spec/middleware_spec.rb in rack-reducer-0.1.0 vs spec/middleware_spec.rb in rack-reducer-0.1.1

@@ -1,22 +1,30 @@
 require 'spec_helper'
-require_relative 'fixtures'
 require 'json'
 
 # mount Rack::Reducer as middleware, let it filter data into env['rack.reduction'],
 # and respond with env['rack.reduction'].to_json
 module MiddlewareTest
-  def self.app
+  DEFAULTS = {
+    dataset: DB[:artists].all,
+    filters: [
+      ->(genre:) { select { |item| item[:genre].match(/#{genre}/i) } },
+      ->(name:) { select { |item| item[:name].match(/#{name}/i) } },
+      ->(order:) { sort_by { |item| item[order.to_sym] } }
+    ]
+  }
+
+  def self.app(options = {}, key = options[:key] || 'rack.reduction')
     Rack::Builder.new do
-      use Rack::Reducer, dataset: ARTISTS, filters: [
-        ->(genre:) { select { |item| item[:genre].match(/#{genre}/i) } },
-        ->(name:) { select { |item| item[:name].match(/#{name}/i) } },
-        ->(order:) { sort_by { |item| item[order.to_sym] } }
-      ]
-      run ->(env) { [200, {}, [env['rack.reduction'].to_json]] }
+      use Rack::Reducer, DEFAULTS.merge(options)
+      run ->(env) { [200, {}, [env[key].to_json]] }
     end
   end
 end
 
 describe MiddlewareTest.app do
+  it_behaves_like Rack::Reducer
+end
+
+describe MiddlewareTest.app(key: 'some.custom.key') do
   it_behaves_like Rack::Reducer
 end