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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
import pytest
from playwright.async_api import Error, Locator, Page, expect
from tests.server import Server
from tests.utils import TARGET_CLOSED_ERROR_MESSAGE
async def test_should_work(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
before_count = 0
after_count = 0
original_locator = page.get_by_text("This interstitial covers the button")
async def handler(locator: Locator) -> None:
assert locator == original_locator
nonlocal before_count
nonlocal after_count
before_count += 1
await page.locator("#close").click()
after_count += 1
await page.add_locator_handler(original_locator, handler)
for args in [
["mouseover", 1],
["mouseover", 1, "capture"],
["mouseover", 2],
["mouseover", 2, "capture"],
["pointerover", 1],
["pointerover", 1, "capture"],
["none", 1],
["remove", 1],
["hide", 1],
]:
await page.locator("#aside").hover()
before_count = 0
after_count = 0
await page.evaluate(
"(args) => { window.clicked = 0; window.setupAnnoyingInterstitial(...args); }",
args,
)
assert before_count == 0
assert after_count == 0
await page.locator("#target").click()
assert before_count == args[1]
assert after_count == args[1]
assert await page.evaluate("window.clicked") == 1
await expect(page.locator("#interstitial")).not_to_be_visible()
async def test_should_work_with_a_custom_check(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
async def handler() -> None:
if await page.get_by_text("This interstitial covers the button").is_visible():
await page.locator("#close").click()
await page.add_locator_handler(page.locator("body"), handler, no_wait_after=True)
for args in [
["mouseover", 2],
["none", 1],
["remove", 1],
["hide", 1],
]:
await page.locator("#aside").hover()
await page.evaluate(
"(args) => { window.clicked = 0; window.setupAnnoyingInterstitial(...args); }",
args,
)
await page.locator("#target").click()
assert await page.evaluate("window.clicked") == 1
await expect(page.locator("#interstitial")).not_to_be_visible()
async def test_should_work_with_locator_hover(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
await page.add_locator_handler(
page.get_by_text("This interstitial covers the button"),
lambda: page.locator("#close").click(),
)
await page.locator("#aside").hover()
await page.evaluate(
'() => { window.setupAnnoyingInterstitial("pointerover", 1, "capture"); }'
)
await page.locator("#target").hover()
await expect(page.locator("#interstitial")).not_to_be_visible()
assert (
await page.eval_on_selector(
"#target", "e => window.getComputedStyle(e).backgroundColor"
)
== "rgb(255, 255, 0)"
)
async def test_should_not_work_with_force_true(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
await page.add_locator_handler(
page.get_by_text("This interstitial covers the button"),
lambda: page.locator("#close").click(),
)
await page.locator("#aside").hover()
await page.evaluate('() => { window.setupAnnoyingInterstitial("none", 1); }')
await page.locator("#target").click(force=True, timeout=2000)
assert await page.locator("#interstitial").is_visible()
assert await page.evaluate("window.clicked") is None
async def test_should_throw_when_page_closes(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
await page.add_locator_handler(
page.get_by_text("This interstitial covers the button"), lambda: page.close()
)
await page.locator("#aside").hover()
await page.evaluate(
'() => { window.clicked = 0; window.setupAnnoyingInterstitial("mouseover", 1); }'
)
with pytest.raises(Error) as exc:
await page.locator("#target").click()
assert TARGET_CLOSED_ERROR_MESSAGE in exc.value.message
async def test_should_throw_when_handler_times_out(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
called = 0
stall_future: asyncio.Future[None] = asyncio.Future()
async def handler() -> None:
nonlocal called
called += 1
# Deliberately timeout.
await stall_future
await page.add_locator_handler(
page.get_by_text("This interstitial covers the button"), handler
)
await page.locator("#aside").hover()
await page.evaluate(
'() => { window.clicked = 0; window.setupAnnoyingInterstitial("mouseover", 1); }'
)
with pytest.raises(Error) as exc:
await page.locator("#target").click(timeout=3000)
assert "Timeout 3000ms exceeded" in exc.value.message
with pytest.raises(Error) as exc:
await page.locator("#target").click(timeout=3000)
assert "Timeout 3000ms exceeded" in exc.value.message
# Should not enter the same handler while it is still running.
assert called == 1
stall_future.cancel()
async def test_should_work_with_to_be_visible(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
called = 0
async def handler() -> None:
nonlocal called
called += 1
await page.locator("#close").click()
await page.add_locator_handler(
page.get_by_text("This interstitial covers the button"), handler
)
await page.evaluate(
'() => { window.clicked = 0; window.setupAnnoyingInterstitial("remove", 1); }'
)
await expect(page.locator("#target")).to_be_visible()
await expect(page.locator("#interstitial")).not_to_be_visible()
assert called == 1
async def test_should_work_when_owner_frame_detaches(
page: Page, server: Server
) -> None:
await page.goto(server.EMPTY_PAGE)
await page.evaluate(
"""
() => {
const iframe = document.createElement('iframe');
iframe.src = 'data:text/html,<body>hello from iframe</body>';
document.body.append(iframe);
const target = document.createElement('button');
target.textContent = 'Click me';
target.id = 'target';
target.addEventListener('click', () => window._clicked = true);
document.body.appendChild(target);
const closeButton = document.createElement('button');
closeButton.textContent = 'close';
closeButton.id = 'close';
closeButton.addEventListener('click', () => iframe.remove());
document.body.appendChild(closeButton);
}
"""
)
await page.add_locator_handler(
page.frame_locator("iframe").locator("body"),
lambda: page.locator("#close").click(),
)
await page.locator("#target").click()
assert await page.query_selector("iframe") is None
assert await page.evaluate("window._clicked") is True
async def test_should_work_with_times_option(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
called = 0
def _handler() -> None:
nonlocal called
called += 1
await page.add_locator_handler(
page.locator("body"), _handler, no_wait_after=True, times=2
)
await page.locator("#aside").hover()
await page.evaluate(
"""
() => {
window.clicked = 0;
window.setupAnnoyingInterstitial('mouseover', 4);
}
"""
)
with pytest.raises(Error) as exc_info:
await page.locator("#target").click(timeout=3000)
assert called == 2
assert await page.evaluate("window.clicked") == 0
await expect(page.locator("#interstitial")).to_be_visible()
assert "Timeout 3000ms exceeded" in exc_info.value.message
assert (
'<div>This interstitial covers the button</div> from <div class="visible" id="interstitial">…</div> subtree intercepts pointer events'
in exc_info.value.message
)
async def test_should_wait_for_hidden_by_default(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
called = 0
async def _handler(button: Locator) -> None:
nonlocal called
called += 1
await button.click()
await page.add_locator_handler(page.get_by_role("button", name="close"), _handler)
await page.locator("#aside").hover()
await page.evaluate(
"""
() => {
window.clicked = 0;
window.setupAnnoyingInterstitial('timeout', 1);
}
"""
)
await page.locator("#target").click()
assert await page.evaluate("window.clicked") == 1
await expect(page.locator("#interstitial")).not_to_be_visible()
assert called == 1
async def test_should_wait_for_hidden_by_default_2(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
called = 0
def _handler() -> None:
nonlocal called
called += 1
await page.add_locator_handler(page.get_by_role("button", name="close"), _handler)
await page.locator("#aside").hover()
await page.evaluate(
"""
() => {
window.clicked = 0;
window.setupAnnoyingInterstitial('hide', 1);
}
"""
)
with pytest.raises(Error) as exc_info:
await page.locator("#target").click(timeout=3000)
assert await page.evaluate("window.clicked") == 0
assert await page.locator("#interstitial").is_visible()
assert called == 1
assert (
'locator handler has finished, waiting for get_by_role("button", name="close") to be hidden'
in exc_info.value.message
)
async def test_should_work_with_noWaitAfter(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
called = 0
async def _handler(button: Locator) -> None:
nonlocal called
called += 1
if called == 1:
await button.click()
else:
await page.locator("#interstitial").wait_for(state="hidden")
await page.add_locator_handler(
page.get_by_role("button", name="close"), _handler, no_wait_after=True
)
await page.locator("#aside").hover()
await page.evaluate(
"""
() => {
window.clicked = 0;
window.setupAnnoyingInterstitial('timeout', 1);
}
"""
)
await page.locator("#target").click()
assert await page.evaluate("window.clicked") == 1
await expect(page.locator("#interstitial")).not_to_be_visible()
assert called == 2
async def test_should_removeLocatorHandler(page: Page, server: Server) -> None:
await page.goto(server.PREFIX + "/input/handle-locator.html")
called = 0
async def _handler(locator: Locator) -> None:
nonlocal called
called += 1
await locator.click()
await page.add_locator_handler(page.get_by_role("button", name="close"), _handler)
await page.evaluate(
"""
() => {
window.clicked = 0;
window.setupAnnoyingInterstitial('hide', 1);
}
"""
)
await page.locator("#target").click()
assert called == 1
assert await page.evaluate("window.clicked") == 1
await expect(page.locator("#interstitial")).not_to_be_visible()
await page.evaluate(
"""
() => {
window.clicked = 0;
window.setupAnnoyingInterstitial('hide', 1);
}
"""
)
await page.remove_locator_handler(page.get_by_role("button", name="close"))
with pytest.raises(Error) as error:
await page.locator("#target").click(timeout=3000)
assert called == 1
assert await page.evaluate("window.clicked") == 0
await expect(page.locator("#interstitial")).to_be_visible()
assert "Timeout 3000ms exceeded" in error.value.message
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