130 lines
2.5 KiB
Ruby
130 lines
2.5 KiB
Ruby
require "abstract_unit"
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require "active_support/concern"
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class ConcernTest < ActiveSupport::TestCase
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module Baz
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extend ActiveSupport::Concern
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class_methods do
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def baz
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"baz"
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end
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def included_ran=(value)
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@@included_ran = value
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end
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def included_ran
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@@included_ran
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end
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end
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included do
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self.included_ran = true
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end
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def baz
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"baz"
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end
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end
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module Bar
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extend ActiveSupport::Concern
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include Baz
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module ClassMethods
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def baz
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"bar's baz + " + super
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end
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end
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def bar
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"bar"
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end
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def baz
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"bar+" + super
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end
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end
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module Foo
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extend ActiveSupport::Concern
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include Bar, Baz
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end
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module Qux
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module ClassMethods
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end
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end
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def setup
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@klass = Class.new
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end
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def test_module_is_included_normally
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@klass.include(Baz)
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assert_equal "baz", @klass.new.baz
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assert_includes @klass.included_modules, ConcernTest::Baz
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end
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def test_class_methods_are_extended
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@klass.include(Baz)
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assert_equal "baz", @klass.baz
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assert_equal ConcernTest::Baz::ClassMethods, (class << @klass; included_modules; end)[0]
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end
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def test_class_methods_are_extended_only_on_expected_objects
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::Object.include(Qux)
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Object.extend(Qux::ClassMethods)
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# module needs to be created after Qux is included in Object or bug won't
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# be triggered
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test_module = Module.new do
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extend ActiveSupport::Concern
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class_methods do
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def test
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end
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end
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end
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@klass.include test_module
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assert_equal false, Object.respond_to?(:test)
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Qux.class_eval do
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remove_const :ClassMethods
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end
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end
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def test_included_block_is_ran
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@klass.include(Baz)
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assert_equal true, @klass.included_ran
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end
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def test_modules_dependencies_are_met
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@klass.include(Bar)
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assert_equal "bar", @klass.new.bar
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assert_equal "bar+baz", @klass.new.baz
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assert_equal "bar's baz + baz", @klass.baz
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assert_includes @klass.included_modules, ConcernTest::Bar
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end
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def test_dependencies_with_multiple_modules
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@klass.include(Foo)
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assert_equal [ConcernTest::Foo, ConcernTest::Bar, ConcernTest::Baz], @klass.included_modules[0..2]
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end
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def test_raise_on_multiple_included_calls
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assert_raises(ActiveSupport::Concern::MultipleIncludedBlocks) do
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Module.new do
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extend ActiveSupport::Concern
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included do
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end
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included do
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end
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end
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end
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end
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end
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