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Copy pathtest_resource_timing.py
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102 lines (84 loc) · 4.14 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 pytest
from playwright.async_api import Browser, Page, ResourceTiming
from tests.server import Server
async def test_should_work(page: Page, server: Server) -> None:
async with page.expect_event("requestfinished") as request_info:
await page.goto(server.EMPTY_PAGE)
request = await request_info.value
timing = request.timing
verify_connections_timing_consistency(timing)
assert timing["requestStart"] >= timing["connectEnd"]
assert timing["responseStart"] >= timing["requestStart"]
assert timing["responseEnd"] >= timing["responseStart"]
assert timing["responseEnd"] < 10000
async def test_should_work_for_subresource(
page: Page, server: Server, is_win: bool, is_mac: bool, is_webkit: bool
) -> None:
if is_webkit and (is_mac or is_win):
pytest.skip()
requests = []
page.on("requestfinished", lambda request: requests.append(request))
await page.goto(server.PREFIX + "/one-style.html")
assert len(requests) >= 2
timing = requests[1].timing
verify_connections_timing_consistency(timing)
assert timing["requestStart"] >= 0
assert timing["responseStart"] > timing["requestStart"]
assert timing["responseEnd"] >= timing["responseStart"]
assert timing["responseEnd"] < 10000
async def test_should_work_for_ssl(browser: Browser, https_server: Server) -> None:
page = await browser.new_page(ignore_https_errors=True)
async with page.expect_event("requestfinished") as request_info:
await page.goto(https_server.EMPTY_PAGE)
request = await request_info.value
timing = request.timing
verify_connections_timing_consistency(timing)
assert timing["requestStart"] >= timing["connectEnd"]
assert timing["responseStart"] >= timing["requestStart"]
assert timing["responseEnd"] >= timing["responseStart"]
assert timing["responseEnd"] < 10000
await page.close()
@pytest.mark.skip_browser("webkit") # In WebKit, redirects don"t carry the timing info
async def test_should_work_for_redirect(page: Page, server: Server) -> None:
server.set_redirect("/foo.html", "/empty.html")
responses = []
page.on("response", lambda response: responses.append(response))
await page.goto(server.PREFIX + "/foo.html")
for r in responses:
await r.finished()
assert len(responses) == 2
assert responses[0].url == server.PREFIX + "/foo.html"
assert responses[1].url == server.PREFIX + "/empty.html"
timing1 = responses[0].request.timing
verify_connections_timing_consistency(timing1)
assert timing1["requestStart"] >= timing1["connectEnd"]
assert timing1["responseStart"] > timing1["requestStart"]
assert timing1["responseEnd"] >= timing1["responseStart"]
assert timing1["responseEnd"] < 10000
timing2 = responses[1].request.timing
verify_connections_timing_consistency(timing2)
assert timing2["requestStart"] >= 0
assert timing2["responseStart"] > timing2["requestStart"]
assert timing2["responseEnd"] >= timing2["responseStart"]
assert timing2["responseEnd"] < 10000
def verify_timing_value(value: float, previous: float) -> None:
assert value == -1 or value > 0 and value >= previous
def verify_connections_timing_consistency(timing: ResourceTiming) -> None:
verify_timing_value(timing["domainLookupStart"], -1)
verify_timing_value(timing["domainLookupEnd"], timing["domainLookupStart"])
verify_timing_value(timing["connectStart"], timing["domainLookupEnd"])
verify_timing_value(timing["secureConnectionStart"], timing["connectStart"])
verify_timing_value(timing["connectEnd"], timing["secureConnectionStart"])