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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
import pytest
from playwright.async_api import Error, Page
from tests.server import Server
from .utils import Utils
async def test_evaluate_handle(page: Page, server: Server) -> None:
await page.goto(server.EMPTY_PAGE)
main_frame = page.main_frame
assert main_frame.page == page
window_handle = await main_frame.evaluate_handle("window")
assert window_handle
async def test_frame_element(page: Page, server: Server, utils: Utils) -> None:
await page.goto(server.EMPTY_PAGE)
frame1 = await utils.attach_frame(page, "frame1", server.EMPTY_PAGE)
assert frame1
await utils.attach_frame(page, "frame2", server.EMPTY_PAGE)
frame3 = await utils.attach_frame(page, "frame3", server.EMPTY_PAGE)
assert frame3
frame1handle1 = await page.query_selector("#frame1")
assert frame1handle1
frame1handle2 = await frame1.frame_element()
frame3handle1 = await page.query_selector("#frame3")
assert frame3handle1
frame3handle2 = await frame3.frame_element()
assert await frame1handle1.evaluate("(a, b) => a === b", frame1handle2)
assert await frame3handle1.evaluate("(a, b) => a === b", frame3handle2)
assert await frame1handle1.evaluate("(a, b) => a === b", frame3handle1) is False
async def test_frame_element_with_content_frame(
page: Page, server: Server, utils: Utils
) -> None:
await page.goto(server.EMPTY_PAGE)
frame = await utils.attach_frame(page, "frame1", server.EMPTY_PAGE)
handle = await frame.frame_element()
content_frame = await handle.content_frame()
assert content_frame == frame
async def test_frame_element_throw_when_detached(
page: Page, server: Server, utils: Utils
) -> None:
await page.goto(server.EMPTY_PAGE)
frame1 = await utils.attach_frame(page, "frame1", server.EMPTY_PAGE)
await page.eval_on_selector("#frame1", "e => e.remove()")
error: Optional[Error] = None
try:
await frame1.frame_element()
except Error as e:
error = e
assert error
assert error.message == "Frame.frame_element: Frame has been detached."
async def test_evaluate_throw_for_detached_frames(
page: Page, server: Server, utils: Utils
) -> None:
frame1 = await utils.attach_frame(page, "frame1", server.EMPTY_PAGE)
assert frame1
await utils.detach_frame(page, "frame1")
error: Optional[Error] = None
try:
await frame1.evaluate("7 * 8")
except Error as e:
error = e
assert error
assert "Frame was detached" in error.message
async def test_evaluate_isolated_between_frames(
page: Page, server: Server, utils: Utils
) -> None:
await page.goto(server.EMPTY_PAGE)
await utils.attach_frame(page, "frame1", server.EMPTY_PAGE)
assert len(page.frames) == 2
[frame1, frame2] = page.frames
assert frame1 != frame2
await asyncio.gather(
frame1.evaluate("window.a = 1"), frame2.evaluate("window.a = 2")
)
[a1, a2] = await asyncio.gather(
frame1.evaluate("window.a"), frame2.evaluate("window.a")
)
assert a1 == 1
assert a2 == 2
async def test_should_handle_nested_frames(
page: Page, server: Server, utils: Utils
) -> None:
await page.goto(server.PREFIX + "/frames/nested-frames.html")
assert utils.dump_frames(page.main_frame) == [
"http://localhost:<PORT>/frames/nested-frames.html",
" http://localhost:<PORT>/frames/frame.html (aframe)",
" http://localhost:<PORT>/frames/two-frames.html (2frames)",
" http://localhost:<PORT>/frames/frame.html (dos)",
" http://localhost:<PORT>/frames/frame.html (uno)",
]
async def test_should_send_events_when_frames_are_manipulated_dynamically(
page: Page, server: Server, utils: Utils
) -> None:
await page.goto(server.EMPTY_PAGE)
# validate frameattached events
attached_frames = []
page.on("frameattached", lambda frame: attached_frames.append(frame))
await utils.attach_frame(page, "frame1", "./assets/frame.html")
assert len(attached_frames) == 1
assert "/assets/frame.html" in attached_frames[0].url
# validate framenavigated events
navigated_frames = []
page.on("framenavigated", lambda frame: navigated_frames.append(frame))
await page.evaluate(
"""() => {
frame = document.getElementById('frame1')
frame.src = './empty.html'
return new Promise(x => frame.onload = x)
}"""
)
assert len(navigated_frames) == 1
assert navigated_frames[0].url == server.EMPTY_PAGE
# validate framedetached events
detached_frames = []
page.on("framedetached", lambda frame: detached_frames.append(frame))
await utils.detach_frame(page, "frame1")
assert len(detached_frames) == 1
assert detached_frames[0].is_detached()
async def test_framenavigated_when_navigating_on_anchor_urls(
page: Page, server: Server
) -> None:
await page.goto(server.EMPTY_PAGE)
async with page.expect_event("framenavigated"):
await page.goto(server.EMPTY_PAGE + "#foo")
assert page.url == server.EMPTY_PAGE + "#foo"
async def test_persist_main_frame_on_cross_process_navigation(
page: Page, server: Server
) -> None:
await page.goto(server.EMPTY_PAGE)
main_frame = page.main_frame
await page.goto(server.CROSS_PROCESS_PREFIX + "/empty.html")
assert page.main_frame == main_frame
async def test_should_not_send_attach_detach_events_for_main_frame(
page: Page, server: Server
) -> None:
has_events = []
page.on("frameattached", lambda frame: has_events.append(True))
page.on("framedetached", lambda frame: has_events.append(True))
await page.goto(server.EMPTY_PAGE)
assert has_events == []
async def test_detach_child_frames_on_navigation(page: Page, server: Server) -> None:
attached_frames = []
detached_frames = []
navigated_frames = []
page.on("frameattached", lambda frame: attached_frames.append(frame))
page.on("framedetached", lambda frame: detached_frames.append(frame))
page.on("framenavigated", lambda frame: navigated_frames.append(frame))
await page.goto(server.PREFIX + "/frames/nested-frames.html")
assert len(attached_frames) == 4
assert len(detached_frames) == 0
assert len(navigated_frames) == 5
attached_frames = []
detached_frames = []
navigated_frames = []
await page.goto(server.EMPTY_PAGE)
assert len(attached_frames) == 0
assert len(detached_frames) == 4
assert len(navigated_frames) == 1
async def test_framesets(page: Page, server: Server) -> None:
attached_frames = []
detached_frames = []
navigated_frames = []
page.on("frameattached", lambda frame: attached_frames.append(frame))
page.on("framedetached", lambda frame: detached_frames.append(frame))
page.on("framenavigated", lambda frame: navigated_frames.append(frame))
await page.goto(server.PREFIX + "/frames/frameset.html")
assert len(attached_frames) == 4
assert len(detached_frames) == 0
assert len(navigated_frames) == 5
attached_frames = []
detached_frames = []
navigated_frames = []
await page.goto(server.EMPTY_PAGE)
assert len(attached_frames) == 0
assert len(detached_frames) == 4
assert len(navigated_frames) == 1
async def test_frame_from_inside_shadow_dom(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/shadow.html")
await page.evaluate(
"""async url => {
frame = document.createElement('iframe');
frame.src = url;
document.body.shadowRoot.appendChild(frame);
await new Promise(x => frame.onload = x);
}""",
server.EMPTY_PAGE,
)
assert len(page.frames) == 2
assert page.frames[1].url == server.EMPTY_PAGE
async def test_frame_name(page: Page, server: Server, utils: Utils) -> None:
await utils.attach_frame(page, "theFrameId", server.EMPTY_PAGE)
await page.evaluate(
"""url => {
frame = document.createElement('iframe');
frame.name = 'theFrameName';
frame.src = url;
document.body.appendChild(frame);
return new Promise(x => frame.onload = x);
}""",
server.EMPTY_PAGE,
)
assert page.frames[0].name == ""
assert page.frames[1].name == "theFrameId"
assert page.frames[2].name == "theFrameName"
async def test_frame_parent(page: Page, server: Server, utils: Utils) -> None:
await utils.attach_frame(page, "frame1", server.EMPTY_PAGE)
await utils.attach_frame(page, "frame2", server.EMPTY_PAGE)
assert page.frames[0].parent_frame is None
assert page.frames[1].parent_frame == page.main_frame
assert page.frames[2].parent_frame == page.main_frame
async def test_should_report_different_frame_instance_when_frame_re_attaches(
page: Page, server: Server, utils: Utils
) -> None:
frame1 = await utils.attach_frame(page, "frame1", server.EMPTY_PAGE)
await page.evaluate(
"""() => {
window.frame = document.querySelector('#frame1')
window.frame.remove()
}"""
)
assert frame1.is_detached()
async with page.expect_event("frameattached") as frame2_info:
await page.evaluate("() => document.body.appendChild(window.frame)")
frame2 = await frame2_info.value
assert frame2.is_detached() is False
assert frame1 != frame2
async def test_strict_mode(page: Page, server: Server) -> None:
await page.goto(server.EMPTY_PAGE)
await page.set_content(
"""
<button>Hello</button>
<button>Hello</button>
"""
)
with pytest.raises(Error):
await page.text_content("button", strict=True)
with pytest.raises(Error):
await page.query_selector("button", strict=True)
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