require "watirspec_helper"

describe "Dt" do

  before :each do
    browser.goto(WatirSpec.url_for("definition_lists.html"))
  end

  # Exists method
  describe "#exists?" do
    it "returns true if the element exists" do
      expect(browser.dt(id: "experience")).to exist
      expect(browser.dt(class: "current-industry")).to exist
      expect(browser.dt(xpath: "//dt[@id='experience']")).to exist
      expect(browser.dt(index: 0)).to exist
    end

    it "returns the first dt if given no args" do
      expect(browser.dt).to exist
    end

    it "returns false if the element does not exist" do
      expect(browser.dt(id: "no_such_id")).to_not exist
    end

    it "raises TypeError when 'what' argument is invalid" do
      expect { browser.dt(id: 3.14).exists? }.to raise_error(TypeError)
    end
  end

  # Attribute methods
  describe "#class_name" do
    it "returns the class attribute if the element exists" do
      expect(browser.dt(id: "experience").class_name).to eq "industry"
    end

    it "returns an empty string if the element exists but the attribute doesn't" do
      expect(browser.dt(id: "education").class_name).to eq ""
    end

    it "raises UnknownObjectException if the element does not exist" do
      expect { browser.dt(id: "no_such_id").class_name }.to raise_unknown_object_exception
      expect { browser.dt(title: "no_such_title").class_name }.to raise_unknown_object_exception
      expect { browser.dt(index: 1337).class_name }.to raise_unknown_object_exception
      expect { browser.dt(xpath: "//dt[@id='no_such_id']").class_name }.to raise_unknown_object_exception
    end
  end

  describe "#id" do
    it "returns the id attribute if the element exists" do
      expect(browser.dt(class: 'industry').id).to eq "experience"
    end

    it "returns an empty string if the element exists, but the attribute doesn't" do
      expect(browser.dt(class: 'current-industry').id).to eq ""
    end

    it "raises UnknownObjectException if the element does not exist" do
      expect {browser.dt(id: "no_such_id").id }.to raise_unknown_object_exception
      expect {browser.dt(title: "no_such_id").id }.to raise_unknown_object_exception
      expect {browser.dt(index: 1337).id }.to raise_unknown_object_exception
    end
  end

  describe "#title" do
    it "returns the title of the element" do
      expect(browser.dt(id: "experience").title).to eq "experience"
    end
  end

  describe "#text" do
    it "returns the text of the element" do
      expect(browser.dt(id: "experience").text).to eq "Experience"
    end

    it "returns an empty string if the element exists but contains no text" do
      expect(browser.dt(class: 'noop').text).to eq ""
    end

    it "raises UnknownObjectException if the element does not exist" do
      expect { browser.dt(id: "no_such_id").text }.to raise_unknown_object_exception
      expect { browser.dt(title: "no_such_title").text }.to raise_unknown_object_exception
      expect { browser.dt(index: 1337).text }.to raise_unknown_object_exception
      expect { browser.dt(xpath: "//dt[@id='no_such_id']").text }.to raise_unknown_object_exception
    end
  end

  describe "#respond_to?" do
    it "returns true for all attribute methods" do
      expect(browser.dt(index: 0)).to respond_to(:id)
      expect(browser.dt(index: 0)).to respond_to(:class_name)
      expect(browser.dt(index: 0)).to respond_to(:style)
      expect(browser.dt(index: 0)).to respond_to(:text)
      expect(browser.dt(index: 0)).to respond_to(:title)
    end
  end

  # Manipulation methods
  describe "#click" do
    it "fires events when clicked" do
      expect(browser.dt(id: 'education').text).to_not eq 'changed'
      browser.dt(id: 'education').click
      expect(browser.dt(id: 'education').text).to eq 'changed'
    end

    it "raises UnknownObjectException if the element does not exist" do
      expect { browser.dt(id: "no_such_id").click }.to raise_unknown_object_exception
      expect { browser.dt(title: "no_such_title").click }.to raise_unknown_object_exception
      expect { browser.dt(index: 1337).click }.to raise_unknown_object_exception
      expect { browser.dt(xpath: "//dt[@id='no_such_id']").click }.to raise_unknown_object_exception
    end
  end

  describe "#html" do
    it "returns the HTML of the element" do
      html = browser.dt(id: 'name').html
      expect(html).to match(%r[<div>.*Name.*</div>]mi)
      expect(html).to_not include('</body>')
    end
  end

end
