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69 lines
2.7 KiB
Ruby
69 lines
2.7 KiB
Ruby
require 'paperclip/matchers'
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module Paperclip
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# =Paperclip Shoulda Macros
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#
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# These macros are intended for use with shoulda, and will be included into
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# your tests automatically. All of the macros use the standard shoulda
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# assumption that the name of the test is based on the name of the model
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# you're testing (that is, UserTest is the test for the User model), and
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# will load that class for testing purposes.
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module Shoulda
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include Matchers
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# This will test whether you have defined your attachment correctly by
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# checking for all the required fields exist after the definition of the
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# attachment.
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def should_have_attached_file name
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klass = self.name.gsub(/Test$/, '').constantize
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matcher = have_attached_file name
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should matcher.description do
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assert_accepts(matcher, klass)
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end
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end
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# Tests for validations on the presence of the attachment.
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def should_validate_attachment_presence name
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klass = self.name.gsub(/Test$/, '').constantize
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matcher = validate_attachment_presence name
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should matcher.description do
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assert_accepts(matcher, klass)
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end
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end
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# Tests that you have content_type validations specified. There are two
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# options, :valid and :invalid. Both accept an array of strings. The
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# strings should be a list of content types which will pass and fail
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# validation, respectively.
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def should_validate_attachment_content_type name, options = {}
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klass = self.name.gsub(/Test$/, '').constantize
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valid = [options[:valid]].flatten
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invalid = [options[:invalid]].flatten
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matcher = validate_attachment_content_type(name).allowing(valid).rejecting(invalid)
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should matcher.description do
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assert_accepts(matcher, klass)
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end
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end
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# Tests to ensure that you have file size validations turned on. You
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# can pass the same options to this that you can to
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# validate_attachment_file_size - :less_than, :greater_than, and :in.
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# :less_than checks that a file is less than a certain size, :greater_than
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# checks that a file is more than a certain size, and :in takes a Range or
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# Array which specifies the lower and upper limits of the file size.
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def should_validate_attachment_size name, options = {}
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klass = self.name.gsub(/Test$/, '').constantize
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min = options[:greater_than] || (options[:in] && options[:in].first) || 0
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max = options[:less_than] || (options[:in] && options[:in].last) || (1.0/0)
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range = (min..max)
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matcher = validate_attachment_size(name).in(range)
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should matcher.description do
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assert_accepts(matcher, klass)
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end
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end
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end
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end
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class Test::Unit::TestCase #:nodoc:
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extend Paperclip::Shoulda
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end
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