def test_testing():
 assert_raises(AssertionError, assert_in, 'foo', 'bar')
 assert_in('foo', 'foobar')
 assert_raises(AssertionError, assert_not_in, 'foo', 'foobar')
 assert_not_in('foo', 'bar')
 assert_raises(AssertionError, assert_is, None, 0)
 assert_is(None, None)

def test_testing ( ) : assert_raises ( AssertionError , assert_in , 'foo' , 'bar' ) assert_in ( 'foo' , 'foobar' ) assert_raises ( AssertionError , assert_not_in , 'foo' , 'foobar' ) assert_not_in ( 'foo' , 'bar' ) assert_raises ( AssertionError , assert_is , None , 0 ) assert_is ( None , None )
test testing ports .