61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
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# Copyright (c) 2015 Pavel Roskin <proski@gnu.org>
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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) 2015-2016 Claudiu Popa <pcmanticore@gmail.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 sys
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import pytest
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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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@pytest.mark.skipif(sys.version_info[0] != 3,
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reason="The test should emit an error on Python 3.")
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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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@pytest.mark.skipif(sys.version_info[0] != 2,
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reason="The test is valid only on Python 2.")
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def test_raising_bad_type_python2(self):
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nodes = astroid.extract_node('''
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raise (ZeroDivisionError, None) #@
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from something import something
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raise (something, None) #@
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raise (4, None) #@
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raise () #@
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''')
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with self.assertNoMessages():
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self.checker.visit_raise(nodes[0])
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with self.assertNoMessages():
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self.checker.visit_raise(nodes[1])
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message = Message('raising-bad-type', node=nodes[2], args='tuple')
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with self.assertAddsMessages(message):
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self.checker.visit_raise(nodes[2])
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message = Message('raising-bad-type', node=nodes[3], args='tuple')
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with self.assertAddsMessages(message):
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self.checker.visit_raise(nodes[3])
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