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Contents
module Paperclip
module Shoulda
module Matchers
def validate_attachment_presence name
ValidateAttachmentPresenceMatcher.new(name)
end
class ValidateAttachmentPresenceMatcher
def initialize attachment_name
@attachment_name = attachment_name
end
def matches? subject
@subject = subject
error_when_not_valid? && no_error_when_valid?
end
def failure_message
"Attachment #{@attachment_name} should be required"
end
def negative_failure_message
"Attachment #{@attachment_name} should not be required"
end
def description
"require presence of attachment #{@attachment_name}"
end
protected
def error_when_not_valid?
(subject = @subject.new).send(@attachment_name).assign(nil)
subject.valid?
not subject.errors.on(:"#{@attachment_name}_file_name").blank?
end
def no_error_when_valid?
@file = StringIO.new(".")
(subject = @subject.new).send(@attachment_name).assign(@file)
subject.valid?
subject.errors.on(:"#{@attachment_name}_file_name").blank?
end
end
end
end
end
Version data entries
17 entries across 17 versions & 7 rubygems