def test_toString_NoChangesMade_ReturnOriginalXml(self):
xml = Xml('<some>xml</some>')
result = xml.toString()
self.assertEqual('<some>xml</some>', result)
def test_toString_setFirstNodeTextReturnsFalse_ReturnOriginalXml(self):
xml = Xml('<element><other>text</other></element>')
xml.setFirstNodeText('.//notfound', 'whatever')
result = xml.toString()
self.assertEqual('<element><other>text</other></element>', result)
def test_toString_XmlHeaderAndSetFirstNodeTextReturnsTrue_XmlHeaderRemoved(self):
xml = Xml("<?xml version='1.0' encoding='UTF-8'?>\n<element><other>text</other></element>")
xml.setFirstNodeText('.//other', 'pies')
result = xml.toString()
self.assertEqual('<element><other>pies</other></element>', result)
def test_toString_setFirstNodeTextReturnsTrue_ReturnModifiedXml(self):
xml = Xml('<element><other>text</other></element>')
xml.setFirstNodeText('.//other', 'pies')
result = xml.toString()
self.assertEqual('<element><other>pies</other></element>', result)
