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# Copyright (c) Microsoft Corporation.

# Licensed under the Apache License, Version 2.0 (the "License")

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

# http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

import gc

from collections import defaultdict

import objgraph

import pytest

from playwright.async_api import async_playwright

@pytest.mark.asyncio

async def test_memory_objects() -> None:

async with async_playwright() as p:

browser = await p.chromium.launch()

page = await browser.new_page()

await page.goto("https://example.com")

page.on("dialog", lambda dialog: dialog.dismiss())

for _ in range(100):

await page.evaluate("""async () => alert()""")

await page.route("**/", lambda route, _: route.fulfill(body="OK"))

for _ in range(100):

response = await page.evaluate("""async () => (await fetch("/")).text()""")

assert response == "OK"

await browser.close()

gc.collect()

pw_objects: defaultdict = defaultdict(int)

for o in objgraph.by_type("dict"):

name = o.get("_type")

if not name:

continue

pw_objects[name] += 1

assert "Dialog" not in pw_objects

assert "Request" not in pw_objects

assert "Route" not in pw_objects