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Versions: 22
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Contents
module Shoulda
module Matchers
module ActiveRecord
module AssociationMatchers
# @private
class ThroughMatcher
attr_accessor :missing_option
def initialize(through, name)
@through = through
@name = name
@missing_option = ''
end
def description
"through #{through}"
end
def matches?(subject)
self.subject = ModelReflector.new(subject, name)
through.nil? || association_set_properly?
end
def association_set_properly?
through_association_exists? && through_association_correct?
end
def through_association_exists?
if through_reflection.present?
true
else
self.missing_option = "#{name} does not have any relationship to #{through}"
false
end
end
def through_reflection
@through_reflection ||= subject.reflect_on_association(through)
end
def through_association_correct?
if option_verifier.correct_for_string?(:through, through)
true
else
self.missing_option =
"Expected #{name} to have #{name} through #{through}, " +
"but got it through #{option_verifier.actual_value_for(:through)}"
false
end
end
protected
attr_accessor :through, :name, :subject
def option_verifier
@option_verifier ||= OptionVerifier.new(subject)
end
end
end
end
end
end
Version data entries
22 entries across 22 versions & 2 rubygems