local assert = require("luassert")
local scraper = require("scraper").module_doc

local get_doc_from_page = scraper.get_doc_from_page

describe("Scrap documentation", function()
   it("should return a valid AST for an empty module", function()
      local ast <const>, nodes <const> = get_doc_from_page("", "empty")
      assert.same(ast, {
         children = {
            {
               children = {},
               name = "Signal",
               token = "enum",
            }
         },
         name = "Empty",
         token = "module",
      })
      assert.same(nodes, {})
   end)

   it("should produce Signal nodes", function()
      local ast <const> = get_doc_from_page([[
            <h2 class="section-header"><a name="Signals"></a>Signals</h2>
            <dl class="function">
            <dt>
               <a
                  class="copy-link js-copy-link"
                  name="widget::layout_changed"
                  href="#widget::layout_changed"
                  >🔗</a
               >
               <strong>widget::layout_changed</strong>
               <span class="baseclass"> ·&nbsp;Inherited from wibox.widget.base </span>
            </dt>
            <dd></dd>
            <dt>
               <a
                  class="copy-link js-copy-link"
                  name="widget::redraw_needed"
                  href="#widget::redraw_needed"
                  >🔗</a
               >
               <strong>widget::redraw_needed</strong>
               <span class="baseclass"> ·&nbsp;Inherited from wibox.widget.base </span>
            </dt>
            <dd></dd>
            </dl>
         ]], "signal")
      assert.same(ast, {
         children = {
            {
               children = {
                  {
                     name = "widget::layout_changed",
                     token = "identifier",
                  },
                  {
                     name = "widget::redraw_needed",
                     token = "identifier",
                  },
               },
               name = "Signal",
               token = "enum",
            },
         },
         name = "Signal",
         token = "module",
      })
   end)
end)