paperclip update

vendor/plugins/paperclip/test/attachment_test.rb

@@ -0,0 +1,286 @@
+require 'test/helper'
+
+class Dummy
+  # This is a dummy class
+end
+
+class AttachmentTest < Test::Unit::TestCase
+  context "Attachment default_options" do
+    setup do
+      rebuild_model
+      @old_default_options = Paperclip::Attachment.default_options.dup
+      @new_default_options = @old_default_options.merge({
+        :path => "argle/bargle",
+        :url => "fooferon",
+        :default_url => "not here.png"
+      })
+    end
+
+    teardown do
+      Paperclip::Attachment.default_options.merge! @old_default_options
+    end
+
+    should "be overrideable" do
+      Paperclip::Attachment.default_options.merge!(@new_default_options)
+      @new_default_options.keys.each do |key|
+        assert_equal @new_default_options[key],
+                     Paperclip::Attachment.default_options[key]
+      end
+    end
+
+    context "without an Attachment" do
+      setup do
+        @dummy = Dummy.new
+      end
+
+      should "return false when asked exists?" do
+        assert !@dummy.avatar.exists?
+      end
+    end
+
+    context "on an Attachment" do
+      setup do
+        @dummy = Dummy.new
+        @attachment = @dummy.avatar
+      end
+
+      Paperclip::Attachment.default_options.keys.each do |key|
+        should "be the default_options for #{key}" do
+          assert_equal @old_default_options[key], 
+                       @attachment.instance_variable_get("@#{key}"),
+                       key
+        end
+      end
+
+      context "when redefined" do
+        setup do
+          Paperclip::Attachment.default_options.merge!(@new_default_options)
+          @dummy = Dummy.new
+          @attachment = @dummy.avatar
+        end
+
+        Paperclip::Attachment.default_options.keys.each do |key|
+          should "be the new default_options for #{key}" do
+            assert_equal @new_default_options[key],
+                         @attachment.instance_variable_get("@#{key}"),
+                         key
+          end
+        end
+      end
+    end
+  end
+
+  context "An attachment with similarly named interpolations" do
+    setup do
+      rebuild_model :path => ":id.omg/:id-bbq/:idwhat/:id_partition.wtf"
+      @dummy = Dummy.new
+      @dummy.stubs(:id).returns(1024)
+      @file = File.new(File.join(File.dirname(__FILE__),
+                                 "fixtures",
+                                 "5k.png"))
+      @dummy.avatar = @file
+    end
+
+    should "make sure that they are interpolated correctly" do
+      assert_equal "1024.omg/1024-bbq/1024what/000/001/024.wtf", @dummy.avatar.path
+    end
+  end
+
+  context "Assigning an attachment" do
+    setup do
+      rebuild_model
+
+      @not_file = mock
+      @not_file.stubs(:nil?).returns(false)
+      @not_file.expects(:to_tempfile).returns(self)
+      @not_file.expects(:original_filename).returns("filename.png\r\n")
+      @not_file.expects(:content_type).returns("image/png\r\n")
+      @not_file.expects(:size).returns(10)
+
+      @dummy = Dummy.new
+      @attachment = @dummy.avatar
+      @attachment.expects(:valid_assignment?).with(@not_file).returns(true)
+      @attachment.expects(:queue_existing_for_delete)
+      @attachment.expects(:post_process)
+      @attachment.expects(:validate)
+      @dummy.avatar = @not_file
+    end
+
+    should "strip whitespace from original_filename field" do
+      assert_equal "filename.png", @dummy.avatar.original_filename
+    end
+
+    should "strip whitespace from content_type field" do
+      assert_equal "image/png", @dummy.avatar.instance.avatar_content_type
+    end
+
+  end
+
+  context "Attachment with strange letters" do
+    setup do
+      rebuild_model
+
+      @not_file = mock
+      @not_file.stubs(:nil?).returns(false)
+      @not_file.expects(:to_tempfile).returns(self)
+      @not_file.expects(:original_filename).returns("sheep_say_bæ.png\r\n")
+      @not_file.expects(:content_type).returns("image/png\r\n")
+      @not_file.expects(:size).returns(10)
+
+      @dummy = Dummy.new
+      @attachment = @dummy.avatar
+      @attachment.expects(:valid_assignment?).with(@not_file).returns(true)
+      @attachment.expects(:queue_existing_for_delete)
+      @attachment.expects(:post_process)
+      @attachment.expects(:validate)
+      @dummy.avatar = @not_file
+    end
+
+    should "remove strange letters and replace with underscore (_)" do
+      assert_equal "sheep_say_b_.png", @dummy.avatar.original_filename
+    end
+
+  end
+
+  context "An attachment" do
+    setup do
+      Paperclip::Attachment.default_options.merge!({
+        :path => ":rails_root/tmp/:attachment/:class/:style/:id/:basename.:extension"
+      })
+      FileUtils.rm_rf("tmp")
+      @instance = stub
+      @instance.stubs(:id).returns(41)
+      @instance.stubs(:class).returns(Dummy)
+      @instance.stubs(:[]).with(:test_file_name).returns(nil)
+      @instance.stubs(:[]).with(:test_content_type).returns(nil)
+      @instance.stubs(:[]).with(:test_file_size).returns(nil)
+      @attachment = Paperclip::Attachment.new(:test,
+                                              @instance)
+      @file = File.new(File.join(File.dirname(__FILE__),
+                                 "fixtures",
+                                 "5k.png"))
+    end
+
+    should "return its default_url when no file assigned" do
+      assert @attachment.to_file.nil?
+      assert_equal "/tests/original/missing.png", @attachment.url
+      assert_equal "/tests/blah/missing.png", @attachment.url(:blah)
+    end
+
+    context "with a file assigned in the database" do
+      setup do
+        @instance.stubs(:[]).with(:test_file_name).returns("5k.png")
+        @instance.stubs(:[]).with(:test_content_type).returns("image/png")
+        @instance.stubs(:[]).with(:test_file_size).returns(12345)
+      end
+
+      should "return a correct url even if the file does not exist" do
+        assert_nil @attachment.to_file
+        assert_equal "/tests/41/blah/5k.png", @attachment.url(:blah)
+      end
+
+      should "return the proper path when filename has a single .'s" do
+        assert_equal "./test/../tmp/tests/dummies/original/41/5k.png", @attachment.path
+      end
+
+      should "return the proper path when filename has multiple .'s" do
+        @instance.stubs(:[]).with(:test_file_name).returns("5k.old.png")      
+        assert_equal "./test/../tmp/tests/dummies/original/41/5k.old.png", @attachment.path
+      end
+
+      context "when expecting three styles" do
+        setup do
+          styles = {:styles => { :large  => ["400x400", :png],
+                                 :medium => ["100x100", :gif],
+                                 :small => ["32x32#", :jpg]}}
+          @attachment = Paperclip::Attachment.new(:test,
+                                                  @instance,
+                                                  styles)
+        end
+
+        context "and assigned a file" do
+          setup do
+            @instance.expects(:[]=).with(:test_file_name,
+                                         File.basename(@file.path))
+            @instance.expects(:[]=).with(:test_content_type, "image/png")
+            @instance.expects(:[]=).with(:test_file_size, @file.size)
+            @instance.expects(:[]=).with(:test_file_name, nil)
+            @instance.expects(:[]=).with(:test_content_type, nil)
+            @instance.expects(:[]=).with(:test_file_size, nil)
+            @attachment.assign(@file)
+          end
+
+          should "be dirty" do
+            assert @attachment.dirty?
+          end
+
+          context "and saved" do
+            setup do
+              @attachment.save
+            end
+
+            should "return the real url" do
+              assert @attachment.to_file
+              assert_equal "/tests/41/original/5k.png", @attachment.url
+              assert_equal "/tests/41/small/5k.jpg", @attachment.url(:small)
+            end
+
+            should "commit the files to disk" do
+              [:large, :medium, :small].each do |style|
+                io = @attachment.to_io(style)
+                assert File.exists?(io)
+                assert ! io.is_a?(::Tempfile)
+              end
+            end
+
+            should "save the files as the right formats and sizes" do
+              [[:large, 400, 61, "PNG"],
+               [:medium, 100, 15, "GIF"],
+               [:small, 32, 32, "JPEG"]].each do |style|
+                cmd = "identify -format '%w %h %b %m' " + 
+                      "#{@attachment.to_io(style.first).path}"
+                out = `#{cmd}`
+                width, height, size, format = out.split(" ")
+                assert_equal style[1].to_s, width.to_s 
+                assert_equal style[2].to_s, height.to_s
+                assert_equal style[3].to_s, format.to_s
+              end
+            end
+
+            should "still have its #file attribute not be nil" do
+              assert ! @attachment.to_file.nil?
+            end
+
+            context "and deleted" do
+              setup do
+                @existing_names = @attachment.styles.keys.collect do |style|
+                  @attachment.path(style)
+                end
+                @instance.expects(:[]=).with(:test_file_name, nil)
+                @instance.expects(:[]=).with(:test_content_type, nil)
+                @instance.expects(:[]=).with(:test_file_size, nil)
+                @attachment.assign nil
+                @attachment.save
+              end
+
+              should "delete the files" do
+                @existing_names.each{|f| assert ! File.exists?(f) }
+              end
+            end
+          end
+        end
+      end
+
+    end
+
+    context "when trying a nonexistant storage type" do
+      setup do
+        rebuild_model :storage => :not_here
+      end
+
+      should "not be able to find the module" do
+        assert_raise(NameError){ Dummy.new.avatar }
+      end
+    end
+  end
+end