# -*- coding: utf-8 -*- from __future__ import unicode_literals import linecache 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 def _last_console_filename(): """Returns the last 'filename' used for console input (as will be displayed in a traceback).""" return '' % (len(linecache.cache.bpython_history) - 1) 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('"%s"' % _last_console_filename()) + ', line ' + bold(magenta('1')) + '\n 1.1.1.1\n ^\n' + bold(red('SyntaxError')) + ': ' + cyan('invalid syntax') + '\n') else: expected = ( ' File ' + green('"%s"' % _last_console_filename()) + ', 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()', encode=False) 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('"%s"' % _last_console_filename()) + ', line ' + bold(magenta('1')) + ', in ' + cyan('') + '\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)