Limit Rack::Lint::InputWrapper test to Rack 2

Author: jeremy

marcel.gemspec

@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency 'minitest', '~> 5.11'
   spec.add_development_dependency 'bundler', '>= 1.7'
-  spec.add_development_dependency 'rake', '~> 13.0'
-  spec.add_development_dependency 'rack', '~> 2.0'
+  spec.add_development_dependency 'rake', '>= 13.0'
+  spec.add_development_dependency 'rack', '>= 2'
   spec.add_development_dependency 'nokogiri', '>= 1.9.1'
 end

test/mime_type_test.rb

@@ -38,10 +38,19 @@ def setup
     assert_equal "image/gif", content_type
   end
 
-  test "gets content type from sources that conform to Rack::Lint::InputWrapper" do
+  test "gets content type from sources that conform to Rack RewindableInput" do
     io = StringIO.new(File.read(@path))
-    wrapper = Rack::Lint::InputWrapper.new(io)
+    wrapper = Rack::RewindableInput.new(io)
     content_type = Marcel::MimeType.for wrapper
     assert_equal "image/gif", content_type
   end
+
+  if Rack::Lint.const_defined?(:InputWrapper)
+    test "gets content type from sources that conform to Rack 2's Rack::Lint::InputWrapper" do
+      io = StringIO.new(File.read(@path))
+      wrapper = Rack::Lint::InputWrapper.new(io)
+      content_type = Marcel::MimeType.for wrapper
+      assert_equal "image/gif", content_type
+    end
+  end
 end