Remove deprecated Faraday::UploadIO

UPGRADING.md

@@ -50,6 +50,7 @@ Faraday::Middleware.register_middleware(name: klass)
 
 * Rename `Faraday::Request#method` to `#http_method`.
 * Remove `Faraday::Response::Middleware`. You can now use the new `on_complete` callback provided by `Faraday::Middleware`.
+* Drop `Faraday::UploadIO` in favour of `Faraday::FilePart`.
 
 ## Faraday 1.0
 

lib/faraday/file_part.rb

@@ -52,12 +52,6 @@ module Faraday
   # @return [IO]
   FilePart = ::UploadIO
 
-  # Multipart value used to POST a file.
-  #
-  # @deprecated Use FilePart instead of this class. It behaves identically, with
-  #   a matching name to ParamPart.
-  UploadIO = ::UploadIO
-
   Parts = ::Parts
 
   # Similar to, but not compatible with CompositeReadIO provided by the

spec/faraday/request/multipart_spec.rb

@@ -157,7 +157,7 @@
       {
         a: 1,
         b: {
-          c: Faraday::UploadIO.new(__FILE__, 'text/x-ruby', nil,
+          c: Faraday::FilePart.new(__FILE__, 'text/x-ruby', nil,
                                    'Content-Disposition' => 'form-data; foo=1'),
           d: 2
         }
@@ -207,7 +207,7 @@
     let(:payload) do
       {
         json: Faraday::ParamPart.new(json, 'application/json'),
-        io: Faraday::UploadIO.new(io, 'application/pdf')
+        io: Faraday::FilePart.new(io, 'application/pdf')
       }
     end
 
@@ -239,7 +239,7 @@
       {
         a: 1,
         b: [{
-          c: Faraday::UploadIO.new(__FILE__, 'text/x-ruby'),
+          c: Faraday::FilePart.new(__FILE__, 'text/x-ruby'),
           d: 2
         }]
       }
@@ -284,8 +284,8 @@
       {
         a: 1,
         b: [
-          Faraday::UploadIO.new(io, 'application/pdf'),
-          Faraday::UploadIO.new(io, 'application/pdf')
+          Faraday::FilePart.new(io, 'application/pdf'),
+          Faraday::FilePart.new(io, 'application/pdf')
         ]
       }
     end

spec/faraday/request/retry_spec.rb

@@ -169,7 +169,7 @@
 
     it 'UploadIO: should rewind files on retry' do
       io = StringIO.new('Test data')
-      upload_io = Faraday::UploadIO.new(io, 'application/octet/stream')
+      upload_io = Faraday::FilePart.new(io, 'application/octet/stream')
 
       rewound = 0
       rewind = -> { rewound += 1 }