from chrysacase import ChrysalideTestCase
from pychrysalide.analysis.scan import ScanFunction


class TestScanFunction(ChrysalideTestCase):
    """TestCase for analysis.scan.ScanFunction."""


    def testDirectInstances(self):
        """Reject direct instances."""

        with self.assertRaisesRegex(RuntimeError, 'pychrysalide.analysis.scan.ScanFunction is an abstract class'):

            f = ScanFunction('name')