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<?php
use MediaWiki\Shell\Command;
use Wikimedia\TestingAccessWrapper;
/**
* @covers \MediaWiki\Shell\Command
* @group Shell
*/
class CommandTest extends PHPUnit\Framework\TestCase {
use MediaWikiCoversValidator;
private function requirePosix() {
if ( wfIsWindows() ) {
$this->markTestSkipped( 'This test requires a POSIX environment.' );
}
}
/**
* @dataProvider provideExecute
*/
public function testExecute( $commandInput, $expectedExitCode, $expectedOutput ) {
$this->requirePosix();
$command = new Command();
$result = $command
->params( $commandInput )
->execute();
$this->assertSame( $expectedExitCode, $result->getExitCode() );
$this->assertSame( $expectedOutput, $result->getStdout() );
}
public function provideExecute() {
return [
'success status' => [ 'true', 0, '' ],
'failure status' => [ 'false', 1, '' ],
'output' => [ [ 'echo', '-n', 'x', '>', 'y' ], 0, 'x > y' ],
];
}
public function testEnvironment() {
$this->requirePosix();
$command = new Command();
$result = $command
->params( [ 'printenv', 'FOO' ] )
->environment( [ 'FOO' => 'bar' ] )
->execute();
$this->assertSame( "bar\n", $result->getStdout() );
}
public function testStdout() {
$this->requirePosix();
$command = new Command();
$result = $command
->params( 'bash', '-c', 'echo ThisIsStderr 1>&2' )
->execute();
$this->assertNotContains( 'ThisIsStderr', $result->getStdout() );
$this->assertEquals( "ThisIsStderr\n", $result->getStderr() );
}
public function testStdoutRedirection() {
$this->requirePosix();
$command = new Command();
$result = $command
->params( 'bash', '-c', 'echo ThisIsStderr 1>&2' )
->includeStderr( true )
->execute();
$this->assertEquals( "ThisIsStderr\n", $result->getStdout() );
$this->assertNull( $result->getStderr() );
}
public function testOutput() {
global $IP;
$this->requirePosix();
chdir( $IP );
$command = new Command();
$result = $command
->params( [ 'ls', 'index.php' ] )
->execute();
$this->assertRegExp( '/^index.php$/m', $result->getStdout() );
$this->assertSame( null, $result->getStderr() );
$command = new Command();
$result = $command
->params( [ 'ls', 'index.php', 'no-such-file' ] )
->includeStderr()
->execute();
$this->assertRegExp( '/^index.php$/m', $result->getStdout() );
$this->assertRegExp( '/^.+no-such-file.*$/m', $result->getStdout() );
$this->assertSame( null, $result->getStderr() );
$command = new Command();
$result = $command
->params( [ 'ls', 'index.php', 'no-such-file' ] )
->execute();
$this->assertRegExp( '/^index.php$/m', $result->getStdout() );
$this->assertRegExp( '/^.+no-such-file.*$/m', $result->getStderr() );
}
/**
* Test that null values are skipped by params() and unsafeParams()
*/
public function testNullsAreSkipped() {
$command = TestingAccessWrapper::newFromObject( new Command );
$command->params( 'echo', 'a', null, 'b' );
$command->unsafeParams( 'c', null, 'd' );
$this->assertEquals( "'echo' 'a' 'b' c d", $command->command );
}
public function testT69870() {
$commandLine = wfIsWindows()
// 333 = 331 + CRLF
? ( 'for /l %i in (1, 1, 1001) do @echo ' . str_repeat( '*', 331 ) )
: 'printf "%-333333s" "*"';
// Test several times because it involves a race condition that may randomly succeed or fail
for ( $i = 0; $i < 10; $i++ ) {
$command = new Command();
$output = $command->unsafeParams( $commandLine )
->execute()
->getStdout();
$this->assertEquals( 333333, strlen( $output ) );
}
}
public function testLogStderr() {
$this->requirePosix();
$logger = new TestLogger( true, function ( $message, $level, $context ) {
return $level === Psr\Log\LogLevel::ERROR ? '1' : null;
}, true );
$command = new Command();
$command->setLogger( $logger );
$command->params( 'bash', '-c', 'echo ThisIsStderr 1>&2' );
$command->execute();
$this->assertEmpty( $logger->getBuffer() );
$command = new Command();
$command->setLogger( $logger );
$command->logStderr();
$command->params( 'bash', '-c', 'echo ThisIsStderr 1>&2' );
$command->execute();
$this->assertSame( 1, count( $logger->getBuffer() ) );
$this->assertSame( trim( $logger->getBuffer()[0][2]['error'] ), 'ThisIsStderr' );
}
public function testInput() {
$this->requirePosix();
$command = new Command();
$command->params( 'cat' );
$command->input( 'abc' );
$result = $command->execute();
$this->assertSame( 'abc', $result->getStdout() );
// now try it with something that does not fit into a single block
$command = new Command();
$command->params( 'cat' );
$command->input( str_repeat( '!', 1000000 ) );
$result = $command->execute();
$this->assertSame( 1000000, strlen( $result->getStdout() ) );
// And try it with empty input
$command = new Command();
$command->params( 'cat' );
$command->input( '' );
$result = $command->execute();
$this->assertSame( '', $result->getStdout() );
}
}
|
