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Sebastian Kinne
310
PortalAuth/includes/scripts/libs/tinycss/tests/test_tokenizer.py
Executable file
310
PortalAuth/includes/scripts/libs/tinycss/tests/test_tokenizer.py
Executable file
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# coding: utf8
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"""
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Tests for the tokenizer
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-----------------------
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:copyright: (c) 2012 by Simon Sapin.
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:license: BSD, see LICENSE for more details.
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"""
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from __future__ import unicode_literals
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import sys
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import os
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import pytest
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from tinycss.tokenizer import (
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python_tokenize_flat, cython_tokenize_flat, regroup)
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def test_speedups():
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if os.environ.get('TINYCSS_SKIP_SPEEDUPS_TESTS'): # pragma: no cover
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return
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assert cython_tokenize_flat is not None, (
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'Cython speedups are not installed, related tests will '
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'be skipped. Set the TINYCSS_SKIP_SPEEDUPS_TESTS environment '
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'variable if this is expected (eg. on PyPy).')
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@pytest.mark.parametrize(('tokenize', 'css_source', 'expected_tokens'), [
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(tokenize,) + test_data
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for tokenize in (python_tokenize_flat, cython_tokenize_flat)
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for test_data in [
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('', []),
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('red -->',
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[('IDENT', 'red'), ('S', ' '), ('CDC', '-->')]),
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# Longest match rule: no CDC
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('red-->',
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[('IDENT', 'red--'), ('DELIM', '>')]),
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(r'''p[example="\
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foo(int x) {\
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this.x = x;\
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}\
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"]''', [
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('IDENT', 'p'),
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('[', '['),
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('IDENT', 'example'),
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('DELIM', '='),
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('STRING', 'foo(int x) { this.x = x;}'),
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(']', ']')]),
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#### Numbers are parsed
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('42 .5 -4pX 1.25em 30%',
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[('INTEGER', 42), ('S', ' '),
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('NUMBER', .5), ('S', ' '),
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# units are normalized to lower-case:
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('DIMENSION', -4, 'px'), ('S', ' '),
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('DIMENSION', 1.25, 'em'), ('S', ' '),
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('PERCENTAGE', 30, '%')]),
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#### URLs are extracted
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('url(foo.png)', [('URI', 'foo.png')]),
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('url("foo.png")', [('URI', 'foo.png')]),
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#### Escaping
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(r'/* Comment with a \ backslash */',
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[('COMMENT', '/* Comment with a \ backslash */')]), # Unchanged
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# backslash followed by a newline in a string: ignored
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('"Lorem\\\nIpsum"', [('STRING', 'LoremIpsum')]),
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# backslash followed by a newline outside a string: stands for itself
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('Lorem\\\nIpsum', [
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('IDENT', 'Lorem'), ('DELIM', '\\'),
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('S', '\n'), ('IDENT', 'Ipsum')]),
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# Cancel the meaning of special characters
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(r'"Lore\m Ipsum"', [('STRING', 'Lorem Ipsum')]), # or not specal
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(r'"Lorem \49psum"', [('STRING', 'Lorem Ipsum')]),
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(r'"Lorem \49 psum"', [('STRING', 'Lorem Ipsum')]),
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(r'"Lorem\"Ipsum"', [('STRING', 'Lorem"Ipsum')]),
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(r'"Lorem\\Ipsum"', [('STRING', r'Lorem\Ipsum')]),
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(r'"Lorem\5c Ipsum"', [('STRING', r'Lorem\Ipsum')]),
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(r'Lorem\+Ipsum', [('IDENT', 'Lorem+Ipsum')]),
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(r'Lorem+Ipsum', [('IDENT', 'Lorem'), ('DELIM', '+'), ('IDENT', 'Ipsum')]),
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(r'url(foo\).png)', [('URI', 'foo).png')]),
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# Unicode and backslash escaping
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('\\26 B', [('IDENT', '&B')]),
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('\\&B', [('IDENT', '&B')]),
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('@\\26\tB', [('ATKEYWORD', '@&B')]),
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('@\\&B', [('ATKEYWORD', '@&B')]),
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('#\\26\nB', [('HASH', '#&B')]),
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('#\\&B', [('HASH', '#&B')]),
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('\\26\r\nB(', [('FUNCTION', '&B(')]),
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('\\&B(', [('FUNCTION', '&B(')]),
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(r'12.5\000026B', [('DIMENSION', 12.5, '&b')]),
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(r'12.5\0000263B', [('DIMENSION', 12.5, '&3b')]), # max 6 digits
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(r'12.5\&B', [('DIMENSION', 12.5, '&b')]),
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(r'"\26 B"', [('STRING', '&B')]),
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(r"'\000026B'", [('STRING', '&B')]),
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(r'"\&B"', [('STRING', '&B')]),
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(r'url("\26 B")', [('URI', '&B')]),
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(r'url(\26 B)', [('URI', '&B')]),
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(r'url("\&B")', [('URI', '&B')]),
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(r'url(\&B)', [('URI', '&B')]),
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(r'Lorem\110000Ipsum', [('IDENT', 'Lorem\uFFFDIpsum')]),
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#### Bad strings
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# String ends at EOF without closing: no error, parsed
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('"Lorem\\26Ipsum', [('STRING', 'Lorem&Ipsum')]),
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# Unescaped newline: ends the string, error, unparsed
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('"Lorem\\26Ipsum\n', [
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('BAD_STRING', r'"Lorem\26Ipsum'), ('S', '\n')]),
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# Tokenization restarts after the newline, so the second " starts
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# a new string (which ends at EOF without errors, as above.)
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('"Lorem\\26Ipsum\ndolor" sit', [
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('BAD_STRING', r'"Lorem\26Ipsum'), ('S', '\n'),
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('IDENT', 'dolor'), ('STRING', ' sit')]),
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]])
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def test_tokens(tokenize, css_source, expected_tokens):
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if tokenize is None: # pragma: no cover
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pytest.skip('Speedups not available')
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sources = [css_source]
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if sys.version_info[0] < 3:
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# On Python 2.x, ASCII-only bytestrings can be used
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# where Unicode is expected.
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sources.append(css_source.encode('ascii'))
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for css_source in sources:
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tokens = tokenize(css_source, ignore_comments=False)
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result = [
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(token.type, token.value) + (
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() if token.unit is None else (token.unit,))
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for token in tokens
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]
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assert result == expected_tokens
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@pytest.mark.parametrize('tokenize', [
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python_tokenize_flat, cython_tokenize_flat])
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def test_positions(tokenize):
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"""Test the reported line/column position of each token."""
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if tokenize is None: # pragma: no cover
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pytest.skip('Speedups not available')
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css = '/* Lorem\nipsum */\fa {\n color: red;\tcontent: "dolor\\\fsit" }'
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tokens = tokenize(css, ignore_comments=False)
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result = [(token.type, token.line, token.column) for token in tokens]
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assert result == [
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('COMMENT', 1, 1), ('S', 2, 9),
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('IDENT', 3, 1), ('S', 3, 2), ('{', 3, 3),
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('S', 3, 4), ('IDENT', 4, 5), (':', 4, 10),
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('S', 4, 11), ('IDENT', 4, 12), (';', 4, 15), ('S', 4, 16),
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('IDENT', 4, 17), (':', 4, 24), ('S', 4, 25), ('STRING', 4, 26),
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('S', 5, 5), ('}', 5, 6)]
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@pytest.mark.parametrize(('tokenize', 'css_source', 'expected_tokens'), [
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(tokenize,) + test_data
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for tokenize in (python_tokenize_flat, cython_tokenize_flat)
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for test_data in [
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('', []),
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(r'Lorem\26 "i\psum"4px', [
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('IDENT', 'Lorem&'), ('STRING', 'ipsum'), ('DIMENSION', 4)]),
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('not([[lorem]]{ipsum (42)})', [
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('FUNCTION', 'not', [
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('[', [
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('[', [
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('IDENT', 'lorem'),
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]),
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]),
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('{', [
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('IDENT', 'ipsum'),
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('S', ' '),
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('(', [
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('INTEGER', 42),
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])
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])
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])]),
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# Close everything at EOF, no error
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('a[b{"d', [
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('IDENT', 'a'),
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('[', [
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('IDENT', 'b'),
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('{', [
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('STRING', 'd'),
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]),
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]),
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]),
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# Any remaining ), ] or } token is a nesting error
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('a[b{d]e}', [
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('IDENT', 'a'),
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('[', [
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('IDENT', 'b'),
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('{', [
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('IDENT', 'd'),
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(']', ']'), # The error is visible here
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('IDENT', 'e'),
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]),
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]),
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]),
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# ref:
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('a[b{d}e]', [
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('IDENT', 'a'),
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('[', [
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('IDENT', 'b'),
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('{', [
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('IDENT', 'd'),
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]),
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('IDENT', 'e'),
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]),
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]),
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]])
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def test_token_grouping(tokenize, css_source, expected_tokens):
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if tokenize is None: # pragma: no cover
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pytest.skip('Speedups not available')
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tokens = regroup(tokenize(css_source, ignore_comments=False))
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result = list(jsonify(tokens))
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assert result == expected_tokens
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def jsonify(tokens):
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"""Turn tokens into "JSON-compatible" data structures."""
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for token in tokens:
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if token.type == 'FUNCTION':
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yield (token.type, token.function_name,
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list(jsonify(token.content)))
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elif token.is_container:
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yield token.type, list(jsonify(token.content))
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else:
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yield token.type, token.value
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@pytest.mark.parametrize(('tokenize', 'ignore_comments', 'expected_tokens'), [
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(tokenize,) + test_data
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for tokenize in (python_tokenize_flat, cython_tokenize_flat)
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for test_data in [
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(False, [
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('COMMENT', '/* lorem */'),
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('S', ' '),
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('IDENT', 'ipsum'),
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('[', [
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('IDENT', 'dolor'),
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('COMMENT', '/* sit */'),
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]),
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('BAD_COMMENT', '/* amet')
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]),
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(True, [
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('S', ' '),
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('IDENT', 'ipsum'),
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('[', [
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('IDENT', 'dolor'),
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]),
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]),
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]])
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def test_comments(tokenize, ignore_comments, expected_tokens):
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if tokenize is None: # pragma: no cover
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pytest.skip('Speedups not available')
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css_source = '/* lorem */ ipsum[dolor/* sit */]/* amet'
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tokens = regroup(tokenize(css_source, ignore_comments))
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result = list(jsonify(tokens))
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assert result == expected_tokens
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@pytest.mark.parametrize(('tokenize', 'css_source'), [
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(tokenize, test_data)
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for tokenize in (python_tokenize_flat, cython_tokenize_flat)
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for test_data in [
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r'''p[example="\
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foo(int x) {\
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this.x = x;\
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}\
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"]''',
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'"Lorem\\26Ipsum\ndolor" sit',
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'/* Lorem\nipsum */\fa {\n color: red;\tcontent: "dolor\\\fsit" }',
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'not([[lorem]]{ipsum (42)})',
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'a[b{d]e}',
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'a[b{"d',
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]])
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def test_token_serialize_css(tokenize, css_source):
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if tokenize is None: # pragma: no cover
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pytest.skip('Speedups not available')
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for _regroup in [regroup, lambda x: x]:
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tokens = _regroup(tokenize(css_source, ignore_comments=False))
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result = ''.join(token.as_css() for token in tokens)
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assert result == css_source
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@pytest.mark.parametrize(('tokenize', 'css_source'), [
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(tokenize, test_data)
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for tokenize in (python_tokenize_flat, cython_tokenize_flat)
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for test_data in [
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'(8, foo, [z])', '[8, foo, (z)]', '{8, foo, [z]}', 'func(8, foo, [z])'
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]
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])
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def test_token_api(tokenize, css_source):
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if tokenize is None: # pragma: no cover
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pytest.skip('Speedups not available')
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tokens = list(regroup(tokenize(css_source)))
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assert len(tokens) == 1
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token = tokens[0]
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expected_len = 7 # 2 spaces, 2 commas, 3 others.
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assert len(token.content) == expected_len
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