214 lines
7.9 KiB
Python
214 lines
7.9 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Test suite for the util module
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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import unittest
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from pygments import util, console
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class FakeLexer(object):
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def analyse(text):
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return text
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analyse = util.make_analysator(analyse)
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class UtilTest(unittest.TestCase):
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def test_getoptions(self):
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raises = self.assertRaises
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equals = self.assertEqual
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equals(util.get_bool_opt({}, 'a', True), True)
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equals(util.get_bool_opt({}, 'a', 1), True)
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equals(util.get_bool_opt({}, 'a', 'true'), True)
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equals(util.get_bool_opt({}, 'a', 'no'), False)
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raises(util.OptionError, util.get_bool_opt, {}, 'a', [])
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raises(util.OptionError, util.get_bool_opt, {}, 'a', 'foo')
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equals(util.get_int_opt({}, 'a', 1), 1)
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raises(util.OptionError, util.get_int_opt, {}, 'a', [])
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raises(util.OptionError, util.get_int_opt, {}, 'a', 'bar')
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equals(util.get_list_opt({}, 'a', [1]), [1])
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equals(util.get_list_opt({}, 'a', '1 2'), ['1', '2'])
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raises(util.OptionError, util.get_list_opt, {}, 'a', 1)
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equals(util.get_choice_opt({}, 'a', ['foo', 'bar'], 'bar'), 'bar')
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equals(util.get_choice_opt({}, 'a', ['foo', 'bar'], 'Bar', True), 'bar')
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raises(util.OptionError, util.get_choice_opt, {}, 'a',
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['foo', 'bar'], 'baz')
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def test_docstring_headline(self):
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def f1():
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"""
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docstring headline
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other text
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"""
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def f2():
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"""
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docstring
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headline
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other text
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"""
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def f3():
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pass
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self.assertEqual(util.docstring_headline(f1), 'docstring headline')
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self.assertEqual(util.docstring_headline(f2), 'docstring headline')
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self.assertEqual(util.docstring_headline(f3), '')
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def test_analysator_returns_float(self):
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# If an analysator wrapped by make_analysator returns a floating point
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# number, then that number will be returned by the wrapper.
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self.assertEqual(FakeLexer.analyse('0.5'), 0.5)
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def test_analysator_returns_boolean(self):
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# If an analysator wrapped by make_analysator returns a boolean value,
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# then the wrapper will return 1.0 if the boolean was True or 0.0 if
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# it was False.
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self.assertEqual(FakeLexer.analyse(True), 1.0)
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self.assertEqual(FakeLexer.analyse(False), 0.0)
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def test_analysator_raises_exception(self):
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# If an analysator wrapped by make_analysator raises an exception,
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# then the wrapper will return 0.0.
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class ErrorLexer(object):
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def analyse(text):
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raise RuntimeError('something bad happened')
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analyse = util.make_analysator(analyse)
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self.assertEqual(ErrorLexer.analyse(''), 0.0)
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def test_analysator_value_error(self):
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# When converting the analysator's return value to a float a
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# ValueError may occur. If that happens 0.0 is returned instead.
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self.assertEqual(FakeLexer.analyse('bad input'), 0.0)
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def test_analysator_type_error(self):
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# When converting the analysator's return value to a float a
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# TypeError may occur. If that happens 0.0 is returned instead.
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self.assertEqual(FakeLexer.analyse('xxx'), 0.0)
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def test_shebang_matches(self):
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self.assertTrue(util.shebang_matches('#!/usr/bin/env python\n', r'python(2\.\d)?'))
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self.assertTrue(util.shebang_matches('#!/usr/bin/python2.4', r'python(2\.\d)?'))
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self.assertTrue(util.shebang_matches('#!/usr/bin/startsomethingwith python',
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r'python(2\.\d)?'))
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self.assertTrue(util.shebang_matches('#!C:\\Python2.4\\Python.exe',
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r'python(2\.\d)?'))
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self.assertFalse(util.shebang_matches('#!/usr/bin/python-ruby',
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r'python(2\.\d)?'))
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self.assertFalse(util.shebang_matches('#!/usr/bin/python/ruby',
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r'python(2\.\d)?'))
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self.assertFalse(util.shebang_matches('#!', r'python'))
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def test_doctype_matches(self):
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self.assertTrue(util.doctype_matches(
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'<!DOCTYPE html> <html>', 'html.*'))
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self.assertFalse(util.doctype_matches(
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'<?xml ?> <DOCTYPE html PUBLIC "a"> <html>', 'html.*'))
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self.assertTrue(util.html_doctype_matches(
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'<?xml ?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN">'))
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def test_xml(self):
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self.assertTrue(util.looks_like_xml(
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'<?xml ?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN">'))
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self.assertTrue(util.looks_like_xml('<html xmlns>abc</html>'))
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self.assertFalse(util.looks_like_xml('<html>'))
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def test_unirange(self):
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first_non_bmp = u'\U00010000'
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r = re.compile(util.unirange(0x10000, 0x20000))
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m = r.match(first_non_bmp)
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self.assertTrue(m)
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self.assertEqual(m.end(), len(first_non_bmp))
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self.assertFalse(r.match(u'\uffff'))
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self.assertFalse(r.match(u'xxx'))
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# Tests that end is inclusive
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r = re.compile(util.unirange(0x10000, 0x10000) + '+')
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# Tests that the plus works for the entire unicode point, if narrow
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# build
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m = r.match(first_non_bmp * 2)
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self.assertTrue(m)
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self.assertEqual(m.end(), len(first_non_bmp) * 2)
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def test_format_lines(self):
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lst = ['cat', 'dog']
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output = util.format_lines('var', lst)
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d = {}
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exec(output, d)
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self.assertTrue(isinstance(d['var'], tuple))
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self.assertEqual(('cat', 'dog'), d['var'])
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def test_duplicates_removed_seq_types(self):
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# tuple
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x = util.duplicates_removed(('a', 'a', 'b'))
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self.assertEqual(['a', 'b'], x)
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# list
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x = util.duplicates_removed(['a', 'a', 'b'])
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self.assertEqual(['a', 'b'], x)
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# iterator
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x = util.duplicates_removed(iter(('a', 'a', 'b')))
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self.assertEqual(['a', 'b'], x)
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def test_duplicates_removed_nonconsecutive(self):
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# keeps first
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x = util.duplicates_removed(('a', 'b', 'a'))
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self.assertEqual(['a', 'b'], x)
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def test_guess_decode(self):
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# UTF-8 should be decoded as UTF-8
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s = util.guess_decode(u'\xff'.encode('utf-8'))
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self.assertEqual(s, (u'\xff', 'utf-8'))
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# otherwise, it could be latin1 or the locale encoding...
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import locale
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s = util.guess_decode(b'\xff')
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self.assertTrue(s[1] in ('latin1', locale.getpreferredencoding()))
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def test_guess_decode_from_terminal(self):
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class Term:
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encoding = 'utf-7'
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s = util.guess_decode_from_terminal(u'\xff'.encode('utf-7'), Term)
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self.assertEqual(s, (u'\xff', 'utf-7'))
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s = util.guess_decode_from_terminal(u'\xff'.encode('utf-8'), Term)
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self.assertEqual(s, (u'\xff', 'utf-8'))
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def test_add_metaclass(self):
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class Meta(type):
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pass
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@util.add_metaclass(Meta)
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class Cls:
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pass
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self.assertEqual(type(Cls), Meta)
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class ConsoleTest(unittest.TestCase):
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def test_ansiformat(self):
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f = console.ansiformat
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c = console.codes
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all_attrs = f('+*_blue_*+', 'text')
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self.assertTrue(c['blue'] in all_attrs and c['blink'] in all_attrs
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and c['bold'] in all_attrs and c['underline'] in all_attrs
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and c['reset'] in all_attrs)
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self.assertRaises(KeyError, f, '*mauve*', 'text')
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def test_functions(self):
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self.assertEqual(console.reset_color(), console.codes['reset'])
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self.assertEqual(console.colorize('blue', 'text'),
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console.codes['blue'] + 'text' + console.codes['reset'])
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