require 'helper'

class TestExcerptDrop < JekyllUnitTest
  context "an excerpt drop" do
    setup do
      @site = fixture_site
      @site.read
      @doc = @site.docs_to_write.first
      @doc_drop = @doc.to_liquid
      @excerpt = @doc.data['excerpt']
      @excerpt_drop = @excerpt.to_liquid
    end

    should "have the right thing" do
      assert @doc.is_a? Jekyll::Document
      assert @doc_drop.is_a? Jekyll::Drops::DocumentDrop
      assert @excerpt.is_a? Jekyll::Excerpt
      assert @excerpt_drop.is_a? Jekyll::Drops::ExcerptDrop
    end

    should "not have an excerpt" do
      assert_nil @excerpt.data['excerpt']
      assert @excerpt_drop.class.invokable? 'excerpt'
      assert_nil @excerpt_drop['excerpt']
    end

    should "inherit values from the document" do
      assert_equal @excerpt_drop.keys, @doc_drop.keys
    end
  end
end