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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2015 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\Test\Readline;
use Psy\Readline\Libedit;
class LibeditTest extends \PHPUnit_Framework_TestCase
{
private $historyFile;
public function setUp()
{
if (!Libedit::isSupported()) {
$this->markTestSkipped('Libedit not enabled');
}
$this->historyFile = tempnam(sys_get_temp_dir(), 'psysh_test_history');
if (false === file_put_contents($this->historyFile, "_HiStOrY_V2_\n")) {
$this->fail('Unable to write history file: ' . $this->historyFile);
}
// Calling readline_read_history before readline_clear_history
// avoids segfault with PHP 5.5.7 & libedit v3.1
readline_read_history($this->historyFile);
readline_clear_history();
}
public function tearDown()
{
if (is_file($this->historyFile)) {
unlink($this->historyFile);
}
}
public function testHistory()
{
$readline = new Libedit($this->historyFile);
$this->assertEmpty($readline->listHistory());
$readline->addHistory('foo');
$this->assertEquals(array('foo'), $readline->listHistory());
$readline->addHistory('bar');
$this->assertEquals(array('foo', 'bar'), $readline->listHistory());
$readline->addHistory('baz');
$this->assertEquals(array('foo', 'bar', 'baz'), $readline->listHistory());
$readline->clearHistory();
$this->assertEmpty($readline->listHistory());
}
/**
* @depends testHistory
*/
public function testHistorySize()
{
$readline = new Libedit($this->historyFile, 2);
$this->assertEmpty($readline->listHistory());
$readline->addHistory('foo');
$readline->addHistory('bar');
$this->assertEquals(array('foo', 'bar'), $readline->listHistory());
$readline->addHistory('baz');
$this->assertEquals(array('bar', 'baz'), $readline->listHistory());
$readline->addHistory('w00t');
$this->assertEquals(array('baz', 'w00t'), $readline->listHistory());
$readline->clearHistory();
$this->assertEmpty($readline->listHistory());
}
/**
* @depends testHistory
*/
public function testHistoryEraseDups()
{
$readline = new Libedit($this->historyFile, 0, true);
$this->assertEmpty($readline->listHistory());
$readline->addHistory('foo');
$readline->addHistory('bar');
$readline->addHistory('foo');
$this->assertEquals(array('bar', 'foo'), $readline->listHistory());
$readline->addHistory('baz');
$readline->addHistory('w00t');
$readline->addHistory('baz');
$this->assertEquals(array('bar', 'foo', 'w00t', 'baz'), $readline->listHistory());
$readline->clearHistory();
$this->assertEmpty($readline->listHistory());
}
public function testListHistory()
{
$readline = new Libedit($this->historyFile);
file_put_contents(
$this->historyFile,
"This is an entry\n\0This is a comment\nThis is an entry\0With a comment\n",
FILE_APPEND
);
$this->assertEquals(array(
'This is an entry',
'This is an entry',
), $readline->listHistory());
$readline->clearHistory();
}
/**
* Libedit being a BSD library,
* it doesn't support non-unix line separators.
*/
public function testLinebreaksSupport()
{
$readline = new Libedit($this->historyFile);
file_put_contents(
$this->historyFile,
"foo\rbar\nbaz\r\nw00t",
FILE_APPEND
);
$this->assertEquals(array(
"foo\rbar",
"baz\r",
'w00t',
), $readline->listHistory());
$readline->clearHistory();
}
}