fix the Globals middleware

- add to the autoload configuration
- fix issues with it accessing an undefined var/method

Author: urkle

CHANGELOG.md

@@ -19,6 +19,7 @@
 * [#936](https://github.com/intridea/grape/pull/936): Fixed default params processing for optional groups - [@dm1try](https://github.com/dm1try).
 * [#942](https://github.com/intridea/grape/pull/942): Fixed forced presence for optional params when based on a reused entity that was also required in another context - [@croeck](https://github.com/croeck).
 * [#1001](https://github.com/intridea/grape/pull/1001): Fixed calling endpoint with specified format with format in its path - [@hodak](https://github.com/hodak).
+* [#1005](https://github.com/intridea/grape/pull/1005): Fixed the Grape::Middleware::Globals - [@urkle](https://github.com/urkle).
 
 * Your contribution here.
 

lib/grape.rb

@@ -104,6 +104,7 @@ module Middleware
     autoload :Versioner
     autoload :Formatter
     autoload :Error
+    autoload :Globals
 
     module Auth
       extend ActiveSupport::Autoload

lib/grape/middleware/globals.rb

@@ -4,7 +4,8 @@ module Grape
   module Middleware
     class Globals < Base
       def before
-        @env['grape.request'] = Grape::Request.new(@env)
+        request = Grape::Request.new(@env)
+        @env['grape.request'] = request
         @env['grape.request.headers'] = request.headers
         @env['grape.request.params'] = request.params if @env['rack.input']
       end

spec/grape/middleware/globals_spec.rb

@@ -0,0 +1,27 @@
+require 'spec_helper'
+
+describe Grape::Middleware::Globals do
+  subject { Grape::Middleware::Globals.new(blank_app) }
+  before { allow(subject).to receive(:dup).and_return(subject) }
+
+  let(:blank_app) { lambda { |env| [200, {}, 'Hi there.'] } }
+
+  it 'calls through to the app' do
+    expect(subject.call({})).to eq([200, {}, 'Hi there.'])
+  end
+
+  context 'environment' do
+    it 'should set the grape.request environment' do
+      subject.call({})
+      expect(subject.env['grape.request']).to be_a(Grape::Request)
+    end
+    it 'should set the grape.request.headers environment' do
+      subject.call({})
+      expect(subject.env['grape.request.headers']).to be_a(Hash)
+    end
+    it 'should set the grape.request.params environment' do
+      subject.call('QUERY_STRING' => 'test=1', 'rack.input' => StringIO.new)
+      expect(subject.env['grape.request.params']).to be_a(Hash)
+    end
+  end
+end