spec/mspec/lib/mspec/matchers/have_private_instance_method.rb


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

require 'mspec/matchers/method'

class HavePrivateInstanceMethodMatcher < MethodMatcher
  def matches?(mod)
    @mod = mod
    mod.private_instance_methods(@include_super).include? @method
  end

  def failure_message
    ["Expected #{@mod} to have private instance method '#{@method.to_s}'",
     "but it does not"]
  end

  def negative_failure_message
    ["Expected #{@mod} NOT to have private instance method '#{@method.to_s}'",
     "but it does"]
  end
end

class Object
  def have_private_instance_method(method, include_super=true)
    HavePrivateInstanceMethodMatcher.new method, include_super
  end
end