test_page.py

# 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 os
import re

import pytest
from flaky import flaky

from playwright.async_api import Error, TimeoutError


async def test_close_should_reject_all_promises(context):
    new_page = await context.new_page()
    with pytest.raises(Error) as exc_info:
        await asyncio.gather(
            new_page.evaluate("() => new Promise(r => {})"), new_page.close()
        )
    assert "Protocol error" in exc_info.value.message


async def test_closed_should_not_visible_in_context_pages(context):
    page = await context.new_page()
    assert page in context.pages
    await page.close()
    assert page not in context.pages


async def test_close_should_run_beforeunload_if_asked_for(
    context, server, is_chromium, is_webkit
):
    page = await context.new_page()
    await page.goto(server.PREFIX + "/beforeunload.html")
    # We have to interact with a page so that 'beforeunload' handlers
    # fire.
    await page.click("body")

    async with page.expect_event("dialog") as dialog_info:
        await page.close(run_before_unload=True)
    dialog = await dialog_info.value

    assert dialog.type == "beforeunload"
    assert dialog.default_value == ""
    if is_chromium:
        assert dialog.message == ""
    elif is_webkit:
        assert dialog.message == "Leave?"
    else:
        assert (
            "This page is asking you to confirm that you want to leave"
            in dialog.message
        )
    async with page.expect_event("close"):
        await dialog.accept()


async def test_close_should_not_run_beforeunload_by_default(context, server):
    page = await context.new_page()
    await page.goto(server.PREFIX + "/beforeunload.html")
    # We have to interact with a page so that 'beforeunload' handlers
    # fire.
    await page.click("body")
    await page.close()


async def test_close_should_set_the_page_close_state(context):
    page = await context.new_page()
    assert page.is_closed() is False
    await page.close()
    assert page.is_closed()


async def test_close_should_terminate_network_waiters(context, server):
    page = await context.new_page()

    async def wait_for_request():
        with pytest.raises(Error) as exc_info:
            async with page.expect_request(server.EMPTY_PAGE):
                pass
        return exc_info.value

    async def wait_for_response():
        with pytest.raises(Error) as exc_info:
            async with page.expect_response(server.EMPTY_PAGE):
                pass
        return exc_info.value

    results = await asyncio.gather(
        wait_for_request(), wait_for_response(), page.close()
    )
    for i in range(2):
        error = results[i]
        assert "Page closed" in error.message
        assert "Timeout" not in error.message


async def test_close_should_be_callable_twice(context):
    page = await context.new_page()
    await asyncio.gather(
        page.close(),
        page.close(),
    )
    await page.close()


async def test_load_should_fire_when_expected(page):
    async with page.expect_event("load"):
        await page.goto("about:blank")


async def test_async_stacks_should_work(page, server):
    await page.route(
        "**/empty.html", lambda route, response: asyncio.create_task(route.abort())
    )
    with pytest.raises(Error) as exc_info:
        await page.goto(server.EMPTY_PAGE)
    assert __file__ in exc_info.value.stack


async def test_opener_should_provide_access_to_the_opener_page(page):
    async with page.expect_popup() as popup_info:
        await page.evaluate("window.open('about:blank')"),
    popup = await popup_info.value
    opener = await popup.opener()
    assert opener == page


async def test_opener_should_return_null_if_parent_page_has_been_closed(page):
    async with page.expect_popup() as popup_info:
        await page.evaluate("window.open('about:blank')"),
    popup = await popup_info.value
    await page.close()
    opener = await popup.opener()
    assert opener is None


async def test_domcontentloaded_should_fire_when_expected(page, server):
    future = asyncio.create_task(page.goto("about:blank"))
    async with page.expect_event("domcontentloaded"):
        pass
    await future


async def test_wait_for_request(page, server):
    await page.goto(server.EMPTY_PAGE)
    async with page.expect_request(server.PREFIX + "/digits/2.png") as request_info:
        await page.evaluate(
            """() => {
                fetch('/digits/1.png')
                fetch('/digits/2.png')
                fetch('/digits/3.png')
            }"""
        )
    request = await request_info.value
    assert request.url == server.PREFIX + "/digits/2.png"


async def test_wait_for_request_should_work_with_predicate(page, server):
    await page.goto(server.EMPTY_PAGE)
    async with page.expect_request(
        lambda request: request.url == server.PREFIX + "/digits/2.png"
    ) as request_info:
        await page.evaluate(
            """() => {
                fetch('/digits/1.png')
                fetch('/digits/2.png')
                fetch('/digits/3.png')
            }"""
        )
    request = await request_info.value
    assert request.url == server.PREFIX + "/digits/2.png"


async def test_wait_for_request_should_timeout(page, server):
    with pytest.raises(Error) as exc_info:
        async with page.expect_event("request", timeout=1):
            pass
    assert exc_info.type is TimeoutError


async def test_wait_for_request_should_respect_default_timeout(page, server):
    page.set_default_timeout(1)
    with pytest.raises(Error) as exc_info:
        async with page.expect_event("request", lambda _: False):
            pass
    assert exc_info.type is TimeoutError


async def test_wait_for_request_should_work_with_no_timeout(page, server):
    await page.goto(server.EMPTY_PAGE)
    async with page.expect_request(
        server.PREFIX + "/digits/2.png", timeout=0
    ) as request_info:
        await page.evaluate(
            """() => setTimeout(() => {
                fetch('/digits/1.png')
                fetch('/digits/2.png')
                fetch('/digits/3.png')
            }, 50)"""
        )
    request = await request_info.value
    assert request.url == server.PREFIX + "/digits/2.png"


async def test_wait_for_request_should_work_with_url_match(page, server):
    await page.goto(server.EMPTY_PAGE)
    async with page.expect_request(re.compile(r"digits\/\d\.png")) as request_info:
        await page.evaluate("fetch('/digits/1.png')")
    request = await request_info.value
    assert request.url == server.PREFIX + "/digits/1.png"


async def test_wait_for_event_should_fail_with_error_upon_disconnect(page):
    with pytest.raises(Error) as exc_info:
        async with page.expect_download():
            await page.close()
    assert "Page closed" in exc_info.value.message


async def test_wait_for_response_should_work(page, server):
    await page.goto(server.EMPTY_PAGE)
    async with page.expect_response(server.PREFIX + "/digits/2.png") as response_info:
        await page.evaluate(
            """() => {
                fetch('/digits/1.png')
                fetch('/digits/2.png')
                fetch('/digits/3.png')
            }"""
        )
    response = await response_info.value
    assert response.url == server.PREFIX + "/digits/2.png"


async def test_wait_for_response_should_respect_timeout(page):
    with pytest.raises(Error) as exc_info:
        async with page.expect_response("**/*", timeout=1):
            pass
    assert exc_info.type is TimeoutError


async def test_wait_for_response_should_respect_default_timeout(page):
    page.set_default_timeout(1)
    with pytest.raises(Error) as exc_info:
        async with page.expect_response(lambda _: False):
            pass
    assert exc_info.type is TimeoutError


async def test_wait_for_response_should_work_with_predicate(page, server):
    await page.goto(server.EMPTY_PAGE)
    async with page.expect_response(
        lambda response: response.url == server.PREFIX + "/digits/2.png"
    ) as response_info:
        await page.evaluate(
            """() => {
                fetch('/digits/1.png')
                fetch('/digits/2.png')
                fetch('/digits/3.png')
            }"""
        )
    response = await response_info.value
    assert response.url == server.PREFIX + "/digits/2.png"


async def test_wait_for_response_should_work_with_no_timeout(page, server):
    await page.goto(server.EMPTY_PAGE)
    async with page.expect_response(server.PREFIX + "/digits/2.png") as response_info:
        await page.evaluate(
            """() => {
                fetch('/digits/1.png')
                fetch('/digits/2.png')
                fetch('/digits/3.png')
            }"""
        )
    response = await response_info.value
    assert response.url == server.PREFIX + "/digits/2.png"


async def test_expose_binding(page):
    binding_source = []

    def binding(source, a, b):
        binding_source.append(source)
        return a + b

    await page.expose_binding("add", lambda source, a, b: binding(source, a, b))

    result = await page.evaluate("add(5, 6)")

    assert binding_source[0]["context"] == page.context
    assert binding_source[0]["page"] == page
    assert binding_source[0]["frame"] == page.main_frame
    assert result == 11


async def test_expose_function(page, server):
    await page.expose_function("compute", lambda a, b: a * b)
    result = await page.evaluate("compute(9, 4)")
    assert result == 36


async def test_expose_function_should_throw_exception_in_page_context(page, server):
    def throw():
        raise Exception("WOOF WOOF")

    await page.expose_function("woof", lambda: throw())
    result = await page.evaluate(
        """async() => {
            try {
                await woof()
            } catch (e) {
                return {message: e.message, stack: e.stack}
            }
        }"""
    )
    assert result["message"] == "WOOF WOOF"
    assert __file__ in result["stack"]


async def test_expose_function_should_be_callable_from_inside_add_init_script(page):
    called = []
    await page.expose_function("woof", lambda: called.append(True))
    await page.add_init_script("woof()")
    await page.reload()
    assert called == [True]


async def test_expose_function_should_survive_navigation(page, server):
    await page.expose_function("compute", lambda a, b: a * b)
    await page.goto(server.EMPTY_PAGE)
    result = await page.evaluate("compute(9, 4)")
    assert result == 36


async def test_expose_function_should_await_returned_promise(page):
    async def mul(a, b):
        return a * b

    await page.expose_function("compute", mul)
    assert await page.evaluate("compute(3, 5)") == 15


async def test_expose_function_should_work_on_frames(page, server):
    await page.expose_function("compute", lambda a, b: a * b)
    await page.goto(server.PREFIX + "/frames/nested-frames.html")
    frame = page.frames[1]
    assert await frame.evaluate("compute(3, 5)") == 15


async def test_expose_function_should_work_on_frames_before_navigation(page, server):
    await page.goto(server.PREFIX + "/frames/nested-frames.html")
    await page.expose_function("compute", lambda a, b: a * b)
    frame = page.frames[1]
    assert await frame.evaluate("compute(3, 5)") == 15


async def test_expose_function_should_work_after_cross_origin_navigation(page, server):
    await page.goto(server.EMPTY_PAGE)
    await page.expose_function("compute", lambda a, b: a * b)
    await page.goto(server.CROSS_PROCESS_PREFIX + "/empty.html")
    assert await page.evaluate("compute(9, 4)") == 36


async def test_expose_function_should_work_with_complex_objects(page, server):
    await page.expose_function("complexObject", lambda a, b: dict(x=a["x"] + b["x"]))
    result = await page.evaluate("complexObject({x: 5}, {x: 2})")
    assert result["x"] == 7


async def test_expose_bindinghandle_should_work(page, server):
    targets = []

    def logme(t):
        targets.append(t)
        return 17

    await page.expose_binding("logme", lambda source, t: logme(t), handle=True)
    result = await page.evaluate("logme({ foo: 42 })")
    assert (await targets[0].evaluate("x => x.foo")) == 42
    assert result == 17


async def test_page_error_should_fire(page, server, is_webkit):
    async with page.expect_event("pageerror") as error_info:
        await page.goto(server.PREFIX + "/error.html")
    error = await error_info.value
    assert error.name == "Error"
    assert error.message == "Fancy error!"
    stack = await page.evaluate("window.e.stack")
    # Note that WebKit reports the stack of the 'throw' statement instead of the Error constructor call.
    if is_webkit:
        stack = stack.replace("14:25", "15:19")
    assert error.stack == stack


async def test_page_error_should_handle_odd_values(page):
    cases = [["null", "null"], ["undefined", "undefined"], ["0", "0"], ['""', ""]]
    for [value, message] in cases:
        async with page.expect_event("pageerror") as error_info:
            await page.evaluate(f"() => setTimeout(() => {{ throw {value}; }}, 0)")
        error = await error_info.value
        assert error.message == message


async def test_page_error_should_handle_object(page, is_chromium):
    async with page.expect_event("pageerror") as error_info:
        await page.evaluate("() => setTimeout(() => { throw {}; }, 0)")
    error = await error_info.value
    assert error.message == "Object" if is_chromium else "[object Object]"


async def test_page_error_should_handle_window(page, is_chromium):
    async with page.expect_event("pageerror") as error_info:
        await page.evaluate("() => setTimeout(() => { throw window; }, 0)")
    error = await error_info.value
    assert error.message == "Window" if is_chromium else "[object Window]"


async def test_page_error_should_pass_error_name_property(page):
    async with page.expect_event("pageerror") as error_info:
        await page.evaluate(
            """() => setTimeout(() => {
            const error = new Error("my-message");
            error.name = "my-name";
            throw error;
        }, 0)
        """
        )
    error = await error_info.value
    assert error.message == "my-message"
    assert error.name == "my-name"


expected_output = "<html><head></head><body><div>hello</div></body></html>"


async def test_set_content_should_work(page, server):
    await page.set_content("<div>hello</div>")
    result = await page.content()
    assert result == expected_output


async def test_set_content_should_work_with_domcontentloaded(page, server):
    await page.set_content("<div>hello</div>", wait_until="domcontentloaded")
    result = await page.content()
    assert result == expected_output


async def test_set_content_should_work_with_doctype(page, server):
    doctype = "<!DOCTYPE html>"
    await page.set_content(f"{doctype}<div>hello</div>")
    result = await page.content()
    assert result == f"{doctype}{expected_output}"


async def test_set_content_should_work_with_HTML_4_doctype(page, server):
    doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">'
    await page.set_content(f"{doctype}<div>hello</div>")
    result = await page.content()
    assert result == f"{doctype}{expected_output}"


async def test_set_content_should_respect_timeout(page, server):
    img_path = "/img.png"
    # stall for image
    server.set_route(img_path, lambda request: None)
    with pytest.raises(Error) as exc_info:
        await page.set_content(
            f'<img src="{server.PREFIX + img_path}"></img>', timeout=1
        )
    assert exc_info.type is TimeoutError


async def test_set_content_should_respect_default_navigation_timeout(page, server):
    page.set_default_navigation_timeout(1)
    img_path = "/img.png"
    # stall for image
    await page.route(img_path, lambda route, request: None)

    with pytest.raises(Error) as exc_info:
        await page.set_content(f'<img src="{server.PREFIX + img_path}"></img>')
    assert "Timeout 1ms exceeded" in exc_info.value.message
    assert exc_info.type is TimeoutError


async def test_set_content_should_await_resources_to_load(page, server):
    img_path = "/img.png"
    img_route = asyncio.Future()
    await page.route(img_path, lambda route, request: img_route.set_result(route))
    loaded = []

    async def load():
        await page.set_content(f'<img src="{server.PREFIX + img_path}"></img>')
        loaded.append(True)

    content_promise = asyncio.create_task(load())
    await asyncio.sleep(0)  # execute scheduled tasks, but don't await them
    route = await img_route
    assert loaded == []
    asyncio.create_task(route.continue_())
    await content_promise


async def test_set_content_should_work_with_tricky_content(page):
    await page.set_content("<div>hello world</div>" + "\x7F")
    assert await page.eval_on_selector("div", "div => div.textContent") == "hello world"


async def test_set_content_should_work_with_accents(page):
    await page.set_content("<div>aberración</div>")
    assert await page.eval_on_selector("div", "div => div.textContent") == "aberración"


async def test_set_content_should_work_with_emojis(page):
    await page.set_content("<div>🐥</div>")
    assert await page.eval_on_selector("div", "div => div.textContent") == "🐥"


async def test_set_content_should_work_with_newline(page):
    await page.set_content("<div>\n</div>")
    assert await page.eval_on_selector("div", "div => div.textContent") == "\n"


async def test_add_script_tag_should_work_with_a_url(page, server):
    await page.goto(server.EMPTY_PAGE)
    script_handle = await page.add_script_tag(url="/injectedfile.js")
    assert script_handle.as_element()
    assert await page.evaluate("__injected") == 42


async def test_add_script_tag_should_work_with_a_url_and_type_module(page, server):
    await page.goto(server.EMPTY_PAGE)
    await page.add_script_tag(url="/es6/es6import.js", type="module")
    assert await page.evaluate("__es6injected") == 42


async def test_add_script_tag_should_work_with_a_path_and_type_module(
    page, server, assetdir
):
    await page.goto(server.EMPTY_PAGE)
    await page.add_script_tag(path=assetdir / "es6" / "es6pathimport.js", type="module")
    await page.wait_for_function("window.__es6injected")
    assert await page.evaluate("__es6injected") == 42


async def test_add_script_tag_should_work_with_a_content_and_type_module(page, server):
    await page.goto(server.EMPTY_PAGE)
    await page.add_script_tag(
        content="import num from '/es6/es6module.js';window.__es6injected = num;",
        type="module",
    )
    await page.wait_for_function("window.__es6injected")
    assert await page.evaluate("__es6injected") == 42


async def test_add_script_tag_should_throw_an_error_if_loading_from_url_fail(
    page, server
):
    await page.goto(server.EMPTY_PAGE)
    with pytest.raises(Error) as exc_info:
        await page.add_script_tag(url="/nonexistfile.js")
    assert exc_info.value


async def test_add_script_tag_should_work_with_a_path(page, server, assetdir):
    await page.goto(server.EMPTY_PAGE)
    script_handle = await page.add_script_tag(path=assetdir / "injectedfile.js")
    assert script_handle.as_element()
    assert await page.evaluate("__injected") == 42


@pytest.mark.skip_browser("webkit")
async def test_add_script_tag_should_include_source_url_when_path_is_provided(
    page, server, assetdir
):
    # Lacking sourceURL support in WebKit
    await page.goto(server.EMPTY_PAGE)
    await page.add_script_tag(path=assetdir / "injectedfile.js")
    result = await page.evaluate("__injectedError.stack")
    assert os.path.join("assets", "injectedfile.js") in result


async def test_add_script_tag_should_work_with_content(page, server):
    await page.goto(server.EMPTY_PAGE)
    script_handle = await page.add_script_tag(content="window.__injected = 35;")
    assert script_handle.as_element()
    assert await page.evaluate("__injected") == 35


@pytest.mark.skip_browser("firefox")
async def test_add_script_tag_should_throw_when_added_with_content_to_the_csp_page(
    page, server
):
    # Firefox fires onload for blocked script before it issues the CSP console error.
    await page.goto(server.PREFIX + "/csp.html")
    with pytest.raises(Error) as exc_info:
        await page.add_script_tag(content="window.__injected = 35;")
    assert exc_info.value


async def test_add_script_tag_should_throw_when_added_with_URL_to_the_csp_page(
    page, server
):
    await page.goto(server.PREFIX + "/csp.html")
    with pytest.raises(Error) as exc_info:
        await page.add_script_tag(url=server.CROSS_PROCESS_PREFIX + "/injectedfile.js")
    assert exc_info.value


async def test_add_script_tag_should_throw_a_nice_error_when_the_request_fails(
    page, server
):
    await page.goto(server.EMPTY_PAGE)
    url = server.PREFIX + "/this_does_not_exist.js"
    with pytest.raises(Error) as exc_info:
        await page.add_script_tag(url=url)
    assert url in exc_info.value.message


async def test_add_style_tag_should_work_with_a_url(page, server):
    await page.goto(server.EMPTY_PAGE)
    style_handle = await page.add_style_tag(url="/injectedstyle.css")
    assert style_handle.as_element()
    assert (
        await page.evaluate(
            "window.getComputedStyle(document.querySelector('body')).getPropertyValue('background-color')"
        )
        == "rgb(255, 0, 0)"
    )


async def test_add_style_tag_should_throw_an_error_if_loading_from_url_fail(
    page, server
):
    await page.goto(server.EMPTY_PAGE)
    with pytest.raises(Error) as exc_info:
        await page.add_style_tag(url="/nonexistfile.js")
    assert exc_info.value


async def test_add_style_tag_should_work_with_a_path(page, server, assetdir):
    await page.goto(server.EMPTY_PAGE)
    style_handle = await page.add_style_tag(path=assetdir / "injectedstyle.css")
    assert style_handle.as_element()
    assert (
        await page.evaluate(
            "window.getComputedStyle(document.querySelector('body')).getPropertyValue('background-color')"
        )
        == "rgb(255, 0, 0)"
    )


async def test_add_style_tag_should_include_source_url_when_path_is_provided(
    page, server, assetdir
):
    await page.goto(server.EMPTY_PAGE)
    await page.add_style_tag(path=assetdir / "injectedstyle.css")
    style_handle = await page.query_selector("style")
    style_content = await page.evaluate("style => style.innerHTML", style_handle)
    assert os.path.join("assets", "injectedstyle.css") in style_content


async def test_add_style_tag_should_work_with_content(page, server):
    await page.goto(server.EMPTY_PAGE)
    style_handle = await page.add_style_tag(content="body { background-color: green; }")
    assert style_handle.as_element()
    assert (
        await page.evaluate(
            "window.getComputedStyle(document.querySelector('body')).getPropertyValue('background-color')"
        )
        == "rgb(0, 128, 0)"
    )


async def test_add_style_tag_should_throw_when_added_with_content_to_the_CSP_page(
    page, server
):
    await page.goto(server.PREFIX + "/csp.html")
    with pytest.raises(Error) as exc_info:
        await page.add_style_tag(content="body { background-color: green; }")
    assert exc_info.value


async def test_add_style_tag_should_throw_when_added_with_URL_to_the_CSP_page(
    page, server
):
    await page.goto(server.PREFIX + "/csp.html")
    with pytest.raises(Error) as exc_info:
        await page.add_style_tag(url=server.CROSS_PROCESS_PREFIX + "/injectedstyle.css")
    assert exc_info.value


async def test_url_should_work(page, server):
    assert page.url == "about:blank"
    await page.goto(server.EMPTY_PAGE)
    assert page.url == server.EMPTY_PAGE


async def test_url_should_include_hashes(page, server):
    await page.goto(server.EMPTY_PAGE + "#hash")
    assert page.url == server.EMPTY_PAGE + "#hash"
    await page.evaluate("window.location.hash = 'dynamic'")
    assert page.url == server.EMPTY_PAGE + "#dynamic"


async def test_title_should_return_the_page_title(page, server):
    await page.goto(server.PREFIX + "/title.html")
    assert await page.title() == "Woof-Woof"


async def test_select_option_should_select_single_option(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.select_option("select", "blue")
    assert await page.evaluate("result.onInput") == ["blue"]
    assert await page.evaluate("result.onChange") == ["blue"]


async def test_select_option_should_select_single_option_by_value(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.select_option("select", "blue")
    assert await page.evaluate("result.onInput") == ["blue"]
    assert await page.evaluate("result.onChange") == ["blue"]


async def test_select_option_should_select_single_option_by_label(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.select_option("select", label="Indigo")
    assert await page.evaluate("result.onInput") == ["indigo"]
    assert await page.evaluate("result.onChange") == ["indigo"]


async def test_select_option_should_select_single_option_by_handle(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.select_option(
        "select", element=await page.query_selector("[id=whiteOption]")
    )
    assert await page.evaluate("result.onInput") == ["white"]
    assert await page.evaluate("result.onChange") == ["white"]


async def test_select_option_should_select_single_option_by_index(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.select_option("select", index=2)
    assert await page.evaluate("result.onInput") == ["brown"]
    assert await page.evaluate("result.onChange") == ["brown"]


async def test_select_option_should_select_only_first_option(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.select_option("select", ["blue", "green", "red"])
    assert await page.evaluate("result.onInput") == ["blue"]
    assert await page.evaluate("result.onChange") == ["blue"]


@flaky  # TODO: https://github.com/microsoft/playwright/issues/6725
async def test_select_option_should_not_throw_when_select_causes_navigation(
    page, server
):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.eval_on_selector(
        "select",
        "select => select.addEventListener('input', () => window.location = '/empty.html')",
    )
    async with page.expect_navigation():
        await page.select_option("select", "blue")
    assert "empty.html" in page.url


async def test_select_option_should_select_multiple_options(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.evaluate("makeMultiple()")
    await page.select_option("select", ["blue", "green", "red"])
    assert await page.evaluate("result.onInput") == ["blue", "green", "red"]
    assert await page.evaluate("result.onChange") == ["blue", "green", "red"]


async def test_select_option_should_select_multiple_options_with_attributes(
    page, server
):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.evaluate("makeMultiple()")
    await page.select_option(
        "select",
        value="blue",
        label="Green",
        index=4,
    )
    assert await page.evaluate("result.onInput") == ["blue", "gray", "green"]
    assert await page.evaluate("result.onChange") == ["blue", "gray", "green"]


async def test_select_option_should_respect_event_bubbling(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.select_option("select", "blue")
    assert await page.evaluate("result.onBubblingInput") == ["blue"]
    assert await page.evaluate("result.onBubblingChange") == ["blue"]


async def test_select_option_should_throw_when_element_is_not_a__select_(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    with pytest.raises(Error) as exc_info:
        await page.select_option("body", "")
    assert "Element is not a <select> element." in exc_info.value.message


async def test_select_option_should_return_on_no_matched_values(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    with pytest.raises(TimeoutError) as exc_info:
        await page.select_option("select", ["42", "abc"], timeout=1000)
    assert "Timeout 1000" in exc_info.value.message


async def test_select_option_should_return_an_array_of_matched_values(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.evaluate("makeMultiple()")
    result = await page.select_option("select", ["blue", "black", "magenta"])
    assert result == ["black", "blue", "magenta"]


async def test_select_option_should_return_an_array_of_one_element_when_multiple_is_not_set(
    page, server
):
    await page.goto(server.PREFIX + "/input/select.html")
    result = await page.select_option("select", ["42", "blue", "black", "magenta"])
    assert len(result) == 1


async def test_select_option_should_return_on_no_values(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    result = await page.select_option("select", [])
    assert result == []


async def test_select_option_should_not_allow_null_items(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.evaluate("makeMultiple()")
    with pytest.raises(Error) as exc_info:
        await page.select_option("select", ["blue", None, "black", "magenta"])
    assert "expected string, got object" in exc_info.value.message


async def test_select_option_should_unselect_with_null(page, server):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.evaluate("makeMultiple()")
    result = await page.select_option("select", ["blue", "black", "magenta"])
    assert result == ["black", "blue", "magenta"]
    await page.select_option("select", None)
    assert await page.eval_on_selector(
        "select",
        "select => Array.from(select.options).every(option => !option.selected)",
    )


async def test_select_option_should_deselect_all_options_when_passed_no_values_for_a_multiple_select(
    page, server
):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.evaluate("makeMultiple()")
    await page.select_option("select", ["blue", "black", "magenta"])
    await page.select_option("select", [])
    assert await page.eval_on_selector(
        "select",
        "select => Array.from(select.options).every(option => !option.selected)",
    )


async def test_select_option_should_deselect_all_options_when_passed_no_values_for_a_select_without_multiple(
    page, server
):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.select_option("select", ["blue", "black", "magenta"])
    await page.select_option("select", [])
    assert await page.eval_on_selector(
        "select",
        "select => Array.from(select.options).every(option => !option.selected)",
    )


async def test_select_option_should_work_when_re_defining_top_level_event_class(
    page, server
):
    await page.goto(server.PREFIX + "/input/select.html")
    await page.evaluate("window.Event = null")
    await page.select_option("select", "blue")
    assert await page.evaluate("result.onInput") == ["blue"]
    assert await page.evaluate("result.onChange") == ["blue"]


async def give_it_a_chance_to_fill(page):
    for i in range(5):
        await page.evaluate(
            "() => new Promise(f => requestAnimationFrame(() => requestAnimationFrame(f)))"
        )


async def test_fill_should_fill_textarea(page, server):
    await page.goto(server.PREFIX + "/input/textarea.html")
    await page.fill("textarea", "some value")
    assert await page.evaluate("result") == "some value"


async def test_fill_should_fill_input(page, server):
    await page.goto(server.PREFIX + "/input/textarea.html")
    await page.fill("input", "some value")
    assert await page.evaluate("result") == "some value"


async def test_fill_should_throw_on_unsupported_inputs(page, server):
    await page.goto(server.PREFIX + "/input/textarea.html")
    for type in [
        "button",
        "checkbox",
        "file",
        "image",
        "radio",
        "range",
        "reset",
        "submit",
    ]:
        await page.eval_on_selector(
            "input", "(input, type) => input.setAttribute('type', type)", type
        )
        with pytest.raises(Error) as exc_info:
            await page.fill("input", "")
        assert f'input of type "{type}" cannot be filled' in exc_info.value.message


async def test_fill_should_fill_different_input_types(page, server):
    await page.goto(server.PREFIX + "/input/textarea.html")
    for type in ["password", "search", "tel", "text", "url"]:
        await page.eval_on_selector(
            "input", "(input, type) => input.setAttribute('type', type)", type
        )
        await page.fill("input", "text " + type)
        assert await page.evaluate("result") == "text " + type


async def test_fill_should_fill_date_input_after_clicking(page, server):
    await page.set_content("<input type=date>")
    await page.click("input")
    await page.fill("input", "2020-03-02")
    assert await page.eval_on_selector("input", "input => input.value") == "2020-03-02"


@pytest.mark.skip_browser("webkit")
async def test_fill_should_throw_on_incorrect_date(page, server):
    # Disabled as in upstream, we should validate time in the Playwright lib
    await page.set_content("<input type=date>")
    with pytest.raises(Error) as exc_info:
        await page.fill("input", "2020-13-05")
    assert "Malformed value" in exc_info.value.message


async def test_fill_should_fill_time_input(page, server):
    await page.set_content("<input type=time>")
    await page.fill("input", "13:15")
    assert await page.eval_on_selector("input", "input => input.value") == "13:15"


@pytest.mark.skip_browser("webkit")
async def test_fill_should_throw_on_incorrect_time(page, server):
    # Disabled as in upstream, we should validate time in the Playwright lib
    await page.set_content("<input type=time>")
    with pytest.raises(Error) as exc_info:
        await page.fill("input", "25:05")
    assert "Malformed value" in exc_info.value.message


async def test_fill_should_fill_datetime_local_input(page, server):
    await page.set_content("<input type=datetime-local>")
    await page.fill("input", "2020-03-02T05:15")
    assert (
        await page.eval_on_selector("input", "input => input.value")
        == "2020-03-02T05:15"
    )


@pytest.mark.only_browser("chromium")
async def test_fill_should_throw_on_incorrect_datetime_local(page):
    await page.set_content("<input type=datetime-local>")
    with pytest.raises(Error) as exc_info:
        await page.fill("input", "abc")
    assert "Malformed value" in exc_info.value.message


async def test_fill_should_fill_contenteditable(page, server):
    await page.goto(server.PREFIX + "/input/textarea.html")
    await page.fill("div[contenteditable]", "some value")
    assert (
        await page.eval_on_selector("div[contenteditable]", "div => div.textContent")
        == "some value"
    )


async def test_fill_should_fill_elements_with_existing_value_and_selection(
    page, server
):
    await page.goto(server.PREFIX + "/input/textarea.html")

    await page.eval_on_selector("input", "input => input.value = 'value one'")
    await page.fill("input", "another value")
    assert await page.evaluate("result") == "another value"

    await page.eval_on_selector(
        "input",
        """input => {
        input.selectionStart = 1
        input.selectionEnd = 2
    }""",
    )

    await page.fill("input", "maybe this one")
    assert await page.evaluate("result") == "maybe this one"

    await page.eval_on_selector(
        "div[contenteditable]",
        """div => {
        div.innerHTML = 'some text <span>some more text<span> and even more text'
        range = document.createRange()
        range.selectNodeContents(div.querySelector('span'))
        selection = window.getSelection()
        selection.removeAllRanges()
        selection.addRange(range)
    }""",
    )

    await page.fill("div[contenteditable]", "replace with this")
    assert (
        await page.eval_on_selector("div[contenteditable]", "div => div.textContent")
        == "replace with this"
    )


async def test_fill_should_throw_when_element_is_not_an_input_textarea_or_contenteditable(
    page, server
):
    await page.goto(server.PREFIX + "/input/textarea.html")
    with pytest.raises(Error) as exc_info:
        await page.fill("body", "")
    assert "Element is not an <input>" in exc_info.value.message


async def test_fill_should_throw_if_passed_a_non_string_value(page, server):
    await page.goto(server.PREFIX + "/input/textarea.html")
    with pytest.raises(Error) as exc_info:
        await page.fill("textarea", 123)
    assert "expected string, got number" in exc_info.value.message


async def test_fill_should_retry_on_disabled_element(page, server):
    await page.goto(server.PREFIX + "/input/textarea.html")
    await page.eval_on_selector("input", "i => i.disabled = true")
    done = []

    async def fill():
        await page.fill("input", "some value")
        done.append(True)

    promise = asyncio.create_task(fill())
    await give_it_a_chance_to_fill(page)
    assert done == []
    assert await page.evaluate("result") == ""

    await page.eval_on_selector("input", "i => i.disabled = false")
    await promise
    assert await page.evaluate("result") == "some value"


async def test_fill_should_retry_on_readonly_element(page, server):
    await page.goto(server.PREFIX + "/input/textarea.html")
    await page.eval_on_selector("textarea", "i => i.readOnly = true")
    done = []

    async def fill():
        await page.fill("textarea", "some value")
        done.append(True)

    promise = asyncio.create_task(fill())
    await give_it_a_chance_to_fill(page)
    assert done == []
    assert await page.evaluate("result") == ""

    await page.eval_on_selector("textarea", "i => i.readOnly = false")
    await promise
    assert await page.evaluate("result") == "some value"


async def test_fill_should_retry_on_invisible_element(page, server):
    await page.goto(server.PREFIX + "/input/textarea.html")
    await page.eval_on_selector("input", "i => i.style.display = 'none'")
    done = []

    async def fill():
        await page.fill("input", "some value")
        done.append(True)

    promise = asyncio.create_task(fill())
    await give_it_a_chance_to_fill(page)
    assert done == []
    assert await page.evaluate("result") == ""

    await page.eval_on_selector("input", "i => i.style.display = 'inline'")
    await promise
    assert await page.evaluate("result") == "some value"


async def test_fill_should_be_able_to_fill_the_body(page):
    await page.set_content('<body contentEditable="true"></body>')
    await page.fill("body", "some value")
    assert await page.evaluate("document.body.textContent") == "some value"


async def test_fill_should_fill_fixed_position_input(page):
    await page.set_content('<input style="position: fixed;" />')
    await page.fill("input", "some value")
    assert await page.evaluate("document.querySelector('input').value") == "some value"


async def test_fill_should_be_able_to_fill_when_focus_is_in_the_wrong_frame(page):
    await page.set_content(
        """
      <div contentEditable="true"></div>
      <iframe></iframe>
    """
    )
    await page.focus("iframe")
    await page.fill("div", "some value")
    assert await page.eval_on_selector("div", "d => d.textContent") == "some value"


async def test_fill_should_be_able_to_fill_the_input_type_number_(page):
    await page.set_content('<input id="input" type="number"></input>')
    await page.fill("input", "42")
    assert await page.evaluate("input.value") == "42"


async def test_fill_should_be_able_to_fill_exponent_into_the_input_type_number_(page):
    await page.set_content('<input id="input" type="number"></input>')
    await page.fill("input", "-10e5")
    assert await page.evaluate("input.value") == "-10e5"


async def test_fill_should_be_able_to_fill_input_type_number__with_empty_string(page):
    await page.set_content('<input id="input" type="number" value="123"></input>')
    await page.fill("input", "")
    assert await page.evaluate("input.value") == ""


async def test_fill_should_not_be_able_to_fill_text_into_the_input_type_number_(page):
    await page.set_content('<input id="input" type="number"></input>')
    with pytest.raises(Error) as exc_info:
        await page.fill("input", "abc")
    assert "Cannot type text into input[type=number]" in exc_info.value.message


async def test_fill_should_be_able_to_clear(page, server):
    await page.goto(server.PREFIX + "/input/textarea.html")
    await page.fill("input", "some value")
    assert await page.evaluate("result") == "some value"
    await page.fill("input", "")
    assert await page.evaluate("result") == ""


async def test_close_event_should_work_with_window_close(page, server):
    async with page.expect_popup() as popup_info:
        await page.evaluate("window['newPage'] = window.open('about:blank')")
    popup = await popup_info.value

    async with popup.expect_event("close"):
        await page.evaluate("window['newPage'].close()")


async def test_close_event_should_work_with_page_close(context, server):
    page = await context.new_page()
    async with page.expect_event("close"):
        await page.close()


async def test_page_context_should_return_the_correct_browser_instance(page, context):
    assert page.context == context


async def test_frame_should_respect_name(page, server):
    await page.set_content("<iframe name=target></iframe>")
    assert page.frame(name="bogus") is None
    frame = page.frame(name="target")
    assert frame
    assert frame == page.main_frame.child_frames[0]


async def test_frame_should_respect_url(page, server):
    await page.set_content(f'<iframe src="{server.EMPTY_PAGE}"></iframe>')
    assert page.frame(url=re.compile(r"bogus")) is None
    assert page.frame(url=re.compile(r"empty")).url == server.EMPTY_PAGE


async def test_press_should_work(page, server):
    await page.goto(server.PREFIX + "/input/textarea.html")
    await page.press("textarea", "a")
    assert await page.evaluate("document.querySelector('textarea').value") == "a"


async def test_frame_press_should_work(page, server):
    await page.set_content(
        f'<iframe name=inner src="{server.PREFIX}/input/textarea.html"></iframe>'
    )
    frame = page.frame("inner")
    await frame.press("textarea", "a")
    assert await frame.evaluate("document.querySelector('textarea').value") == "a"


async def test_should_emulate_reduced_motion(page, server):
    assert await page.evaluate(
        "matchMedia('(prefers-reduced-motion: no-preference)').matches"
    )
    await page.emulate_media(reduced_motion="reduce")
    assert await page.evaluate("matchMedia('(prefers-reduced-motion: reduce)').matches")
    assert not await page.evaluate(
        "matchMedia('(prefers-reduced-motion: no-preference)').matches"
    )
    await page.emulate_media(reduced_motion="no-preference")
    assert not await page.evaluate(
        "matchMedia('(prefers-reduced-motion: reduce)').matches"
    )
    assert await page.evaluate(
        "matchMedia('(prefers-reduced-motion: no-preference)').matches"
    )