require 'test_helper'

class BaseTest < ActiveSupport::TestCase

  class Context
    def assigns
      {}
    end
  end

  def render(&block)
    ExpressTemplates.render(Context.new, &block)
  end

  class UnorderedList < ExpressTemplates::Components::Base
    tag :ul

    has_attributes :class       => 'something',
                   'data-foo'   => 'something-else'

    contains {
      li { "Some stuff" }
    }
  end

  test ".tag_name determines the enclosing tag" do
    assert_match(/^\<ul/, render { unordered_list })
  end

  test ".has_attributes creates default attributes" do
    assert_match(/class="[^"]*something[^"]*"/, render { unordered_list })
    assert_match(/data-foo="[^"]*something-else[^"]*"/, render { unordered_list })
  end

  test ".contains places fragment inside the enclosing tag" do
    markup = render { unordered_list }
    assert_match(/\<ul.*\<li.*\/li\>.*\/ul\>/, markup.gsub("\n", ''))
  end

  test "class name is dasherized instead of underscored" do
    assert_match(/class="[^"]*unordered-list[^"]*"/, render { unordered_list })
  end

  test "options are passed to html attributes" do
    assert_match(/rows="5"/, render { unordered_list(rows: 5) })
  end

  test "class option adds a class, does not override" do
    markup = render { unordered_list(class: 'extra') }
    assert_match(/class="[^"]*something[^"]*"/, markup)
    assert_match(/class="[^"]*unordered-list[^"]*"/, markup)
    assert_match(/class="[^"]*extra[^"]*"/, markup)
  end

  class BeforeBuildHook < ExpressTemplates::Components::Base
    before_build :add_my_foo

    def add_my_foo
      set_attribute('data-foo', 'bar')
    end
  end

  test "before_build hook runs before build" do
    assert_match(/data-foo="bar"/, render { before_build_hook })
  end

end