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[selectricity] / vendor / plugins / attachment_fu / test / processors / rmagick_test.rb
1 require File.expand_path(File.join(File.dirname(__FILE__), '..', 'test_helper'))
2
3 class RmagickTest < Test::Unit::TestCase
4   attachment_model Attachment
5
6   if Object.const_defined?(:Magick)
7     def test_should_create_image_from_uploaded_file
8       assert_created do
9         attachment = upload_file :filename => '/files/rails.png'
10         assert_valid attachment
11         assert !attachment.db_file.new_record? if attachment.respond_to?(:db_file)
12         assert  attachment.image?
13         assert !attachment.size.zero?
14         #assert_equal 1784, attachment.size
15         assert_equal 50,   attachment.width
16         assert_equal 64,   attachment.height
17         assert_equal '50x64', attachment.image_size
18       end
19     end
20     
21     def test_should_create_image_from_uploaded_file_with_custom_content_type
22       assert_created do
23         attachment = upload_file :content_type => 'foo/bar', :filename => '/files/rails.png'
24         assert_valid attachment
25         assert !attachment.image?
26         assert !attachment.db_file.new_record? if attachment.respond_to?(:db_file)
27         assert !attachment.size.zero?
28         #assert_equal 1784, attachment.size
29         assert_nil attachment.width
30         assert_nil attachment.height
31         assert_equal [], attachment.thumbnails
32       end
33     end
34     
35     def test_should_create_thumbnail
36       attachment = upload_file :filename => '/files/rails.png'
37       
38       assert_created do
39         basename, ext = attachment.filename.split '.'
40         thumbnail = attachment.create_or_update_thumbnail(attachment.create_temp_file, 'thumb', 50, 50)
41         assert_valid thumbnail
42         assert !thumbnail.size.zero?
43         #assert_in_delta 4673, thumbnail.size, 2
44         assert_equal 50,   thumbnail.width
45         assert_equal 50,   thumbnail.height
46         assert_equal [thumbnail.id], attachment.thumbnails.collect(&:id)
47         assert_equal attachment.id,  thumbnail.parent_id if thumbnail.respond_to?(:parent_id)
48         assert_equal "#{basename}_thumb.#{ext}", thumbnail.filename
49       end
50     end
51     
52     def test_should_create_thumbnail_with_geometry_string
53       attachment = upload_file :filename => '/files/rails.png'
54       
55       assert_created do
56         basename, ext = attachment.filename.split '.'
57         thumbnail = attachment.create_or_update_thumbnail(attachment.create_temp_file, 'thumb', 'x50')
58         assert_valid thumbnail
59         assert !thumbnail.size.zero?
60         #assert_equal 3915, thumbnail.size
61         assert_equal 39,   thumbnail.width
62         assert_equal 50,   thumbnail.height
63         assert_equal [thumbnail], attachment.thumbnails
64         assert_equal attachment.id,  thumbnail.parent_id if thumbnail.respond_to?(:parent_id)
65         assert_equal "#{basename}_thumb.#{ext}", thumbnail.filename
66       end
67     end
68     
69     def test_should_resize_image(klass = ImageAttachment)
70       attachment_model klass
71       assert_equal [50, 50], attachment_model.attachment_options[:resize_to]
72       attachment = upload_file :filename => '/files/rails.png'
73       assert_valid attachment
74       assert !attachment.db_file.new_record? if attachment.respond_to?(:db_file)
75       assert  attachment.image?
76       assert !attachment.size.zero?
77       #assert_in_delta 4673, attachment.size, 2
78       assert_equal 50, attachment.width
79       assert_equal 50, attachment.height
80     end
81     
82     test_against_subclass :test_should_resize_image, ImageAttachment
83     
84     def test_should_resize_image_with_geometry(klass = ImageOrPdfAttachment)
85       attachment_model klass
86       assert_equal 'x50', attachment_model.attachment_options[:resize_to]
87       attachment = upload_file :filename => '/files/rails.png'
88       assert_valid attachment
89       assert !attachment.db_file.new_record? if attachment.respond_to?(:db_file)
90       assert  attachment.image?
91       assert !attachment.size.zero?
92       #assert_equal 3915, attachment.size
93       assert_equal 39,   attachment.width
94       assert_equal 50,   attachment.height
95     end
96     
97     test_against_subclass :test_should_resize_image_with_geometry, ImageOrPdfAttachment
98     
99     def test_should_give_correct_thumbnail_filenames(klass = ImageWithThumbsFileAttachment)
100       attachment_model klass
101       assert_created 3 do
102         attachment = upload_file :filename => '/files/rails.png'
103         thumb      = attachment.thumbnails.detect { |t| t.filename =~ /_thumb/ }
104         geo        = attachment.thumbnails.detect { |t| t.filename =~ /_geometry/ }
105         
106         [attachment, thumb, geo].each { |record| assert_valid record }
107     
108         assert_match /rails\.png$/,          attachment.full_filename
109         assert_match /rails_geometry\.png$/, attachment.full_filename(:geometry)
110         assert_match /rails_thumb\.png$/,    attachment.full_filename(:thumb)
111       end
112     end
113     
114     test_against_subclass :test_should_give_correct_thumbnail_filenames, ImageWithThumbsFileAttachment
115     
116     def test_should_automatically_create_thumbnails(klass = ImageWithThumbsAttachment)
117       attachment_model klass
118       assert_created 3 do
119         attachment = upload_file :filename => '/files/rails.png'
120         assert_valid attachment
121         assert !attachment.size.zero?
122         #assert_equal 1784, attachment.size
123         assert_equal 55,   attachment.width
124         assert_equal 55,   attachment.height
125         assert_equal 2,    attachment.thumbnails.length
126         assert_equal 1.0,  attachment.aspect_ratio
127         
128         thumb = attachment.thumbnails.detect { |t| t.filename =~ /_thumb/ }
129         assert !thumb.new_record?, thumb.errors.full_messages.join("\n")
130         assert !thumb.size.zero?
131         #assert_in_delta 4673, thumb.size, 2
132         assert_equal 50,   thumb.width
133         assert_equal 50,   thumb.height
134         assert_equal 1.0,  thumb.aspect_ratio
135         
136         geo   = attachment.thumbnails.detect { |t| t.filename =~ /_geometry/ }
137         assert !geo.new_record?, geo.errors.full_messages.join("\n")
138         assert !geo.size.zero?
139         #assert_equal 3915, geo.size
140         assert_equal 50,   geo.width
141         assert_equal 50,   geo.height
142         assert_equal 1.0,  geo.aspect_ratio
143       end
144     end
145     
146     test_against_subclass :test_should_automatically_create_thumbnails, ImageWithThumbsAttachment
147     
148     # same as above method, but test it on a file model
149     test_against_class :test_should_automatically_create_thumbnails, ImageWithThumbsFileAttachment
150     test_against_subclass :test_should_automatically_create_thumbnails_on_class, ImageWithThumbsFileAttachment
151     
152     def test_should_use_thumbnail_subclass(klass = ImageWithThumbsClassFileAttachment)
153       attachment_model klass
154       attachment = nil
155       assert_difference ImageThumbnail, :count do
156         attachment = upload_file :filename => '/files/rails.png'
157         assert_valid attachment
158       end
159       assert_kind_of ImageThumbnail,  attachment.thumbnails.first
160       if attachment.thumbnails.first.respond_to?(:parent)
161         assert_equal attachment.id,     attachment.thumbnails.first.parent.id
162         assert_kind_of FileAttachment,  attachment.thumbnails.first.parent
163       end
164       assert_equal 'rails_thumb.png', attachment.thumbnails.first.filename
165       assert_equal attachment.thumbnails.first.full_filename, attachment.full_filename(attachment.thumbnails.first.thumbnail),
166         "#full_filename does not use thumbnail class' path."
167       assert_equal attachment.destroy, attachment
168     end
169     
170     test_against_subclass :test_should_use_thumbnail_subclass, ImageWithThumbsClassFileAttachment
171     
172     def test_should_remove_old_thumbnail_files_when_updating(klass = ImageWithThumbsFileAttachment)
173       attachment_model klass
174       attachment = nil
175       assert_created 3 do
176         attachment = upload_file :filename => '/files/rails.png'
177       end
178     
179       old_filenames = [attachment.full_filename] + attachment.thumbnails.collect(&:full_filename)
180     
181       assert_not_created do
182         use_temp_file "files/rails.png" do |file|
183           attachment.filename        = 'rails2.png'
184           attachment.temp_paths.unshift File.join(fixture_path, file)
185           attachment.save
186           new_filenames = [attachment.reload.full_filename] + attachment.thumbnails.collect { |t| t.reload.full_filename }
187           new_filenames.each { |f| assert  File.exists?(f), "#{f} does not exist" }
188           old_filenames.each { |f| assert !File.exists?(f), "#{f} still exists" }
189         end
190       end
191     end
192     
193     test_against_subclass :test_should_remove_old_thumbnail_files_when_updating, ImageWithThumbsFileAttachment
194     
195     def test_should_delete_file_when_in_file_system_when_attachment_record_destroyed(klass = ImageWithThumbsFileAttachment)
196       attachment_model klass
197       attachment = upload_file :filename => '/files/rails.png'
198       filenames = [attachment.full_filename] + attachment.thumbnails.collect(&:full_filename)
199       filenames.each { |f| assert  File.exists?(f),  "#{f} never existed to delete on destroy" }
200       attachment.destroy
201       filenames.each { |f| assert !File.exists?(f),  "#{f} still exists" }
202     end
203     
204     test_against_subclass :test_should_delete_file_when_in_file_system_when_attachment_record_destroyed, ImageWithThumbsFileAttachment
205     
206     def test_should_have_full_filename_method(klass = FileAttachment)
207       attachment_model klass
208       attachment = upload_file :filename => '/files/rails.png'
209       assert_respond_to attachment, :full_filename
210     end
211     
212     test_against_subclass :test_should_have_full_filename_method, FileAttachment
213     
214     def test_should_overwrite_old_thumbnail_records_when_updating(klass = ImageWithThumbsAttachment)
215       attachment_model klass
216       attachment = nil
217       assert_created 3 do
218         attachment = upload_file :filename => '/files/rails.png'
219       end
220       assert_not_created do # no new db_file records
221         use_temp_file "files/rails.png" do |file|
222           attachment.filename             = 'rails2.png'
223           # The above test (#test_should_have_full_filename_method) to pass before be can set the temp_path below -- 
224           # #temp_path calls #full_filename, which is not getting mixed into the attachment.  Maybe we don't need to
225           # set temp_path at all?
226           #
227           # attachment.temp_paths.unshift File.join(fixture_path, file)
228           attachment.save!
229         end
230       end
231     end
232     
233     test_against_subclass :test_should_overwrite_old_thumbnail_records_when_updating, ImageWithThumbsAttachment
234     
235     def test_should_overwrite_old_thumbnail_records_when_renaming(klass = ImageWithThumbsAttachment)
236       attachment_model klass
237       attachment = nil
238       assert_created 3 do
239         attachment = upload_file :class => klass, :filename => '/files/rails.png'
240       end
241       assert_not_created do # no new db_file records
242         attachment.filename = 'rails2.png'
243         attachment.save
244         assert !attachment.reload.size.zero?
245         assert_equal 'rails2.png', attachment.filename
246       end
247     end
248     
249     test_against_subclass :test_should_overwrite_old_thumbnail_records_when_renaming, ImageWithThumbsAttachment
250   else
251     def test_flunk
252       puts "RMagick not installed, no tests running"
253     end
254   end
255 end

Benjamin Mako Hill || Want to submit a patch?