require 'spec_helper'

describe Arbre::Element, "Finder Methods" do
  let(:assigns){ {} }
  let(:helpers){ {} }

  describe "finding elements by tag name" do

    it "should return 0 when no elements exist" do
      arbre {
        div
      }.get_elements_by_tag_name("li").size.should == 0
    end

    it "should return a child element" do
      html = arbre do
        ul
        li
        ul
      end
      elements = html.get_elements_by_tag_name("li")
      elements.size.should == 1
      elements[0].should be_instance_of(Arbre::HTML::Li)
    end

    it "should return multple child elements" do
      html = arbre do
        ul
        li
        ul
        li
      end
      elements = html.get_elements_by_tag_name("li")
      elements.size.should == 2
      elements[0].should be_instance_of(Arbre::HTML::Li)
      elements[1].should be_instance_of(Arbre::HTML::Li)
    end

    it "should return children's child elements" do
      html = arbre do
        ul
        li do
          li
        end
      end
      elements = html.get_elements_by_tag_name("li")
      elements.size.should == 2
      elements[0].should be_instance_of(Arbre::HTML::Li)
      elements[1].should be_instance_of(Arbre::HTML::Li)
      elements[1].parent.should == elements[0]
    end
  end

  #TODO: describe "finding an element by id"

  describe "finding an element by a class name" do

    it "should return 0 when no elements exist" do
      arbre {
        div
      }.get_elements_by_class_name("my_class").size.should == 0
    end

    it "should return a child element" do
      html = arbre do
        div :class => "some_class"
        div :class => "my_class"
      end
      elements = html.get_elements_by_class_name("my_class")
      elements.size.should == 1
      elements[0].should be_instance_of(Arbre::HTML::Div)
    end

    it "should return multple child elements" do
      html = arbre do
        div :class => "some_class"
        div :class => "my_class"
        div :class => "my_class"
      end
      elements = html.get_elements_by_class_name("my_class")
      elements.size.should == 2
      elements[0].should be_instance_of(Arbre::HTML::Div)
      elements[1].should be_instance_of(Arbre::HTML::Div)
    end

    it "should return elements that match one of several classes" do
      html = arbre do
        div :class => "some_class this_class"
        div :class => "some_class"
        div :class => "other_class"

      end
      elements = html.get_elements_by_class_name("this_class")
      elements.size.should == 1
      elements[0].should be_instance_of(Arbre::HTML::Div)
    end

    # TODO: find children's children by class name

  end
end