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-rw-r--r--actionpack/lib/action_controller/test_case.rb17
1 files changed, 17 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb
index eb5d824cbc..8c10c3e7b0 100644
--- a/actionpack/lib/action_controller/test_case.rb
+++ b/actionpack/lib/action_controller/test_case.rb
@@ -3,6 +3,8 @@ require 'active_support/core_ext/object/to_query'
require 'active_support/core_ext/module/anonymous'
require 'active_support/core_ext/hash/keys'
+require 'rails-dom-testing'
+
module ActionController
module TemplateAssertions
extend ActiveSupport::Concern
@@ -91,6 +93,13 @@ module ActionController
# # assert that no partials were rendered
# assert_template partial: false
#
+ # # assert that a file was rendered
+ # assert_template file: "README.rdoc"
+ #
+ # # assert that no file was rendered
+ # assert_template file: nil
+ # assert_template file: false
+ #
# In a view test case, you can also assert that specific locals are passed
# to partials:
#
@@ -140,6 +149,8 @@ module ActionController
if options[:file]
assert_includes @_files.keys, options[:file]
+ elsif options.key?(:file)
+ assert @_files.blank?, "expected no files but #{@_files.keys} was rendered"
end
if expected_partial = options[:partial]
@@ -433,6 +444,7 @@ module ActionController
extend ActiveSupport::Concern
include ActionDispatch::TestProcess
include ActiveSupport::Testing::ConstantLookup
+ include Rails::Dom::Testing::Assertions
attr_reader :response, :request
@@ -675,6 +687,11 @@ module ActionController
end
private
+
+ def document_root_element
+ html_document.root
+ end
+
def check_required_ivars
# Sanity check for required instance variables so we can give an
# understandable error message.