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import unittest
from unittest.mock import patch
from mistletoe import span_token
class TestBranchToken(unittest.TestCase):
def setUp(self):
self.addCleanup(lambda: span_token._token_types.__setitem__(-1, span_token.RawText))
patcher = patch('mistletoe.span_token.RawText')
self.mock = patcher.start()
span_token._token_types[-1] = self.mock
self.addCleanup(patcher.stop)
def _test_parse(self, token_cls, raw, arg, **kwargs):
token = next(iter(span_token.tokenize_inner(raw)))
self.assertIsInstance(token, token_cls)
self._test_token(token, arg, **kwargs)
return token
def _test_token(self, token, arg, children=True, **kwargs):
for attr, value in kwargs.items():
self.assertEqual(getattr(token, attr), value)
if children:
self.mock.assert_any_call(arg)
class TestStrong(TestBranchToken):
def test_parse(self):
self._test_parse(span_token.Strong, '**some text**', 'some text')
self._test_parse(span_token.Strong, '__some text__', 'some text')
def test_strong_when_both_delimiter_run_lengths_are_multiples_of_3(self):
tokens = iter(span_token.tokenize_inner('foo******bar*********baz'))
self._test_token(next(tokens), 'foo', children=False)
self._test_token(next(tokens), 'bar', children=True)
self._test_token(next(tokens), '***baz', children=False)
class TestEmphasis(TestBranchToken):
def test_parse(self):
self._test_parse(span_token.Emphasis, '*some text*', 'some text')
self._test_parse(span_token.Emphasis, '_some text_', 'some text')
def test_emphasis_with_straight_quote(self):
tokens = iter(span_token.tokenize_inner('_Book Title_\'s author'))
self._test_token(next(tokens), 'Book Title', children=True)
self._test_token(next(tokens), '\'s author', children=False)
def test_emphasis_with_smart_quote(self):
tokens = iter(span_token.tokenize_inner('_Book Title_’s author'))
self._test_token(next(tokens), 'Book Title', children=True)
self._test_token(next(tokens), '’s author', children=False)
def test_no_emphasis_for_underscore_without_punctuation(self):
tokens = iter(span_token.tokenize_inner('_an example without_punctuation'))
self._test_token(next(tokens), '_an example without_punctuation', children=True)
def test_emphasis_for_asterisk_without_punctuation(self):
tokens = iter(span_token.tokenize_inner('*an example without*punctuation'))
self._test_token(next(tokens), 'an example without', children=True)
self._test_token(next(tokens), 'punctuation', children=False)
class TestInlineCode(TestBranchToken):
def _test_parse_enclosed(self, encl_type, encl_delimiter):
token = self._test_parse(encl_type, '{delim}`some text`{delim}'.format(delim=encl_delimiter), 'some text')
self.assertEqual(len(token.children), 1)
self.assertIsInstance(token.children[0], span_token.InlineCode)
def test_parse(self):
self._test_parse(span_token.InlineCode, '`some text`', 'some text')
def test_parse_in_bold(self):
self._test_parse_enclosed(span_token.Strong, '**')
self._test_parse_enclosed(span_token.Strong, '__')
def test_parse_in_emphasis(self):
self._test_parse_enclosed(span_token.Emphasis, '*')
self._test_parse_enclosed(span_token.Emphasis, '_')
def test_parse_in_strikethrough(self):
self._test_parse_enclosed(span_token.Strikethrough, '~~')
def test_remove_space_if_present_on_both_sides(self):
self._test_parse(span_token.InlineCode, '``` ```', ' ')
self._test_parse(span_token.InlineCode, '` `` `', ' `` ')
def test_preserve_escapes(self):
self._test_parse(span_token.InlineCode, '`\\xa0b\\xa0`', '\\xa0b\\xa0')
self._test_parse(span_token.InlineCode, '``\\`\\[``', '\\`\\[')
class TestStrikethrough(TestBranchToken):
def test_parse(self):
self._test_parse(span_token.Strikethrough, '~~some text~~', 'some text')
def test_parse_multiple(self):
tokens = iter(span_token.tokenize_inner('~~one~~ ~~two~~'))
self._test_token(next(tokens), 'one')
self._test_token(next(tokens), 'two')
class TestLink(TestBranchToken):
def test_parse(self):
self._test_parse(span_token.Link, '[name 1](target1)', 'name 1',
target='target1', title='')
def test_parse_multi_links(self):
tokens = iter(span_token.tokenize_inner('[n1](t1) & [n2](t2)'))
self._test_token(next(tokens), 'n1', target='t1')
self._test_token(next(tokens), ' & ', children=False)
self._test_token(next(tokens), 'n2', target='t2')
def test_parse_children(self):
token = next(iter(span_token.tokenize_inner('[](target)')))
child = next(iter(token.children))
self._test_token(child, 'alt', src='src')
def test_parse_angle_bracketed_inline_link_with_space(self):
self._test_parse(span_token.Link, '[link](</my uri> \'a title\')',
'link', target='/my uri', title='a title')
class TestAutoLink(TestBranchToken):
def test_parse(self):
self._test_parse(span_token.AutoLink, '<ftp://foo.com>', 'ftp://foo.com', target='ftp://foo.com')
class TestImage(TestBranchToken):
def test_parse(self):
self._test_parse(span_token.Image, '', 'alt', src='link')
self._test_parse(span_token.Image, '', 'alt',
src='link', title='title')
def test_no_alternative_text(self):
self._test_parse(span_token.Image, '', '', children=False, src='link')
class TestEscapeSequence(TestBranchToken):
def test_parse(self):
self._test_parse(span_token.EscapeSequence, r'\*', '*')
def test_parse_in_text(self):
tokens = iter(span_token.tokenize_inner(r'some \*text*'))
self._test_token(next(tokens), 'some ', children=False)
self._test_token(next(tokens), '*')
self._test_token(next(tokens), 'text*', children=False)
class TestRawText(unittest.TestCase):
def test_attribute(self):
token = span_token.RawText('some text')
self.assertEqual(token.content, 'some text')
def test_no_children(self):
token = span_token.RawText('some text')
self.assertIsNone(token.children)
def test_valid_html_entities(self):
tokens = span_token.tokenize_inner(' 合')
self.assertEqual(tokens[0].content, '\xa0 \u5408')
def test_invalid_html_entities(self):
text = '  &x; &#; &#x; � &#abcdef0; &ThisIsNotDefined; &hi?;'
tokens = span_token.tokenize_inner(text)
self.assertEqual(tokens[0].content, text)
class TestLineBreak(unittest.TestCase):
def test_parse_soft_break(self):
token, = span_token.tokenize_inner('\n')
self.assertIsInstance(token, span_token.LineBreak)
self.assertTrue(token.soft)
def test_parse_hard_break_with_double_blanks(self):
token, = span_token.tokenize_inner(' \n')
self.assertIsInstance(token, span_token.LineBreak)
self.assertFalse(token.soft)
def test_parse_hard_break_with_backslash(self):
_, token, = span_token.tokenize_inner(' \\\n')
self.assertIsInstance(token, span_token.LineBreak)
self.assertFalse(token.soft)
class TestContains(unittest.TestCase):
def test_contains(self):
token = next(iter(span_token.tokenize_inner('**with some *emphasis* text**')))
self.assertTrue('text' in token)
self.assertTrue('emphasis' in token)
self.assertFalse('foo' in token)
class TestParent(unittest.TestCase):
def test_parent(self):
token, = span_token.tokenize_inner('**some text**')
self.assertIsInstance(token.children[0], span_token.RawText)
self.assertEqual(token.children[0].parent, token)
class TestHtmlSpan(unittest.TestCase):
def setUp(self):
span_token.add_token(span_token.HtmlSpan)
self.addCleanup(span_token.reset_tokens)
def test_parse(self):
tokens = span_token.tokenize_inner('<a>')
self.assertIsInstance(tokens[0], span_token.HtmlSpan)
self.assertEqual('<a>', tokens[0].content)
def test_parse_with_illegal_whitespace(self):
tokens = span_token.tokenize_inner('< a><\nfoo><bar/ >\n<foo bar=baz\nbim!bop />')
for t in tokens:
self.assertNotIsInstance(t, span_token.HtmlSpan)
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