rspec - How to test a customized not_found route in rails -


i have following situation:

edited

in routes.rb

namespace :api, defaults: { format: :json }     namespace :v1         # definitions of other routes of api         # ...         match '*path', to: 'unmatch_route#not_found', via: :all     end end

edited

my controller:

class api::v1::unmatchroutecontroller < api::v1::apicontroller   def not_found     respond_to |format|       format.json { render json: { error: 'not_found' }, status: 404 }     end   end end

my test shown:

require 'rails_helper'  rspec.describe api::v1::unmatchroutecontroller, type: :controller   describe 'get response unmatched route'     before       :not_found, format: :json     end      'responds 404 status'       expect(response.status).to eq(404)     end      'check json response'       expect(response.body).to eq('{"error": "not_found"}')     end   end end

it seems right me, got same error both it statments:

1) api::v1::unmatchroutecontroller response unmatched route responds 404 status  failure/error: :not_found, format: :json   actioncontroller::urlgenerationerror:    no route matches {:action=>"not_found", :controller=>"api/v1/unmatch_route", :format=>:json}  # /home/hohenheim/.rvm/gems/ruby-2.3.1@dpms-kaefer/gems/gon-6.1.0/lib/gon/spec_helpers.rb:15:in `process'  # ./spec/controllers/api/v1/unmatch_route_controller_spec.rb:14:in `block (3 levels) in <top (required)>'

edited

the purpose route trigged when there's no other route possible in api, custom json 404 response. route , controller working expected right now, when access routes like: /api/v1/foo or /api/v1/bar

how can write tests properly?

additional info: rails 4.2.6, rspec 3.5.4

if try write routes spec, won't work , return strange.

 failure/error:        expect(get("/unmatch")).          route_to("unmatch_route#not_found")    recognized options <{"controller"=>"unmatch_route", "action"=>"not_found", "path"=>"unmatch"}> did not match <{"controller"=>"unmatch_route", "action"=>"not_found"}>, difference:.    --- expected    +++ actual    @@ -1 +1 @@    -{"controller"=>"unmatch_route", "action"=>"not_found"}    +{"controller"=>"unmatch_route", "action"=>"not_found", "path"=>"unmatch"}

beside action not_found, returned path => unmatch maybe why controller spec didn't work expected. instead of controller test can use request test below.

require 'rails_helper'  rspec.describe "get response unmatched route", :type => :request   before     '/not_found', format: :json   end    'responds 404 status'     expect(response.status).to eq(404)   end    'check json response'     expect(response.body).to eq('{"error": "not_found"}')   end end

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