# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import sys
import re
from textwrap import dedent
from curtsies.fmtfuncs import bold, green, magenta, cyan, red, plain
from bpython.curtsiesfrontend import interpreter
from bpython._py3compat import py3
from bpython.test import mock, unittest
pypy = 'PyPy' in sys.version
def remove_ansi(s):
return re.sub(r'(\x9B|\x1B\[)[0-?]*[ -\/]*[@-~]'.encode('ascii'), b'', s)
class TestInterpreter(unittest.TestCase):
def interp_errlog(self):
i = interpreter.Interp()
a = []
i.write = a.append
return i, a
def err_lineno(self, a):
strings = [x.__unicode__() for x in a]
for line in reversed(strings):
clean_line = remove_ansi(line)
m = re.search(r'line (\d+)[,]', clean_line)
if m:
return int(m.group(1))
return None
def test_syntaxerror(self):
i, a = self.interp_errlog()
i.runsource('1.1.1.1')
if pypy:
expected = (
' File ' + green('""') +
', line ' + bold(magenta('1')) + '\n 1.1.1.1\n ^\n' +
bold(red('SyntaxError')) + ': ' + cyan('invalid syntax') +
'\n')
else:
expected = (
' File ' + green('""') +
', line ' + bold(magenta('1')) + '\n 1.1.1.1\n ^\n' +
bold(red('SyntaxError')) + ': ' + cyan('invalid syntax') +
'\n')
self.assertMultiLineEqual(str(plain('').join(a)), str(expected))
self.assertEqual(plain('').join(a), expected)
def test_traceback(self):
i, a = self.interp_errlog()
def f():
return 1 / 0
def gfunc():
return f()
i.runsource('gfunc()')
if pypy:
global_not_found = "global name 'gfunc' is not defined"
else:
global_not_found = "name 'gfunc' is not defined"
expected = (
'Traceback (most recent call last):\n File ' +
green('""') + ', line ' +
bold(magenta('1')) + ', in ' + cyan('') + '\n gfunc()\n' +
bold(red('NameError')) + ': ' + cyan(global_not_found) + '\n')
self.assertMultiLineEqual(str(plain('').join(a)), str(expected))
self.assertEqual(plain('').join(a), expected)
@unittest.skipIf(py3, "runsource() accepts only unicode in Python 3")
def test_runsource_bytes(self):
i = interpreter.Interp(encoding=b'latin-1')
i.runsource("a = b'\xfe'".encode('latin-1'), encode=False)
self.assertIsInstance(i.locals['a'], str)
self.assertEqual(i.locals['a'], b"\xfe")
i.runsource("b = u'\xfe'".encode('latin-1'), encode=False)
self.assertIsInstance(i.locals['b'], unicode)
self.assertEqual(i.locals['b'], "\xfe")
@unittest.skipUnless(py3, "Only a syntax error in Python 3")
def test_runsource_bytes_over_128_syntax_error_py3(self):
i = interpreter.Interp(encoding=b'latin-1')
i.showsyntaxerror = mock.Mock(return_value=None)
i.runsource("a = b'\xfe'")
i.showsyntaxerror.assert_called_with(mock.ANY)
@unittest.skipIf(py3, "encode is Python 2 only")
def test_runsource_bytes_over_128_syntax_error_py2(self):
i = interpreter.Interp(encoding=b'latin-1')
i.runsource(b"a = b'\xfe'")
self.assertIsInstance(i.locals['a'], type(b''))
self.assertEqual(i.locals['a'], b"\xfe")
@unittest.skipIf(py3, "encode is Python 2 only")
def test_runsource_unicode(self):
i = interpreter.Interp(encoding=b'latin-1')
i.runsource("a = u'\xfe'")
self.assertIsInstance(i.locals['a'], type(u''))
self.assertEqual(i.locals['a'], u"\xfe")
def test_getsource_works_on_interactively_defined_functions(self):
source = 'def foo(x):\n return x + 1\n'
i = interpreter.Interp()
i.runsource(source)
import inspect
inspected_source = inspect.getsource(i.locals['foo'])
self.assertEqual(inspected_source, source)
@unittest.skipIf(py3, "encode only does anything in Python 2")
def test_runsource_unicode_autoencode_and_noencode(self):
"""error line numbers should be fixed"""
# Since correct behavior for unicode is the same
# for auto and False, run the same tests
for encode in ['auto', False]:
i, a = self.interp_errlog()
i.runsource(u'[1 + 1,\nabcd]', encode=encode)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(u'[1 + 1,\nabcd]', encode=encode)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(u'#encoding: utf-8\nabcd', encode=encode)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(u'#encoding: utf-8\nabcd',
filename='x.py', encode=encode)
self.assertIn('SyntaxError:',
''.join(''.join(remove_ansi(x.__unicode__())
for x in a)))
@unittest.skipIf(py3, "encode only does anything in Python 2")
def test_runsource_unicode_encode(self):
i, _ = self.interp_errlog()
with self.assertRaises(ValueError):
i.runsource(u'1 + 1', encode=True)
i, _ = self.interp_errlog()
with self.assertRaises(ValueError):
i.runsource(u'1 + 1', filename='x.py', encode=True)
@unittest.skipIf(py3, "encode only does anything in Python 2")
def test_runsource_bytestring_noencode(self):
i, a = self.interp_errlog()
i.runsource(b'[1 + 1,\nabcd]', encode=False)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(b'[1 + 1,\nabcd]', filename='x.py', encode=False)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(dedent(b'''\
#encoding: utf-8
["%s",
abcd]''' % (u''.encode('utf8'),)), encode=False)
self.assertEqual(self.err_lineno(a), 4)
i, a = self.interp_errlog()
i.runsource(dedent(b'''\
#encoding: utf-8
["%s",
abcd]''' % (u''.encode('utf8'),)),
filename='x.py', encode=False)
self.assertEqual(self.err_lineno(a), 4)
@unittest.skipIf(py3, "encode only does anything in Python 2")
def test_runsource_bytestring_encode(self):
i, a = self.interp_errlog()
i.runsource(b'[1 + 1,\nabcd]', encode=True)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
with self.assertRaises(ValueError):
i.runsource(b'[1 + 1,\nabcd]', filename='x.py', encode=True)
i, a = self.interp_errlog()
i.runsource(dedent(b'''\
#encoding: utf-8
[u"%s",
abcd]''' % (u''.encode('utf8'),)), encode=True)
self.assertEqual(self.err_lineno(a), 4)
i, a = self.interp_errlog()
with self.assertRaises(ValueError):
i.runsource(dedent(b'''\
#encoding: utf-8
[u"%s",
abcd]''' % (u''.encode('utf8'),)),
filename='x.py',
encode=True)
@unittest.skipIf(py3, "encode only does anything in Python 2")
def test_runsource_bytestring_autoencode(self):
i, a = self.interp_errlog()
i.runsource(b'[1 + 1,\n abcd]')
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(b'[1 + 1,\nabcd]', filename='x.py')
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(dedent(b'''\
#encoding: utf-8
[u"%s",
abcd]''' % (u''.encode('utf8'),)))
self.assertEqual(self.err_lineno(a), 4)
i, a = self.interp_errlog()
i.runsource(dedent(b'''\
#encoding: utf-8
[u"%s",
abcd]''' % (u''.encode('utf8'),)))
self.assertEqual(self.err_lineno(a), 4)