# -*- 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 sys.version_info[:2] >= (3, 8):
expected = (
" File "
+ green('""')
+ ", line "
+ bold(magenta("1"))
+ "\n 1.1.1.1\n ^\n"
+ bold(red("SyntaxError"))
+ ": "
+ cyan("invalid syntax")
+ "\n"
)
elif 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 and not py3:
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(""))
self.assertEqual(i.locals["a"], "\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("[1 + 1,\nabcd]", encode=encode)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource("[1 + 1,\nabcd]", encode=encode)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource("#encoding: utf-8\nabcd", encode=encode)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(
"#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("1 + 1", encode=True)
i, _ = self.interp_errlog()
with self.assertRaises(ValueError):
i.runsource("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]"""
% ("".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]"""
% ("".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]"""
% ("".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]"""
% ("".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]"""
% ("".encode("utf8"),)
)
)
self.assertEqual(self.err_lineno(a), 4)
i, a = self.interp_errlog()
i.runsource(
dedent(
b"""\
#encoding: utf-8
[u"%s",
abcd]"""
% ("".encode("utf8"),)
)
)
self.assertEqual(self.err_lineno(a), 4)