Haketilo

    # Check that file preview link works.

    window0 = driver.window_handles[0]

    driver.find_element_by_link_text('report.spdx').click()

    WebDriverWait(driver, 10).until(lambda _: len(driver.window_handles) == 2)

    window1 = next(filter(lambda w: w != window0, driver.window_handles))

    driver.switch_to.window(window1)

    assert 'dummy report' in driver.page_source

    driver.close()

    driver.switch_to.window(window0)

    # Check that missing file causes the right error dialog to appear.

    execute_in_page(

        '''{

        async function steal_file(hash_key)

        {

            const db = await haketilodb.get();

            const transaction = db.transaction("files", "readwrite");

            transaction.objectStore("files").delete(hash_key);

        }

        returnval(steal_file(arguments[0]));

        }''',

        sample_files['LICENSES/CC0-1.0.txt']['hash_key'])

    driver.find_element_by_link_text('LICENSES/CC0-1.0.txt').click()

    WebDriverWait(driver, 10).until(lambda _: dialog_container.is_displayed())

    assert 'list_disabled' in ul.get_attribute('class')

    assert not preview_container.is_displayed()

    msg = execute_in_page('returnval(list_ctx.dialog_ctx.msg.textContent);')

    assert msg == "File missing from Haketilo's internal database :("

    execute_in_page('returnval(list_ctx.dialog_ctx.ok_but.click());')

    WebDriverWait(driver, 10).until(lambda _: preview_container.is_displayed())