LinesOfALargeExecFutureTestCase.php
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	<?php

	/**
	* @group testcase
	*/
	final class LinesOfALargeExecFutureTestCase extends PhutilTestCase {

	// Most of the core functionality of LinesOfALarge is covered by the
	// LinesOfALargeFile test case, try to just cover exec-specific stuff here.

	public function testExecBasics() {
	$this->writeAndRead(
	"cat\ndog\nbird\n",
	array(
	"cat",
	"dog",
	"bird",
	));
	}

	public function testExecLargeFile() {
	$line = "The quick brown fox jumps over the lazy dog.";
	$n = 100;

	$this->writeAndRead(
	str_repeat($line."\n", $n),
	array_fill(0, $n, $line));
	}

	public function testExecLongLine() {
	$line = str_repeat('x', 64 * 1024);
	$this->writeAndRead($line, array($line));
	}

	public function testExecException() {
	$caught = null;
	try {
	$future = new ExecFuture('does-not-exist.exe.sh');
	foreach (new LinesOfALargeExecFuture($future) as $line) {
	// ignore
	}
	} catch (Exception $ex) {
	$caught = $ex;
	}
	$this->assertEqual(true, $caught instanceof CommandException);
	}

	private function writeAndRead($write, $read) {
	$future = new ExecFuture('cat');
	$future->write($write);

	$lines = array();
	foreach (new LinesOfALargeExecFuture($future) as $line) {
	$lines[] = $line;
	}

	$this->assertEqual(
	$read,
	$lines,
	"Write: ".phutil_utf8_shorten($write, 32));
	}

	}