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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 Page
async def test_should_work(page: Page) -> None:
await page.set_content("<div id=d1 tabIndex=0></div>")
assert await page.evaluate("() => document.activeElement.nodeName") == "BODY"
await page.focus("#d1")
assert await page.evaluate("() => document.activeElement.id") == "d1"
async def test_should_emit_focus_event(page: Page) -> None:
await page.set_content("<div id=d1 tabIndex=0></div>")
focused = []
await page.expose_function("focusEvent", lambda: focused.append(True))
await page.evaluate("() => d1.addEventListener('focus', focusEvent)")
await page.focus("#d1")
assert focused == [True]
async def test_should_emit_blur_event(page: Page) -> None:
await page.set_content(
"<div id=d1 tabIndex=0>DIV1</div><div id=d2 tabIndex=0>DIV2</div>"
)
await page.focus("#d1")
focused = []
blurred = []
await page.expose_function("focusEvent", lambda: focused.append(True))
await page.expose_function("blurEvent", lambda: blurred.append(True))
await page.evaluate("() => d1.addEventListener('blur', blurEvent)")
await page.evaluate("() => d2.addEventListener('focus', focusEvent)")
await page.focus("#d2")
assert focused == [True]
assert blurred == [True]
async def test_should_traverse_focus(page: Page) -> None:
await page.set_content('<input id="i1"><input id="i2">')
focused = []
await page.expose_function("focusEvent", lambda: focused.append(True))
await page.evaluate("() => i2.addEventListener('focus', focusEvent)")
await page.focus("#i1")
await page.keyboard.type("First")
await page.keyboard.press("Tab")
await page.keyboard.type("Last")
assert focused == [True]
assert await page.eval_on_selector("#i1", "e => e.value") == "First"
assert await page.eval_on_selector("#i2", "e => e.value") == "Last"
async def test_should_traverse_focus_in_all_directions(page: Page) -> None:
await page.set_content('<input value="1"><input value="2"><input value="3">')
await page.keyboard.press("Tab")
assert await page.evaluate("() => document.activeElement.value") == "1"
await page.keyboard.press("Tab")
assert await page.evaluate("() => document.activeElement.value") == "2"
await page.keyboard.press("Tab")
assert await page.evaluate("() => document.activeElement.value") == "3"
await page.keyboard.press("Shift+Tab")
assert await page.evaluate("() => document.activeElement.value") == "2"
await page.keyboard.press("Shift+Tab")
assert await page.evaluate("() => document.activeElement.value") == "1"
@pytest.mark.only_platform("darwin")
@pytest.mark.only_browser("webkit")
async def test_should_traverse_only_form_elements(page: Page) -> None:
await page.set_content(
"""
<input id="input-1">
<button id="button">button</button>
<a href id="link">link</a>
<input id="input-2">
"""
)
await page.keyboard.press("Tab")
assert await page.evaluate("() => document.activeElement.id") == "input-1"
await page.keyboard.press("Tab")
assert await page.evaluate("() => document.activeElement.id") == "input-2"
await page.keyboard.press("Shift+Tab")
assert await page.evaluate("() => document.activeElement.id") == "input-1"
await page.keyboard.press("Alt+Tab")
assert await page.evaluate("() => document.activeElement.id") == "button"
await page.keyboard.press("Alt+Tab")
assert await page.evaluate("() => document.activeElement.id") == "link"
await page.keyboard.press("Alt+Tab")
assert await page.evaluate("() => document.activeElement.id") == "input-2"
await page.keyboard.press("Alt+Shift+Tab")
assert await page.evaluate("() => document.activeElement.id") == "link"
await page.keyboard.press("Alt+Shift+Tab")
assert await page.evaluate("() => document.activeElement.id") == "button"
await page.keyboard.press("Alt+Shift+Tab")
assert await page.evaluate("() => document.activeElement.id") == "input-1"
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