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import unittest


from model.workitems import WorkItems


class WorkItemsTest(unittest.TestCase):
    def test_display_position_for_attachment(self):
        items = WorkItems()
        items.item_ids = [0, 1, 2]
        self.assertEquals(items.display_position_for_attachment(0), 1)
        self.assertEquals(items.display_position_for_attachment(1), 2)
        self.assertEquals(items.display_position_for_attachment(3), None)


if __name__ == '__main__':
    unittest.main()