mirror of
https://github.com/python/cpython.git
synced 2024-11-24 10:24:35 +08:00
122 lines
4.2 KiB
Python
122 lines
4.2 KiB
Python
"Test InteractiveConsole and InteractiveInterpreter from code module"
|
|
import sys
|
|
import unittest
|
|
from textwrap import dedent
|
|
from contextlib import ExitStack
|
|
from unittest import mock
|
|
from test import support
|
|
|
|
code = support.import_module('code')
|
|
|
|
|
|
class TestInteractiveConsole(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.console = code.InteractiveConsole()
|
|
self.mock_sys()
|
|
|
|
def mock_sys(self):
|
|
"Mock system environment for InteractiveConsole"
|
|
# use exit stack to match patch context managers to addCleanup
|
|
stack = ExitStack()
|
|
self.addCleanup(stack.close)
|
|
self.infunc = stack.enter_context(mock.patch('code.input',
|
|
create=True))
|
|
self.stdout = stack.enter_context(mock.patch('code.sys.stdout'))
|
|
self.stderr = stack.enter_context(mock.patch('code.sys.stderr'))
|
|
prepatch = mock.patch('code.sys', wraps=code.sys, spec=code.sys)
|
|
self.sysmod = stack.enter_context(prepatch)
|
|
if sys.excepthook is sys.__excepthook__:
|
|
self.sysmod.excepthook = self.sysmod.__excepthook__
|
|
|
|
def test_ps1(self):
|
|
self.infunc.side_effect = EOFError('Finished')
|
|
self.console.interact()
|
|
self.assertEqual(self.sysmod.ps1, '>>> ')
|
|
|
|
def test_ps2(self):
|
|
self.infunc.side_effect = EOFError('Finished')
|
|
self.console.interact()
|
|
self.assertEqual(self.sysmod.ps2, '... ')
|
|
|
|
def test_console_stderr(self):
|
|
self.infunc.side_effect = ["'antioch'", "", EOFError('Finished')]
|
|
self.console.interact()
|
|
for call in list(self.stdout.method_calls):
|
|
if 'antioch' in ''.join(call[1]):
|
|
break
|
|
else:
|
|
raise AssertionError("no console stdout")
|
|
|
|
def test_syntax_error(self):
|
|
self.infunc.side_effect = ["undefined", EOFError('Finished')]
|
|
self.console.interact()
|
|
for call in self.stderr.method_calls:
|
|
if 'NameError' in ''.join(call[1]):
|
|
break
|
|
else:
|
|
raise AssertionError("No syntax error from console")
|
|
|
|
def test_sysexcepthook(self):
|
|
self.infunc.side_effect = ["raise ValueError('')",
|
|
EOFError('Finished')]
|
|
hook = mock.Mock()
|
|
self.sysmod.excepthook = hook
|
|
self.console.interact()
|
|
self.assertTrue(hook.called)
|
|
|
|
def test_banner(self):
|
|
# with banner
|
|
self.infunc.side_effect = EOFError('Finished')
|
|
self.console.interact(banner='Foo')
|
|
self.assertEqual(len(self.stderr.method_calls), 2)
|
|
banner_call = self.stderr.method_calls[0]
|
|
self.assertEqual(banner_call, ['write', ('Foo\n',), {}])
|
|
|
|
# no banner
|
|
self.stderr.reset_mock()
|
|
self.infunc.side_effect = EOFError('Finished')
|
|
self.console.interact(banner='')
|
|
self.assertEqual(len(self.stderr.method_calls), 1)
|
|
|
|
def test_cause_tb(self):
|
|
self.infunc.side_effect = ["raise ValueError('') from AttributeError",
|
|
EOFError('Finished')]
|
|
self.console.interact()
|
|
output = ''.join(''.join(call[1]) for call in self.stderr.method_calls)
|
|
expected = dedent("""
|
|
AttributeError
|
|
|
|
The above exception was the direct cause of the following exception:
|
|
|
|
Traceback (most recent call last):
|
|
File "<console>", line 1, in <module>
|
|
ValueError
|
|
""")
|
|
self.assertIn(expected, output)
|
|
|
|
def test_context_tb(self):
|
|
self.infunc.side_effect = ["try: ham\nexcept: eggs\n",
|
|
EOFError('Finished')]
|
|
self.console.interact()
|
|
output = ''.join(''.join(call[1]) for call in self.stderr.method_calls)
|
|
expected = dedent("""
|
|
Traceback (most recent call last):
|
|
File "<console>", line 1, in <module>
|
|
NameError: name 'ham' is not defined
|
|
|
|
During handling of the above exception, another exception occurred:
|
|
|
|
Traceback (most recent call last):
|
|
File "<console>", line 2, in <module>
|
|
NameError: name 'eggs' is not defined
|
|
""")
|
|
self.assertIn(expected, output)
|
|
|
|
|
|
def test_main():
|
|
support.run_unittest(TestInteractiveConsole)
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|