tests/functional/r/redundant_unittest_assert.py

# pylint: disable=missing-docstring,too-few-public-methods
"""
https://www.logilab.org/ticket/355
If you are using assertTrue or assertFalse and the first argument is a
constant(like a string), then the assert will always be true. Therefore,
it should emit a warning message.
"""

import unittest

@unittest.skip("don't run this")
class Tests(unittest.TestCase):
    def test_something(self):
        ''' Simple test '''
        some_var = 'It should be assertEqual'
        # +1:[redundant-unittest-assert]
        self.assertTrue('I meant assertEqual not assertTrue', some_var)
        # +1:[redundant-unittest-assert]
        self.assertFalse('I meant assertEqual not assertFalse', some_var)
        # +1:[redundant-unittest-assert]
        self.assertTrue(True, some_var)
        # +1:[redundant-unittest-assert]
        self.assertFalse(False, some_var)
        # +1:[redundant-unittest-assert]
        self.assertFalse(None, some_var)
        # +1:[redundant-unittest-assert]
        self.assertTrue(0, some_var)

        self.assertTrue('should be' in some_var, some_var)
        self.assertTrue(some_var, some_var)


@unittest.skip("don't run this")
class RegressionWithArgs(unittest.TestCase):
    '''Don't fail if the bound method doesn't have arguments.'''

    def test(self):
        self.run()