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test_interpreter.py
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123 lines (91 loc) · 4.05 KB
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# -*- coding: utf-8 -*-
from __future__importunicode_literals
importlinecache
importsys
fromcurtsies.fmtfuncsimportbold,green,magenta,cyan,red,plain
frombpython.curtsiesfrontendimportinterpreter
frombpython._py3compatimportpy3
frombpython.testimportmock,unittest
pypy='PyPy'insys.version
def_last_console_filename():
"""Returns the last 'filename' used for console input
(as will be displayed in a traceback)."""
return'<bpython-input-%s>'% (len(linecache.cache.bpython_history)-1)
classTestInterpreter(unittest.TestCase):
deftest_syntaxerror(self):
i=interpreter.Interp()
a= []
defappend_to_a(message):
a.append(message)
i.write=append_to_a
i.runsource('1.1.1.1')
ifpypy:
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)
deftest_traceback(self):
i=interpreter.Interp()
a= []
defappend_to_a(message):
a.append(message)
i.write=append_to_a
deff():
return1/0
defg():
returnf()
i.runsource('g()',encode=False)
ifpypy:
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('<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")
deftest_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")
deftest_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")
deftest_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")
deftest_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")
deftest_getsource_works_on_interactively_defined_functions(self):
source='def foo(x):\n return x + 1\n'
i=interpreter.Interp()
i.runsource(source)
importinspect
inspected_source=inspect.getsource(i.locals['foo'])
self.assertEquals(inspected_source,source)