Method test_rewind

test/test_cursor.py:864–894

(self)

        self.assertRaises(InvalidOperation, a.where, "this.x < 3")

    def test_rewind(self):
        self.db.test.insert_many([{"x": i} for i in range(1, 4)])

        cursor = self.db.test.find().limit(2)

        count = 0
        for _ in cursor:
            count += 1
        self.assertEqual(2, count)

        count = 0
        for _ in cursor:
            count += 1
        self.assertEqual(0, count)

        cursor.rewind()
        count = 0
        for _ in cursor:
            count += 1
        self.assertEqual(2, count)

        cursor.rewind()
        count = 0
        for _ in cursor:
            break
        cursor.rewind()
        for _ in cursor:
            count += 1
        self.assertEqual(2, count)

        self.assertEqual(cursor, cursor.rewind())

    # oplog_reply, and snapshot are all deprecated.
    @ignore_deprecations