progress_bar.php
db3667a62f66production

progress_bar.php
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			#!/usr/bin/env php
			<?php

			require_once dirname(__FILE__).'/../__init_script__.php';

			$args = new PhutilArgumentParser($argv);
			$args->parseStandardArguments();

			echo pht(
			"PROGRESS BAR TEST SCRIPT\n\n".
			"This script is a test script for `%s`. It will draw some progress bars, ".
			"and generally allow you to test bar behaviors and changes.",
			'PhutilConsoleProgressBar');
			echo "\n\n";
			echo pht(
			"GENERAL NOTES\n\n".
			" - When run as `%s`, no progress bars should be shown ".
			"(stderr is not a tty).\n".
			" - When run in a narrow terminal, the bar should resize automatically ".
			"to fit the terminal.\n".
			" - When run with `%s`, the bar should not be drawn.\n",
			'php -f progress_bar.php 2>&1 \| more',
			'--trace');
			echo "\n\n";

			echo pht('STANDARD PROGRESS BAR')."\n";
			$n = 80;
			$bar = id(new PhutilConsoleProgressBar())
			->setTotal($n);
			for ($ii = 0; $ii < $n; $ii++) {
			$bar->update(1);
			usleep(10000);
			}
			$bar->done();

			echo "\n".pht(
			"INTERRUPTED PROGRESS BAR\n".
			"This bar will be interrupted by an exception.\n".
			"It should clean itself up.")."\n";
			try {
			run_interrupt_bar();
			} catch (Exception $ex) {
			echo pht('Caught exception!')."\n";
			}


			function run_interrupt_bar() {
			$bar = id(new PhutilConsoleProgressBar())
			->setTotal(100);

			for ($ii = 0; $ii < 100; $ii++) {
			if ($ii === 20) {
			throw new Exception(pht('Boo!'));
			}
			$bar->update(1);
			usleep(10000);
			}
			}