136 lines
5.2 KiB
Python
136 lines
5.2 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 2006-2013 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
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class FakeLexer(object):
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def analyse(text):
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return float(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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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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self.assertEqual(util.docstring_headline(f1), "docstring headline")
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self.assertEqual(util.docstring_headline(f2), "docstring headline")
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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(None), 0.0)
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def test_shebang_matches(self):
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self.assertTrue(util.shebang_matches('#!/usr/bin/env python', 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 PUBLIC "a"> <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.assertEquals(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.assertEquals(m.end(), len(first_non_bmp) * 2)
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