"""Test suite for docx.oxml.xmlchemy."""

import pytest

from docx.oxml.exceptions import InvalidXmlError
from docx.oxml.ns import qn
from docx.oxml.parser import parse_xml, register_element_cls
from docx.oxml.simpletypes import BaseIntType
from docx.oxml.xmlchemy import (
    BaseOxmlElement,
    Choice,
    OneAndOnlyOne,
    OneOrMore,
    OptionalAttribute,
    RequiredAttribute,
    XmlString,
    ZeroOrMore,
    ZeroOrOne,
    ZeroOrOneChoice,
    serialize_for_reading,
)

from ..unitdata import BaseBuilder
from .unitdata.text import a_b, a_u, an_i, an_rPr


class DescribeBaseOxmlElement:
    def it_can_find_the_first_of_its_children_named_in_a_sequence(self, first_fixture):
        element, tagnames, matching_child = first_fixture
        assert element.first_child_found_in(*tagnames) is matching_child

    def it_can_insert_an_element_before_named_successors(self, insert_fixture):
        element, child, tagnames, expected_xml = insert_fixture
        element.insert_element_before(child, *tagnames)
        assert element.xml == expected_xml

    def it_can_remove_all_children_with_name_in_sequence(self, remove_fixture):
        element, tagnames, expected_xml = remove_fixture
        element.remove_all(*tagnames)
        assert element.xml == expected_xml

    # fixtures ---------------------------------------------

    @pytest.fixture(
        params=[
            ("biu", "iu", "i"),
            ("bu", "iu", "u"),
            ("bi", "u", None),
            ("b", "iu", None),
            ("iu", "biu", "i"),
            ("", "biu", None),
        ]
    )
    def first_fixture(self, request):
        present, matching, match = request.param
        element = self.rPr_bldr(present).element
        tagnames = self.nsptags(matching)
        matching_child = element.find(qn("w:%s" % match)) if match else None
        return element, tagnames, matching_child

    @pytest.fixture(
        params=[
            ("iu", "b", "iu", "biu"),
            ("u", "b", "iu", "bu"),
            ("", "b", "iu", "b"),
            ("bu", "i", "u", "biu"),
            ("bi", "u", "", "biu"),
        ]
    )
    def insert_fixture(self, request):
        present, new, successors, after = request.param
        element = self.rPr_bldr(present).element
        child = {"b": a_b(), "i": an_i(), "u": a_u()}[new].with_nsdecls().element
        tagnames = [("w:%s" % char) for char in successors]
        expected_xml = self.rPr_bldr(after).xml()
        return element, child, tagnames, expected_xml

    @pytest.fixture(
        params=[
            ("biu", "b", "iu"),
            ("biu", "bi", "u"),
            ("bbiiuu", "i", "bbuu"),
            ("biu", "i", "bu"),
            ("biu", "bu", "i"),
            ("bbiiuu", "", "bbiiuu"),
            ("biu", "u", "bi"),
            ("biu", "ui", "b"),
            ("bbiiuu", "bi", "uu"),
            ("bu", "i", "bu"),
            ("", "ui", ""),
        ]
    )
    def remove_fixture(self, request):
        present, remove, after = request.param
        element = self.rPr_bldr(present).element
        tagnames = self.nsptags(remove)
        expected_xml = self.rPr_bldr(after).xml()
        return element, tagnames, expected_xml

    # fixture components ---------------------------------------------

    def nsptags(self, letters):
        return [("w:%s" % letter) for letter in letters]

    def rPr_bldr(self, children):
        rPr_bldr = an_rPr().with_nsdecls()
        for char in children:
            if char == "b":
                rPr_bldr.with_child(a_b())
            elif char == "i":
                rPr_bldr.with_child(an_i())
            elif char == "u":
                rPr_bldr.with_child(a_u())
            else:
                raise NotImplementedError("got '%s'" % char)
        return rPr_bldr


class DescribeSerializeForReading:
    def it_pretty_prints_an_lxml_element(self, pretty_fixture):
        element, expected_xml_text = pretty_fixture
        xml_text = serialize_for_reading(element)
        assert xml_text == expected_xml_text

    def it_returns_unicode_text(self, type_fixture):
        element = type_fixture
        xml_text = serialize_for_reading(element)
        assert isinstance(xml_text, str)

    # fixtures ---------------------------------------------

    @pytest.fixture
    def pretty_fixture(self, element):
        expected_xml_text = "<foø>\n  <bår>text</bår>\n</foø>\n"
        return element, expected_xml_text

    @pytest.fixture
    def type_fixture(self, element):
        return element

    # fixture components -----------------------------------

    @pytest.fixture
    def element(self):
        return parse_xml("<foø><bår>text</bår></foø>")


class DescribeXmlString:
    def it_parses_a_line_to_help_compare(self, parse_fixture):
        """
        This internal function is important to test separately because if it
        doesn't parse a line properly, false equality can result.
        """
        line, expected_front, expected_attrs = parse_fixture[:3]
        expected_close, expected_text = parse_fixture[3:]
        front, attrs, close, text = XmlString._parse_line(line)
        # print("'%s' '%s' '%s' %s" % (
        #     front, attrs, close, ('%s' % text) if text else text))
        assert front == expected_front
        assert attrs == expected_attrs
        assert close == expected_close
        assert text == expected_text

    def it_knows_if_two_xml_lines_are_equivalent(self, xml_line_case):
        line, other, differs = xml_line_case
        xml = XmlString(line)
        assert xml == other
        assert xml != differs

    # fixtures ---------------------------------------------

    @pytest.fixture(
        params=[
            ("<a>text</a>", "<a", "", ">", "text</a>"),
            ("<a:f/>", "<a:f", "", "/>", None),
            ('<a:f b="c"/>', "<a:f", ' b="c"', "/>", None),
            ("<a:f>t</a:f>", "<a:f", "", ">", "t</a:f>"),
            (
                '<dcterms:created xsi:type="dcterms:W3CDTF">2013-12-23T23:15:00Z</dcterms:created>',
                "<dcterms:created",
                ' xsi:type="dcterms:W3CDTF"',
                ">",
                "2013-12-23T23:15:00Z</dcterms:created>",
            ),
        ]
    )
    def parse_fixture(self, request):
        line, front, attrs, close, text = request.param
        return line, front, attrs, close, text

    @pytest.fixture(
        params=[
            "simple_elm",
            "nsp_tagname",
            "indent",
            "attrs",
            "nsdecl_order",
            "closing_elm",
        ]
    )
    def xml_line_case(self, request):
        cases = {
            "simple_elm": (
                "<name/>",
                "<name/>",
                "<name>",
            ),
            "nsp_tagname": (
                "<xyz:name/>",
                "<xyz:name/>",
                "<abc:name/>",
            ),
            "indent": (
                "  <xyz:name/>",
                "  <xyz:name/>",
                "<xyz:name/>",
            ),
            "attrs": (
                '  <abc:Name foo="bar" bar="foo">',
                '  <abc:Name bar="foo" foo="bar">',
                '  <abc:Name far="boo" foo="bar">',
            ),
            "nsdecl_order": (
                '    <name xmlns:a="http://ns/1" xmlns:b="http://ns/2"/>',
                '    <name xmlns:b="http://ns/2" xmlns:a="http://ns/1"/>',
                '    <name xmlns:b="http://ns/2" xmlns:a="http://ns/1">',
            ),
            "closing_elm": (
                "</xyz:name>",
                "</xyz:name>",
                "<xyz:name>",
            ),
        }
        line, other, differs = cases[request.param]
        return line, other, differs


class DescribeChoice:
    def it_adds_a_getter_property_for_the_choice_element(self, getter_fixture):
        parent, expected_choice = getter_fixture
        assert parent.choice is expected_choice

    def it_adds_a_creator_method_for_the_child_element(self, new_fixture):
        parent, expected_xml = new_fixture
        choice = parent._new_choice()
        assert choice.xml == expected_xml

    def it_adds_an_insert_method_for_the_child_element(self, insert_fixture):
        parent, choice, expected_xml = insert_fixture
        parent._insert_choice(choice)
        assert parent.xml == expected_xml
        assert parent._insert_choice.__doc__.startswith("Return the passed ``<w:choice>`` ")

    def it_adds_an_add_method_for_the_child_element(self, add_fixture):
        parent, expected_xml = add_fixture
        choice = parent._add_choice()
        assert parent.xml == expected_xml
        assert isinstance(choice, CT_Choice)
        assert parent._add_choice.__doc__.startswith("Add a new ``<w:choice>`` child element ")

    def it_adds_a_get_or_change_to_method_for_the_child_element(self, get_or_change_to_fixture):
        parent, expected_xml = get_or_change_to_fixture
        choice = parent.get_or_change_to_choice()
        assert isinstance(choice, CT_Choice)
        assert parent.xml == expected_xml

    # fixtures -------------------------------------------------------

    @pytest.fixture
    def add_fixture(self):
        parent = self.parent_bldr().element
        expected_xml = self.parent_bldr("choice").xml()
        return parent, expected_xml

    @pytest.fixture(
        params=[
            ("choice2", "choice"),
            (None, "choice"),
            ("choice", "choice"),
        ]
    )
    def get_or_change_to_fixture(self, request):
        before_member_tag, after_member_tag = request.param
        parent = self.parent_bldr(before_member_tag).element
        expected_xml = self.parent_bldr(after_member_tag).xml()
        return parent, expected_xml

    @pytest.fixture(params=["choice", None])
    def getter_fixture(self, request):
        choice_tag = request.param
        parent = self.parent_bldr(choice_tag).element
        expected_choice = parent.find(qn("w:choice"))  # None if not found
        return parent, expected_choice

    @pytest.fixture
    def insert_fixture(self):
        parent = (
            a_parent().with_nsdecls().with_child(an_oomChild()).with_child(an_oooChild())
        ).element
        choice = a_choice().with_nsdecls().element
        expected_xml = (
            a_parent()
            .with_nsdecls()
            .with_child(a_choice())
            .with_child(an_oomChild())
            .with_child(an_oooChild())
        ).xml()
        return parent, choice, expected_xml

    @pytest.fixture
    def new_fixture(self):
        parent = self.parent_bldr().element
        expected_xml = a_choice().with_nsdecls().xml()
        return parent, expected_xml

    # fixture components ---------------------------------------------

    def parent_bldr(self, choice_tag=None):
        parent_bldr = a_parent().with_nsdecls()
        if choice_tag == "choice":
            parent_bldr.with_child(a_choice())
        if choice_tag == "choice2":
            parent_bldr.with_child(a_choice2())
        return parent_bldr


class DescribeOneAndOnlyOne:
    def it_adds_a_getter_property_for_the_child_element(self, getter_fixture):
        parent, oooChild = getter_fixture
        assert parent.oooChild is oooChild

    # fixtures -------------------------------------------------------

    @pytest.fixture
    def getter_fixture(self):
        parent = a_parent().with_nsdecls().with_child(an_oooChild()).element
        oooChild = parent.find(qn("w:oooChild"))
        return parent, oooChild


class DescribeOneOrMore:
    def it_adds_a_getter_property_for_the_child_element_list(self, getter_fixture):
        parent, oomChild = getter_fixture
        assert parent.oomChild_lst[0] is oomChild

    def it_adds_a_creator_method_for_the_child_element(self, new_fixture):
        parent, expected_xml = new_fixture
        oomChild = parent._new_oomChild()
        assert oomChild.xml == expected_xml

    def it_adds_an_insert_method_for_the_child_element(self, insert_fixture):
        parent, oomChild, expected_xml = insert_fixture
        parent._insert_oomChild(oomChild)
        assert parent.xml == expected_xml
        assert parent._insert_oomChild.__doc__.startswith("Return the passed ``<w:oomChild>`` ")

    def it_adds_a_private_add_method_for_the_child_element(self, add_fixture):
        parent, expected_xml = add_fixture
        oomChild = parent._add_oomChild()
        assert parent.xml == expected_xml
        assert isinstance(oomChild, CT_OomChild)
        assert parent._add_oomChild.__doc__.startswith("Add a new ``<w:oomChild>`` child element ")

    def it_adds_a_public_add_method_for_the_child_element(self, add_fixture):
        parent, expected_xml = add_fixture
        oomChild = parent.add_oomChild()
        assert parent.xml == expected_xml
        assert isinstance(oomChild, CT_OomChild)
        assert parent._add_oomChild.__doc__.startswith("Add a new ``<w:oomChild>`` child element ")

    # fixtures -------------------------------------------------------

    @pytest.fixture
    def add_fixture(self):
        parent = self.parent_bldr(False).element
        expected_xml = self.parent_bldr(True).xml()
        return parent, expected_xml

    @pytest.fixture
    def getter_fixture(self):
        parent = self.parent_bldr(True).element
        oomChild = parent.find(qn("w:oomChild"))
        return parent, oomChild

    @pytest.fixture
    def insert_fixture(self):
        parent = (
            a_parent()
            .with_nsdecls()
            .with_child(an_oooChild())
            .with_child(a_zomChild())
            .with_child(a_zooChild())
        ).element
        oomChild = an_oomChild().with_nsdecls().element
        expected_xml = (
            a_parent()
            .with_nsdecls()
            .with_child(an_oomChild())
            .with_child(an_oooChild())
            .with_child(a_zomChild())
            .with_child(a_zooChild())
        ).xml()
        return parent, oomChild, expected_xml

    @pytest.fixture
    def new_fixture(self):
        parent = self.parent_bldr(False).element
        expected_xml = an_oomChild().with_nsdecls().xml()
        return parent, expected_xml

    # fixture components ---------------------------------------------

    def parent_bldr(self, oomChild_is_present):
        parent_bldr = a_parent().with_nsdecls()
        if oomChild_is_present:
            parent_bldr.with_child(an_oomChild())
        return parent_bldr


class DescribeOptionalAttribute:
    def it_adds_a_getter_property_for_the_attr_value(self, getter_fixture):
        parent, optAttr_python_value = getter_fixture
        assert parent.optAttr == optAttr_python_value

    def it_adds_a_setter_property_for_the_attr(self, setter_fixture):
        parent, value, expected_xml = setter_fixture
        parent.optAttr = value
        assert parent.xml == expected_xml

    def it_adds_a_docstring_for_the_property(self):
        assert CT_Parent.optAttr.__doc__.startswith("ST_IntegerType type-converted value of ")

    # fixtures -------------------------------------------------------

    @pytest.fixture
    def getter_fixture(self):
        parent = a_parent().with_nsdecls().with_optAttr("24").element
        return parent, 24

    @pytest.fixture(params=[36, None])
    def setter_fixture(self, request):
        value = request.param
        parent = a_parent().with_nsdecls().with_optAttr("42").element
        if value is None:
            expected_xml = a_parent().with_nsdecls().xml()
        else:
            expected_xml = a_parent().with_nsdecls().with_optAttr(value).xml()
        return parent, value, expected_xml


class DescribeRequiredAttribute:
    def it_adds_a_getter_property_for_the_attr_value(self, getter_fixture):
        parent, reqAttr_python_value = getter_fixture
        assert parent.reqAttr == reqAttr_python_value

    def it_adds_a_setter_property_for_the_attr(self, setter_fixture):
        parent, value, expected_xml = setter_fixture
        parent.reqAttr = value
        assert parent.xml == expected_xml

    def it_adds_a_docstring_for_the_property(self):
        assert CT_Parent.reqAttr.__doc__.startswith("ST_IntegerType type-converted value of ")

    def it_raises_on_get_when_attribute_not_present(self):
        parent = a_parent().with_nsdecls().element
        with pytest.raises(InvalidXmlError):
            parent.reqAttr

    def it_raises_on_assign_invalid_value(self, invalid_assign_fixture):
        parent, value, expected_exception = invalid_assign_fixture
        with pytest.raises(expected_exception):
            parent.reqAttr = value

    # fixtures -------------------------------------------------------

    @pytest.fixture
    def getter_fixture(self):
        parent = a_parent().with_nsdecls().with_reqAttr("42").element
        return parent, 42

    @pytest.fixture(
        params=[
            (None, TypeError),
            (-4, ValueError),
            ("2", TypeError),
        ]
    )
    def invalid_assign_fixture(self, request):
        invalid_value, expected_exception = request.param
        parent = a_parent().with_nsdecls().with_reqAttr(1).element
        return parent, invalid_value, expected_exception

    @pytest.fixture
    def setter_fixture(self):
        parent = a_parent().with_nsdecls().with_reqAttr("42").element
        value = 24
        expected_xml = a_parent().with_nsdecls().with_reqAttr(value).xml()
        return parent, value, expected_xml


class DescribeZeroOrMore:
    def it_adds_a_getter_property_for_the_child_element_list(self, getter_fixture):
        parent, zomChild = getter_fixture
        assert parent.zomChild_lst[0] is zomChild

    def it_adds_a_creator_method_for_the_child_element(self, new_fixture):
        parent, expected_xml = new_fixture
        zomChild = parent._new_zomChild()
        assert zomChild.xml == expected_xml

    def it_adds_an_insert_method_for_the_child_element(self, insert_fixture):
        parent, zomChild, expected_xml = insert_fixture
        parent._insert_zomChild(zomChild)
        assert parent.xml == expected_xml
        assert parent._insert_zomChild.__doc__.startswith("Return the passed ``<w:zomChild>`` ")

    def it_adds_an_add_method_for_the_child_element(self, add_fixture):
        parent, expected_xml = add_fixture
        zomChild = parent._add_zomChild()
        assert parent.xml == expected_xml
        assert isinstance(zomChild, CT_ZomChild)
        assert parent._add_zomChild.__doc__.startswith("Add a new ``<w:zomChild>`` child element ")

    def it_adds_a_public_add_method_for_the_child_element(self, add_fixture):
        parent, expected_xml = add_fixture
        zomChild = parent.add_zomChild()
        assert parent.xml == expected_xml
        assert isinstance(zomChild, CT_ZomChild)
        assert parent._add_zomChild.__doc__.startswith("Add a new ``<w:zomChild>`` child element ")

    def it_removes_the_property_root_name_used_for_declaration(self):
        assert not hasattr(CT_Parent, "zomChild")

    # fixtures -------------------------------------------------------

    @pytest.fixture
    def add_fixture(self):
        parent = self.parent_bldr(False).element
        expected_xml = self.parent_bldr(True).xml()
        return parent, expected_xml

    @pytest.fixture
    def getter_fixture(self):
        parent = self.parent_bldr(True).element
        zomChild = parent.find(qn("w:zomChild"))
        return parent, zomChild

    @pytest.fixture
    def insert_fixture(self):
        parent = (
            a_parent()
            .with_nsdecls()
            .with_child(an_oomChild())
            .with_child(an_oooChild())
            .with_child(a_zooChild())
        ).element
        zomChild = a_zomChild().with_nsdecls().element
        expected_xml = (
            a_parent()
            .with_nsdecls()
            .with_child(an_oomChild())
            .with_child(an_oooChild())
            .with_child(a_zomChild())
            .with_child(a_zooChild())
        ).xml()
        return parent, zomChild, expected_xml

    @pytest.fixture
    def new_fixture(self):
        parent = self.parent_bldr(False).element
        expected_xml = a_zomChild().with_nsdecls().xml()
        return parent, expected_xml

    def parent_bldr(self, zomChild_is_present):
        parent_bldr = a_parent().with_nsdecls()
        if zomChild_is_present:
            parent_bldr.with_child(a_zomChild())
        return parent_bldr


class DescribeZeroOrOne:
    def it_adds_a_getter_property_for_the_child_element(self, getter_fixture):
        parent, zooChild = getter_fixture
        assert parent.zooChild is zooChild

    def it_adds_an_add_method_for_the_child_element(self, add_fixture):
        parent, expected_xml = add_fixture
        zooChild = parent._add_zooChild()
        assert parent.xml == expected_xml
        assert isinstance(zooChild, CT_ZooChild)
        assert parent._add_zooChild.__doc__.startswith("Add a new ``<w:zooChild>`` child element ")

    def it_adds_an_insert_method_for_the_child_element(self, insert_fixture):
        parent, zooChild, expected_xml = insert_fixture
        parent._insert_zooChild(zooChild)
        assert parent.xml == expected_xml
        assert parent._insert_zooChild.__doc__.startswith("Return the passed ``<w:zooChild>`` ")

    def it_adds_a_get_or_add_method_for_the_child_element(self, get_or_add_fixture):
        parent, expected_xml = get_or_add_fixture
        zooChild = parent.get_or_add_zooChild()
        assert isinstance(zooChild, CT_ZooChild)
        assert parent.xml == expected_xml

    def it_adds_a_remover_method_for_the_child_element(self, remove_fixture):
        parent, expected_xml = remove_fixture
        parent._remove_zooChild()
        assert parent.xml == expected_xml

    # fixtures -------------------------------------------------------

    @pytest.fixture
    def add_fixture(self):
        parent = self.parent_bldr(False).element
        expected_xml = self.parent_bldr(True).xml()
        return parent, expected_xml

    @pytest.fixture(params=[True, False])
    def getter_fixture(self, request):
        zooChild_is_present = request.param
        parent = self.parent_bldr(zooChild_is_present).element
        zooChild = parent.find(qn("w:zooChild"))  # None if not found
        return parent, zooChild

    @pytest.fixture(params=[True, False])
    def get_or_add_fixture(self, request):
        zooChild_is_present = request.param
        parent = self.parent_bldr(zooChild_is_present).element
        expected_xml = self.parent_bldr(True).xml()
        return parent, expected_xml

    @pytest.fixture
    def insert_fixture(self):
        parent = (
            a_parent()
            .with_nsdecls()
            .with_child(an_oomChild())
            .with_child(an_oooChild())
            .with_child(a_zomChild())
        ).element
        zooChild = a_zooChild().with_nsdecls().element
        expected_xml = (
            a_parent()
            .with_nsdecls()
            .with_child(an_oomChild())
            .with_child(an_oooChild())
            .with_child(a_zomChild())
            .with_child(a_zooChild())
        ).xml()
        return parent, zooChild, expected_xml

    @pytest.fixture(params=[True, False])
    def remove_fixture(self, request):
        zooChild_is_present = request.param
        parent = self.parent_bldr(zooChild_is_present).element
        expected_xml = self.parent_bldr(False).xml()
        return parent, expected_xml

    # fixture components ---------------------------------------------

    def parent_bldr(self, zooChild_is_present):
        parent_bldr = a_parent().with_nsdecls()
        if zooChild_is_present:
            parent_bldr.with_child(a_zooChild())
        return parent_bldr


class DescribeZeroOrOneChoice:
    def it_adds_a_getter_for_the_current_choice(self, getter_fixture):
        parent, expected_choice = getter_fixture
        assert parent.eg_zooChoice is expected_choice

    # fixtures -------------------------------------------------------

    @pytest.fixture(params=[None, "choice", "choice2"])
    def getter_fixture(self, request):
        choice_tag = request.param
        parent = self.parent_bldr(choice_tag).element
        tagname = "w:%s" % choice_tag
        expected_choice = parent.find(qn(tagname))  # None if not found
        return parent, expected_choice

    # fixture components ---------------------------------------------

    def parent_bldr(self, choice_tag=None):
        parent_bldr = a_parent().with_nsdecls()
        if choice_tag == "choice":
            parent_bldr.with_child(a_choice())
        if choice_tag == "choice2":
            parent_bldr.with_child(a_choice2())
        return parent_bldr


# --------------------------------------------------------------------
# static shared fixture
# --------------------------------------------------------------------


class ST_IntegerType(BaseIntType):
    @classmethod
    def validate(cls, value):
        cls.validate_int(value)
        if value < 1 or value > 42:
            raise ValueError("value must be in range 1 to 42 inclusive")


class CT_Parent(BaseOxmlElement):
    """
    ``<w:parent>`` element, an invented element for use in testing.
    """

    eg_zooChoice = ZeroOrOneChoice(
        (Choice("w:choice"), Choice("w:choice2")),
        successors=("w:oomChild", "w:oooChild"),
    )
    oomChild = OneOrMore("w:oomChild", successors=("w:oooChild", "w:zomChild", "w:zooChild"))
    oooChild = OneAndOnlyOne("w:oooChild")
    zomChild = ZeroOrMore("w:zomChild", successors=("w:zooChild",))
    zooChild = ZeroOrOne("w:zooChild", successors=())
    optAttr = OptionalAttribute("w:optAttr", ST_IntegerType)
    reqAttr = RequiredAttribute("reqAttr", ST_IntegerType)


class CT_Choice(BaseOxmlElement):
    """
    ``<w:choice>`` element
    """


class CT_OomChild(BaseOxmlElement):
    """
    Oom standing for 'OneOrMore', ``<w:oomChild>`` element, representing a
    child element that can appear multiple times in sequence, but must appear
    at least once.
    """


class CT_ZomChild(BaseOxmlElement):
    """
    Zom standing for 'ZeroOrMore', ``<w:zomChild>`` element, representing an
    optional child element that can appear multiple times in sequence.
    """


class CT_ZooChild(BaseOxmlElement):
    """
    Zoo standing for 'ZeroOrOne', ``<w:zooChild>`` element, an invented
    element for use in testing.
    """


register_element_cls("w:parent", CT_Parent)
register_element_cls("w:choice", CT_Choice)
register_element_cls("w:oomChild", CT_OomChild)
register_element_cls("w:zomChild", CT_ZomChild)
register_element_cls("w:zooChild", CT_ZooChild)


class CT_ChoiceBuilder(BaseBuilder):
    __tag__ = "w:choice"
    __nspfxs__ = ("w",)
    __attrs__ = ()


class CT_Choice2Builder(BaseBuilder):
    __tag__ = "w:choice2"
    __nspfxs__ = ("w",)
    __attrs__ = ()


class CT_ParentBuilder(BaseBuilder):
    __tag__ = "w:parent"
    __nspfxs__ = ("w",)
    __attrs__ = ("w:optAttr", "reqAttr")


class CT_OomChildBuilder(BaseBuilder):
    __tag__ = "w:oomChild"
    __nspfxs__ = ("w",)
    __attrs__ = ()


class CT_OooChildBuilder(BaseBuilder):
    __tag__ = "w:oooChild"
    __nspfxs__ = ("w",)
    __attrs__ = ()


class CT_ZomChildBuilder(BaseBuilder):
    __tag__ = "w:zomChild"
    __nspfxs__ = ("w",)
    __attrs__ = ()


class CT_ZooChildBuilder(BaseBuilder):
    __tag__ = "w:zooChild"
    __nspfxs__ = ("w",)
    __attrs__ = ()


def a_choice():
    return CT_ChoiceBuilder()


def a_choice2():
    return CT_Choice2Builder()


def a_parent():
    return CT_ParentBuilder()


def a_zomChild():
    return CT_ZomChildBuilder()


def a_zooChild():
    return CT_ZooChildBuilder()


def an_oomChild():
    return CT_OomChildBuilder()


def an_oooChild():
    return CT_OooChildBuilder()