def testEjection(self):
""" Test that appropriate scanners are ejected. """
scanners = [1, 2, 3, "a", "b", "c", 1]
self.assertEqual(
list(NewerDuplicates.filtered(scanners)),
[1, 2, 3, "a", "b", "c"]
)
def testEmpty(self):
""" Test that empty list is handled correctly. """
scanners = []
self.assertEqual(list(NewerDuplicates.filtered(scanners)), [])