117 lines
3.2 KiB
Ruby
117 lines
3.2 KiB
Ruby
require 'minitest/autorun'
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require 'prism'
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require 'support'
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require 'tmpdir'
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require 'fileutils'
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class ControllerTest < Minitest::Test
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include TestSupport
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def setup
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@views_dir = Dir.mktmpdir('prism-controller-views')
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write_views
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define_controller
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define_app
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end
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def teardown
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FileUtils.remove_entry(@views_dir)
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%i[PostsController PostsApp].each { |name| Object.send(:remove_const, name) if Object.const_defined?(name) }
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end
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def write_views
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FileUtils.mkdir_p(File.join(@views_dir, 'posts'))
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FileUtils.mkdir_p(File.join(@views_dir, 'layouts'))
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File.write(File.join(@views_dir, 'layouts', 'application.erb'), <<~ERB)
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<!doctype html><html><body><%== content %></body></html>
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ERB
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File.write(File.join(@views_dir, 'posts', 'index.erb'), <<~ERB)
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<ul><% posts.each do |title| %><%== partial('post', locals: { title: title }) %><% end %></ul>
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ERB
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File.write(File.join(@views_dir, 'posts', '_post.erb'), '<li><%= title %></li>')
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File.write(File.join(@views_dir, 'posts', 'show.erb'), '<h1><%= id %></h1>')
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end
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def define_controller
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views_dir = @views_dir
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controller_class = Class.new(Prism::Controller) do
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layout :application
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views_root views_dir
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before_action :set_common, only: %i[index show]
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after_action :mark_served
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def self.served_log
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@served_log ||= []
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end
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def set_common
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@posts = ['first post', 'second post']
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end
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def index
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render(:index, locals: { posts: @posts })
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end
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def show
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render(:show, layout: nil, locals: { id: params['id'] })
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end
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def create
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halt(201, JSON.generate(created: params['title']))
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end
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def mark_served
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self.class.served_log << action_name
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end
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end
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Object.const_set(:PostsController, controller_class)
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end
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def define_app
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app_class = Class.new(Prism::Application) do
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get '/posts', to: 'posts#index', as: :posts
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get '/posts/:id', to: 'posts#show', as: :post
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post '/posts', to: 'posts#create'
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end
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Object.const_set(:PostsApp, app_class)
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end
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def call(method, path, **opts)
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PostsApp.call(env_for(method, path, **opts))
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end
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def test_index_renders_with_layout_and_partials
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_, _, body = call('GET', '/posts')
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html = body.join
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assert_includes html, '<!doctype html>'
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assert_includes html, '<li>first post</li>'
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assert_includes html, '<li>second post</li>'
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end
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def test_show_renders_action_template
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_, _, body = call('GET', '/posts/42')
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assert_equal '<h1>42</h1>', body.join
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end
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def test_before_action_runs_with_only_filter
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PostsController.served_log.clear
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call('GET', '/posts')
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call('GET', '/posts/1')
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call('POST', '/posts')
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assert_equal %w[index show create], PostsController.served_log
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end
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def test_create_action_uses_halt
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status, _, body = call('POST', '/posts', headers: { 'Content-Type' => 'application/x-www-form-urlencoded' }, body: 'title=hello')
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assert_equal 201, status
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assert_equal 'hello', JSON.parse(body.join)['created']
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end
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def test_named_route_url_for
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status, _, body = call('GET', '/posts/9')
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assert_equal 200, status
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assert_equal PostsApp.router.path_to(:post, id: 9), '/posts/9'
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end
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end
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