Function test_should_upload_large_file

tests/async/test_input.py:318–361

(
    page: Page, server: Server, tmp_path: Path
)

async def test_should_upload_large_file(
    page: Page, server: Server, tmp_path: Path
) -> None:
    await page.goto(server.PREFIX + "/input/fileupload.html")
    large_file_path = tmp_path / "200MB.zip"
    data = b"A" * 1024
    with large_file_path.open("wb") as f:
        for i in range(0, 200 * 1024 * 1024, len(data)):
            f.write(data)
    input = page.locator('input[type="file"]')
    events = await input.evaluate_handle(
        """
        e => {
            const events = [];
            e.addEventListener('input', () => events.push('input'));
            e.addEventListener('change', () => events.push('change'));
            return events;
        }
    """
    )

    await input.set_input_files(large_file_path)
    assert await input.evaluate("e => e.files[0].name") == "200MB.zip"
    assert await events.evaluate("e => e") == ["input", "change"]

    [request, _] = await asyncio.gather(
        server.wait_for_request("/upload"),
        page.click("input[type=submit]"),
    )

    contents = request.args[b"file1"][0]
    assert len(contents) == 200 * 1024 * 1024
    assert contents[:1024] == data
    # flake8: noqa: E203
    assert contents[len(contents) - 1024 :] == data
    assert request.post_body
    match = re.search(
        rb'^.*Content-Disposition: form-data; name="(?P<name>.*)"; filename="(?P<filename>.*)".*$',
        request.post_body,
        re.MULTILINE,
    )
    assert match
    assert match.group("name") == b"file1"
    assert match.group("filename") == b"200MB.zip"


async def test_set_input_files_should_preserve_last_modified_timestamp(