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# frozen_string_literal: true
require "abstract_unit"
require "active_support/core_ext/array/access"
module BareMetalTest
class BareController < ActionController::Metal
def index
self.response_body = "Hello world"
end
def assign_response_array
self.response = [200, { "content-type" => "text/html" }, ["Hello world"]]
end
def assign_response_object
self.response = Rack::Response.new("Hello world", 200, { "content-type" => "text/html" })
end
def assign_response_body_proc
self.response_body = proc do |stream|
stream.close
end
end
end
class BareTest < ActiveSupport::TestCase
test "response body is a Rack-compatible response" do
status, headers, body = BareController.action(:index).call(Rack::MockRequest.env_for("/"))
assert_equal 200, status
string = +""
body.each do |part|
assert part.is_a?(String), "Each part of the body must be a String"
string << part
end
assert_kind_of Hash, headers, "Headers must be a Hash"
assert headers["Content-Type"], "Content-Type must exist"
assert_equal "Hello world", string
end
test "response_body value is wrapped in an array when the value is a String" do
controller = BareController.new
controller.set_request!(ActionDispatch::Request.empty)
controller.set_response!(BareController.make_response!(controller.request))
controller.index
assert_predicate controller, :performed?
assert_equal ["Hello world"], controller.response_body
end
test "can assign response array as part of the controller execution" do
controller = BareController.new
controller.set_request!(ActionDispatch::Request.empty)
controller.assign_response_array
assert_predicate controller, :performed?
assert_equal true, controller.response_body
assert_equal 200, controller.response[0]
assert_equal "text/html", controller.response[1]["content-type"]
end
test "can assign response object as part of the controller execution" do
controller = BareController.new
controller.set_request!(ActionDispatch::Request.empty)
controller.assign_response_object
assert_predicate controller, :performed?
assert_equal true, controller.response_body
assert_equal 200, controller.response.status
assert_equal "text/html", controller.response.headers["content-type"]
end
test "can assign response body streamable object as part of the controller execution" do
controller = BareController.new
controller.set_request!(ActionDispatch::Request.empty)
controller.set_response!(BareController.make_response!(controller.request))
controller.assign_response_body_proc
assert_predicate controller, :performed?
assert controller.response_body.is_a?(Proc)
assert_equal 200, controller.response.status
assert_predicate controller.response.headers, :empty?
end
test "connect a request to controller instance without dispatch" do
env = {}
controller = BareController.new
controller.set_request! ActionDispatch::Request.new(env)
assert controller.request
end
end
class BareEmptyController < ActionController::Metal
def index
self.response_body = nil
end
end
class BareEmptyTest < ActiveSupport::TestCase
test "response body is nil" do
controller = BareEmptyController.new
controller.set_request!(ActionDispatch::Request.empty)
controller.set_response!(BareController.make_response!(controller.request))
controller.index
assert_nil controller.response_body
end
end
class HeadController < ActionController::Metal
include ActionController::Head
def index
head :not_found
end
def continue
self.content_type = "text/html"
head 100
end
def switching_protocols
self.content_type = "text/html"
head 101
end
def processing
self.content_type = "text/html"
head 102
end
def early_hints
self.content_type = "text/html"
head 103
end
def no_content
self.content_type = "text/html"
head 204
end
def reset_content
self.content_type = "text/html"
head 205
end
def not_modified
self.content_type = "text/html"
head 304
end
end
class HeadTest < ActiveSupport::TestCase
test "head works on its own" do
status = HeadController.action(:index).call(Rack::MockRequest.env_for("/")).first
assert_equal 404, status
end
test "head :continue (100) does not return a content-type header" do
headers = HeadController.action(:continue).call(Rack::MockRequest.env_for("/")).second
assert_nil headers["Content-Type"]
assert_nil headers["Content-Length"]
end
test "head :switching_protocols (101) does not return a content-type header" do
headers = HeadController.action(:switching_protocols).call(Rack::MockRequest.env_for("/")).second
assert_nil headers["Content-Type"]
assert_nil headers["Content-Length"]
end
test "head :processing (102) does not return a content-type header" do
headers = HeadController.action(:processing).call(Rack::MockRequest.env_for("/")).second
assert_nil headers["Content-Type"]
assert_nil headers["Content-Length"]
end
test "head :early_hints (103) does not return a content-type header" do
headers = HeadController.action(:early_hints).call(Rack::MockRequest.env_for("/")).second
assert_nil headers["Content-Type"]
assert_nil headers["Content-Length"]
end
test "head :no_content (204) does not return a content-type header" do
headers = HeadController.action(:no_content).call(Rack::MockRequest.env_for("/")).second
assert_nil headers["Content-Type"]
assert_nil headers["Content-Length"]
end
test "head :reset_content (205) does not return a content-type header" do
headers = HeadController.action(:reset_content).call(Rack::MockRequest.env_for("/")).second
assert_nil headers["Content-Type"]
assert_nil headers["Content-Length"]
end
test "head :not_modified (304) does not return a content-type header" do
headers = HeadController.action(:not_modified).call(Rack::MockRequest.env_for("/")).second
assert_nil headers["Content-Type"]
assert_nil headers["Content-Length"]
end
test "head :no_content (204) does not return any content" do
content = body(HeadController.action(:no_content).call(Rack::MockRequest.env_for("/")))
assert_empty content
end
test "head :reset_content (205) does not return any content" do
content = body(HeadController.action(:reset_content).call(Rack::MockRequest.env_for("/")))
assert_empty content
end
test "head :not_modified (304) does not return any content" do
content = body(HeadController.action(:not_modified).call(Rack::MockRequest.env_for("/")))
assert_empty content
end
test "head :continue (100) does not return any content" do
content = body(HeadController.action(:continue).call(Rack::MockRequest.env_for("/")))
assert_empty content
end
test "head :switching_protocols (101) does not return any content" do
content = body(HeadController.action(:switching_protocols).call(Rack::MockRequest.env_for("/")))
assert_empty content
end
test "head :processing (102) does not return any content" do
content = body(HeadController.action(:processing).call(Rack::MockRequest.env_for("/")))
assert_empty content
end
def body(rack_response)
buf = []
rack_response[2].each { |x| buf << x }
buf.join
end
end
class BareControllerTest < ActionController::TestCase
test "GET index" do
get :index
assert_equal "Hello world", @response.body
end
end
end
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