 'true' }, :upload => @file

but following error:

failure/error: post "cm/media.upload", { client_id: @client.id, token: @client.token, type: @type, name: @name, format: 'json' },      argumenterror:        wrong number of arguments (4 1..3)

the @file variable defined as:

@file = fixture_file_upload(rails.root + 'spec/fixtures/images/abc.jpg', 'image/jpeg')

so question how post request in rspec file, parameters , headers?

move upload param in rest of request params:

params = {upload: @file, client_id: @client.id, token: @client.token, type: @type, name: @name, format: 'json'} headers = {'http_proxy_ssl' => 'true'}  post 'media.upload', params, headers

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