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# frozen_string_literal: true
require "abstract_unit"
require "controller/fake_models"
require "active_support/logger"
class RenderJsonTest < ActionController::TestCase
class JsonRenderable
def as_json(options = {})
hash = { a: :b, c: :d, e: :f }
hash.except!(*options[:except]) if options[:except]
hash
end
def to_json(options = {})
super except: [:c, :e]
end
end
class TestController < ActionController::Base
protect_from_forgery
def self.controller_path
"test"
end
def render_json_nil
render json: nil
end
def render_json_render_to_string
render plain: render_to_string(json: "[]")
end
def render_json_hello_world
render json: ActiveSupport::JSON.encode(hello: "world")
end
def render_json_hello_world_with_status
render json: ActiveSupport::JSON.encode(hello: "world"), status: 401
end
def render_json_hello_world_with_callback
render json: ActiveSupport::JSON.encode(hello: "world"), callback: "alert"
end
def render_json_with_custom_content_type
render json: ActiveSupport::JSON.encode(hello: "world"), content_type: "text/javascript"
end
def render_symbol_json
render json: ActiveSupport::JSON.encode(hello: "world")
end
def render_json_with_render_to_string
render json: { hello: render_to_string(partial: "partial") }
end
def render_json_with_extra_options
render json: JsonRenderable.new, except: [:c, :e]
end
def render_json_without_options
render json: JsonRenderable.new
end
end
tests TestController
def setup
# enable a logger so that (e.g.) the benchmarking stuff runs, so we can get
# a more accurate simulation of what happens in "real life".
super
@controller.logger = ActiveSupport::Logger.new(nil)
@request.host = "www.nextangle.com"
end
def test_render_json_nil
get :render_json_nil
assert_equal "null", @response.body
assert_equal "application/json", @response.media_type
end
def test_render_json_render_to_string
get :render_json_render_to_string
assert_equal "[]", @response.body
end
def test_render_json
get :render_json_hello_world
assert_equal '{"hello":"world"}', @response.body
assert_equal "application/json", @response.media_type
end
def test_render_json_with_status
get :render_json_hello_world_with_status
assert_equal '{"hello":"world"}', @response.body
assert_equal 401, @response.status
end
def test_render_json_with_callback
get :render_json_hello_world_with_callback, xhr: true
assert_equal '/**/alert({"hello":"world"})', @response.body
assert_equal "text/javascript", @response.media_type
end
def test_render_json_with_custom_content_type
get :render_json_with_custom_content_type, xhr: true
assert_equal '{"hello":"world"}', @response.body
assert_equal "text/javascript", @response.media_type
end
def test_render_symbol_json
get :render_symbol_json
assert_equal '{"hello":"world"}', @response.body
assert_equal "application/json", @response.media_type
end
def test_render_json_with_render_to_string
get :render_json_with_render_to_string
assert_equal '{"hello":"partial html"}', @response.body
assert_equal "application/json", @response.media_type
end
def test_render_json_forwards_extra_options
get :render_json_with_extra_options
assert_equal '{"a":"b"}', @response.body
assert_equal "application/json", @response.media_type
end
def test_render_json_calls_to_json_from_object
get :render_json_without_options
assert_equal '{"a":"b"}', @response.body
end
end
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