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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 asyncio
from contextlib import asynccontextmanager
from pathlib import Path
from typing import Any, AsyncGenerator, Awaitable, Callable, Dict, Generator
import pytest
from playwright._impl._driver import compute_driver_executable
from playwright.async_api import (
Browser,
BrowserContext,
BrowserType,
FrameLocator,
Locator,
Page,
Playwright,
Selectors,
async_playwright,
)
from tests.server import HTTPServer
from .utils import Utils
from .utils import utils as utils_object
@pytest.fixture
def utils() -> Generator[Utils, None, None]:
yield utils_object
@pytest.fixture(scope="session")
async def playwright() -> AsyncGenerator[Playwright, None]:
async with async_playwright() as playwright_object:
yield playwright_object
@pytest.fixture(scope="session")
def browser_type(playwright: Playwright, browser_name: str) -> BrowserType:
if browser_name == "chromium":
return playwright.chromium
if browser_name == "firefox":
return playwright.firefox
if browser_name == "webkit":
return playwright.webkit
raise Exception(f"Invalid browser_name: {browser_name}")
@pytest.fixture(scope="session")
async def browser_factory(
launch_arguments: Dict, browser_type: BrowserType
) -> AsyncGenerator[Callable[..., Awaitable[Browser]], None]:
browsers = []
async def launch(**kwargs: Any) -> Browser:
browser = await browser_type.launch(**launch_arguments, **kwargs)
browsers.append(browser)
return browser
yield launch
for browser in browsers:
await browser.close()
@pytest.fixture(scope="session")
async def browser(
browser_factory: "Callable[..., asyncio.Future[Browser]]",
) -> AsyncGenerator[Browser, None]:
browser = await browser_factory()
yield browser
await browser.close()
@pytest.fixture(scope="session")
def browser_version(browser: Browser) -> str:
return browser.version
@pytest.fixture
async def context_factory(
browser: Browser,
) -> AsyncGenerator["Callable[..., Awaitable[BrowserContext]]", None]:
contexts = []
async def launch(**kwargs: Any) -> BrowserContext:
context = await browser.new_context(**kwargs)
contexts.append(context)
return context
yield launch
for context in contexts:
await context.close()
@pytest.fixture(scope="session")
def default_same_site_cookie_value(browser_name: str, is_linux: bool) -> str:
if browser_name == "chromium":
return "Lax"
if browser_name == "firefox":
return "None"
if browser_name == "webkit" and is_linux:
return "Lax"
if browser_name == "webkit" and not is_linux:
return "None"
raise Exception(f"Invalid browser_name: {browser_name}")
@pytest.fixture
async def context(
context_factory: "Callable[..., asyncio.Future[BrowserContext]]",
) -> AsyncGenerator[BrowserContext, None]:
context = await context_factory()
yield context
await context.close()
@pytest.fixture
async def page(context: BrowserContext) -> AsyncGenerator[Page, None]:
page = await context.new_page()
yield page
await page.close()
@pytest.fixture(scope="session")
def selectors(playwright: Playwright) -> Selectors:
return playwright.selectors
class TraceViewerPage:
def __init__(self, page: Page):
self.page = page
@property
def actions_tree(self) -> Locator:
return self.page.get_by_test_id("actions-tree")
@property
def action_titles(self) -> Locator:
return self.page.locator(".action-title")
@property
def stack_frames(self) -> Locator:
return self.page.get_by_role("list", name="Stack Trace").get_by_role("listitem")
async def select_action(self, title: str, ordinal: int = 0) -> None:
await self.page.locator(".action-title", has_text=title).nth(ordinal).click()
async def select_snapshot(self, name: str) -> None:
await self.page.click(
f'.snapshot-tab .tabbed-pane-tab-label:has-text("{name}")'
)
async def snapshot_frame(
self, action_name: str, ordinal: int = 0, has_subframe: bool = False
) -> FrameLocator:
await self.select_action(action_name, ordinal)
expected_frames = 4 if has_subframe else 3
while len(self.page.frames) < expected_frames:
await self.page.wait_for_event("frameattached")
return self.page.frame_locator("iframe.snapshot-visible[name=snapshot]")
async def show_source_tab(self) -> None:
await self.page.click("text='Source'")
async def expand_action(self, title: str, ordinal: int = 0) -> None:
await self.actions_tree.locator(".tree-view-entry", has_text=title).nth(
ordinal
).locator(".codicon-chevron-right").click()
@pytest.fixture
async def show_trace_viewer(browser: Browser) -> AsyncGenerator[Callable, None]:
"""Fixture that provides a function to show trace viewer for a trace file."""
@asynccontextmanager
async def _show_trace_viewer(
trace_path: Path,
) -> AsyncGenerator[TraceViewerPage, None]:
trace_viewer_path = (
Path(compute_driver_executable()[0]) / "../package/lib/vite/traceViewer"
).resolve()
server = HTTPServer()
server.start(trace_viewer_path)
server.set_route("/trace.zip", lambda request: request.serve_file(trace_path))
page = await browser.new_page()
try:
await page.goto(
f"{server.PREFIX}/index.html?trace={server.PREFIX}/trace.zip"
)
yield TraceViewerPage(page)
finally:
await page.close()
server.stop()
yield _show_trace_viewer
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