142 lines
3.3 KiB
Ruby
142 lines
3.3 KiB
Ruby
require 'test/unit'
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require File.dirname(__FILE__) + '/../lib/active_support/core_ext/class/inheritable_attributes'
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class ClassInheritableAttributesTest < Test::Unit::TestCase
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def setup
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@klass = Class.new
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end
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def test_reader_declaration
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assert_nothing_raised do
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@klass.class_inheritable_reader :a
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assert_respond_to @klass, :a
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assert_respond_to @klass.new, :a
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end
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end
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def test_writer_declaration
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assert_nothing_raised do
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@klass.class_inheritable_writer :a
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assert_respond_to @klass, :a=
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assert_respond_to @klass.new, :a=
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end
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end
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def test_accessor_declaration
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assert_nothing_raised do
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@klass.class_inheritable_accessor :a
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assert_respond_to @klass, :a
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assert_respond_to @klass.new, :a
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assert_respond_to @klass, :a=
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assert_respond_to @klass.new, :a=
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end
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end
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def test_array_declaration
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assert_nothing_raised do
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@klass.class_inheritable_array :a
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assert_respond_to @klass, :a
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assert_respond_to @klass.new, :a
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assert_respond_to @klass, :a=
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assert_respond_to @klass.new, :a=
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end
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end
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def test_hash_declaration
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assert_nothing_raised do
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@klass.class_inheritable_hash :a
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assert_respond_to @klass, :a
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assert_respond_to @klass.new, :a
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assert_respond_to @klass, :a=
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assert_respond_to @klass.new, :a=
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end
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end
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def test_reader
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@klass.class_inheritable_reader :a
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assert_nil @klass.a
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assert_nil @klass.new.a
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@klass.send(:write_inheritable_attribute, :a, 'a')
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assert_equal 'a', @klass.a
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assert_equal 'a', @klass.new.a
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assert_equal @klass.a, @klass.new.a
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assert_equal @klass.a.object_id, @klass.new.a.object_id
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end
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def test_writer
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@klass.class_inheritable_reader :a
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@klass.class_inheritable_writer :a
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assert_nil @klass.a
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assert_nil @klass.new.a
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@klass.a = 'a'
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assert_equal 'a', @klass.a
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@klass.new.a = 'A'
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assert_equal 'A', @klass.a
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end
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def test_array
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@klass.class_inheritable_array :a
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assert_nil @klass.a
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assert_nil @klass.new.a
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@klass.a = %w(a b c)
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assert_equal %w(a b c), @klass.a
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assert_equal %w(a b c), @klass.new.a
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@klass.new.a = %w(A B C)
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assert_equal %w(a b c A B C), @klass.a
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assert_equal %w(a b c A B C), @klass.new.a
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end
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def test_hash
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@klass.class_inheritable_hash :a
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assert_nil @klass.a
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assert_nil @klass.new.a
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@klass.a = { :a => 'a' }
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assert_equal({ :a => 'a' }, @klass.a)
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assert_equal({ :a => 'a' }, @klass.new.a)
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@klass.new.a = { :b => 'b' }
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assert_equal({ :a => 'a', :b => 'b' }, @klass.a)
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assert_equal({ :a => 'a', :b => 'b' }, @klass.new.a)
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end
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def test_inheritance
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@klass.class_inheritable_accessor :a
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@klass.a = 'a'
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@sub = eval("class FlogMe < @klass; end; FlogMe")
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@klass.class_inheritable_accessor :b
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assert_respond_to @sub, :a
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assert_respond_to @sub, :b
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assert_equal @klass.a, @sub.a
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assert_equal @klass.b, @sub.b
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assert_equal 'a', @sub.a
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assert_nil @sub.b
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@klass.b = 'b'
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assert_not_equal @klass.b, @sub.b
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assert_equal 'b', @klass.b
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assert_nil @sub.b
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@sub.a = 'A'
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assert_not_equal @klass.a, @sub.a
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assert_equal 'a', @klass.a
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assert_equal 'A', @sub.a
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@sub.b = 'B'
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assert_not_equal @klass.b, @sub.b
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assert_equal 'b', @klass.b
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assert_equal 'B', @sub.b
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end
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end
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