Method test_skip

test/test_cursor.py:716–764

(self)

        self.assertEqual(101, curs._retrieved)

    def test_skip(self):
        db = self.db

        with self.assertRaises(TypeError):
            db.test.find().skip(None)  # type: ignore[arg-type]
        with self.assertRaises(TypeError):
            db.test.find().skip("hello")  # type: ignore[arg-type]
        with self.assertRaises(TypeError):
            db.test.find().skip(5.5)  # type: ignore[arg-type]
        with self.assertRaises(ValueError):
            db.test.find().skip(-5)
        self.assertTrue((db.test.find()).skip(5))

        db.drop_collection("test")

        db.test.insert_many([{"x": i} for i in range(100)])

        for i in db.test.find():
            self.assertEqual(i["x"], 0)
            break

        for i in db.test.find().skip(20):
            self.assertEqual(i["x"], 20)
            break

        for i in db.test.find().skip(99):
            self.assertEqual(i["x"], 99)
            break

        for i in db.test.find().skip(1):
            self.assertEqual(i["x"], 1)
            break

        for i in db.test.find().skip(0):
            self.assertEqual(i["x"], 0)
            break

        for i in db.test.find().skip(0).skip(50).skip(10):
            self.assertEqual(i["x"], 10)
            break

        for _ in db.test.find().skip(1000):
            self.fail()

        a = db.test.find()
        a.skip(10)
        for _ in a:
            break
        self.assertRaises(InvalidOperation, a.skip, 5)

    def test_sort(self):
        db = self.db