Function test_on_drop

tests/integration/test_upload.py:1086–1128

Test the on_drop event handler. Args: tmp_path: pytest tmp_path fixture upload_file: harness for UploadFile app. driver: WebDriver instance.

(
    tmp_path,
    upload_file: AppHarness,
    driver: WebDriver,
)

def test_on_drop(
    tmp_path,
    upload_file: AppHarness,
    driver: WebDriver,
):
    """Test the on_drop event handler.

    Args:
        tmp_path: pytest tmp_path fixture
        upload_file: harness for UploadFile app.
        driver: WebDriver instance.
    """
    assert upload_file.app_instance is not None
    poll_for_token(driver, upload_file)
    clear_btn = driver.find_element(By.ID, "clear_uploads")
    clear_btn.click()

    upload_box = get_upload_box(driver, upload_root_id="quaternary")
    assert upload_box

    exp_name = "drop_test.txt"
    exp_contents = "dropped file contents!"
    target_file = tmp_path / exp_name
    target_file.write_text(exp_contents)

    # Simulate file drop by directly setting the file input
    upload_box.send_keys(str(target_file))

    # Wait for the upload to complete.
    upload_done = driver.find_element(By.ID, "upload_done")
    assert upload_file.poll_for_value(upload_done, exp_not_equal="false") == "true"

    def exp_name_in_quaternary():
        quaternary_files = driver.find_element(By.ID, "quaternary_files").text
        if quaternary_files:
            files = json.loads(quaternary_files)
            return exp_name in files
        return False

    # Poll until the file names appear in the display
    AppHarness._poll_for(exp_name_in_quaternary)

    assert exp_name_in_quaternary()