Differential D15675 Diff 37877 src/future/exec/__tests__/ExecFutureTestCase.php

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src/future/exec/tests/ExecFutureTestCase.php

<?php		<?php

final class ExecFutureTestCase extends PhutilTestCase {		final class ExecFutureTestCase extends PhutilTestCase {

		// Do not use `cat` since on Windows, cat chokes after 8kb of STDIN input
		// Also `cat` is only available through Git for Windows package
		private static function cat() {
		return new ExecFuture('php -r %s', 'while($f=fgets(STDIN)){echo $f;}');
		BYKAuthorUnsubmitted Not Done Inline Actions I think I should replace these with `php -r %s`. LMK if you agree and I'll make the change. BYK: I think I should replace these with `php -r %s`. LMK if you agree and I'll make the change.
		}

		// `sleep` is only available through Git for Windows package on Windows
		private static function sleeper($seconds) {
		return new ExecFuture('php -r %s', "sleep($seconds);");
		}

public function testEmptyWrite() {		public function testEmptyWrite() {
// NOTE: This is mostly testing that we don't hang while doing an empty		// NOTE: This is mostly testing that we don't hang while doing an empty
// write.		// write.

list($stdout) = id(new ExecFuture('cat'))->write('')->resolvex();		list($stdout) = self::cat()->write('')->resolvex();

$this->assertEqual('', $stdout);		$this->assertEqual('', $stdout);
}		}

public function testKeepPipe() {		public function testKeepPipe() {
// NOTE: This is mostly testing the semantics of $keep_pipe in write().		// NOTE: This is mostly testing the semantics of $keep_pipe in write().

list($stdout) = id(new ExecFuture('cat'))		list($stdout) = self::cat()
->write('', true)		->write('', true)
->start()		->start()
->write('x', true)		->write('x', true)
->write('y', true)		->write('y', true)
->write('z', false)		->write('z', false)
->resolvex();		->resolvex();

$this->assertEqual('xyz', $stdout);		$this->assertEqual('xyz', $stdout);
}		}

public function testLargeBuffer() {		public function testLargeBuffer() {
// NOTE: This is mostly a coverage test to hit branches where we're still		// NOTE: This is mostly a coverage test to hit branches where we're still
// flushing a buffer.		// flushing a buffer.

$data = str_repeat('x', 1024 * 1024 * 4);		$data = str_repeat('x', 1024 * 1024 * 4);
list($stdout) = id(new ExecFuture('cat'))->write($data)->resolvex();		list($stdout) = self::cat()->write($data)->resolvex();

$this->assertEqual($data, $stdout);		$this->assertEqual($data, rtrim($stdout));
}		}

public function testBufferLimit() {		public function testBufferLimit() {
$data = str_repeat('x', 1024 * 1024);		$data = str_repeat('x', 1024 * 1024);
list($stdout) = id(new ExecFuture('cat'))		list($stdout) = self::cat()
->setStdoutSizeLimit(1024)		->setStdoutSizeLimit(1024)
->write($data)		->write($data)
->resolvex();		->resolvex();

$this->assertEqual(substr($data, 0, 1024), $stdout);		$this->assertEqual(substr($data, 0, 1024), $stdout);
}		}

public function testResolveTimeoutTestShouldRunLessThan1Sec() {		public function testResolveTimeoutTestShouldRunLessThan1Sec() {
// NOTE: This tests interactions between the resolve() timeout and the		// NOTE: This tests interactions between the resolve() timeout and the
// ExecFuture timeout, which are similar but not identical.		// ExecFuture timeout, which are similar but not identical.

$future = id(new ExecFuture('sleep 32000'))->start();		$future = self::sleeper(32000)->setTimeout(32000)->start();
$future->setTimeout(32000);

// We expect this to return in 0.01s.		// We expect this to return in 0.01s.
$result = $future->resolve(0.01);		$result = $future->resolve(0.01);
$this->assertEqual($result, null);		$this->assertEqual($result, null);

// We expect this to now force the time out / kill immediately. If we don't		// We expect this to now force the time out / kill immediately. If we don't
// do this, we'll hang when exiting until our subprocess exits (32000		// do this, we'll hang when exiting until our subprocess exits (32000
// seconds!)		// seconds!)
$future->setTimeout(0.01);		$future->setTimeout(0.01);
$future->resolve();		$future->resolve();
}		}


public function testTimeoutTestShouldRunLessThan1Sec() {		public function testTimeoutTestShouldRunLessThan1Sec() {
// NOTE: This is partly testing that we choose appropriate select wait		// NOTE: This is partly testing that we choose appropriate select wait
// times; this test should run for significantly less than 1 second.		// times; this test should run for significantly less than 1 second.

$future = new ExecFuture('sleep 32000');		$future = self::sleeper(32000);
list($err) = $future->setTimeout(0.01)->resolve();		list($err) = $future->setTimeout(0.01)->resolve();

$this->assertTrue($err > 0);		$this->assertTrue($err > 0);
$this->assertTrue($future->getWasKilledByTimeout());		$this->assertTrue($future->getWasKilledByTimeout());
}		}

public function testMultipleTimeoutsTestShouldRunLessThan1Sec() {		public function testMultipleTimeoutsTestShouldRunLessThan1Sec() {
$futures = array();		$futures = array();
for ($ii = 0; $ii < 4; $ii++) {		for ($ii = 0; $ii < 4; $ii++) {
$futures[] = id(new ExecFuture('sleep 32000'))->setTimeout(0.01);		$futures[] = self::sleeper(32000)->setTimeout(0.01);
}		}

foreach (new FutureIterator($futures) as $future) {		foreach (new FutureIterator($futures) as $future) {
list($err) = $future->resolve();		list($err) = $future->resolve();

$this->assertTrue($err > 0);		$this->assertTrue($err > 0);
$this->assertTrue($future->getWasKilledByTimeout());		$this->assertTrue($future->getWasKilledByTimeout());
}		}
}		}

public function testNoHangOnExecFutureDestructionWithRunningChild() {		public function testNoHangOnExecFutureDestructionWithRunningChild() {
$start = microtime(true);		$start = microtime(true);
$future = new ExecFuture('sleep 30');		$future = self::sleeper(30);
$future->start();		$future->start();
unset($future);		unset($future);
$end = microtime(true);		$end = microtime(true);

// If ExecFuture::__destruct() hangs until the child closes, we won't make		// If ExecFuture::__destruct() hangs until the child closes, we won't make
// it here in time.		// it here in time.
$this->assertTrue(($end - $start) < 5);		$this->assertTrue(($end - $start) < 5);
}		}
Show All 10 Lines	public function testMultipleResolves() {
$this->assertEqual(0, $err);		$this->assertEqual(0, $err);
}		}

public function testReadBuffering() {		public function testReadBuffering() {
$str_len_8 = 'abcdefgh';		$str_len_8 = 'abcdefgh';
$str_len_4 = 'abcd';		$str_len_4 = 'abcd';

// This is a write/read with no read buffer.		// This is a write/read with no read buffer.
$future = new ExecFuture('cat');		$future = self::cat();
$future->write($str_len_8);		$future->write($str_len_8);

do {		do {
$future->isReady();		$future->isReady();
list($read) = $future->read();		list($read) = $future->read();
if (strlen($read)) {		if (strlen($read)) {
break;		break;
}		}
} while (true);		} while (true);

// We expect to get the entire string back in the read.		// We expect to get the entire string back in the read.
$this->assertEqual($str_len_8, $read);		$this->assertEqual($str_len_8, $read);
$future->resolve();		$future->resolve();


// This is a write/read with a read buffer.		// This is a write/read with a read buffer.
$future = new ExecFuture('cat');		$future = self::cat();
$future->write($str_len_8);		$future->write($str_len_8);

// Set the read buffer size.		// Set the read buffer size.
$future->setReadBufferSize(4);		$future->setReadBufferSize(4);
do {		do {
$future->isReady();		$future->isReady();
list($read) = $future->read();		list($read) = $future->read();
if (strlen($read)) {		if (strlen($read)) {
Show All 13 Lines