function testDisplayingAltCurrency()
{
$w = getWidget();
foreach (array(array(Currencies\USD(), Currencies\BTC()), array(Currencies\BTC(), Currencies\USD())) as $pair) {
$w->currency = $pair[0];
$w->save();
$altCurrency = $pair[1];
$this->browseToWidget($w);
foreach ($this->xpathQuery("//div[@class='alt-amount']") as $div) {
assertTrue(contains($div->textContent, $altCurrency), "Alt-currency should be listed with unit {$altCurrency}");
}
}
}
function testProgressProperlyCalculated()
{
$w = getWidget();
$addr = getBitcoinAddr($btcBalance = 2);
# Case where widget uses BTC as base currency.
$w->bitcoinAddress = $addr;
$w->setGoal(4, Currencies\BTC());
$w->save();
$reloaded = Widget::getByID($w->id);
assertTrue($reloaded->progressPercent > 49 && $reloaded->progressPercent < 51);
# Case where widget uses fiat as base currency.
setPriceForBTC(Currencies\USD(), 100);
$w->bitcoinAddress = $addr;
$w->setGoal(600, Currencies\USD());
$w->save();
$reloaded = Widget::getByID($w->id);
$expected = 200 / 600 * 100;
assertTrue($reloaded->progressPercent > floor($expected) && $reloaded->progressPercent < ceil($expected));
}