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require File.expand_path('../../spec_helper', __FILE__)
require File.expand_path('../fixtures/private', __FILE__)
describe "The private keyword" do
it "marks following methods as being private" do
a = Private::A.new
a.methods.should_not include(:bar)
lambda { a.bar }.should raise_error(NoMethodError)
b = Private::B.new
b.methods.should_not include(:bar)
lambda { b.bar }.should raise_error(NoMethodError)
end
# def expr.meth() methods are always public
it "has no effect on def expr.meth() methods" do
Private::B.public_defs_method.should == 0
end
it "is overridden when a new class is opened" do
c = Private::B::C.new
c.methods.should include(:baz)
c.baz
Private::B.public_class_method1.should == 1
lambda { Private::B.private_class_method1 }.should raise_error(NoMethodError)
end
it "is no longer in effect when the class is closed" do
b = Private::B.new
b.methods.should include(:foo)
b.foo
end
it "changes visibility of previously called method" do
klass = Class.new do
def foo
"foo"
end
end
f = klass.new
f.foo
klass.class_eval do
private :foo
end
lambda { f.foo }.should raise_error(NoMethodError)
end
it "changes visiblity of previously called methods with same send/call site" do
g = ::Private::G.new
lambda {
2.times do
g.foo
module ::Private
class G
private :foo
end
end
end
}.should raise_error(NoMethodError)
end
it "changes the visibility of the existing method in the subclass" do
::Private::A.new.foo.should == 'foo'
lambda {::Private::H.new.foo}.should raise_error(NoMethodError)
::Private::H.new.send(:foo).should == 'foo'
end
end
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