progress_bar.php
4dfb8857a7dbproduction

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

			$root = dirname(dirname(dirname(__FILE__)));
			require_once $root.'/scripts/__init_script__.php';

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

			echo "PROGRESS BAR TEST SCRIPT\n\n";
			echo "This script is a test script for `PhutilConsoleProgressBar`. It will ".
			"draw some progress bars, and generally allow you to test bar behaviors ".
			"and changes.\n\n";

			echo "GENERAL NOTES\n\n";
			echo " - When run as `php -f progress_bar.php 2>&1 \| more`, no progress bars ".
			"should be shown (stderr is not a tty).\n";
			echo " - When run in a narrow terminal, the bar should resize automatically ".
			"to fit the terminal.\n";
			echo " - When run with `--trace`, the bar should not be drawn.\n";
			echo "\n\n";

			echo "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";
			echo "INTERRUPTED PROGRESS BAR\n";
			echo "This bar will be interrupted by an exception.\n";
			echo "It should clean itself up.\n";
			try {
			run_interrupt_bar();
			} catch (Exception $ex) {
			echo "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("Boo!");
			}
			$bar->update(1);
			usleep(10000);
			}
			}