require 'test_helper'
require 'execjs'
require 'pathname'
class RequirejsRailsTest < ActiveSupport::TestCase
test "truth" do
assert_kind_of Module, Requirejs
assert_kind_of Module, Requirejs::Rails
assert_kind_of Class, Requirejs::Rails::Engine
end
test "require.js version" do
require_js = Pathname.new(__FILE__+'/../../vendor/assets/javascripts/require.js').cleanpath.read
context = ExecJS.compile(require_js)
assert_equal Requirejs::Rails::LibVersion, context.eval("require.version")
end
test "CHANGELOG up to date" do
changelog_match = (/^# v#{Requirejs::Rails::Version}/ =~ Pathname.new(__FILE__+'/../../CHANGELOG.md').cleanpath.read)
assert changelog_match, "CHANGELOG has no section for v#{Requirejs::Rails::Version}"
end
end
class RequirejsRailsConfigTest < ActiveSupport::TestCase
def setup
@cfg = Requirejs::Rails::Config.new
end
test "config accepts known loaders" do
@cfg.loader = :almond
assert_equal :almond, @cfg.loader
end
test "config rejects bad loaders" do
assert_raises Requirejs::ConfigError do
@cfg.loader = :wombat
end
end
end
class RequirejsHelperTest < ActionView::TestCase
def setup
controller.requirejs_included = false
end
def wrap(tag)
"<html><head>#{tag}</head></html>"
end
test "requirejs_include_tag" do
render :text => wrap(requirejs_include_tag)
assert_select "script:first-of-type", :text => /var require =/
assert_select "script:last-of-type[src^=/javascripts/require.js]", :count => 1
end
test "requirejs_include_tag_with_param" do
render :text => wrap(requirejs_include_tag("application"))
assert_select "script:last-of-type[src^=/javascripts/require.js][data-main^=/javascripts/application.js]", :count => 1
end
test "requirejs_include_tag_with_block" do
test_block = Proc.new do |controller|
{ 'class' => controller.class.to_s.demodulize }
end
render :text => wrap(requirejs_include_tag("application", &test_block))
assert_select "script:last-of-type[src^=/javascripts/require.js][data-main^=/javascripts/application.js]", :count => 1
assert_select "script:last-of-type[src^=/javascripts/require.js][data-class^=TestController]", :count => 1
end
test "requirejs_include_tag can appear only once" do
assert_raises Requirejs::MultipleIncludeError do
render :text => "#{requirejs_include_tag}\n#{requirejs_include_tag}"
end
end
end