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module RSpec
module Matchers
class << self
# @private
attr_accessor :last_matcher, :last_expectation_handler
end
# @api private
# Used by rspec-core to clear the state used to generate
# descriptions after an example.
def self.clear_generated_description
self.last_matcher = nil
self.last_expectation_handler = nil
end
# @api private
# Generates an an example description based on the last expectation.
# Used by rspec-core's one-liner syntax.
def self.generated_description
return nil if last_expectation_handler.nil?
"#{last_expectation_handler.verb} #{last_description}"
end
# @private
def self.last_description
last_matcher.respond_to?(:description) ? last_matcher.description : <<-MESSAGE
When you call a matcher in an example without a String, like this:
specify { expect(object).to matcher }
or this:
it { is_expected.to matcher }
RSpec expects the matcher to have a #description method. You should either
add a String to the example this matcher is being used in, or give it a
description method. Then you won't have to suffer this lengthy warning again.
MESSAGE
end
end
end
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