text: # File to test result model
  import pytest
  
  from Controllers.html_checker import HtmlChecker
  
  EXISTS_HTML = ""
  NOT_EXISTS_HTML = ""
  
  with open("src/Tests/Sources/exist.html") as ex:
      exString = ex.read()
      EXISTS_HTML += exString
  
  with open("src/Tests/Sources/not_exist.html") as nex:
      nexString = nex.read()
      NOT_EXISTS_HTML += nexString
  
  
  def test_result_model():
      existHtml = HtmlChecker(exString)
      existHtml.find_tables()
      tableExist = existHtml.rmObjects
      assert len(tableExist) == 10, f"10 Subjects expected, {len(tableExist)} returned"
      grades = [x.grade for x in tableExist]
      assert (
          None not in grades
      ), f"All grades are supposed to be not None, but None was found in grades"
      marks = [x.mark for x in tableExist]
      assert (
          None not in marks
      ), f"All marks are supposed to be not None, but None was found in marks"
      notExistHtml = HtmlChecker(nexString)
      notExistHtml.find_tables()
      notTableExist = notExistHtml.rmObjects
      assert len(notTableExist) == 10, f"10 Subjects expected, {len(tableExist)} returned"
      grades = [x.grade for x in notTableExist]
      assert (
          grades.count(None) == 2
      ), f"2 subjects with None expected, {grades.count(None)} returned"
      marks = [x.mark for x in notTableExist]
      assert (
          marks.count(None) == 2
      ), f"2 subjects with None expected, {grades.count(None)} returned"
  