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Contents
module Paperclip
module Shoulda
module Matchers
# Ensures that the given instance or class has an attachment with the
# given name.
#
# Example:
# describe User do
# it { should have_attached_file(:avatar) }
# end
def have_attached_file name
HaveAttachedFileMatcher.new(name)
end
class HaveAttachedFileMatcher
def initialize attachment_name
@attachment_name = attachment_name
end
def matches? subject
@subject = subject
@subject = @subject.class unless Class === @subject
responds? && has_column? && included?
end
def failure_message
"Should have an attachment named #{@attachment_name}"
end
def negative_failure_message
"Should not have an attachment named #{@attachment_name}"
end
def description
"have an attachment named #{@attachment_name}"
end
protected
def responds?
methods = @subject.instance_methods.map(&:to_s)
methods.include?("#{@attachment_name}") &&
methods.include?("#{@attachment_name}=") &&
methods.include?("#{@attachment_name}?")
end
def has_column?
@subject.column_names.include?("#{@attachment_name}_file_name")
end
def included?
@subject.ancestors.include?(Paperclip::InstanceMethods)
end
end
end
end
end
Version data entries
89 entries across 89 versions & 24 rubygems