require "spec_helper"

describe Goethe::Utils do
  describe ".remove_html_tags" do
    it "should replace html tags with space" do
      str = "<p>我爱你</p>"
      expect(Goethe::Utils.remove_html_tags(str)).to eq(" 我爱你 ")
    end

    it "should replace html char with space" do
      str = "<p>hello&nbsp;</p>"
      expect(Goethe::Utils.remove_html_tags(str)).to eq(" hello  ")
    end

    it "should replace html elements with given charater" do
      str = "<p>hello&nbsp;</p>"
      expect(Goethe::Utils.remove_html_tags(str, :replacement => "**")).to eq("**hello****")
    end
  end

  describe ".remove_markdown_symbols" do
    it "should remove headers" do
      str = "#abc\n"
      expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc\n")

      str = " #### abc\n"
      expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc\n")

      str = "cba #### abc\n"
      expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("cba #### abc\n")

      str = "abc\n==="
      expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc\n")

      str = "abc\n---"
      expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc\n")
    end

    context "Emphasis" do
      it "should remove 1 * emphasis" do
        str = "*abc*"
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc")
      end

      it "should remove 2 * emphasis" do
        str = "**abc**"
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc")
      end

      it "should remove 3 * emphasis" do
        str = "***abc***"
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc")
      end

      it "should remove _ emphasis" do
        str = "_abc_"
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc")

        str = "__abc__"
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc")

        str = "___abc___"
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc")
      end

      it "should remove uneven emphasis" do
        str = "***abc**"
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("*abc")

        str = "__abc___"
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc_")
      end
    end

    it "should remove blockquotes" do
      str = "> abc\n"
      expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc\n")
    end

    it "should remove lists" do
      str = "* abc\n* bbc"
      expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc\nbbc")
    end

    context "hrulers" do
      it "should remove hrulers" do
        str = "abc\n* * *\nbbc\n***\ncbc\n*****\ndbc\n- - -\nebc\n___"
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("abc\n\nbbc\n\ncbc\n\ndbc\n\nebc\n")
      end
    end

    context "links" do
      it "should remove links correctly" do
        str = "please go to google: [Google](http://www.google.com)"
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("please go to google: Google")
      end
    end

    context "images" do
      it "should remove images correctly" do
        str = "This is ![Alt text](/path/to/img.jpg 'Optional title') an image."
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("This is  an image.")
      end
    end

    context "copyright" do
      it "should remove the copyright sign" do
        str = "Here is our &copy; brand"
        expect(Goethe::Utils.remove_markdown_symbols(str)).to eq("Here is our  brand")
      end
    end
  end

  describe "auto_link" do
    it "should parse correctly" do
      str = "hellohttp://www.google.com/google"
      expect(Goethe::Utils.auto_link(str)).to eq(%Q{hello<a href="http://www.google.com/google" rel="nofollow" target="_blank">http://www.google.com/google</a>})
      str = "hellohttp://www.google.com/ google"
      expect(Goethe::Utils.auto_link(str)).to eq(%Q{hello<a href="http://www.google.com/" rel="nofollow" target="_blank">http://www.google.com/</a> google})
    end

    it "should allow params" do
      str = "hellohttp://www.google.com:8080/?search=google&keyword=google"
      expect(Goethe::Utils.auto_link(str)).to eq(%Q{hello<a href="http://www.google.com:8080/?search=google&keyword=google" rel="nofollow" target="_blank">http://www.google.com:8080/?search=google&keyword=google</a>})
    end
  end
end