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# -*- coding: utf-8 -*-

from __future__ import unicode_literals

import sys

try:

import unittest2 as unittest

except ImportError:

import unittest

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

pypy = 'PyPy' in sys.version

class TestInterpreter(unittest.TestCase):

def test_syntaxerror(self):

i = interpreter.Interp()

a = []

def append_to_a(message):

a.append(message)

i.write = append_to_a

i.runsource('1.1.1.1')

if pypy:

expected = ' File ' + green('"<input>"') + ', line ' + \

bold(magenta('1')) + '\n 1.1.1.1\n ^\n' + \

bold(red('SyntaxError')) + ': ' + cyan('invalid syntax') + '\n'

else:

expected = ' File ' + green('"<input>"') + ', 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.assertEquals(plain('').join(a), expected)

def test_traceback(self):

i = interpreter.Interp()

a = []

def append_to_a(message):

a.append(message)

i.write = append_to_a

def f():

return 1/0

def g():

return f()

i.runsource('g()')

if pypy:

global_not_found = "global name 'g' is not defined"

else:

global_not_found = "name 'g' is not defined"

expected = 'Traceback (most recent call last):\n File ' + \

green('"<input>"') + ', line ' + bold(magenta('1')) + ', in ' + \

cyan('<module>') + '\n' + bold(red('NameError')) + ': ' + \

cyan(global_not_found) + '\n'

self.assertMultiLineEqual(str(plain('').join(a)), str(expected))

self.assertEquals(plain('').join(a), expected)

@unittest.skipIf(py3, "runsource() accepts only unicode in Python 3")

def test_runsource_bytes(self):

i = interpreter.Interp(encoding='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='latin-1')

i.showsyntaxerror = mock.Mock(return_value=None)

i.runsource("a = b'\xfe'", encode=True)

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='latin-1')

i.runsource("a = b'\xfe'", encode=True)

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='latin-1')

i.runsource("a = u'\xfe'", encode=True)

self.assertIsInstance(i.locals['a'], type(u''))

self.assertEqual(i.locals['a'], u"\xfe")