305 lines
8.4 KiB
Ruby
305 lines
8.4 KiB
Ruby
# frozen_string_literal: true
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require "abstract_unit"
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require "set"
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module AbstractController
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module Testing
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# Test basic dispatching.
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# ====
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# * Call process
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# * Test that the response_body is set correctly
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class SimpleController < AbstractController::Base
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end
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class Me < SimpleController
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def index
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self.response_body = "Hello world"
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"Something else"
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end
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end
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class TestBasic < ActiveSupport::TestCase
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test "dispatching works" do
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controller = Me.new
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controller.process(:index)
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assert_equal "Hello world", controller.response_body
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end
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end
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# Test Render mixin
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# ====
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class RenderingController < AbstractController::Base
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include AbstractController::Rendering
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include ActionView::Rendering
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def _prefixes
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[]
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end
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def render(options = {})
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if options.is_a?(String)
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options = { _template_name: options }
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end
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super
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end
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append_view_path File.expand_path("views", __dir__)
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end
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class Me2 < RenderingController
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def index
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render "index.erb"
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end
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def with_final_newline
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render "with_final_newline.erb"
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end
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def index_to_string
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self.response_body = render_to_string "index"
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end
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def action_with_ivars
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@my_ivar = "Hello"
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render "action_with_ivars.erb"
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end
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def naked_render
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render
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end
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def rendering_to_body
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self.response_body = render_to_body template: "naked_render"
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end
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def rendering_to_string
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self.response_body = render_to_string template: "naked_render"
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end
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end
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class TestRenderingController < ActiveSupport::TestCase
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def setup
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@controller = Me2.new
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end
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test "rendering templates works" do
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@controller.process(:index)
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assert_equal "Hello from index.erb", @controller.response_body
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end
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test "stripping final newline works" do
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ActionView::Template::Handlers::ERB.strip_trailing_newlines = true
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@controller.process(:with_final_newline)
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assert_equal "Hello from with_final_newline.erb", @controller.response_body
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ensure
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ActionView::Template::Handlers::ERB.strip_trailing_newlines = false
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end
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test "render_to_string works with a String as an argument" do
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@controller.process(:index_to_string)
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assert_equal "Hello from index.erb", @controller.response_body
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end
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test "rendering passes ivars to the view" do
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@controller.process(:action_with_ivars)
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assert_equal "Hello from index_with_ivars.erb", @controller.response_body
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end
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test "rendering with no template name" do
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@controller.process(:naked_render)
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assert_equal "Hello from naked_render.erb", @controller.response_body
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end
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test "rendering to a rack body" do
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@controller.process(:rendering_to_body)
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assert_equal "Hello from naked_render.erb", @controller.response_body
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end
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test "rendering to a string" do
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@controller.process(:rendering_to_string)
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assert_equal "Hello from naked_render.erb", @controller.response_body
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end
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end
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# Test rendering with prefixes
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# ====
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# * self._prefix is used when defined
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class PrefixedViews < RenderingController
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private
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def self.prefix
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name.underscore
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end
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def _prefixes
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[self.class.prefix]
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end
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end
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class Me3 < PrefixedViews
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def index
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render
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end
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def formatted
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self.formats = [:html]
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render
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end
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end
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class TestPrefixedViews < ActiveSupport::TestCase
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def setup
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@controller = Me3.new
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end
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test "templates are located inside their 'prefix' folder" do
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@controller.process(:index)
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assert_equal "Hello from me3/index.erb", @controller.response_body
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end
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test "templates included their format" do
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@controller.process(:formatted)
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assert_equal "Hello from me3/formatted.html.erb", @controller.response_body
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end
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end
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class OverridingLocalPrefixes < AbstractController::Base
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include AbstractController::Rendering
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include ActionView::Rendering
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append_view_path File.expand_path("views", __dir__)
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def index
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render
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end
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def self.local_prefixes
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# this would usually return "abstract_controller/testing/overriding_local_prefixes"
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super + ["abstract_controller/testing/me3"]
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end
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class Inheriting < self
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end
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end
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class OverridingLocalPrefixesTest < ActiveSupport::TestCase
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test "overriding .local_prefixes adds prefix" do
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@controller = OverridingLocalPrefixes.new
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@controller.process(:index)
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assert_equal "Hello from me3/index.erb", @controller.response_body
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end
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test ".local_prefixes is inherited" do
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@controller = OverridingLocalPrefixes::Inheriting.new
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@controller.process(:index)
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assert_equal "Hello from me3/index.erb", @controller.response_body
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end
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end
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# Test rendering with layouts
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# ====
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# self._layout is used when defined
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class WithLayouts < PrefixedViews
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include ActionView::Layouts
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private
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def self.layout(formats)
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find_template(name.underscore, { formats: formats }, { _prefixes: ["layouts"] })
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rescue ActionView::MissingTemplate
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begin
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find_template("application", { formats: formats }, { _prefixes: ["layouts"] })
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rescue ActionView::MissingTemplate
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end
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end
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def render_to_body(options = {})
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options[:_layout] = options[:layout] || _default_layout({})
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super
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end
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end
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class Me4 < WithLayouts
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def index
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render
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end
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end
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class TestLayouts < ActiveSupport::TestCase
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test "layouts are included" do
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controller = Me4.new
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controller.process(:index)
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assert_equal "Me4 Enter : Hello from me4/index.erb : Exit", controller.response_body
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end
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end
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# respond_to_action?(action_name)
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# ====
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# * A method can be used as an action only if this method
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# returns true when passed the method name as an argument
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# * Defaults to true in AbstractController
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class DefaultRespondToActionController < AbstractController::Base
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def index() self.response_body = "success" end
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end
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class ActionMissingRespondToActionController < AbstractController::Base
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# No actions
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private
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def action_missing(action_name)
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self.response_body = "success"
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end
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end
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class RespondToActionController < AbstractController::Base
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def index() self.response_body = "success" end
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def fail() self.response_body = "fail" end
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private
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def method_for_action(action_name)
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action_name.to_s != "fail" && action_name
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end
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end
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class TestRespondToAction < ActiveSupport::TestCase
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def assert_dispatch(klass, body = "success", action = :index)
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controller = klass.new
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controller.process(action)
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assert_equal body, controller.response_body
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end
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test "an arbitrary method is available as an action by default" do
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assert_dispatch DefaultRespondToActionController, "success", :index
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end
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test "raises ActionNotFound when method does not exist and action_missing is not defined" do
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assert_raise(ActionNotFound) { DefaultRespondToActionController.new.process(:fail) }
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end
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test "dispatches to action_missing when method does not exist and action_missing is defined" do
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assert_dispatch ActionMissingRespondToActionController, "success", :ohai
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end
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test "a method is available as an action if method_for_action returns true" do
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assert_dispatch RespondToActionController, "success", :index
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end
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test "raises ActionNotFound if method is defined but method_for_action returns false" do
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assert_raise(ActionNotFound) { RespondToActionController.new.process(:fail) }
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end
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end
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class Me6 < AbstractController::Base
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action_methods
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def index
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end
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end
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class TestActionMethodsReloading < ActiveSupport::TestCase
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test "action_methods should be reloaded after defining a new method" do
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assert_equal Set.new(["index"]), Me6.action_methods
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end
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end
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end
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end
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