spec/frozen/1.8/language/private_spec.rb

   1 require File.dirname(__FILE__) + '/../spec_helper'
   2 require File.dirname(__FILE__) + '/fixtures/private'
   3
   4 describe "The private keyword" do
   5   it "marks following methods as being private" do
   6     a = Private::A.new
   7     a.methods.should_not include("bar")
   8     lambda { a.bar }.should raise_error(NoMethodError)
   9
  10     b = Private::B.new
  11     b.methods.should_not include("bar")
  12     lambda { b.bar }.should raise_error(NoMethodError)
  13   end
  14
  15   it "is overridden when a new class is opened" do
  16     c = Private::B::C.new
  17     c.methods.should include("baz")
  18     c.baz
  19     Private::B::public_class_method1.should == 1
  20     Private::B::public_class_method2.should == 2
  21     lambda { Private::B::private_class_method1 }.should raise_error(NoMethodError)
  22   end
  23
  24   it "is no longer in effect when the class is closed" do
  25     b = Private::B.new
  26     b.methods.should include("foo")
  27     b.foo
  28   end
  29
  30   it "changes visibility of previously called method" do
  31     f = Private::F.new
  32     f.foo
  33     module Private
  34       class F
  35         private :foo
  36       end
  37     end
  38     lambda { f.foo }.should raise_error(NoMethodError)
  39   end
  40
  41   it "changes visiblity of previously called methods with same send/call site" do
  42     g = Private::G.new
  43     lambda {
  44       2.times do
  45         g.foo
  46         module Private
  47           class G
  48             private :foo
  49           end
  50         end
  51       end
  52     }.should raise_error(NoMethodError)
  53   end
  54 end