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jedi/test/test_parser/test_tokenize.py

103 lines
3.6 KiB
Python

# -*- coding: utf-8 # This file contains Unicode characters.
from io import StringIO
from textwrap import dedent
from jedi._compatibility import u, is_py3
from jedi.parser.token import NAME, OP, NEWLINE, STRING, INDENT
from jedi import parser
from ..helpers import unittest
class TokenTest(unittest.TestCase):
def test_end_pos_one_line(self):
parsed = parser.Parser(parser.load_grammar(), dedent(u('''
def testit():
a = "huhu"
''')))
tok = parsed.module.subscopes[0].statements[0].children[2]
assert tok.end_pos == (3, 14)
def test_end_pos_multi_line(self):
parsed = parser.Parser(parser.load_grammar(), dedent(u('''
def testit():
a = """huhu
asdfasdf""" + "h"
''')))
tok = parsed.module.subscopes[0].statements[0].children[2].children[0]
assert tok.end_pos == (4, 11)
def test_simple_no_whitespace(self):
# Test a simple one line string, no preceding whitespace
simple_docstring = u('"""simple one line docstring"""')
simple_docstring_io = StringIO(simple_docstring)
tokens = parser.tokenize.generate_tokens(simple_docstring_io.readline)
token_list = list(tokens)
_, value, _, prefix = token_list[0]
assert prefix == ''
assert value == '"""simple one line docstring"""'
def test_simple_with_whitespace(self):
# Test a simple one line string with preceding whitespace and newline
simple_docstring = u(' """simple one line docstring""" \r\n')
simple_docstring_io = StringIO(simple_docstring)
tokens = parser.tokenize.generate_tokens(simple_docstring_io.readline)
token_list = list(tokens)
assert token_list[0][0] == INDENT
typ, value, start_pos, prefix = token_list[1]
assert prefix == ' '
assert value == '"""simple one line docstring"""'
assert typ == STRING
typ, value, start_pos, prefix = token_list[2]
assert prefix == ' '
assert typ == NEWLINE
def test_function_whitespace(self):
# Test function definition whitespace identification
fundef = dedent(u('''
def test_whitespace(*args, **kwargs):
x = 1
if x > 0:
print(True)
'''))
fundef_io = StringIO(fundef)
tokens = parser.tokenize.generate_tokens(fundef_io.readline)
token_list = list(tokens)
for _, value, _, prefix in token_list:
if value == 'test_whitespace':
assert prefix == ' '
if value == '(':
assert prefix == ''
if value == '*':
assert prefix == ''
if value == '**':
assert prefix == ' '
if value == 'print':
assert prefix == ' '
if value == 'if':
assert prefix == ' '
def test_identifier_contains_unicode(self):
fundef = dedent(u('''
def 我あφ():
pass
'''))
fundef_io = StringIO(fundef)
tokens = parser.tokenize.generate_tokens(fundef_io.readline)
token_list = list(tokens)
unicode_token = token_list[1]
if is_py3:
assert unicode_token[0] == NAME
else:
# Unicode tokens in Python 2 seem to be identified as operators.
# They will be ignored in the parser, that's ok.
assert unicode_token[0] == OP
def test_tokenizer_with_string_literal_backslash():
import jedi
c = jedi.Script("statement = u'foo\\\n'; statement").goto_definitions()
assert c[0]._name.parent.obj == 'foo'