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"""Unittest for the type checker."""
import unittest
from astroid import test_utils
from pylint.checkers import typecheck
from pylint.testutils import CheckerTestCase, Message, set_config
class TypeCheckerTest(CheckerTestCase):
"Tests for pylint.checkers.typecheck"
CHECKER_CLASS = typecheck.TypeChecker
def test_no_member_in_getattr(self):
"""Make sure that a module attribute access is checked by pylint.
"""
node = test_utils.extract_node("""
import optparse
optparse.THIS_does_not_EXIST
""")
with self.assertAddsMessages(
Message(
'no-member',
node=node,
args=('Module', 'optparse', 'THIS_does_not_EXIST'))):
self.checker.visit_attribute(node)
@set_config(ignored_modules=('argparse',))
def test_no_member_in_getattr_ignored(self):
"""Make sure that a module attribute access check is omitted with a
module that is configured to be ignored.
"""
node = test_utils.extract_node("""
import argparse
argparse.THIS_does_not_EXIST
""")
with self.assertNoMessages():
self.checker.visit_attribute(node)
@set_config(ignored_classes=('xml.etree.', ))
def test_ignored_modules_invalid_pattern(self):
node = test_utils.extract_node('''
import xml
xml.etree.Lala
''')
message = Message('no-member', node=node,
args=('Module', 'xml.etree', 'Lala'))
with self.assertAddsMessages(message):
self.checker.visit_attribute(node)
@set_config(ignored_modules=('xml.etree*', ))
def test_ignored_modules_patterns(self):
node = test_utils.extract_node('''
import xml
xml.etree.portocola #@
''')
with self.assertNoMessages():
self.checker.visit_attribute(node)
@set_config(ignored_classes=('xml.*', ))
def test_ignored_classes_no_recursive_pattern(self):
node = test_utils.extract_node('''
import xml
xml.etree.ElementTree.Test
''')
message = Message('no-member', node=node,
args=('Module', 'xml.etree.ElementTree', 'Test'))
with self.assertAddsMessages(message):
self.checker.visit_attribute(node)
@set_config(ignored_classes=('optparse.Values', ))
def test_ignored_classes_qualified_name(self):
"""Test that ignored-classes supports qualified name for ignoring."""
node = test_utils.extract_node('''
import optparse
optparse.Values.lala
''')
with self.assertNoMessages():
self.checker.visit_attribute(node)
@set_config(ignored_classes=('Values', ))
def test_ignored_classes_only_name(self):
"""Test that ignored_classes works with the name only."""
node = test_utils.extract_node('''
import optparse
optparse.Values.lala
''')
with self.assertNoMessages():
self.checker.visit_attribute(node)
if __name__ == '__main__':
unittest.main()
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