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# -*- coding: utf-8 -*-
"""
Python Tests
~~~~~~~~~~~~
:copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import unittest
from pygments.lexers import PythonLexer, Python3Lexer
from pygments.token import Token
class PythonTest(unittest.TestCase):
def setUp(self):
self.lexer = PythonLexer()
def test_cls_builtin(self):
"""
Tests that a cls token gets interpreted as a Token.Name.Builtin.Pseudo
"""
fragment = 'class TestClass():\n @classmethod\n def hello(cls):\n pass\n'
tokens = [
(Token.Keyword, 'class'),
(Token.Text, ' '),
(Token.Name.Class, 'TestClass'),
(Token.Punctuation, '('),
(Token.Punctuation, ')'),
(Token.Punctuation, ':'),
(Token.Text, '\n'),
(Token.Text, ' '),
(Token.Name.Decorator, '@classmethod'),
(Token.Text, '\n'),
(Token.Text, ' '),
(Token.Keyword, 'def'),
(Token.Text, ' '),
(Token.Name.Function, 'hello'),
(Token.Punctuation, '('),
(Token.Name.Builtin.Pseudo, 'cls'),
(Token.Punctuation, ')'),
(Token.Punctuation, ':'),
(Token.Text, '\n'),
(Token.Text, ' '),
(Token.Keyword, 'pass'),
(Token.Text, '\n'),
]
self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
class Python3Test(unittest.TestCase):
def setUp(self):
self.lexer = Python3Lexer()
def testNeedsName(self):
"""
Tests that '@' is recognized as an Operator
"""
fragment = u'S = (H @ beta - r).T @ inv(H @ V @ H.T) @ (H @ beta - r)\n'
tokens = [
(Token.Name, u'S'),
(Token.Text, u' '),
(Token.Operator, u'='),
(Token.Text, u' '),
(Token.Punctuation, u'('),
(Token.Name, u'H'),
(Token.Text, u' '),
(Token.Operator, u'@'),
(Token.Text, u' '),
(Token.Name, u'beta'),
(Token.Text, u' '),
(Token.Operator, u'-'),
(Token.Text, u' '),
(Token.Name, u'r'),
(Token.Punctuation, u')'),
(Token.Operator, u'.'),
(Token.Name, u'T'),
(Token.Text, u' '),
(Token.Operator, u'@'),
(Token.Text, u' '),
(Token.Name, u'inv'),
(Token.Punctuation, u'('),
(Token.Name, u'H'),
(Token.Text, u' '),
(Token.Operator, u'@'),
(Token.Text, u' '),
(Token.Name, u'V'),
(Token.Text, u' '),
(Token.Operator, u'@'),
(Token.Text, u' '),
(Token.Name, u'H'),
(Token.Operator, u'.'),
(Token.Name, u'T'),
(Token.Punctuation, u')'),
(Token.Text, u' '),
(Token.Operator, u'@'),
(Token.Text, u' '),
(Token.Punctuation, u'('),
(Token.Name, u'H'),
(Token.Text, u' '),
(Token.Operator, u'@'),
(Token.Text, u' '),
(Token.Name, u'beta'),
(Token.Text, u' '),
(Token.Operator, u'-'),
(Token.Text, u' '),
(Token.Name, u'r'),
(Token.Punctuation, u')'),
(Token.Text, u'\n'),
]
self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
def test_pep_515(self):
"""
Tests that the lexer can parse numeric literals with underscores
"""
fragments = (
(Token.Literal.Number.Integer, u'1_000_000'),
(Token.Literal.Number.Float, u'1_000.000_001'),
(Token.Literal.Number.Float, u'1_000e1_000j'),
(Token.Literal.Number.Hex, u'0xCAFE_F00D'),
(Token.Literal.Number.Bin, u'0b_0011_1111_0100_1110'),
(Token.Literal.Number.Oct, u'0o_777_123'),
)
for token, fragment in fragments:
tokens = [
(token, fragment),
(Token.Text, u'\n'),
]
self.assertEqual(tokens, list(self.lexer.get_tokens(fragment)))
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