require "watirspec_helper"

describe "Browser" do

  describe "#exists?" do
    after do
      browser.window(index: 0).use
      browser.windows[1..-1].each(&:close)
    end

    it "returns true if we are at a page" do
      browser.goto(WatirSpec.url_for("non_control_elements.html"))
      expect(browser).to exist
    end

    bug "https://bugzilla.mozilla.org/show_bug.cgi?id=1223277", :firefox do
      not_compliant_on :headless do
        it "returns false if window is closed" do
          browser.goto WatirSpec.url_for("window_switching.html")
          browser.a(id: "open").click
          Watir::Wait.until { browser.windows.size == 2 }
          browser.window(title: "closeable window").use
          browser.a(id: "close").click
          Watir::Wait.until { browser.windows.size == 1 }
          expect(browser.exists?).to be false
        end
      end
    end

    it "returns false after Browser#close" do
      browser.close
      expect(browser).to_not exist
      $browser = WatirSpec.new_browser
    end
  end

  # this should be rewritten - the actual string returned varies a lot between implementations
  describe "#html" do
    it "returns the DOM of the page as an HTML string" do
      browser.goto(WatirSpec.url_for("right_click.html"))
      html = browser.html.downcase # varies between browsers

      expect(html).to match(/^<html/)
      expect(html).to include('<meta ')
      expect(html).to include(' content="text/html; charset=utf-8"')

      not_compliant_on :internet_explorer do
        expect(html).to include(' http-equiv="content-type"')
      end

      deviates_on :internet_explorer do
        expect(html).to include(' http-equiv=content-type')
      end
    end
  end

  describe "#title" do
    it "returns the current page title" do
      browser.goto(WatirSpec.url_for("non_control_elements.html"))
      expect(browser.title).to eq "Non-control elements"
    end
  end

  describe "#status" do
    # for Firefox, this needs to be enabled in
    # Preferences -> Content -> Advanced -> Change status bar text
    #
    # for IE9, this needs to be enabled in
    # View => Toolbars -> Status bar
    it "returns the current value of window.status" do
      browser.goto(WatirSpec.url_for("non_control_elements.html"))

      browser.execute_script "window.status = 'All done!';"
      expect(browser.status).to eq "All done!"
    end
  end

  bug "Capitalization bug fixed in upcoming release", %i(remote firefox) do
    describe "#name" do
      it "returns browser name" do
        expect(browser.name).to eq(WatirSpec.implementation.browser_args.first)
      end
    end
  end

  describe "#text" do
    it "returns the text of the page" do
      browser.goto(WatirSpec.url_for("non_control_elements.html"))
      expect(browser.text).to include("Dubito, ergo cogito, ergo sum.")
    end

    it "returns the text also if the content-type is text/plain" do
      # more specs for text/plain? what happens if we call other methods?
      browser.goto(WatirSpec.url_for("plain_text"))
      expect(browser.text.strip).to eq 'This is text/plain'
    end

    bug "Safari does not strip text", :safari do
      it "returns text of top most browsing context" do
        browser.goto(WatirSpec.url_for("nested_iframes.html"))
        browser.iframe(id: 'two').h3.exists?
        expect(browser.text).to eq 'Top Layer'
      end
    end
  end

  describe "#url" do
    it "returns the current url" do
      browser.goto(WatirSpec.url_for("non_control_elements.html"))
      expect(browser.url.casecmp(WatirSpec.url_for("non_control_elements.html"))).to eq 0
    end

    it "always returns top url" do
      browser.goto(WatirSpec.url_for("frames.html"))
      browser.frame.body.exists? # switches to frame
      expect(browser.url.casecmp(WatirSpec.url_for("frames.html"))).to eq 0
    end
  end

  describe "#title" do
    it "returns the current title" do
      browser.goto(WatirSpec.url_for("non_control_elements.html"))
      expect(browser.title).to eq "Non-control elements"
    end

    it "always returns top title" do
      browser.goto(WatirSpec.url_for("frames.html"))
      browser.element(tag_name: 'title').text
      browser.frame.body.exists? # switches to frame
      expect(browser.title).to eq "Frames"
    end
  end

  describe ".start" do
    it "goes to the given URL and return an instance of itself" do
      browser.close
      driver, args = WatirSpec.implementation.browser_args
      b = Watir::Browser.start(WatirSpec.url_for("non_control_elements.html"), driver, args.dup)

      expect(b).to be_instance_of(Watir::Browser)
      expect(b.title).to eq "Non-control elements"
      b.close
      $browser = WatirSpec.new_browser
    end
  end

  describe "#goto" do
    not_compliant_on :internet_explorer do
      it "adds http:// to URLs with no URL scheme specified" do
        url = WatirSpec.host[%r{http://(.*)}, 1]
        expect(url).to_not be_nil
        browser.goto(url)
        expect(browser.url).to match(%r[http://#{url}/?])
      end
    end

    it "goes to the given url without raising errors" do
      expect { browser.goto(WatirSpec.url_for("non_control_elements.html")) }.to_not raise_error
    end

    it "goes to the url 'about:blank' without raising errors" do
      expect { browser.goto("about:blank") }.to_not raise_error
    end

    not_compliant_on :internet_explorer do
      it "goes to a data URL scheme address without raising errors" do
        expect { browser.goto("data:text/html;content-type=utf-8,foobar") }.to_not raise_error
      end
    end

    compliant_on :chrome do
      it "goes to internal Chrome URL 'chrome://settings/browser' without raising errors" do
        expect { browser.goto("chrome://settings/browser") }.to_not raise_error
      end
    end

    it "updates the page when location is changed with setTimeout + window.location" do
      browser.goto(WatirSpec.url_for("timeout_window_location.html"))
      Watir::Wait.while { browser.url.include? 'timeout_window_location.html' }
      expect(browser.url).to include("non_control_elements.html")
    end
  end

  not_compliant_on :headless do
    describe "#refresh" do
      it "refreshes the page" do
        browser.goto(WatirSpec.url_for("non_control_elements.html"))
        browser.span(class: 'footer').click
        expect(browser.span(class: 'footer').text).to include('Javascript')
        browser.refresh
        browser.span(class: 'footer').wait_until_present
        expect(browser.span(class: 'footer').text).to_not include('Javascript')
      end
    end
  end

  describe "#execute_script" do
    before { browser.goto(WatirSpec.url_for("non_control_elements.html")) }

    it "executes the given JavaScript on the current page" do
      expect(browser.pre(id: 'rspec').text).to_not eq "javascript text"
      browser.execute_script("document.getElementById('rspec').innerHTML = 'javascript text'")
      expect(browser.pre(id: 'rspec').text).to eq "javascript text"
    end

    it "executes the given JavaScript in the context of an anonymous function" do
      expect(browser.execute_script("1 + 1")).to be_nil
      expect(browser.execute_script("return 1 + 1")).to eq 2
    end

    it "returns correct Ruby objects" do
      expect(browser.execute_script("return {a: 1, \"b\": 2}")).to eq Hash["a" => 1, "b" => 2]
      expect(browser.execute_script("return [1, 2, \"3\"]")).to match_array([1, 2, "3"])
      expect(browser.execute_script("return 1.2 + 1.3")).to eq 2.5
      expect(browser.execute_script("return 2 + 2")).to eq 4
      expect(browser.execute_script("return \"hello\"")).to eq "hello"
      expect(browser.execute_script("return")).to be_nil
      expect(browser.execute_script("return null")).to be_nil
      expect(browser.execute_script("return undefined")).to be_nil
      expect(browser.execute_script("return true")).to be true
      expect(browser.execute_script("return false")).to be false
    end

    it "works correctly with multi-line strings and special characters" do
      expect(browser.execute_script("//multiline rocks!
                            var a = 22; // comment on same line
                            /* more
                            comments */
                            var b = '33';
                            var c = \"44\";
                            return a + b + c")).to eq "223344"
    end
  end

  describe "#back and #forward" do
    it "goes to the previous page" do
      browser.goto WatirSpec.url_for("non_control_elements.html")
      orig_url = browser.url
      browser.goto WatirSpec.url_for("tables.html")
      new_url = browser.url
      expect(orig_url).to_not eq new_url
      browser.back
      expect(orig_url).to eq browser.url
    end

    it "goes to the next page" do
      urls = []
      browser.goto WatirSpec.url_for("non_control_elements.html")
      urls << browser.url
      browser.goto WatirSpec.url_for("tables.html")
      urls << browser.url

      browser.back
      expect(browser.url).to eq urls.first
      browser.forward
      expect(browser.url).to eq urls.last
    end

    it "navigates between several history items" do
      urls = ["non_control_elements.html",
              "tables.html",
              "forms_with_input_elements.html",
              "definition_lists.html"
      ].map do |page|
        browser.goto WatirSpec.url_for(page)
        browser.url
      end

      3.times { browser.back }
      expect(browser.url).to eq urls.first
      2.times { browser.forward }
      expect(browser.url).to eq urls[2]
    end
  end

  it "raises UnknownObjectException when trying to access DOM elements on plain/text-page" do
    browser.goto(WatirSpec.url_for("plain_text"))
    expect { browser.div(id: 'foo').id }.to raise_unknown_object_exception
  end

end