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test_reference_count_async.py
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52 lines (40 loc) · 1.65 KB
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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
import objgraph
import pandas as pd
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()
df_dicts = pd.DataFrame()
df_dicts["dicts"] = objgraph.by_type("dict")
df_dicts["pw_types"] = df_dicts["dicts"].apply(lambda x: x.get("_type"))
head = df_dicts["pw_types"].value_counts().head(20)
assert "Dialog" not in head.items()
assert "Request" not in head.items()
assert "Route" not in head.items()