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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 typing import Optional
from playwright.async_api import Page, Route
from tests.server import Server, TestServerRequest
async def test_request_continue_should_work(page: Page, server: Server) -> None:
await page.route("**/*", lambda route: asyncio.create_task(route.continue_()))
await page.goto(server.EMPTY_PAGE)
async def test_request_continue_should_amend_http_headers(
page: Page, server: Server
) -> None:
await page.route(
"**/*",
lambda route: asyncio.create_task(
route.continue_(headers={**route.request.headers, "FOO": "bar"})
),
)
await page.goto(server.EMPTY_PAGE)
[request, _] = await asyncio.gather(
server.wait_for_request("/sleep.zzz"),
page.evaluate('() => fetch("/sleep.zzz")'),
)
assert request.getHeader("foo") == "bar"
async def test_request_continue_should_amend_method(page: Page, server: Server) -> None:
server_request = asyncio.create_task(server.wait_for_request("/sleep.zzz"))
await page.goto(server.EMPTY_PAGE)
await page.route(
"**/*", lambda route: asyncio.create_task(route.continue_(method="POST"))
)
[request, _] = await asyncio.gather(
server.wait_for_request("/sleep.zzz"),
page.evaluate('() => fetch("/sleep.zzz")'),
)
assert request.method.decode() == "POST"
assert (await server_request).method.decode() == "POST"
async def test_request_continue_should_amend_method_on_main_request(
page: Page, server: Server
) -> None:
request = asyncio.create_task(server.wait_for_request("/empty.html"))
await page.route(
"**/*", lambda route: asyncio.create_task(route.continue_(method="POST"))
)
await page.goto(server.EMPTY_PAGE)
assert (await request).method.decode() == "POST"
async def test_request_continue_should_amend_post_data(
page: Page, server: Server
) -> None:
await page.goto(server.EMPTY_PAGE)
await page.route(
"**/*",
lambda route: asyncio.create_task(route.continue_(post_data=b"doggo")),
)
[server_request, _] = await asyncio.gather(
server.wait_for_request("/sleep.zzz"),
page.evaluate(
"""
() => fetch('/sleep.zzz', { method: 'POST', body: 'birdy' })
"""
),
)
assert server_request.post_body
assert server_request.post_body.decode() == "doggo"
async def test_should_override_request_url(page: Page, server: Server) -> None:
request = asyncio.create_task(server.wait_for_request("/empty.html"))
await page.route(
"**/foo",
lambda route: asyncio.create_task(route.continue_(url=server.EMPTY_PAGE)),
)
await page.goto(server.PREFIX + "/foo")
assert (await request).method == b"GET"
async def test_should_raise_except(page: Page, server: Server) -> None:
exc_fut: "asyncio.Future[Optional[Exception]]" = asyncio.Future()
async def capture_exception(route: Route) -> None:
try:
await route.continue_(url="file:///tmp/does-not-exist")
exc_fut.set_result(None)
except Exception as e:
exc_fut.set_result(e)
await page.route("**/*", capture_exception)
asyncio.create_task(page.goto(server.EMPTY_PAGE))
assert "New URL must have same protocol as overridden URL" in str(await exc_fut)
async def test_should_amend_utf8_post_data(page: Page, server: Server) -> None:
await page.goto(server.EMPTY_PAGE)
await page.route(
"**/*",
lambda route: asyncio.create_task(route.continue_(post_data="пушкин")),
)
[server_request, result] = await asyncio.gather(
server.wait_for_request("/sleep.zzz"),
page.evaluate("fetch('/sleep.zzz', { method: 'POST', body: 'birdy' })"),
)
assert server_request.method == b"POST"
assert server_request.post_body
assert server_request.post_body.decode("utf8") == "пушкин"
async def test_should_amend_binary_post_data(page: Page, server: Server) -> None:
await page.goto(server.EMPTY_PAGE)
await page.route(
"**/*",
lambda route: asyncio.create_task(
route.continue_(post_data=b"\x00\x01\x02\x03\x04")
),
)
[server_request, result] = await asyncio.gather(
server.wait_for_request("/sleep.zzz"),
page.evaluate("fetch('/sleep.zzz', { method: 'POST', body: 'birdy' })"),
)
assert server_request.method == b"POST"
assert server_request.post_body == b"\x00\x01\x02\x03\x04"
async def test_continue_should_not_change_multipart_form_data_body(
page: Page, server: Server, browser_name: str
) -> None:
await page.goto(server.EMPTY_PAGE)
server.set_route(
"/upload",
lambda context: (
context.write(b"done"),
context.setHeader("Content-Type", "text/plain"),
context.finish(),
),
)
async def send_form_data() -> TestServerRequest:
req_task = asyncio.create_task(server.wait_for_request("/upload"))
status = await page.evaluate(
"""async () => {
const newFile = new File(['file content'], 'file.txt');
const formData = new FormData();
formData.append('file', newFile);
const response = await fetch('/upload', {
method: 'POST',
credentials: 'include',
body: formData,
});
return response.status;
}"""
)
req = await req_task
assert status == 200
return req
req_before = await send_form_data()
await page.route("**/*", lambda route: route.continue_())
req_after = await send_form_data()
file_content = (
'Content-Disposition: form-data; name="file"; filename="file.txt"\r\n'
"Content-Type: application/octet-stream\r\n"
"\r\n"
"file content\r\n"
"------"
)
assert req_before.post_body
assert req_after.post_body
assert file_content in req_before.post_body.decode()
assert file_content in req_after.post_body.decode()
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