def metadata_bus_2_params(self, metadata_xml: CXml, params: dict):
metadata_list = metadata_xml.xpath('{0}/*'.format(
self.Path_MD_Bus_Root))
for metadata_item in metadata_list:
metadata_item_name = CXml.get_element_name(
metadata_item).lower().strip()
metadata_item_value = CXml.get_element_text(
metadata_item).lower().strip()
params[metadata_item_name] = metadata_item_value
def test_is_element_comment(self):
"""
判断一个节点是否是备注
"""
xml_content = '''<root name="hello world"><element>hello</element></root>'''
xml = CXml()
xml.load_xml(xml_content)
element = xml.xpath('/root/element')[0]
flag = xml.is_element_comment(element)
assert flag is False
def test_element_attr_exist(self):
"""
设置一个节点的文本
:return:
"""
xml_content = '''<root name="hello world"><element hello="中国"></element><element hello="美国"></element></root>'''
xml = CXml()
xml.load_xml(xml_content)
element = xml.xpath('/root/element')[1]
assert CXml.attr_exist(element, 'hello', False)
def test_get_element_name(self):
"""
获取节点的名称
:return:
"""
xml_content = '''<root name="hello world"><element>hello</element></root>'''
xml = CXml()
xml.load_xml(xml_content)
element = xml.xpath('/root/element')[0]
name = CXml.get_element_name(element)
assert name == 'element'
def test_get_element_text(self):
"""
获取一个节点的文本
:return:
"""
xml_content = '''<root name="hello world"><element>world</element></root>'''
xml = CXml()
xml.load_xml(xml_content)
element = xml.xpath('/root/element')[0]
text = CXml.get_element_text(element)
assert text == 'world'
def test_set_element_text(self):
"""
设置一个节点的文本
:return:
"""
xml_content = '''<root name="hello world"></root>'''
xml = CXml()
xml.load_xml(xml_content)
element = xml.xpath('/root')[0]
CXml.set_element_text(element, 'hello')
assert CXml.get_element_xml(element) == '<root name="hello world"><![CDATA[hello]]></root>'
def test_get_attr(self):
"""
获取一个属性的值, 如果属性不存在, 则返回默认值
:return:
"""
xml_content = '''<root name="hello world"><element hello="中国"></element><element hello="美国"></element></root>'''
xml = CXml()
xml.load_xml(xml_content)
element = xml.xpath('/root/element')[1]
value = CXml.get_attr(element, 'Hello', "null")
assert value == '美国'
