def test_normalize_contracts_text_nodes(self):
md = '_a'
ast = Parser().parse(md)
def assert_text_literals(text_literals):
walker = ast.walker()
document, _ = walker.next()
self.assertEqual(document.t, 'document')
paragraph, _ = walker.next()
self.assertEqual(paragraph.t, 'paragraph')
for literal in text_literals:
text, _ = walker.next()
self.assertEqual(text.t, 'text')
self.assertEqual(text.literal, literal)
paragraph, _ = walker.next()
self.assertEqual(paragraph.t, 'paragraph')
assert_text_literals(['_', 'a'])
ast.normalize()
# assert text nodes are contracted
assert_text_literals(['_a'])
ast.normalize()
# assert normalize() doesn't alter a normalized ast
assert_text_literals(['_a'])
