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class VariableMatcher
class << self
attr_accessor :variables_method, :description
end
def initialize(variable)
@variable = variable.to_sym
end
def matches?(object)
@object = object
@object.send(self.class.variables_method).include? @variable
end
def failure_message
["Expected #{@object} to have #{self.class.description} '#{@variable}'",
"but it does not"]
end
def negative_failure_message
["Expected #{@object} NOT to have #{self.class.description} '#{@variable}'",
"but it does"]
end
end
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