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require './test/helper'
class PaperclipMissingAttachmentStylesTest < Test::Unit::TestCase
context "Paperclip" do
setup do
Paperclip.classes_with_attachments = Set.new
end
teardown do
File.unlink(Paperclip.registered_attachments_styles_path) rescue nil
end
should "be able to keep list of models using it" do
assert_kind_of Set, Paperclip.classes_with_attachments
assert Paperclip.classes_with_attachments.empty?, 'list should be empty'
rebuild_model
assert_equal ['Dummy'].to_set, Paperclip.classes_with_attachments
end
should "enable to get and set path to registered styles file" do
assert_equal ROOT.join('public/system/paperclip_attachments.yml').to_s, Paperclip.registered_attachments_styles_path
Paperclip.registered_attachments_styles_path = '/tmp/config/paperclip_attachments.yml'
assert_equal '/tmp/config/paperclip_attachments.yml', Paperclip.registered_attachments_styles_path
Paperclip.registered_attachments_styles_path = nil
assert_equal ROOT.join('public/system/paperclip_attachments.yml').to_s, Paperclip.registered_attachments_styles_path
end
should "be able to get current attachment styles" do
assert_equal Hash.new, Paperclip.send(:current_attachments_styles)
rebuild_model :styles => {:croppable => '600x600>', :big => '1000x1000>'}
expected_hash = { :Dummy => {:avatar => [:big, :croppable]}}
assert_equal expected_hash, Paperclip.send(:current_attachments_styles)
end
should "be able to save current attachment styles for further comparison" do
rebuild_model :styles => {:croppable => '600x600>', :big => '1000x1000>'}
Paperclip.save_current_attachments_styles!
expected_hash = { :Dummy => {:avatar => [:big, :croppable]}}
assert_equal expected_hash, YAML.load_file(Paperclip.registered_attachments_styles_path)
end
should "be able to read registered attachment styles from file" do
rebuild_model :styles => {:croppable => '600x600>', :big => '1000x1000>'}
Paperclip.save_current_attachments_styles!
expected_hash = { :Dummy => {:avatar => [:big, :croppable]}}
assert_equal expected_hash, Paperclip.send(:get_registered_attachments_styles)
end
should "be able to calculate differences between registered styles and current styles" do
rebuild_model :styles => {:croppable => '600x600>', :big => '1000x1000>'}
Paperclip.save_current_attachments_styles!
rebuild_model :styles => {:thumb => 'x100', :export => 'x400>', :croppable => '600x600>', :big => '1000x1000>'}
expected_hash = { :Dummy => {:avatar => [:export, :thumb]} }
assert_equal expected_hash, Paperclip.missing_attachments_styles
ActiveRecord::Base.connection.create_table :books, :force => true
class ::Book < ActiveRecord::Base
has_attached_file :cover, :styles => {:small => 'x100', :large => '1000x1000>'}
has_attached_file :sample, :styles => {:thumb => 'x100'}
end
expected_hash = {
:Dummy => {:avatar => [:export, :thumb]},
:Book => {:sample => [:thumb], :cover => [:large, :small]}
}
assert_equal expected_hash, Paperclip.missing_attachments_styles
Paperclip.save_current_attachments_styles!
assert_equal Hash.new, Paperclip.missing_attachments_styles
end
should "be able to calculate differences when a new attachment is added to a model" do
rebuild_model :styles => {:croppable => '600x600>', :big => '1000x1000>'}
Paperclip.save_current_attachments_styles!
class ::Dummy
has_attached_file :photo, :styles => {:small => 'x100', :large => '1000x1000>'}
end
expected_hash = {
:Dummy => {:photo => [:large, :small]}
}
assert_equal expected_hash, Paperclip.missing_attachments_styles
Paperclip.save_current_attachments_styles!
assert_equal Hash.new, Paperclip.missing_attachments_styles
end
# It's impossible to build styles hash without loading from database whole bunch of records
should "skip lambda-styles" do
rebuild_model :styles => lambda{ |attachment| attachment.instance.other == 'a' ? {:thumb => "50x50#"} : {:large => "400x400"} }
assert_equal Hash.new, Paperclip.send(:current_attachments_styles)
end
end
end
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