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PhutilShellLexerTestCase.php
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Fri, Jul 18, 00:24

PhutilShellLexerTestCase.php
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<?php
final class PhutilShellLexerTestCase extends PhutilTestCase {
public function testShellLexer() {
$dir = dirname(__FILE__).'/shell';
foreach (Filesystem::listDirectory($dir, $hidden = false) as $file) {
$data = Filesystem::readFile($dir.'/'.$file);
$data = rtrim($data, "\n");
$this->runLexer($file, $data);
}
}
private function runLexer($file, $data) {
$lexer = new PhutilShellLexer();
$initial_state = 'start';
$caught = null;
$tokens = null;
try {
$tokens = $lexer->getTokens($data, $initial_state);
} catch (Exception $ex) {
$caught = $ex;
}
$argv = null;
try {
$argv = $lexer->splitArguments($data);
} catch (Exception $ex) {
// Ignore; not diagnostically useful.
}
switch ($file) {
case 'basic.txt':
$this->assertEqual(null, $caught);
$this->assertEqual(
array(
array('arg', 'arg1', null),
array(' ', ' ', null),
array('arg', 'arg2', null),
array(' ', ' ', null),
array('arg', 'arg3', null),
),
$tokens,
$file);
$this->assertEqual(
array(
'arg1',
'arg2',
'arg3',
),
$argv,
$file);
break;
case 'escape.txt':
$this->assertEqual(null, $caught);
$this->assertEqual(
array(
array("'", "'", null),
array('arg', '\\', null),
array("'", "'", null),
array(' ', ' ', null),
array('"', '"', null),
array('esc', '\\"', null),
array('"', '"', null),
),
$tokens,
$file);
$this->assertEqual(
array(
'\\',
'"',
),
$argv,
$file);
break;
case 'slashes.txt':
$this->assertEqual(null, $caught);
$this->assertEqual(
array(
array('arg', 'a', null),
array('esc', '\\ ', null),
array('arg', 'b', null),
array(' ', ' ', null),
array("'", "'", null),
array('arg', 'a\\b', null),
array("'", "'", null),
array(' ', ' ', null),
array('"', '"', null),
array('arg', 'a', null),
array('arg', '\\b', null),
array('"', '"', null),
array(' ', ' ', null),
array('"', '"', null),
array('esc', '\\$', null),
array('esc', '\\`', null),
array('esc', '\\\\', null),
array('esc', '\\"', null),
array('esc', '\\'."\n", null),
array('arg', 'xyz', null),
array('"', '"', null),
),
$tokens,
$file);
$this->assertEqual(
array(
'a b',
'a\\b',
'a\\b',
'$`\\"'."\n".'xyz',
),
$argv,
$file);
break;
case 'spaces.txt':
$this->assertEqual(
array(
array('arg', 'arg1', null),
array(' ', ' ', null),
array('arg', 'arg2', null),
array(' ', ' ', null),
array('arg', 'arg3', null),
),
$tokens,
$file);
$this->assertEqual(
array(
'arg1',
'arg2',
'arg3',
),
$argv,
$file);
break;
case 'strings.txt':
$this->assertEqual(null, $caught);
$this->assertEqual(
array(
array('arg', 'a', null),
array(' ', ' ', null),
array("'", "'", null),
array('arg', 'b', null),
array("'", "'", null),
array(' ', ' ', null),
array('"', '"', null),
array('arg', 'c', null),
array('"', '"', null),
array(' ', ' ', null),
array("'", "'", null),
array('arg', 'd', null),
array("'", "'", null),
array("'", "'", null),
array('arg', 'e', null),
array("'", "'", null),
array(' ', ' ', null),
array('"', '"', null),
array('arg', 'f', null),
array('"', '"', null),
array('"', '"', null),
array('arg', 'g', null),
array('"', '"', null),
array(' ', ' ', null),
array('"', '"', null),
array('arg', 'h', null),
array('"', '"', null),
array('"', '"', null),
array('arg', "'", null),
array('"', '"', null),
array('"', '"', null),
array('arg', 'i', null),
array('"', '"', null),
),
$tokens,
$file);
$this->assertEqual(
array(
'a',
'b',
'c',
'de',
'fg',
'h\'i',
),
$argv,
$file);
break;
case 'unterminated.txt':
$this->assertEqual(null, $caught);
$this->assertEqual(
array(
'start',
'string1',
),
$lexer->getLexerState(),
$file);
$this->assertEqual(
null,
$argv,
$file);
break;
default:
throw new Exception("No assertion block for test '{$file}'!");
}
}
}

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