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
test "matches configured logical assets" do
assert_equal true, @cfg.asset_allowed?('foo.js')
assert_equal false, @cfg.asset_allowed?('bar.frobnitz')
@cfg.logical_asset_filter += [/\.frobnitz$/]
assert_equal true, @cfg.asset_allowed?('bar.frobnitz')
end
test "should have a default empty user_config" do
assert_kind_of Hash, @cfg.user_config
end
test "user_config should reject baseUrl" do
exc = assert_raises Requirejs::ConfigError do
@cfg.user_config = { 'baseUrl' => '/frobnitz' }
end
assert_match /baseUrl is not needed/, exc.message
end
test "run_config should inherit user_config settings" do
@cfg.user_config = { 'paths' => { 'jquery' => 'lib/jquery-1.7.2.min' } }
refute_nil @cfg.run_config['paths']
assert_kind_of Hash, @cfg.run_config['paths']
assert_equal 'lib/jquery-1.7.2.min', @cfg.run_config['paths']['jquery']
end
test "run_config should allow settings to be overridden" do
@cfg.run_config['baseUrl'] = 'http://cdn.example.com/assets'
assert_equal 'http://cdn.example.com/assets', @cfg.run_config['baseUrl']
end
test "build_config should inherit user_config settings" do
@cfg.user_config = { 'paths' => { 'jquery' => 'lib/jquery-1.7.2.min' } }
refute_nil @cfg.build_config['paths']
assert_kind_of Hash, @cfg.build_config['paths']
assert_equal 'lib/jquery-1.7.2.min', @cfg.build_config['paths']['jquery']
end
test "run_config should reject irrelevant settings" do
@cfg.user_config = { 'optimize' => 'none' }
assert_nil @cfg.run_config['optimize']
end
test "build_config should reject irrelevant settings" do
@cfg.user_config = { 'priority' => %w{ foo bar baz } }
assert_nil @cfg.build_config['priority']
end
## Almond tests
test "build_config with almond should accept one module" do
@cfg.loader = :almond
@cfg.user_config = { 'modules' => [ { 'name' => 'foo' } ] }
assert_match 'almond', @cfg.build_config['modules'][0]['name']
end
test "build_config with almond must reject more than one module" do
@cfg.loader = :almond
@cfg.user_config = { 'modules' => [ { 'name' => 'foo' }, { 'name' => 'bar' } ] }
exc = assert_raises Requirejs::ConfigError do
@cfg.build_config
end
assert_match /requires exactly one module/, exc.message
end
end
class RequirejsHelperTest < ActionView::TestCase
def setup
controller.requirejs_included = false
Rails.application.config.requirejs.user_config = {}
Rails.application.config.requirejs.delete(:run_config)
Rails.application.config.requirejs.delete(:build_config)
end
def with_cdn
Rails.application.config.requirejs.user_config = { 'paths' =>
{ 'jquery' => 'http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js' }
}
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]", :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]", :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
test "requirejs_include_tag with digested asset paths" do
begin
saved_digest = Rails.application.config.assets.digest
Rails.application.config.assets.digest = true
Rails.application.config.requirejs.user_config = { 'modules' => [{'name' => 'foo'}] }
render :text => wrap(requirejs_include_tag)
assert_select "script:first-of-type", :text => %r[var require =.*"paths":{"foo":"/javascripts/foo"}]
ensure
Rails.application.config.assets.digest = saved_digest
end
end
test "requirejs_include_tag with CDN asset in paths" do
with_cdn
render :text => wrap(requirejs_include_tag)
assert_select "script:first-of-type", :text => %r{var require =.*paths.*http://ajax}
end
test "requirejs_include_tag with CDN asset and digested asset paths" do
begin
with_cdn
saved_digest = Rails.application.config.assets.digest
Rails.application.config.assets.digest = true
render :text => wrap(requirejs_include_tag)
assert_select "script:first-of-type", :text => %r{var require =.*paths.*http://ajax}
ensure
Rails.application.config.assets.digest = saved_digest
end
end
end