from nose.tools import istest, assert_equal

from mammoth import html_paths
from mammoth.style_reader import read_html_path


@istest
class ReadHtmlPathTests(object):
    @istest
    def can_read_single_element(self):
        assert_equal(
            html_paths.path([html_paths.element(["p"])]),
            read_html_path("p")
        )
    
    @istest
    def can_read_choice_of_two_elements(self):
        assert_equal(
            html_paths.path([html_paths.element(["ul", "ol"])]),
            read_html_path("ul|ol")
        )

    
    @istest
    def can_read_choice_of_three_elements(self):
        assert_equal(
            html_paths.path([html_paths.element(["ul", "ol", "p"])]),
            read_html_path("ul|ol|p")
        )