Processor#identify and #convert instance methods

lib/paperclip/processor.rb

@@ -32,6 +32,18 @@ module Paperclip
     def self.make file, options = {}, attachment = nil
       new(file, options, attachment).make
     end
+
+    # The convert method runs the convert binary with the provided arguments.
+    # See Paperclip.run for the available options.
+    def convert(arguments = "", local_options = {})
+      Paperclip.run('convert', arguments, local_options)
+    end
+
+    # The identify method runs the identify binary with the provided arguments.
+    # See Paperclip.run for the available options.
+    def identify(arguments = "", local_options = {})
+      Paperclip.run('identify', arguments, local_options)
+    end
   end
 
   module ProcessorHelpers

lib/paperclip/thumbnail.rb

@@ -73,7 +73,7 @@ module Paperclip
 
         parameters = parameters.flatten.compact.join(" ").strip.squeeze(" ")
 
-        success = Paperclip.run("convert", parameters, :source => "#{File.expand_path(src.path)}#{'[0]' unless animated?}", :dest => File.expand_path(dst.path))
+        success = convert(parameters, :source => "#{File.expand_path(src.path)}#{'[0]' unless animated?}", :dest => File.expand_path(dst.path))
       rescue Cocaine::ExitStatusError => e
         raise Paperclip::Error, "There was an error processing the thumbnail for #{@basename}" if @whiny
       rescue Cocaine::CommandNotFoundError => e

test/processor_test.rb

@@ -7,4 +7,20 @@ class ProcessorTest < Test::Unit::TestCase
     Paperclip::Processor.expects(:new).with(:one, :two, :three).returns(processor)
     Paperclip::Processor.make(:one, :two, :three)
   end
+
+  context "Calling #convert" do
+    should "run the convert command with Cocaine" do
+      Paperclip.options[:log_command] = false
+      Cocaine::CommandLine.expects(:new).with("convert", "stuff", {}).returns(stub(:run))
+      Paperclip::Processor.new('filename').convert("stuff")
+    end
+  end
+
+  context "Calling #identify" do
+    should "run the identify command with Cocaine" do
+      Paperclip.options[:log_command] = false
+      Cocaine::CommandLine.expects(:new).with("identify", "stuff", {}).returns(stub(:run))
+      Paperclip::Processor.new('filename').identify("stuff")
+    end
+  end
 end