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test_attachment.rb
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test_attachment.rb
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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