mirror of
https://forge.fsky.io/oneflux/omegafox.git
synced 2026-02-10 06:32:05 -08:00
302 lines
8.5 KiB
Python
302 lines
8.5 KiB
Python
# Copyright (c) Microsoft Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import asyncio
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import inspect
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import io
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import json
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import os
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import subprocess
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import sys
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from pathlib import Path
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from typing import Any, AsyncGenerator, Callable, Dict, Generator, List, Optional, cast
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import playwright
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import playwright._impl._path_utils
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import pytest
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from PIL import Image
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from pixelmatch import pixelmatch
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from pixelmatch.contrib.PIL import from_PIL_to_raw_data
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from playwright._impl._path_utils import get_file_dirname
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from .server import Server, test_server
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_dirname = get_file_dirname()
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"""
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Patch playwright to not rely on module path for assets.
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"""
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original_get_file_dirname = playwright._impl._path_utils.get_file_dirname
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@pytest.hookimpl(tryfirst=True)
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def pytest_configure(config):
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def patched_get_file_dirname():
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return _dirname
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playwright._impl._path_utils.get_file_dirname = patched_get_file_dirname
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@pytest.hookimpl(trylast=True)
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def pytest_unconfigure(config):
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playwright._impl._path_utils.get_file_dirname = original_get_file_dirname
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def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
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if "browser_name" in metafunc.fixturenames:
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browsers = ["firefox"]
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metafunc.parametrize("browser_name", browsers, scope="session")
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"""
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Playwright fixtures.
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"""
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@pytest.fixture(scope="session")
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def event_loop() -> Generator[asyncio.AbstractEventLoop, None, None]:
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loop = asyncio.get_event_loop()
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yield loop
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loop.close()
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@pytest.fixture(scope="session")
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def assetdir() -> Path:
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return _dirname / "assets"
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@pytest.fixture(scope="session")
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def headless(pytestconfig: pytest.Config) -> bool:
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return pytestconfig.getoption("--headless") or os.getenv("HEADLESS", False)
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@pytest.fixture(scope="session")
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def launch_arguments(pytestconfig: pytest.Config, headless: bool) -> Dict:
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args = {
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"headless": headless,
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"channel": pytestconfig.getoption("--browser-channel"),
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}
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executable_path = os.getenv("CAMOUFOX_EXECUTABLE_PATH", None)
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if executable_path:
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args["executable_path"] = os.path.abspath(executable_path)
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return args
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@pytest.fixture
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def server() -> Generator[Server, None, None]:
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yield test_server.server
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@pytest.fixture
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def https_server() -> Generator[Server, None, None]:
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yield test_server.https_server
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@pytest.fixture(autouse=True, scope="session")
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async def start_server() -> AsyncGenerator[None, None]:
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test_server.start()
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yield
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test_server.stop()
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@pytest.fixture(autouse=True)
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def after_each_hook() -> Generator[None, None, None]:
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yield
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test_server.reset()
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@pytest.fixture(scope="session")
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def browser_name(pytestconfig: pytest.Config) -> str:
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# Always use Firefox
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return 'firefox'
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@pytest.fixture(scope="session")
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def browser_channel(pytestconfig: pytest.Config) -> Optional[str]:
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return cast(Optional[str], pytestconfig.getoption("--browser-channel"))
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@pytest.fixture(scope="session")
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def is_webkit(browser_name: str) -> bool:
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return browser_name == "webkit"
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@pytest.fixture(scope="session")
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def is_firefox(browser_name: str) -> bool:
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return browser_name == "firefox"
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@pytest.fixture(scope="session")
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def is_chromium(browser_name: str) -> bool:
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return browser_name == "chromium"
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@pytest.fixture(scope="session")
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def is_win() -> bool:
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return sys.platform == "win32"
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@pytest.fixture(scope="session")
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def is_linux() -> bool:
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return sys.platform == "linux"
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@pytest.fixture(scope="session")
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def is_mac() -> bool:
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return sys.platform == "darwin"
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"""
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Helper to skip tests by browser or platform.
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"""
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def _get_skiplist(request: pytest.FixtureRequest, values: List[str], value_name: str) -> List[str]:
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skipped_values = []
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# Allowlist
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only_marker = request.node.get_closest_marker(f"only_{value_name}")
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if only_marker:
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skipped_values = values
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skipped_values.remove(only_marker.args[0])
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# Denylist
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skip_marker = request.node.get_closest_marker(f"skip_{value_name}")
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if skip_marker:
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skipped_values.append(skip_marker.args[0])
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return skipped_values
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@pytest.fixture(autouse=True)
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def skip_by_browser(request: pytest.FixtureRequest, browser_name: str) -> None:
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skip_browsers_names = _get_skiplist(request, ["chromium", "firefox", "webkit"], "browser")
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if browser_name in skip_browsers_names:
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pytest.skip(f"skipped for this browser: {browser_name}")
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@pytest.fixture(autouse=True)
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def skip_by_platform(request: pytest.FixtureRequest) -> None:
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skip_platform_names = _get_skiplist(request, ["win32", "linux", "darwin"], "platform")
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if sys.platform in skip_platform_names:
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pytest.skip(f"skipped on this platform: {sys.platform}")
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def pytest_addoption(parser: pytest.Parser) -> None:
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group = parser.getgroup("playwright", "Playwright")
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parser.addoption(
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"--headless",
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action="store_true",
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default=False,
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help="Run tests in headless mode.",
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)
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group.addoption(
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"--browser-channel",
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action="store",
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default=None,
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help="Browser channel to be used.",
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)
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@pytest.fixture(scope="session")
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def assert_to_be_golden(browser_name: str) -> Callable[[bytes, str], None]:
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def compare(received_raw: bytes, golden_name: str) -> None:
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golden_file_path = _dirname / f"golden-{browser_name}" / golden_name
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try:
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golden_file = golden_file_path.read_bytes()
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received_image = Image.open(io.BytesIO(received_raw))
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golden_image = Image.open(io.BytesIO(golden_file))
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if golden_image.size != received_image.size:
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pytest.fail("Image size differs to golden image")
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return
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diff_pixels = pixelmatch(
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from_PIL_to_raw_data(received_image),
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from_PIL_to_raw_data(golden_image),
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golden_image.size[0],
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golden_image.size[1],
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threshold=0.2,
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)
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assert diff_pixels == 0
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except Exception:
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if os.getenv("PW_WRITE_SCREENSHOT"):
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golden_file_path.parent.mkdir(parents=True, exist_ok=True)
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golden_file_path.write_bytes(received_raw)
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print(f"Wrote {golden_file_path}")
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raise
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return compare
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class RemoteServer:
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def __init__(self, browser_name: str, launch_server_options: Dict, tmpfile: Path) -> None:
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driver_dir = Path(inspect.getfile(playwright)).parent / "driver"
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if sys.platform == "win32":
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node_executable = driver_dir / "node.exe"
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else:
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node_executable = driver_dir / "node"
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cli_js = driver_dir / "package" / "cli.js"
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tmpfile.write_text(json.dumps(launch_server_options))
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self.process = subprocess.Popen(
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[
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str(node_executable),
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str(cli_js),
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"launch-server",
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"--browser",
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browser_name,
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"--config",
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str(tmpfile),
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],
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stdout=subprocess.PIPE,
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stderr=sys.stderr,
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cwd=driver_dir,
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)
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assert self.process.stdout
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self.ws_endpoint = self.process.stdout.readline().decode().strip()
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self.process.stdout.close()
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def kill(self) -> None:
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# Send the signal to all the process groups
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if self.process.poll() is not None:
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return
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self.process.kill()
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self.process.wait()
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@pytest.fixture
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def launch_server(
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browser_name: str, launch_arguments: Dict, tmp_path: Path
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) -> Generator[Callable[..., RemoteServer], None, None]:
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remotes: List[RemoteServer] = []
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def _launch_server(**kwargs: Dict[str, Any]) -> RemoteServer:
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remote = RemoteServer(
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browser_name,
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{
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**launch_arguments,
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**kwargs,
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},
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tmp_path / f"settings-{len(remotes)}.json",
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)
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remotes.append(remote)
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return remote
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yield _launch_server
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for remote in remotes:
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remote.kill()
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remote.kill()
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