How to use the mwparserfromhell.nodes.Tag function in mwparserfromhell

tokens.Text(text="name"), tokens.TagAttrEquals(),
              tokens.TagAttrQuote(char='"'), tokens.Text(text="abc"),
              tokens.TagCloseSelfclose(padding=" ")],
             wrap([Tag(wraptext("ref"),
                       attrs=[Attribute(wraptext("name"), wraptext("abc"))],
                       self_closing=True, padding=" ")])),

            # <br>
            ([tokens.TagOpenOpen(), tokens.Text(text="br"),
              tokens.TagCloseSelfclose(padding="")],
             wrap([Tag(wraptext("br"), self_closing=True)])),

            # <li>
            ([tokens.TagOpenOpen(), tokens.Text(text="li"),
              tokens.TagCloseSelfclose(padding="", implicit=True)],
             wrap([Tag(wraptext("li"), self_closing=True, implicit=True)])),

            # <br>
            ([tokens.TagOpenOpen(invalid=True), tokens.Text(text="br"),
              tokens.TagCloseSelfclose(padding="", implicit=True)],
             wrap([Tag(wraptext("br"), self_closing=True, invalid=True,
                       implicit=True)])),

            # <br>
            ([tokens.TagOpenOpen(invalid=True), tokens.Text(text="br"),
              tokens.TagCloseSelfclose(padding="")],
             wrap([Tag(wraptext("br"), self_closing=True, invalid=True)])),

            # [[Source]]
            ([tokens.TagOpenOpen(), tokens.Text(text="ref"),
              tokens.TagAttrStart(pad_first=" ", pad_before_eq="",</li>

def test_strip(self):
        """test Tag.__strip__()"""
        node1 = Tag(wraptext("i"), wraptext("foobar"))
        node2 = Tag(wraptext("math"), wraptext("foobar"))
        node3 = Tag(wraptext("br"), self_closing=True)

        self.assertEqual("foobar", node1.__strip__())
        self.assertEqual(None, node2.__strip__())
        self.assertEqual(None, node3.__strip__())

def test_contents(self):
        """test getter/setter for the contents attribute"""
        contents = wraptext("text")
        node = Tag(wraptext("ref"), contents)
        self.assertIs(contents, node.contents)
        node.contents = "text and a {{template}}"
        parsed = wrap([Text("text and a "), Template(wraptext("template"))])
        self.assertWikicodeEqual(parsed, node.contents)
        self.assertEqual("text and a {{template}}", node)

def test_get(self):
        """test Tag.get()"""
        attrs = [agen("name", "foo")]
        node = Tag(wraptext("ref"), wraptext("cite"), attrs)
        self.assertIs(attrs[0], node.get("name"))
        self.assertIs(attrs[0], node.get("  name  "))
        self.assertIs(attrs[0], node.get(wraptext("name")))
        self.assertRaises(ValueError, node.get, "Name")
        self.assertRaises(ValueError, node.get, "foo")

        attrs = [agen("id", "foo"), agenp("class", "bar", "  ", "\n", "\n"),
                 agen("foo", "bar"), agenpnv("foo", " ", "  \n ", " \t")]
        node2 = Tag(wraptext("div"), attrs=attrs, self_closing=True)
        self.assertIs(attrs[0], node2.get("id"))
        self.assertIs(attrs[1], node2.get("class"))
        self.assertIs(attrs[1], node2.get(
            attrs[1].pad_first + str(attrs[1].name) + attrs[1].pad_before_eq))
        self.assertIs(attrs[3], node2.get(attrs[3]))
        self.assertIs(attrs[3], node2.get(str(attrs[3])))
        self.assertIs(attrs[3], node2.get(" foo"))
        self.assertRaises(ValueError, node2.get, "idclass")
        self.assertRaises(ValueError, node2.get, "id class")
        self.assertRaises(ValueError, node2.get, "id=foo")

tokens.TemplateOpen(), tokens.Text(text="l"),
              tokens.TemplateClose(),
              tokens.TagAttrStart(pad_first=" \n ", pad_before_eq=" ",
                                  pad_after_eq="  "),
              tokens.Text(text="mno"), tokens.TagAttrEquals(),
              tokens.TagAttrQuote(char="'"), tokens.TemplateOpen(),
              tokens.Text(text="p"), tokens.TemplateClose(),
              tokens.Text(text=" "), tokens.WikilinkOpen(),
              tokens.Text(text="q"), tokens.WikilinkClose(),
              tokens.Text(text=" "), tokens.TemplateOpen(),
              tokens.Text(text="r"), tokens.TemplateClose(),
              tokens.TagCloseOpen(padding=""), tokens.WikilinkOpen(),
              tokens.Text(text="Source"), tokens.WikilinkClose(),
              tokens.TagOpenClose(), tokens.Text(text="ref"),
              tokens.TagCloseClose()],
             wrap([Tag(wraptext("ref"), wrap([Wikilink(wraptext("Source"))]), [
                    Attribute(wraptext("name"),
                              wrap([Template(wraptext("abc"))]), None),
                    Attribute(wraptext("foo"), wrap([Text("bar "),
                              Template(wraptext("baz"))]), pad_first="   "),
                    Attribute(wraptext("abc"), wrap([Template(wraptext("de")),
                              Text("f")]), None),
                    Attribute(wraptext("ghi"), wrap([Text("j"),
                              Template(wraptext("k")),
                              Template(wraptext("l"))]), None),
                    Attribute(wraptext("mno"), wrap([Template(wraptext("p")),
                              Text(" "), Wikilink(wraptext("q")), Text(" "),
                              Template(wraptext("r"))]), "'", " \n ", " ",
                              "  ")])])),

            # "''italic text''"
            ([tokens.TagOpenOpen(wiki_markup="''"), tokens.Text(text="i"),

def test_wiki_style_separator(self):
        """test getter/setter for wiki_style_separator attribute"""
        node = Tag(wraptext("table"), wraptext("\n"))
        self.assertIs(None, node.wiki_style_separator)
        node.wiki_style_separator = "|"
        self.assertEqual("|", node.wiki_style_separator)
        node.wiki_markup = "{"
        self.assertEqual("{|\n{", node)
        node2 = Tag(wraptext("table"), wraptext("\n"), wiki_style_separator="|")
        self.assertEqual("|", node.wiki_style_separator)

def test_children(self):
        """test Tag.__children__()"""
        # foobar
        node1 = Tag(wraptext("ref"), wraptext("foobar"))
        # '''bold text'''
        node2 = Tag(wraptext("b"), wraptext("bold text"), wiki_markup="'''")
        # <img selected="" class="bar" id="foo">
        node3 = Tag(wraptext("img"),
                    attrs=[agen("id", "foo"), agen("class", "bar"),
                           agennv("selected")],
                    self_closing=True, padding=" ")

        gen1 = node1.__children__()
        gen2 = node2.__children__()
        gen3 = node3.__children__()
        self.assertEqual(node1.tag, next(gen1))
        self.assertEqual(node3.tag, next(gen3))
        self.assertEqual(node3.attributes[0].name, next(gen3))
        self.assertEqual(node3.attributes[0].value, next(gen3))
        self.assertEqual(node3.attributes[1].name, next(gen3))

Text(" "), Wikilink(wraptext("q")), Text(" "),
                              Template(wraptext("r"))]), "'", " \n ", " ",
                              "  ")])])),

            # "''italic text''"
            ([tokens.TagOpenOpen(wiki_markup="''"), tokens.Text(text="i"),
              tokens.TagCloseOpen(), tokens.Text(text="italic text"),
              tokens.TagOpenClose(), tokens.Text(text="i"),
              tokens.TagCloseClose()],
             wrap([Tag(wraptext("i"), wraptext("italic text"),
                       wiki_markup="''")])),

            # * bullet
            ([tokens.TagOpenOpen(wiki_markup="*"), tokens.Text(text="li"),
              tokens.TagCloseSelfclose(), tokens.Text(text=" bullet")],
             wrap([Tag(wraptext("li"), wiki_markup="*", self_closing=True),
                   Text(" bullet")])),
        ]
        for test, valid in tests:
            self.assertWikicodeEqual(valid, self.builder.build(test))

def test_attributes(self):
        """test getter for the attributes attribute"""
        attrs = [agen("name", "bar")]
        node1 = Tag(wraptext("ref"), wraptext("foo"))
        node2 = Tag(wraptext("ref"), wraptext("foo"), attrs)
        self.assertEqual([], node1.attributes)
        self.assertIs(attrs, node2.attributes)

def test_unicode(self):
        """test Tag.__unicode__()"""
        node1 = Tag(wraptext("ref"))
        node2 = Tag(wraptext("span"), wraptext("foo"),
                    [agen("style", "color: red;")])
        node3 = Tag(wraptext("ref"),
                    attrs=[agennq("name", "foo"),
                           agenpnv("some_attr", "   ", "", "")],
                    self_closing=True)
        node4 = Tag(wraptext("br"), self_closing=True, padding=" ")
        node5 = Tag(wraptext("br"), self_closing=True, implicit=True)
        node6 = Tag(wraptext("br"), self_closing=True, invalid=True,
                    implicit=True)
        node7 = Tag(wraptext("br"), self_closing=True, invalid=True,
                    padding=" ")
        node8 = Tag(wraptext("hr"), wiki_markup="----", self_closing=True)
        node9 = Tag(wraptext("i"), wraptext("italics!"), wiki_markup="''")

        self.assertEqual("", str(node1))