| 1 | #!/usr/bin/env python2
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| 2 | from __future__ import print_function
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| 3 |
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| 4 | import unittest
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| 5 |
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| 6 | from lazylex import html # module under test log = html.log
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| 7 |
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| 8 | log = html.log
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| 9 |
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| 10 | with open('lazylex/testdata.html') as f:
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| 11 | TEST_HTML = f.read()
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| 12 |
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| 13 |
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| 14 | def _MakeTagLexer(s):
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| 15 | lex = html.TagLexer(s)
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| 16 | lex.Reset(0, len(s))
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| 17 | return lex
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| 18 |
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| 19 |
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| 20 | def _PrintTokens(lex):
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| 21 | log('')
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| 22 | log('tag = %r', lex.TagName())
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| 23 | for tok, start, end in lex.Tokens():
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| 24 | log('%s %r', tok, lex.s[start:end])
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| 25 |
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| 26 |
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| 27 | class HtmlTest(unittest.TestCase):
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| 28 |
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| 29 | def testTagLexer(self):
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| 30 | # Invalid!
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| 31 | #lex = _MakeTagLexer('< >')
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| 32 | #print(lex.Tag())
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| 33 |
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| 34 | lex = _MakeTagLexer('<a>')
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| 35 | _PrintTokens(lex)
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| 36 |
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| 37 | lex = _MakeTagLexer('<a novalue>')
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| 38 | _PrintTokens(lex)
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| 39 |
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| 40 | # Note: we could have a different HasAttr() method
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| 41 | # <a novalue> means lex.Get('novalue') == None
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| 42 | # https://developer.mozilla.org/en-US/docs/Web/API/Element/hasAttribute
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| 43 | self.assertEqual(None, lex.GetAttr('novalue'))
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| 44 |
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| 45 | lex = _MakeTagLexer('<a href="double quoted">')
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| 46 | _PrintTokens(lex)
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| 47 |
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| 48 | self.assertEqual('double quoted', lex.GetAttr('href'))
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| 49 | self.assertEqual(None, lex.GetAttr('oops'))
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| 50 |
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| 51 | lex = _MakeTagLexer('<a href=foo class="bar">')
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| 52 | _PrintTokens(lex)
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| 53 |
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| 54 | lex = _MakeTagLexer('<a href=foo class="bar" />')
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| 55 | _PrintTokens(lex)
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| 56 |
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| 57 | # IndexLinker in devtools/make_help.py
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| 58 | # <pre> sections in doc/html_help.py
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| 59 | # TocExtractor in devtools/cmark.py
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| 60 |
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| 61 | def testPstrip(self):
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| 62 | """Remove anything like this.
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| 63 |
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| 64 | <p><pstrip> </pstrip></p>
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| 65 | """
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| 66 | pass
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| 67 |
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| 68 | def testCommentParse(self):
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| 69 | """"""
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| 70 | n = len(TEST_HTML)
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| 71 | for tok_id, end_pos in html._Tokens(TEST_HTML, 0, n):
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| 72 | if tok_id == html.Invalid:
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| 73 | raise RuntimeError()
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| 74 | print(tok_id)
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| 75 |
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| 76 |
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| 77 | if __name__ == '__main__':
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| 78 | unittest.main()
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