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require "abstract_unit"
class RendererTest < ActiveSupport::TestCase
test "action controller base has a renderer" do
assert ActionController::Base.renderer
end
test "creating with a controller" do
controller = CommentsController
renderer = ActionController::Renderer.for controller
assert_equal controller, renderer.controller
end
test "creating from a controller" do
controller = AccountsController
renderer = controller.renderer
assert_equal controller, renderer.controller
end
test "rendering with a class renderer" do
renderer = ApplicationController.renderer
content = renderer.render template: "ruby_template"
assert_equal "Hello from Ruby code", content
end
test "rendering with an instance renderer" do
renderer = ApplicationController.renderer.new
content = renderer.render file: "test/hello_world"
assert_equal "Hello world!", content
end
test "rendering with a controller class" do
assert_equal "Hello world!", ApplicationController.render("test/hello_world")
end
test "rendering with locals" do
renderer = ApplicationController.renderer
content = renderer.render template: "test/render_file_with_locals",
locals: { secret: "bar" }
assert_equal "The secret is bar\n", content
end
test "rendering with assigns" do
renderer = ApplicationController.renderer
content = renderer.render template: "test/render_file_with_ivar",
assigns: { secret: "foo" }
assert_equal "The secret is foo\n", content
end
test "rendering with custom env" do
renderer = ApplicationController.renderer.new method: "post"
content = renderer.render inline: "<%= request.post? %>"
assert_equal "true", content
end
test "rendering with custom env using a key that is not in RACK_KEY_TRANSLATION" do
value = "warden is here"
renderer = ApplicationController.renderer.new warden: value
content = renderer.render inline: "<%= request.env['warden'] %>"
assert_equal value, content
end
test "rendering with defaults" do
renderer = ApplicationController.renderer.new https: true
content = renderer.render inline: "<%= request.ssl? %>"
assert_equal "true", content
end
test "same defaults from the same controller" do
renderer_defaults = ->(controller) { controller.renderer.defaults }
assert_equal renderer_defaults[AccountsController], renderer_defaults[AccountsController]
assert_equal renderer_defaults[AccountsController], renderer_defaults[CommentsController]
end
test "rendering with different formats" do
html = "Hello world!"
xml = "<p>Hello world!</p>\n"
assert_equal html, render["respond_to/using_defaults"]
assert_equal xml, render["respond_to/using_defaults.xml.builder"]
assert_equal xml, render["respond_to/using_defaults", formats: :xml]
end
test "rendering with helpers" do
assert_equal "<p>1\n<br />2</p>", render[inline: '<%= simple_format "1\n2" %>']
end
test "rendering with user specified defaults" do
ApplicationController.renderer.defaults.merge!(hello: "hello", https: true)
renderer = ApplicationController.renderer.new
content = renderer.render inline: "<%= request.ssl? %>"
assert_equal "true", content
end
private
def render
@render ||= ApplicationController.renderer.method(:render)
end
end
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