Class ApplicationTests::AssetsTest < ActiveSupport::TestCase

# File railties/test/application/assets_test.rb, line 43
def assert_file_exists(filename)
  globbed = Dir[filename]
  assert globbed.one?, "Found #{globbed.size} files matching #{filename}. All files in the directory: #{Dir.entries(File.dirname(filename)).inspect}"
end

# File railties/test/application/assets_test.rb, line 48
def assert_no_file_exists(filename)
  assert !File.exist?(filename), "#{filename} does exist"
end

# File railties/test/application/assets_test.rb, line 37
def clean_assets!
  quietly do
    assert Dir.chdir(app_path) { system('bin/rails assets:clobber') }
  end
end

# File railties/test/application/assets_test.rb, line 19
def precompile!(env = nil)
  with_env env.to_h do
    quietly do
      precompile_task = "bin/rails assets:precompile --trace 2>&1"
      output = Dir.chdir(app_path) { %x[ #{precompile_task} ] }
      assert $?.success?, output
      output
    end
  end
end

# File railties/test/application/assets_test.rb, line 10
def setup
  build_app(initializers: true)
  boot_rails
end

# File railties/test/application/assets_test.rb, line 15
def teardown
  teardown_app
end

# File railties/test/application/assets_test.rb, line 102
def test_precompile_does_not_hit_the_database
  app_file "app/assets/config/manifest.js", "//= link_tree ../javascripts"
  app_file "app/assets/javascripts/application.js", "alert();"
  app_file "app/assets/javascripts/foo/application.js", "alert();"
  app_file "app/controllers/users_controller.rb", <<-eoruby
    class UsersController < ApplicationController; end
  eoruby
  app_file "app/models/user.rb", <<-eoruby
    class User < ActiveRecord::Base; raise 'should not be reached'; end
  eoruby

  precompile!          RAILS_ENV: 'production',
    DATABASE_URL: 'postgresql://baduser:badpass@127.0.0.1/dbname'

  files = Dir["#{app_path}/public/assets/application-*.js"]
  files << Dir["#{app_path}/public/assets/foo/application-*.js"].first
  files.each do |file|
    assert_not_nil file, "Expected application.js asset to be generated, but none found"
    assert_equal "alert();".strip, File.read(file).strip
  end
end

# File railties/test/application/assets_test.rb, line 30
def with_env(env)
  env.each { |k, v| ENV[k.to_s] = v }
  yield
ensure
  env.each_key { |k| ENV.delete k.to_s }
end