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# frozen_string_literal: true
class Sinclair
module Matchers
# @api private
# @author darthjee
# @abstract
#
# Base class for add_method_to matcher
class AddMethodTo < RSpec::Matchers::BuiltIn::BaseMatcher
# @param method [SYmbol,String] method name
def initialize(method)
@method = method
end
# Checks if expectation is true or not
#
# @return [Boolean] expectation check
def matches?(event_proc)
return false unless event_proc.is_a?(Proc)
raise_block_syntax_error if block_given?
perform_change(event_proc)
added?
end
# definition needed for block matchers
def supports_block_expectations?
true
end
# Checkes if another instnce is equal self
#
# @return [Boolean]
def equal?(other)
return unless other.class == self.class
other.method == method &&
other.klass == klass
end
alias == equal?
protected
# @method method
# @private
#
# The method, to be checked, name
#
# @return [Symbol]
attr_reader :method
private
# @private
#
# Checks if a method was added (didn't exist before)
#
# @return Boolean
def added?
!@initial_state && @final_state
end
# @private
#
# Call block to check if it aded a method or not
#
# @return [Boolan]
def perform_change(event_proc)
@initial_state = method_defined?
event_proc.call
@final_state = method_defined?
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems