public function testAnsiColorsAndEmojis()
{
$bar = new ProgressBar($output = $this->getOutputStream(), 15);
ProgressBar::setPlaceholderFormatterDefinition('memory', function (ProgressBar $bar) {
static $i = 0;
$mem = 100000 * $i;
$colors = $i++ ? '41;37' : '44;37';
return "[" . $colors . "m " . Helper::formatMemory($mem) . " [0m";
});
$bar->setFormat(" [44;37m %title:-37s% [0m\n %current%/%max% %bar% %percent:3s%%\n 🏁 %remaining:-10s% %memory:37s%");
$bar->setBarCharacter($done = "[32m●[0m");
$bar->setEmptyBarCharacter($empty = "[31m●[0m");
$bar->setProgressCharacter($progress = "[32m➤ [0m");
$bar->setMessage('Starting the demo... fingers crossed', 'title');
$bar->start();
$bar->setMessage('Looks good to me...', 'title');
$bar->advance(4);
$bar->setMessage('Thanks, bye', 'title');
$bar->finish();
rewind($output->getStream());
$this->assertEquals($this->generateOutput(" [44;37m Starting the demo... fingers crossed [0m\n" . " 0/15 " . $progress . str_repeat($empty, 26) . " 0%\n" . " 🏁 1 sec [44;37m 0 B [0m") . $this->generateOutput(" [44;37m Looks good to me... [0m\n" . " 4/15 " . str_repeat($done, 7) . $progress . str_repeat($empty, 19) . " 26%\n" . " 🏁 1 sec [41;37m 97 KiB [0m") . $this->generateOutput(" [44;37m Thanks, bye [0m\n" . " 15/15 " . str_repeat($done, 28) . " 100%\n" . " 🏁 1 sec [41;37m 195 KiB [0m"), stream_get_contents($output->getStream()));
}
private static function initPlaceholderFormatters()
{
return array('bar' => function (ProgressBar $bar, OutputInterface $output) {
$completeBars = floor($bar->getMaxSteps() > 0 ? $bar->getProgressPercent() * $bar->getBarWidth() : $bar->getProgress() % $bar->getBarWidth());
$display = str_repeat($bar->getBarCharacter(), $completeBars);
if ($completeBars < $bar->getBarWidth()) {
$emptyBars = $bar->getBarWidth() - $completeBars - Helper::strlenWithoutDecoration($output->getFormatter(), $bar->getProgressCharacter());
$display .= $bar->getProgressCharacter() . str_repeat($bar->getEmptyBarCharacter(), $emptyBars);
}
return $display;
}, 'elapsed' => function (ProgressBar $bar) {
return Helper::formatTime(time() - $bar->getStartTime());
}, 'remaining' => function (ProgressBar $bar) {
if (!$bar->getMaxSteps()) {
throw new \LogicException('Unable to display the remaining time if the maximum number of steps is not set.');
}
if (!$bar->getProgress()) {
$remaining = 0;
} else {
$remaining = round((time() - $bar->getStartTime()) / $bar->getProgress() * ($bar->getMaxSteps() - $bar->getProgress()));
}
return Helper::formatTime($remaining);
}, 'estimated' => function (ProgressBar $bar) {
if (!$bar->getMaxSteps()) {
throw new \LogicException('Unable to display the estimated time if the maximum number of steps is not set.');
}
if (!$bar->getProgress()) {
$estimated = 0;
} else {
$estimated = round((time() - $bar->getStartTime()) / $bar->getProgress() * $bar->getMaxSteps());
}
return Helper::formatTime($estimated);
}, 'memory' => function (ProgressBar $bar) {
return Helper::formatMemory(memory_get_usage(true));
}, 'current' => function (ProgressBar $bar) {
return str_pad($bar->getProgress(), $bar->getStepWidth(), ' ', STR_PAD_LEFT);
}, 'max' => function (ProgressBar $bar) {
return $bar->getMaxSteps();
}, 'percent' => function (ProgressBar $bar) {
return floor($bar->getProgressPercent() * 100);
});
}
/**
* Gets cell width.
*
* @param array $row
* @param int $column
*
* @return int
*/
private function getCellWidth(array $row, $column)
{
return isset($row[$column]) ? Helper::strlenWithoutDecoration($this->output->getFormatter(), $row[$column]) : 0;
}