def test_set(self):
a = Metadata()
a["title"] = [("eng", "Epigrams")]
self.assertEqual(a["title"]["eng"], "Epigrams")
self.assertEqual(
a.keys(), ["title"], "Keys should be set"
)
a[("desc", "label")] = ([("eng", "desc")], [("eng", "lbl"), ("fre", "label")])
self.assertEqual(a["desc"]["eng"], "desc")
self.assertEqual(a["label"][("eng", "fre")], ("lbl", "label"))
def test_init(self):
a = Metadata()
self.assertTrue(hasattr(a, "metadata"), True)
self.assertTrue(isinstance(a.metadata, defaultdict))
a = Metadata(keys=["title"])
self.assertTrue(isinstance(a.metadata["title"], Metadatum))
self.assertEqual(
a.keys(), ["title"], "Keys should be set"
)