async def test_should_emit_event(page: Page, server):
await page.setContent("<input type=file>")
fc_done: asyncio.Future = asyncio.Future()
page.once("filechooser", lambda file_chooser: fc_done.set_result(file_chooser))
await page.click("input")
file_chooser = await fc_done
assert file_chooser
async def test_should_be_able_to_reset_selected_files_with_empty_file_list(
page: Page, server):
await page.set_content("<input type=file>")
page.once("filechooser",
lambda file_chooser: file_chooser.set_files(FILE_TO_UPLOAD))
file_length = 0
async with page.expect_file_chooser():
file_length = await page.eval_on_selector(
"input",
"""async picker => {
picker.click();
await new Promise(x => picker.oninput = x);
return picker.files.length;
}""",
)
assert file_length == 1
page.once("filechooser", lambda file_chooser: file_chooser.set_files([]))
async with page.expect_file_chooser():
file_length = await page.eval_on_selector(
"input",
"""async picker => {
picker.click();
await new Promise(x => picker.oninput = x);
return picker.files.length;
}""",
)
assert file_length == 0
async def test_should_emit_event(page: Page):
await page.set_content("<input type=file>")
fc_done: asyncio.Future = asyncio.Future()
page.once("filechooser",
lambda file_chooser: fc_done.set_result(file_chooser))
await page.click("input")
file_chooser = await fc_done
assert file_chooser
assert (
repr(file_chooser) ==
f"<FileChooser page={file_chooser.page} element={file_chooser.element}>"
)
async def test_console_should_work(page: Page, server):
messages: List[ConsoleMessage] = []
page.once("console", lambda m: messages.append(m))
async with page.expect_console_message() as message_info:
await page.evaluate('() => console.log("hello", 5, {foo: "bar"})')
message = await message_info.value
assert message.text == "hello 5 JSHandle@object"
assert str(message) == "hello 5 JSHandle@object"
assert message.type == "log"
assert await message.args[0].json_value() == "hello"
assert await message.args[1].json_value() == 5
assert await message.args[2].json_value() == {"foo": "bar"}
async def test_console_should_work(page: Page, server):
messages: List[ConsoleMessage] = []
page.once("console", lambda m: messages.append(m))
await asyncio.gather(
page.evaluate('() => console.log("hello", 5, {foo: "bar"})'),
page.wait_for_event("console"),
)
assert len(messages) == 1
message = messages[0]
assert message.text == "hello 5 JSHandle@object"
assert str(message) == "hello 5 JSHandle@object"
assert message.type == "log"
assert await message.args[0].json_value() == "hello"
assert await message.args[1].json_value() == 5
assert await message.args[2].json_value() == {"foo": "bar"}
async def test_should_be_able_to_read_selected_file(page: Page):
page.once("filechooser",
lambda file_chooser: file_chooser.set_files(FILE_TO_UPLOAD))
await page.set_content("<input type=file>")
content = await page.eval_on_selector(
"input",
"""async picker => {
picker.click();
await new Promise(x => picker.oninput = x);
const reader = new FileReader();
const promise = new Promise(fulfill => reader.onload = fulfill);
reader.readAsText(picker.files[0]);
return promise.then(() => reader.result);
}""",
)
assert content == "contents of the file\n"
async def test_should_be_able_to_reset_selected_files_with_empty_file_list(
page: Page, server
):
await page.setContent("<input type=file>")
page.once(
"filechooser",
lambda file_chooser: asyncio.create_task(file_chooser.setFiles(FILE_TO_UPLOAD)),
)
file_length_1 = (
await asyncio.gather(
page.waitForEvent("filechooser"),
page.evalOnSelector(
"input",
"""async picker => {
picker.click();
await new Promise(x => picker.oninput = x);
return picker.files.length;
}""",
),
)
)[1]
assert file_length_1 == 1
page.once(
"filechooser",
lambda file_chooser: asyncio.create_task(file_chooser.setFiles([])),
)
file_length_2 = (
await asyncio.gather(
page.waitForEvent("filechooser"),
page.evalOnSelector(
"input",
"""async picker => {
picker.click()
await new Promise(x => picker.oninput = x)
return picker.files.length
}""",
),
)
)[1]
assert file_length_2 == 0
