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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 11:33:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 11:33:32 +0000
commit1f403ad2197fc7442409f434ee574f3e6b46fb73 (patch)
tree0299c6dd11d5edfa918a29b6456bc1875f1d288c /tests/test_util.py
parentInitial commit. (diff)
downloadpygments-1f403ad2197fc7442409f434ee574f3e6b46fb73.tar.xz
pygments-1f403ad2197fc7442409f434ee574f3e6b46fb73.zip
Adding upstream version 2.14.0+dfsg.upstream/2.14.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+"""
+ Test suite for the util module
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
+ :license: BSD, see LICENSE for details.
+"""
+
+from pytest import raises
+
+from pygments import util, console
+
+
+class FakeLexer:
+ def analyse(text):
+ return text
+ analyse = util.make_analysator(analyse)
+
+
+def test_getoptions():
+ assert util.get_bool_opt({}, 'a', True) is True
+ assert util.get_bool_opt({}, 'a', 1) is True
+ assert util.get_bool_opt({}, 'a', 'true') is True
+ assert util.get_bool_opt({}, 'a', 'no') is False
+ assert raises(util.OptionError, util.get_bool_opt, {}, 'a', [])
+ assert raises(util.OptionError, util.get_bool_opt, {}, 'a', 'foo')
+
+ assert util.get_int_opt({}, 'a', 1) == 1
+ assert raises(util.OptionError, util.get_int_opt, {}, 'a', [])
+ assert raises(util.OptionError, util.get_int_opt, {}, 'a', 'bar')
+
+ assert util.get_list_opt({}, 'a', [1]) == [1]
+ assert util.get_list_opt({}, 'a', '1 2') == ['1', '2']
+ assert raises(util.OptionError, util.get_list_opt, {}, 'a', 1)
+
+ assert util.get_choice_opt({}, 'a', ['foo', 'bar'], 'bar') == 'bar'
+ assert util.get_choice_opt({}, 'a', ['foo', 'bar'], 'Bar', True) == 'bar'
+ assert raises(util.OptionError, util.get_choice_opt, {}, 'a',
+ ['foo', 'bar'], 'baz')
+
+
+def test_docstring_headline():
+ def f1():
+ """
+ docstring headline
+
+ other text
+ """
+ def f2():
+ """
+ docstring
+ headline
+
+ other text
+ """
+ def f3():
+ pass
+
+ assert util.docstring_headline(f1) == 'docstring headline'
+ assert util.docstring_headline(f2) == 'docstring headline'
+ assert util.docstring_headline(f3) == ''
+
+
+def test_analysator_returns_float():
+ # If an analysator wrapped by make_analysator returns a floating point
+ # number, then that number will be returned by the wrapper.
+ assert FakeLexer.analyse('0.5') == 0.5
+
+
+def test_analysator_returns_boolean():
+ # If an analysator wrapped by make_analysator returns a boolean value,
+ # then the wrapper will return 1.0 if the boolean was True or 0.0 if
+ # it was False.
+ assert FakeLexer.analyse(True) == 1.0
+ assert FakeLexer.analyse(False) == 0.0
+
+
+def test_analysator_raises_exception():
+ # If an analysator wrapped by make_analysator raises an exception,
+ # then the wrapper will return 0.0.
+ class ErrorLexer:
+ def analyse(text):
+ raise RuntimeError('something bad happened')
+ analyse = util.make_analysator(analyse)
+ assert ErrorLexer.analyse('') == 0.0
+
+
+def test_analysator_value_error():
+ # When converting the analysator's return value to a float a
+ # ValueError may occur. If that happens 0.0 is returned instead.
+ assert FakeLexer.analyse('bad input') == 0.0
+
+
+def test_analysator_type_error():
+ # When converting the analysator's return value to a float a
+ # TypeError may occur. If that happens 0.0 is returned instead.
+ assert FakeLexer.analyse('xxx') == 0.0
+
+
+def test_shebang_matches():
+ assert util.shebang_matches('#!/usr/bin/env python\n', r'python(2\.\d)?')
+ assert util.shebang_matches('#!/usr/bin/python2.4', r'python(2\.\d)?')
+ assert util.shebang_matches('#!/usr/bin/startsomethingwith python',
+ r'python(2\.\d)?')
+ assert util.shebang_matches('#!C:\\Python2.4\\Python.exe', r'python(2\.\d)?')
+
+ assert not util.shebang_matches('#!/usr/bin/python-ruby', r'python(2\.\d)?')
+ assert not util.shebang_matches('#!/usr/bin/python/ruby', r'python(2\.\d)?')
+ assert not util.shebang_matches('#!', r'python')
+
+
+def test_doctype_matches():
+ assert util.doctype_matches('<!DOCTYPE html> <html>', 'html.*')
+ assert not util.doctype_matches(
+ '<?xml ?> <DOCTYPE html PUBLIC "a"> <html>', 'html.*')
+ assert util.html_doctype_matches(
+ '<?xml ?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN">')
+
+
+def test_xml():
+ assert util.looks_like_xml(
+ '<?xml ?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN">')
+ assert util.looks_like_xml('<html xmlns>abc</html>')
+ assert not util.looks_like_xml('<html>')
+
+
+def test_format_lines():
+ lst = ['cat', 'dog']
+ output = util.format_lines('var', lst)
+ d = {}
+ exec(output, d)
+ assert isinstance(d['var'], tuple)
+ assert ('cat', 'dog') == d['var']
+
+
+def test_duplicates_removed_seq_types():
+ # tuple
+ x = util.duplicates_removed(('a', 'a', 'b'))
+ assert ['a', 'b'] == x
+ # list
+ x = util.duplicates_removed(['a', 'a', 'b'])
+ assert ['a', 'b'] == x
+ # iterator
+ x = util.duplicates_removed(iter(('a', 'a', 'b')))
+ assert ['a', 'b'] == x
+
+
+def test_duplicates_removed_nonconsecutive():
+ # keeps first
+ x = util.duplicates_removed(('a', 'b', 'a'))
+ assert ['a', 'b'] == x
+
+
+def test_guess_decode():
+ # UTF-8 should be decoded as UTF-8
+ s = util.guess_decode('\xff'.encode())
+ assert s == ('\xff', 'utf-8')
+
+ # otherwise, it could be latin1 or the locale encoding...
+ import locale
+ s = util.guess_decode(b'\xff')
+ assert s[1] in ('latin1', locale.getpreferredencoding())
+
+
+def test_guess_decode_from_terminal():
+ class Term:
+ encoding = 'utf-7'
+
+ s = util.guess_decode_from_terminal('\xff'.encode('utf-7'), Term)
+ assert s == ('\xff', 'utf-7')
+
+ s = util.guess_decode_from_terminal('\xff'.encode(), Term)
+ assert s == ('\xff', 'utf-8')
+
+
+def test_console_ansiformat():
+ f = console.ansiformat
+ c = console.codes
+ all_attrs = f('+*_blue_*+', 'text')
+ assert c['blue'] in all_attrs and c['blink'] in all_attrs
+ assert c['bold'] in all_attrs and c['underline'] in all_attrs
+ assert c['reset'] in all_attrs
+ assert raises(KeyError, f, '*mauve*', 'text')
+
+
+def test_console_functions():
+ assert console.reset_color() == console.codes['reset']
+ assert console.colorize('blue', 'text') == \
+ console.codes['blue'] + 'text' + console.codes['reset']