Test for r18158 (#22481).

Patch by Go MAEDA.


git-svn-id: http://svn.redmine.org/redmine/trunk@18159 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/attachments.yml

@@ -295,3 +295,17 @@ attachments_022:
   author_id: 1
   description: unknown type
   content_type:
+attachments_023:
+  created_on: 2019-05-11 14:18:19 +09:00
+  content_type: application/pdf
+  container_type: WikiPage
+  container_id: 1
+  downloads: 0
+  disk_filename: 190511141819_ecookbook-gantt.pdf
+  disk_directory: "2019/05"
+  digest: da9c52e79d9eee7d47b9ee5db477985c542ea683e9f23ed32db55e35ef99c479
+  id: 23
+  filesize: 31620
+  filename: ecookbook-gantt.pdf
+  author_id: 2
+  description: Gantt chart as of May 11

test/functional/attachments_controller_test.rb

@@ -404,6 +404,16 @@ class AttachmentsControllerTest < Redmine::ControllerTest
       assert_response 304
     end
 
+    def test_thumbnail_for_pdf_should_be_png
+      Attachment.clear_thumbnails
+      @request.session[:user_id] = 2
+      get :thumbnail, :params => {
+          :id => 23   # ecookbook-gantt.pdf
+        }
+      assert_response :success
+      assert_equal 'image/png', response.content_type
+    end
+
     def test_thumbnail_should_not_exceed_maximum_size
       Redmine::Thumbnail.expects(:generate).with {|source, target, size| size == 800}
 

test/unit/attachment_test.rb

@@ -425,13 +425,24 @@ class AttachmentTest < ActiveSupport::TestCase
   if convert_installed?
     def test_thumbnail_should_generate_the_thumbnail
       set_fixtures_attachments_directory
-      attachment = Attachment.find(16)
       Attachment.clear_thumbnails
+      to_test = []
+      # image/png
+      to_test << Attachment.find(16)
+      # application/pdf
+      if Redmine::Thumbnail.gs_available?
+        to_test << Attachment.find(23)
+      else
+        puts '(Ghostscript not available)'
+      end
 
-      assert_difference "Dir.glob(File.join(Attachment.thumbnails_storage_path, '*.thumb')).size" do
-        thumbnail = attachment.thumbnail
-        assert_equal "8e0294de2441577c529f170b6fb8f638_2654_100.thumb", File.basename(thumbnail)
-        assert File.exists?(thumbnail)
+      assert_difference "Dir.glob(File.join(Attachment.thumbnails_storage_path, '*.thumb')).size", to_test.size do
+        to_test.each do |attachment|
+          thumbnail = attachment.thumbnail
+          thumbnail_name = "#{attachment.digest}_#{attachment.filesize}_#{Setting.thumbnails_size}.thumb"
+          assert_equal thumbnail_name, File.basename(thumbnail)
+          assert File.exist?(thumbnail)
+        end
       end
     end