test_line.py
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	import unittest
	from os import sep, path
	from os.path import isdir, dirname
	import lxml.etree as ET
	import sys
	import sys

	sys.path.append('svgscripts')

	from datatypes.line import Line
	from datatypes.line_continuation import LineContinuation

	class TestLineNumber(unittest.TestCase):
	def setUp(self):
	DATADIR = dirname(__file__) + sep + 'test_data'
	self.test_target_file = DATADIR + sep + 'test.xml'
	self.id = 24

	def test_init(self):
	lnr = Line(id=self.id)
	self.assertEqual(lnr.id, self.id)

	def test_init_from_xml(self):
	xml_tree = ET.parse(self.test_target_file)
	lines = [ Line.create_cls_from_node(node=node) for node in xml_tree.getroot().xpath(Line.XML_TAG) ]
	self.assertEqual(len(lines), 49)
	self.assertEqual(lines[0].id, 1)
	self.assertEqual(lines[48].id, 49)

	def test_get_semanticAndDataDict(self):
	#print(Line.get_semantic_dictionary())
	pass

	def test_attach(self):
	tree = ET.Element('page')
	xml_tree = ET.parse(self.test_target_file)
	line = [ Line.create_cls_from_node(node=node) for node in xml_tree.getroot().xpath(Line.XML_TAG) ][1]
	line.editor_comment = LineContinuation.create_cls('1,3')
	line.attach_object_to_tree(tree)
	lineB = [ Line.create_cls_from_node(node=node) for node in tree.xpath(Line.XML_TAG) ][0]
	self.assertEqual(lineB.id, line.id)
	self.assertEqual(lineB.editor_comment.reference.first_line, line.editor_comment.reference.first_line)

	if __name__ == "__main__":
	unittest.main()