Allow Tempfile to be passed to Twitter::API#update_with_media

Closes #306.

README.md

@@ -273,7 +273,7 @@ Here are some fun facts about the 3.0 release:
 
 * The entire library is implemented in just 2,000 lines of code
 * With over 5,000 lines of specs, the spec-to-code ratio is over 2.5:1
-* The spec suite contains 674 examples and runs in under 2 seconds on a MacBook
+* The spec suite contains 673 examples and runs in under 2 seconds on a MacBook
 * This project has 100% C0 code coverage (the tests execute every line of
   source code at least once)
 * At the time of release, this library is comprehensive: you can request all

lib/twitter/client.rb

@@ -92,7 +92,7 @@ def request(method, path, params={}, options={})
 
     def auth_header(method, uri, params={})
       # When posting a file, don't sign any params
-      signature_params = [:post, :put].include?(method.to_sym) && params.values.any?{|value| value.is_a?(File) || (value.is_a?(Hash) && (value[:io].is_a?(IO) || value[:io].is_a?(StringIO)))} ? {} : params
+      signature_params = [:post, :put].include?(method.to_sym) && params.values.any?{|value| value.respond_to?(:to_io) || (value.is_a?(Hash) && (value[:io].is_a?(IO) || value[:io].is_a?(StringIO)))} ? {} : params
       SimpleOAuth::Header.new(method, uri, signature_params, credentials)
     end
 

lib/twitter/request/multipart_with_file.rb

@@ -12,7 +12,7 @@ class << self
       def call(env)
         if env[:body].is_a?(Hash)
           env[:body].each do |key, value|
-            if value.is_a?(File)
+            if value.respond_to?(:to_io)
               env[:body][key] = Faraday::UploadIO.new(value, mime_type(value.path), value.path)
               env[:request_headers][CONTENT_TYPE] = self.class.mime_type
             elsif value.is_a?(Hash) && (value[:io].is_a?(IO) || value[:io].is_a?(StringIO))

spec/helper.rb

@@ -7,6 +7,8 @@
 
 require 'twitter'
 require 'rspec'
+require 'stringio'
+require 'tempfile'
 require 'timecop'
 require 'webmock/rspec'
 

spec/twitter/api/statuses_spec.rb

@@ -506,11 +506,7 @@
       it "returns a Tweet" do
         tweet = @client.update_with_media("You always have options", fixture("pbjt.gif"))
         tweet.should be_a Twitter::Tweet
-        tweet.text.should include("You always have options")
-      end
-      it 'returns the media as an entity' do
-        tweet = @client.update_with_media("You always have options", fixture("pbjt.gif"))
-        tweet.media.should be
+        tweet.text.should eq "You always have options http://t.co/CBYa7Ri"
       end
     end
     context "a jpe image" do
@@ -519,42 +515,40 @@
         a_post("/1/statuses/update_with_media.json", "https://upload.twitter.com").
           should have_been_made
       end
-      it 'returns the media as an entity' do
-        tweet = @client.update_with_media("You always have options", fixture("wildcomet2.jpe"))
-        tweet.media.should be
-      end
     end
     context "a jpeg image" do
       it "requests the correct resource" do
         @client.update_with_media("You always have options", fixture("me.jpeg"))
         a_post("/1/statuses/update_with_media.json", "https://upload.twitter.com").
           should have_been_made
       end
-      it 'returns the media as an entity' do
-        tweet = @client.update_with_media("You always have options", fixture("me.jpeg"))
-        tweet.media.should be
-      end
     end
     context "a png image" do
       it "requests the correct resource" do
         @client.update_with_media("You always have options", fixture("we_concept_bg2.png"))
         a_post("/1/statuses/update_with_media.json", "https://upload.twitter.com").
           should have_been_made
       end
-      it 'returns the media as an entity' do
-        tweet = @client.update_with_media("You always have options", fixture("we_concept_bg2.png"))
-        tweet.media.should be
+    end
+    context "a Tempfile" do
+      it "requests the correct resource" do
+        @client.update_with_media("You always have options", Tempfile.new("tmp"))
+        a_post("/1/statuses/update_with_media.json", "https://upload.twitter.com").
+          should have_been_made
       end
     end
     context "an IO" do
       it "requests the correct resource" do
-        @client.update_with_media("You always have options", {:io => StringIO.new, :type => 'gif'})
+        @client.update_with_media("You always have options", {:io => IO.sysopen(fixture_path + "/we_concept_bg2.png"), :type => 'png'})
         a_post("/1/statuses/update_with_media.json", "https://upload.twitter.com").
           should have_been_made
       end
-      it 'returns the media as an entity' do
-        tweet = @client.update_with_media("You always have options", {:io => StringIO.new, :type => 'gif'})
-        tweet.media.should be
+    end
+    context "a StringIO" do
+      it "requests the correct resource" do
+        @client.update_with_media("You always have options", {:io => StringIO.new, :type => 'png'})
+        a_post("/1/statuses/update_with_media.json", "https://upload.twitter.com").
+          should have_been_made
       end
     end
   end