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Copy pathtest_interpreter.py
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116 lines (86 loc) · 3.75 KB
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# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import sys
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
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 g()\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")
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.assertEquals(inspected_source, source)