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73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
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"Test InteractiveConsole and InteractiveInterpreter from code module"
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import sys
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import unittest
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from contextlib import ExitStack
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from unittest import mock
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from test import support
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code = support.import_module('code')
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class TestInteractiveConsole(unittest.TestCase):
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def setUp(self):
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self.console = code.InteractiveConsole()
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self.mock_sys()
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def mock_sys(self):
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"Mock system environment for InteractiveConsole"
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# use exit stack to match patch context managers to addCleanup
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stack = ExitStack()
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self.addCleanup(stack.close)
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self.infunc = stack.enter_context(mock.patch('code.input',
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create=True))
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self.stdout = stack.enter_context(mock.patch('code.sys.stdout'))
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self.stderr = stack.enter_context(mock.patch('code.sys.stderr'))
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prepatch = mock.patch('code.sys', wraps=code.sys, spec=code.sys)
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self.sysmod = stack.enter_context(prepatch)
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if sys.excepthook is sys.__excepthook__:
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self.sysmod.excepthook = self.sysmod.__excepthook__
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def test_ps1(self):
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self.infunc.side_effect = EOFError('Finished')
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self.console.interact()
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self.assertEqual(self.sysmod.ps1, '>>> ')
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def test_ps2(self):
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self.infunc.side_effect = EOFError('Finished')
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self.console.interact()
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self.assertEqual(self.sysmod.ps2, '... ')
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def test_console_stderr(self):
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self.infunc.side_effect = ["'antioch'", "", EOFError('Finished')]
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self.console.interact()
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for call in list(self.stdout.method_calls):
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if 'antioch' in ''.join(call[1]):
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break
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else:
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raise AssertionError("no console stdout")
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def test_syntax_error(self):
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self.infunc.side_effect = ["undefined", EOFError('Finished')]
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self.console.interact()
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for call in self.stderr.method_calls:
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if 'NameError:' in ''.join(call[1]):
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break
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else:
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raise AssertionError("No syntax error from console")
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def test_sysexcepthook(self):
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self.infunc.side_effect = ["raise ValueError('')",
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EOFError('Finished')]
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hook = mock.Mock()
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self.sysmod.excepthook = hook
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self.console.interact()
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self.assertTrue(hook.called)
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def test_main():
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support.run_unittest(TestInteractiveConsole)
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if __name__ == "__main__":
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unittest.main()
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