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Add reflection tests
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Benjamin Fleischer
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commit
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218
test/serializers/reflection_test.rb
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218
test/serializers/reflection_test.rb
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require 'test_helper'
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module ActiveModel
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class Serializer
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class ReflectionTest < ActiveSupport::TestCase
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class Blog < ActiveModelSerializers::Model
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attributes :id
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end
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class BlogSerializer < ActiveModel::Serializer
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type 'blog'
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attributes :id
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end
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setup do
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@expected_meta = { id: 1 }
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@expected_links = { self: 'no_uri_validation' }
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@empty_links = {}
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model_attributes = { blog: Blog.new(@expected_meta) }
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@model = Class.new(ActiveModelSerializers::Model) do
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attributes(*model_attributes.keys)
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def self.name
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'TestModel'
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end
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end.new(model_attributes)
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@instance_options = {}
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end
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def test_reflection_block_with_link_mutates_the_reflection_links
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serializer_class = Class.new(ActiveModel::Serializer) do
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has_one :blog do
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link :self, 'no_uri_validation'
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end
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end
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serializer_instance = serializer_class.new(@model, @instance_options)
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# Get Reflection
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reflection = serializer_class._reflections.fetch(:blog)
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assert_equal @empty_links, reflection.instance_variable_get(:@_links)
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# Build Association
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association = reflection.build_association(serializer_instance, @instance_options)
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assert_equal @expected_links, association.links
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assert_equal @expected_links, reflection.instance_variable_get(:@_links)
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end
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def test_reflection_block_with_link_block_mutates_the_reflection_links
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serializer_class = Class.new(ActiveModel::Serializer) do
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has_one :blog do
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link :self do
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'no_uri_validation'
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end
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end
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end
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serializer_instance = serializer_class.new(@model, @instance_options)
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# Get Reflection
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reflection = serializer_class._reflections.fetch(:blog)
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assert_equal @empty_links, reflection.instance_variable_get(:@_links)
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# Build Association
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association = reflection.build_association(serializer_instance, @instance_options)
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# Assert before instance_eval link
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link = association.links.fetch(:self)
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assert_respond_to link, :call
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# Assert after instance_eval link
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assert_equal @expected_links.fetch(:self), reflection.instance_eval(&link)
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assert_respond_to reflection.instance_variable_get(:@_links).fetch(:self), :call
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end
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def test_reflection_block_with_meta_mutates_the_reflection_meta
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serializer_class = Class.new(ActiveModel::Serializer) do
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has_one :blog do
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meta(id: object.blog.id)
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end
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end
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serializer_instance = serializer_class.new(@model, @instance_options)
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# Get Reflection
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reflection = serializer_class._reflections.fetch(:blog)
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assert_nil reflection.instance_variable_get(:@_meta)
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# Build Association
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association = reflection.build_association(serializer_instance, @instance_options)
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assert_equal @expected_meta, association.meta
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assert_equal @expected_meta, reflection.instance_variable_get(:@_meta)
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end
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def test_reflection_block_with_meta_block_mutates_the_reflection_meta
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serializer_class = Class.new(ActiveModel::Serializer) do
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has_one :blog do
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meta do
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{ id: object.blog.id }
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end
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end
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end
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serializer_instance = serializer_class.new(@model, @instance_options)
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# Get Reflection
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reflection = serializer_class._reflections.fetch(:blog)
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assert_nil reflection.instance_variable_get(:@_meta)
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# Build Association
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association = reflection.build_association(serializer_instance, @instance_options)
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# Assert before instance_eval meta
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assert_respond_to association.meta, :call
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assert_respond_to reflection.instance_variable_get(:@_meta), :call
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# Assert after instance_eval meta
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assert_equal @expected_meta, reflection.instance_eval(&association.meta)
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assert_respond_to reflection.instance_variable_get(:@_meta), :call
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assert_respond_to association.meta, :call
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end
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def test_reflection_block_with_meta_in_link_block_mutates_the_reflection_meta
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serializer_class = Class.new(ActiveModel::Serializer) do
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has_one :blog do
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link :self do
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meta(id: object.blog.id)
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'no_uri_validation'
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end
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end
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end
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serializer_instance = serializer_class.new(@model, @instance_options)
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# Get Reflection
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reflection = serializer_class._reflections.fetch(:blog)
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assert_nil reflection.instance_variable_get(:@_meta)
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assert_equal @empty_links, reflection.instance_variable_get(:@_links)
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# Build Association
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association = reflection.build_association(serializer_instance, @instance_options)
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# Assert before instance_eval link meta
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assert_nil association.meta
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assert_nil reflection.instance_variable_get(:@_meta)
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link = association.links.fetch(:self)
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assert_respond_to link, :call
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assert_respond_to reflection.instance_variable_get(:@_links).fetch(:self), :call
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assert_nil reflection.instance_variable_get(:@_meta)
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# Assert after instance_eval link
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assert_equal 'no_uri_validation', reflection.instance_eval(&link)
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assert_equal @expected_meta, reflection.instance_variable_get(:@_meta)
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assert_nil association.meta
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end
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# rubocop:disable Metrics/AbcSize
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def test_reflection_block_with_meta_block_in_link_block_mutates_the_reflection_meta
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serializer_class = Class.new(ActiveModel::Serializer) do
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has_one :blog do
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link :self do
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meta do
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{ id: object.blog.id }
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end
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'no_uri_validation'
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end
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end
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end
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serializer_instance = serializer_class.new(@model, @instance_options)
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# Get Reflection
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reflection = serializer_class._reflections.fetch(:blog)
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assert_nil reflection.instance_variable_get(:@_meta)
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# Build Association
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association = reflection.build_association(serializer_instance, @instance_options)
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assert_nil association.meta
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assert_nil reflection.instance_variable_get(:@_meta)
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# Assert before instance_eval link
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link = association.links.fetch(:self)
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assert_nil reflection.instance_variable_get(:@_meta)
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assert_respond_to link, :call
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assert_respond_to association.links.fetch(:self), :call
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# Assert after instance_eval link
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assert_equal 'no_uri_validation', reflection.instance_eval(&link)
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assert_respond_to association.links.fetch(:self), :call
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# Assert before instance_eval link meta
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assert_respond_to reflection.instance_variable_get(:@_meta), :call
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assert_nil association.meta
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# Assert after instance_eval link meta
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assert_equal @expected_meta, reflection.instance_eval(&reflection.instance_variable_get(:@_meta))
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assert_nil association.meta
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end
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# rubocop:enable Metrics/AbcSize
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def test_no_href_in_vanilla_reflection
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serializer_class = Class.new(ActiveModel::Serializer) do
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has_one :blog do
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link :self do
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href 'no_uri_validation'
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end
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end
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end
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serializer_instance = serializer_class.new(@model, @instance_options)
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# Get Reflection
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reflection = serializer_class._reflections.fetch(:blog)
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assert_equal @empty_links, reflection.instance_variable_get(:@_links)
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# Build Association
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association = reflection.build_association(serializer_instance, @instance_options)
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# Assert before instance_eval link
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link = association.links.fetch(:self)
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assert_respond_to link, :call
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# Assert after instance_eval link
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exception = assert_raise(NoMethodError) do
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reflection.instance_eval(&link)
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end
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assert_match(/undefined method `href'/, exception.message)
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end
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end
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end
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end
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