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50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
# Copyright (c) 2015-2018 Claudiu Popa <pcmanticore@gmail.com>
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# Copyright (c) 2015 Rene Zhang <rz99@cornell.edu>
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# Copyright (c) 2015 Steven Myint <hg@stevenmyint.com>
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# Copyright (c) 2015 Pavel Roskin <proski@gnu.org>
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# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
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# Copyright (c) 2016 Derek Gustafson <degustaf@gmail.com>
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# Copyright (c) 2018 Brian Shaginaw <brian.shaginaw@warbyparker.com>
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# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
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"""Tests for pylint.checkers.exceptions."""
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import astroid
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from pylint.checkers import exceptions
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from pylint.testutils import CheckerTestCase, Message
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class TestExceptionsChecker(CheckerTestCase):
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"""Tests for pylint.checkers.exceptions."""
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CHECKER_CLASS = exceptions.ExceptionsChecker
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# These tests aren't in the functional test suite,
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# since they will be converted with 2to3 for Python 3
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# and `raise (Error, ...)` will be converted to
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# `raise Error(...)`, so it beats the purpose of the test.
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def test_raising_bad_type_python3(self):
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node = astroid.extract_node("raise (ZeroDivisionError, None) #@")
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message = Message("raising-bad-type", node=node, args="tuple")
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with self.assertAddsMessages(message):
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self.checker.visit_raise(node)
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def test_bad_exception_context_function(self):
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node = astroid.extract_node(
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"""
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def function():
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pass
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try:
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pass
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except function as exc:
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raise Exception from exc #@
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"""
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)
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message = Message("bad-exception-context", node=node)
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with self.assertAddsMessages(message):
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self.checker.visit_raise(node)
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