1 files changed, 240 insertions, 0 deletions
diff --git a/actionpack/test/controller/new_base/render_template_test.rb b/actionpack/test/controller/new_base/render_template_test.rb
new file mode 100644
index 0000000000..14dc958475
--- /dev/null
+++ b/actionpack/test/controller/new_base/render_template_test.rb
@@ -0,0 +1,240 @@
+# frozen_string_literal: true
+
+require "abstract_unit"
+
+module RenderTemplate
+  class WithoutLayoutController < ActionController::Base
+    self.view_paths = [ActionView::FixtureResolver.new(
+      "test/basic.html.erb"        => "Hello from basic.html.erb",
+      "shared.html.erb"            => "Elastica",
+      "locals.html.erb"            => "The secret is <%= secret %>",
+      "xml_template.xml.builder"   => "xml.html do\n  xml.p 'Hello'\nend",
+      "with_raw.html.erb"          => "Hello <%=raw '<strong>this is raw</strong>' %>",
+      "with_implicit_raw.html.erb" => "Hello <%== '<strong>this is also raw</strong>' %> in an html template",
+      "with_implicit_raw.text.erb" => "Hello <%== '<strong>this is also raw</strong>' %> in a text template",
+      "test/with_json.html.erb"    => "<%= render :template => 'test/with_json', :formats => [:json] %>",
+      "test/with_json.json.erb"    => "<%= render :template => 'test/final', :formats => [:json]  %>",
+      "test/final.json.erb"        => "{ final: json }",
+      "test/with_error.html.erb"   => "<%= raise 'i do not exist' %>"
+    )]
+
+    def index
+      render template: "test/basic"
+    end
+
+    def html_with_json_inside_json
+      render template: "test/with_json"
+    end
+
+    def index_without_key
+      render "test/basic"
+    end
+
+    def in_top_directory
+      render template: "shared"
+    end
+
+    def in_top_directory_with_slash
+      render template: "/shared"
+    end
+
+    def in_top_directory_with_slash_without_key
+      render "/shared"
+    end
+
+    def with_locals
+      render template: "locals", locals: { secret: "area51" }
+    end
+
+    def with_locals_without_key
+      render "locals", locals: { secret: "area51" }
+    end
+
+    def builder_template
+      render template: "xml_template"
+    end
+
+    def with_raw
+      render template: "with_raw"
+    end
+
+    def with_implicit_raw
+      render template: "with_implicit_raw"
+    end
+
+    def with_error
+      render template: "test/with_error"
+    end
+
+    private
+
+      def show_detailed_exceptions?
+        request.local?
+      end
+  end
+
+  class TestWithoutLayout < Rack::TestCase
+    testing RenderTemplate::WithoutLayoutController
+
+    test "rendering a normal template with full path without layout" do
+      get :index
+      assert_response "Hello from basic.html.erb"
+    end
+
+    test "rendering a normal template with full path without layout without key" do
+      get :index_without_key
+      assert_response "Hello from basic.html.erb"
+    end
+
+    test "rendering a template not in a subdirectory" do
+      get :in_top_directory
+      assert_response "Elastica"
+    end
+
+    test "rendering a template not in a subdirectory with a leading slash" do
+      get :in_top_directory_with_slash
+      assert_response "Elastica"
+    end
+
+    test "rendering a template not in a subdirectory with a leading slash without key" do
+      get :in_top_directory_with_slash_without_key
+      assert_response "Elastica"
+    end
+
+    test "rendering a template with local variables" do
+      get :with_locals
+      assert_response "The secret is area51"
+    end
+
+    test "rendering a template with local variables without key" do
+      get :with_locals
+      assert_response "The secret is area51"
+    end
+
+    test "rendering a builder template" do
+      get :builder_template, params: { "format" => "xml" }
+      assert_response "<html>\n  <p>Hello</p>\n</html>\n"
+    end
+
+    test "rendering a template with <%=raw stuff %>" do
+      get :with_raw
+
+      assert_body "Hello <strong>this is raw</strong>"
+      assert_status 200
+
+      get :with_implicit_raw
+
+      assert_body "Hello <strong>this is also raw</strong> in an html template"
+      assert_status 200
+
+      get :with_implicit_raw, params: { format: "text" }
+
+      assert_body "Hello <strong>this is also raw</strong> in a text template"
+      assert_status 200
+    end
+
+    test "rendering a template with renders another template with other format that renders other template in the same format" do
+      get :html_with_json_inside_json
+      assert_content_type "text/html; charset=utf-8"
+      assert_response "{ final: json }"
+    end
+
+    test "rendering a template with error properly excerts the code" do
+      get :with_error
+      assert_status 500
+      assert_match "i do not exist", response.body
+    end
+  end
+
+  class WithLayoutController < ::ApplicationController
+    self.view_paths = [ActionView::FixtureResolver.new(
+      "test/basic.html.erb"          => "Hello from basic.html.erb",
+      "shared.html.erb"              => "Elastica",
+      "layouts/application.html.erb" => "<%= yield %>, I'm here!",
+      "layouts/greetings.html.erb"   => "<%= yield %>, I wish thee well."
+    )]
+
+    def index
+      render template: "test/basic"
+    end
+
+    def with_layout
+      render template: "test/basic", layout: true
+    end
+
+    def with_layout_false
+      render template: "test/basic", layout: false
+    end
+
+    def with_layout_nil
+      render template: "test/basic", layout: nil
+    end
+
+    def with_custom_layout
+      render template: "test/basic", layout: "greetings"
+    end
+  end
+
+  class TestWithLayout < Rack::TestCase
+    test "rendering with implicit layout" do
+      with_routing do |set|
+        set.draw { ActiveSupport::Deprecation.silence { get ":controller", action: :index } }
+
+        get "/render_template/with_layout"
+
+        assert_body "Hello from basic.html.erb, I'm here!"
+        assert_status 200
+      end
+    end
+
+    test "rendering with layout => true" do
+      get "/render_template/with_layout/with_layout"
+
+      assert_body "Hello from basic.html.erb, I'm here!"
+      assert_status 200
+    end
+
+    test "rendering with layout => false" do
+      get "/render_template/with_layout/with_layout_false"
+
+      assert_body "Hello from basic.html.erb"
+      assert_status 200
+    end
+
+    test "rendering with layout => nil" do
+      get "/render_template/with_layout/with_layout_nil"
+
+      assert_body "Hello from basic.html.erb"
+      assert_status 200
+    end
+
+    test "rendering layout => 'greetings'" do
+      get "/render_template/with_layout/with_custom_layout"
+
+      assert_body "Hello from basic.html.erb, I wish thee well."
+      assert_status 200
+    end
+  end
+
+  module Compatibility
+    class WithoutLayoutController < ActionController::Base
+      self.view_paths = [ActionView::FixtureResolver.new(
+        "test/basic.html.erb" => "Hello from basic.html.erb",
+        "shared.html.erb"     => "Elastica"
+      )]
+
+      def with_forward_slash
+        render template: "/test/basic"
+      end
+    end
+
+    class TestTemplateRenderWithForwardSlash < Rack::TestCase
+      test "rendering a normal template with full path starting with a leading slash" do
+        get "/render_template/compatibility/without_layout/with_forward_slash"
+
+        assert_body "Hello from basic.html.erb"
+        assert_status 200
+      end
+    end
+  end
+end