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paperclip_test.rb
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paperclip_test.rb
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require 'test/helper'
class PaperclipTest < Test::Unit::TestCase
[:image_magick_path, :command_path].each do |path|
context "Calling Paperclip.run with #{path} specified" do
setup do
Paperclip.options[:image_magick_path] = nil
Paperclip.options[:command_path] = nil
Paperclip.options[path] = "/usr/bin"
end
should "return the expected path for path_for_command" do
assert_equal "/usr/bin/convert", Paperclip.path_for_command("convert")
end
should "execute the right command" do
Paperclip.expects(:path_for_command).with("convert").returns("/usr/bin/convert")
Paperclip.expects(:bit_bucket).returns("/dev/null")
Paperclip.expects(:"`").with("/usr/bin/convert 'one.jpg' 'two.jpg' 2>/dev/null")
Paperclip.run("convert", "one.jpg", "two.jpg")
end
end
end
context "Calling Paperclip.run with no path specified" do
setup do
Paperclip.options[:image_magick_path] = nil
Paperclip.options[:command_path] = nil
end
should "return the expected path fro path_for_command" do
assert_equal "convert", Paperclip.path_for_command("convert")
end
should "execute the right command" do
Paperclip.expects(:path_for_command).with("convert").returns("convert")
Paperclip.expects(:bit_bucket).returns("/dev/null")
Paperclip.expects(:"`").with("convert 'one.jpg' 'two.jpg' 2>/dev/null")
Paperclip.run("convert", "one.jpg", "two.jpg")
end
end
context "Calling Paperclip.run and logging" do
should "log the command when :log_command is true" do
Paperclip.options[:image_magick_path] = nil
Paperclip.options[:command_path] = nil
Paperclip.stubs(:bit_bucket).returns("/dev/null")
Paperclip.expects(:log).with("this 'is the command' 2>/dev/null")
Paperclip.expects(:"`").with("this 'is the command' 2>/dev/null")
Paperclip.options[:log_command] = true
Paperclip.run("this","is the command")
end
should "not log the command when :log_command is false" do
Paperclip.options[:image_magick_path] = nil
Paperclip.options[:command_path] = nil
Paperclip.stubs(:bit_bucket).returns("/dev/null")
Paperclip.expects(:log).with("this 'is the command' 2>/dev/null").never
Paperclip.expects(:"`").with("this 'is the command' 2>/dev/null")
Paperclip.options[:log_command] = false
Paperclip.run("this","is the command")
end
end
context "Calling Paperclip.run when the command is not found" do
should "tell you the command isn't there if the shell returns 127" do
begin
assert_raises(Paperclip::CommandNotFoundError) do
`ruby -e 'exit 127'` # Stub $?.exitstatus to be 127, i.e. Command Not Found.
Paperclip.stubs(:"`").returns("")
Paperclip.run("command")
end
ensure
`ruby -e 'exit 0'` # Unstub $?.exitstatus
end
end
should "tell you the command isn't there if an ENOENT is raised" do
assert_raises(Paperclip::CommandNotFoundError) do
Paperclip.stubs(:"`").raises(Errno::ENOENT)
Paperclip.run("command")
end
end
end
should "prevent dangerous characters in the command via quoting" do
Paperclip.options[:image_magick_path] = nil
Paperclip.options[:command_path] = nil
Paperclip.options[:log_command] = false
Paperclip.options[:swallow_stderr] = false
Paperclip.expects(:"`").with(%q[this 'is' 'jack'\''s' '`command`' 'line!'])
Paperclip.run("this", "is", "jack's", "`command`", "line!")
end
context "Paperclip.bit_bucket" do
context "on systems without /dev/null" do
setup do
File.expects(:exists?).with("/dev/null").returns(false)
end
should "return 'NUL'" do
assert_equal "NUL", Paperclip.bit_bucket
end
end
context "on systems with /dev/null" do
setup do
File.expects(:exists?).with("/dev/null").returns(true)
end
should "return '/dev/null'" do
assert_equal "/dev/null", Paperclip.bit_bucket
end
end
end
should "raise when sent #processor and the name of a class that exists but isn't a subclass of Processor" do
assert_raises(Paperclip::PaperclipError){ Paperclip.processor(:attachment) }
end
should "raise when sent #processor and the name of a class that doesn't exist" do
assert_raises(NameError){ Paperclip.processor(:boogey_man) }
end
should "return a class when sent #processor and the name of a class under Paperclip" do
assert_equal ::Paperclip::Thumbnail, Paperclip.processor(:thumbnail)
end
context "An ActiveRecord model with an 'avatar' attachment" do
setup do
rebuild_model :path => "tmp/:class/omg/:style.:extension"
@file = File.new(File.join(FIXTURES_DIR, "5k.png"), 'rb')
end
teardown { @file.close }
should "not error when trying to also create a 'blah' attachment" do
assert_nothing_raised do
Dummy.class_eval do
has_attached_file :blah
end
end
end
context "that is attr_protected" do
setup do
Dummy.class_eval do
attr_protected :avatar
end
@dummy = Dummy.new
end
should "not assign the avatar on mass-set" do
@dummy.attributes = { :other => "I'm set!",
:avatar => @file }
assert_equal "I'm set!", @dummy.other
assert ! @dummy.avatar?
end
should "still allow assigment on normal set" do
@dummy.other = "I'm set!"
@dummy.avatar = @file
assert_equal "I'm set!", @dummy.other
assert @dummy.avatar?
end
end
context "with a subclass" do
setup do
class ::SubDummy < Dummy; end
end
should "be able to use the attachment from the subclass" do
assert_nothing_raised do
@subdummy = SubDummy.create(:avatar => @file)
end
end
should "be able to see the attachment definition from the subclass's class" do
assert_equal "tmp/:class/omg/:style.:extension",
SubDummy.attachment_definitions[:avatar][:path]
end
teardown do
Object.send(:remove_const, "SubDummy") rescue nil
end
end
should "have an #avatar method" do
assert Dummy.new.respond_to?(:avatar)
end
should "have an #avatar= method" do
assert Dummy.new.respond_to?(:avatar=)
end
context "that is valid" do
setup do
@dummy = Dummy.new
@dummy.avatar = @file
end
should "be valid" do
assert @dummy.valid?
end
end
context "a validation with an if guard clause" do
setup do
Dummy.send(:"validates_attachment_presence", :avatar, :if => lambda{|i| i.foo })
@dummy = Dummy.new
@dummy.stubs(:avatar_file_name).returns(nil)
end
should "attempt validation if the guard returns true" do
@dummy.expects(:foo).returns(true)
assert ! @dummy.valid?
end
should "not attempt validation if the guard returns false" do
@dummy.expects(:foo).returns(false)
assert @dummy.valid?
end
end
context "a validation with an unless guard clause" do
setup do
Dummy.send(:"validates_attachment_presence", :avatar, :unless => lambda{|i| i.foo })
@dummy = Dummy.new
@dummy.stubs(:avatar_file_name).returns(nil)
end
should "attempt validation if the guard returns true" do
@dummy.expects(:foo).returns(false)
assert ! @dummy.valid?
end
should "not attempt validation if the guard returns false" do
@dummy.expects(:foo).returns(true)
assert @dummy.valid?
end
end
def self.should_validate validation, options, valid_file, invalid_file
context "with #{validation} validation and #{options.inspect} options" do
setup do
Dummy.send(:"validates_attachment_#{validation}", :avatar, options)
@dummy = Dummy.new
end
context "and assigning nil" do
setup do
@dummy.avatar = nil
@dummy.valid?
end
if validation == :presence
should "have an error on the attachment" do
assert @dummy.errors[:avatar_file_name]
end
else
should "not have an error on the attachment" do
assert @dummy.errors[:avatar_file_name].blank?, @dummy.errors.full_messages.join(", ")
end
end
end
context "and assigned a valid file" do
setup do
@dummy.avatar = valid_file
@dummy.valid?
end
should "not have an error when assigned a valid file" do
assert_equal 0, @dummy.errors.length, @dummy.errors.full_messages.join(", ")
end
end
context "and assigned an invalid file" do
setup do
@dummy.avatar = invalid_file
@dummy.valid?
end
should "have an error when assigned a valid file" do
assert @dummy.errors.length > 0
end
end
end
end
[[:presence, {}, "5k.png", nil],
[:size, {:in => 1..10240}, "5k.png", "12k.png"],
[:size, {:less_than => 10240}, "5k.png", "12k.png"],
[:size, {:greater_than => 8096}, "12k.png", "5k.png"],
[:content_type, {:content_type => "image/png"}, "5k.png", "text.txt"],
[:content_type, {:content_type => "text/plain"}, "text.txt", "5k.png"],
[:content_type, {:content_type => %r{image/.*}}, "5k.png", "text.txt"]].each do |args|
validation, options, valid_file, invalid_file = args
valid_file &&= File.open(File.join(FIXTURES_DIR, valid_file), "rb")
invalid_file &&= File.open(File.join(FIXTURES_DIR, invalid_file), "rb")
should_validate validation, options, valid_file, invalid_file
end
context "with size validation and less_than 10240 option" do
context "and assigned an invalid file" do
setup do
Dummy.send(:"validates_attachment_size", :avatar, :less_than => 10240)
@dummy = Dummy.new
@dummy.avatar &&= File.open(File.join(FIXTURES_DIR, "12k.png"), "rb")
@dummy.valid?
end
should "have a file size min/max error message" do
assert @dummy.errors[:avatar_file_size] =~ %r/between 0 and 10240 bytes/
end
end
end
end
end