playwright-python/tests/sync/test_request_intercept.py

148 lines
4.7 KiB
Python

# 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.
from pathlib import Path
from twisted.web import http
from playwright.sync_api import Page, Route
from tests.server import Server
def test_should_not_follow_redirects_when_max_redirects_is_set_to_0_in_route_fetch(
server: Server, page: Page
) -> None:
server.set_redirect("/foo", "/empty.html")
def handle(route: Route) -> None:
response = route.fetch(max_redirects=0)
assert response.headers["location"] == "/empty.html"
assert response.status == 302
route.fulfill(body="hello")
page.route("**/*", lambda route: handle(route))
page.goto(server.PREFIX + "/foo")
assert "hello" in page.content()
def test_should_fulfill_intercepted_response(page: Page, server: Server) -> None:
def handle(route: Route) -> None:
response = page.request.fetch(route.request)
route.fulfill(
response=response,
status=201,
headers={"foo": "bar"},
content_type="text/plain",
body="Yo, page!",
)
page.route("**/*", handle)
response = page.goto(server.PREFIX + "/empty.html")
assert response
assert response.status == 201
assert response.headers["foo"] == "bar"
assert response.headers["content-type"] == "text/plain"
assert page.evaluate("() => document.body.textContent") == "Yo, page!"
def test_should_fulfill_response_with_empty_body(page: Page, server: Server) -> None:
def handle(route: Route) -> None:
response = page.request.fetch(route.request)
route.fulfill(
response=response, status=201, body="", headers={"content-length": "0"}
)
page.route("**/*", handle)
response = page.goto(server.PREFIX + "/title.html")
assert response
assert response.status == 201
assert response.text() == ""
def test_should_override_with_defaults_when_intercepted_response_not_provided(
page: Page, server: Server, browser_name: str
) -> None:
def server_handler(request: http.Request) -> None:
request.setHeader("foo", "bar")
request.write("my content".encode())
request.finish()
server.set_route("/empty.html", server_handler)
def handle(route: Route) -> None:
page.request.fetch(route.request)
route.fulfill(status=201)
page.route("**/*", handle)
response = page.goto(server.EMPTY_PAGE)
assert response
assert response.status == 201
assert response.text() == ""
if browser_name == "webkit":
assert response.headers == {"content-type": "text/plain"}
else:
assert response.headers == {}
def test_should_fulfill_with_any_response(page: Page, server: Server) -> None:
def server_handler(request: http.Request) -> None:
request.setHeader("foo", "bar")
request.write("Woo-hoo".encode())
request.finish()
server.set_route("/sample", server_handler)
sample_response = page.request.get(server.PREFIX + "/sample")
page.route(
"**/*",
lambda route: route.fulfill(
response=sample_response, status=201, content_type="text/plain"
),
)
response = page.goto(server.EMPTY_PAGE)
assert response
assert response.status == 201
assert response.text() == "Woo-hoo"
assert response.headers["foo"] == "bar"
def test_should_support_fulfill_after_intercept(
page: Page, server: Server, assetdir: Path
) -> None:
def handle_route(route: Route) -> None:
response = page.request.fetch(route.request)
route.fulfill(response=response)
page.route("**", handle_route)
with server.expect_request("/title.html") as request_info:
response = page.goto(server.PREFIX + "/title.html")
assert response
request = request_info.value
assert request.uri.decode() == "/title.html"
original = (assetdir / "title.html").read_text()
assert response.text() == original
def test_should_intercept_by_glob(page: Page, server: Server) -> None:
page.goto(server.EMPTY_PAGE)
page.route(
"http://localhos**?*oo",
lambda route: route.fulfill(body="intercepted", status=200),
)
result = page.evaluate(
"url => fetch(url).then(r => r.text())", server.PREFIX + "/?foo"
)
assert result == "intercepted"