Drop old appraisals (#1916)

Author: NikolayRys

Appraisals

@@ -1,12 +1,3 @@
-appraise 'rails-3' do
-  gem 'rails', '3.2.22.5'
-  gem 'rack-cache', '<= 1.2' # Pin as next rack-cache version (1.3) removes Ruby1.9 support
-end
-
-appraise 'rails-4' do
-  gem 'rails', '4.2.10'
-end
-
 appraise 'rails-5' do
   gem 'rails', '5.2.1'
 end

CHANGELOG.md

@@ -11,6 +11,7 @@
 #### Fixes
 
 * Your contribution here.
+* [#1916](https://github.com/ruby-grape/grape/pull/1916): Drop old appraisals - [@NikolayRys](https://github.com/NikolayRys).
 * [#1911](https://github.com/ruby-grape/grape/pull/1911): Make sure `Grape::Valiations::AtLeastOneOfValidator` properly treats nested params in errors - [@dnesteryuk](https://github.com/dnesteryuk).
 * [#1893](https://github.com/ruby-grape/grape/pull/1893): Allows `Grape::API` to behave like a Rack::app in some instances where it was misbehaving - [@myxoh](https://github.com/myxoh).
 * [#1898](https://github.com/ruby-grape/grape/pull/1898): Refactor `ValidatorFactory` to improve memory allocation - [@Bhacaz](https://github.com/Bhacaz).

gemfiles/rails_3.gemfile

@@ -19,12 +19,6 @@
       }
       env = Rack::MockRequest.env_for('/', options)
 
-      unless RUBY_PLATFORM == 'java'
-        major, minor, patch = Rack.release.split('.').map(&:to_i)
-        patch ||= 0 # rack <= 1.5.2 does not specify patch version
-        pending 'Rack 1.5.3 or 1.6.1 required' unless major >= 2 || (major >= 1 && ((minor == 5 && patch >= 3) || (minor >= 6)))
-      end
-
       expect(JSON.parse(app.call(env)[2].body.first)['params_keys']).to match_array('test')
     ensure
       input.close