Method test_create_index

test/test_collection.py:286–335

(self)

        self.db.coll.create_indexes([IndexModel("a")], commitQuorum="majority")

    def test_create_index(self):
        db = self.db

        with self.assertRaises(TypeError):
            db.test.create_index(5)  # type: ignore[arg-type]
        with self.assertRaises(ValueError):
            db.test.create_index([])

        db.test.drop_indexes()
        db.test.insert_one({})
        self.assertEqual(len(db.test.index_information()), 1)

        db.test.create_index("hello")
        db.test.create_index([("hello", DESCENDING), ("world", ASCENDING)])

        # Tuple instead of list.
        db.test.create_index((("world", ASCENDING),))

        self.assertEqual(len(db.test.index_information()), 4)

        db.test.drop_indexes()
        ix = db.test.create_index([("hello", DESCENDING), ("world", ASCENDING)], name="hello_world")
        self.assertEqual(ix, "hello_world")

        db.test.drop_indexes()
        self.assertEqual(len(db.test.index_information()), 1)
        db.test.create_index("hello")
        self.assertIn("hello_1", db.test.index_information())

        db.test.drop_indexes()
        self.assertEqual(len(db.test.index_information()), 1)
        db.test.create_index([("hello", DESCENDING), ("world", ASCENDING)])
        self.assertIn("hello_-1_world_1", db.test.index_information())

        db.test.drop_indexes()
        db.test.create_index([("hello", DESCENDING), ("world", ASCENDING)], name=None)
        self.assertIn("hello_-1_world_1", db.test.index_information())

        db.test.drop()
        db.test.insert_one({"a": 1})
        db.test.insert_one({"a": 1})
        with self.assertRaises(DuplicateKeyError):
            db.test.create_index("a", unique=True)

        with self.write_concern_collection() as coll:
            coll.create_index([("hello", DESCENDING)])

        db.test.create_index(["hello", "world"])
        db.test.create_index(["hello", ("world", DESCENDING)])
        db.test.create_index({"hello": 1}.items())  # type:ignore[arg-type]

    def test_drop_index(self):
        db = self.db