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require 'spec_helper'
require 'extlib/module'
describe Module do
before(:all) do
module ::Foo
module ModBar
module Noo
module Too
module Boo
end
end
end
end
class Zed
end
end
class ::Bas
end
class ::Bar
end
end
it "should raise NameError for a missing constant" do
lambda { Foo.find_const('Moo') }.should raise_error(NameError)
lambda { Object.find_const('MissingConstant') }.should raise_error(NameError)
end
it "should be able to get a recursive constant" do
Object.find_const('Foo::ModBar').should == Foo::ModBar
end
it "should ignore get Constants from the Kernel namespace correctly" do
Object.find_const('::Foo::ModBar').should == ::Foo::ModBar
end
it "should find relative constants" do
Foo.find_const('ModBar').should == Foo::ModBar
Foo.find_const('Bas').should == Bas
end
it "should find sibling constants" do
Foo::ModBar.find_const("Zed").should == Foo::Zed
end
it "should find nested constants on nested constants" do
Foo::ModBar.find_const('Noo::Too').should == Foo::ModBar::Noo::Too
end
it "should find constants outside of nested constants" do
Foo::ModBar::Noo::Too.find_const("Zed").should == Foo::Zed
end
it 'should be able to find past the second nested level' do
Foo::ModBar::Noo.find_const('Too').should == Foo::ModBar::Noo::Too
Foo::ModBar::Noo::Too.find_const('Boo').should == Foo::ModBar::Noo::Too::Boo
end
it "should be able to deal with constants being added and removed" do
Object.find_const('Bar') # First we load Bar with find_const
Object.module_eval { remove_const('Bar') } # Now we delete it
module ::Bar; end; # Now we redefine it
Object.find_const('Bar').should == Bar
end
end
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