Chris@13: <?php
Chris@13: 
Chris@13: /*
Chris@13:  * This file is part of Psy Shell.
Chris@13:  *
Chris@13:  * (c) 2012-2018 Justin Hileman
Chris@13:  *
Chris@13:  * For the full copyright and license information, please view the LICENSE
Chris@13:  * file that was distributed with this source code.
Chris@13:  */
Chris@13: 
Chris@13: namespace Psy\Test\Readline;
Chris@13: 
Chris@13: use Psy\Readline\Libedit;
Chris@13: 
Chris@13: class LibeditTest extends \PHPUnit\Framework\TestCase
Chris@13: {
Chris@13:     private $historyFile;
Chris@13: 
Chris@13:     public function setUp()
Chris@13:     {
Chris@13:         if (!Libedit::isSupported()) {
Chris@13:             $this->markTestSkipped('Libedit not enabled');
Chris@13:         }
Chris@13: 
Chris@17:         $this->historyFile = \tempnam(\sys_get_temp_dir(), 'psysh_test_history');
Chris@17:         if (false === \file_put_contents($this->historyFile, "_HiStOrY_V2_\n")) {
Chris@13:             $this->fail('Unable to write history file: ' . $this->historyFile);
Chris@13:         }
Chris@13:         // Calling readline_read_history before readline_clear_history
Chris@13:         // avoids segfault with PHP 5.5.7 & libedit v3.1
Chris@17:         \readline_read_history($this->historyFile);
Chris@17:         \readline_clear_history();
Chris@13:     }
Chris@13: 
Chris@13:     public function tearDown()
Chris@13:     {
Chris@17:         if (\is_file($this->historyFile)) {
Chris@17:             \unlink($this->historyFile);
Chris@13:         }
Chris@13:     }
Chris@13: 
Chris@13:     public function testHistory()
Chris@13:     {
Chris@13:         $readline = new Libedit($this->historyFile);
Chris@13:         $this->assertEmpty($readline->listHistory());
Chris@13:         $readline->addHistory('foo');
Chris@13:         $this->assertSame(['foo'], $readline->listHistory());
Chris@13:         $readline->addHistory('bar');
Chris@13:         $this->assertSame(['foo', 'bar'], $readline->listHistory());
Chris@13:         $readline->addHistory('baz');
Chris@13:         $this->assertSame(['foo', 'bar', 'baz'], $readline->listHistory());
Chris@13:         $readline->clearHistory();
Chris@13:         $this->assertEmpty($readline->listHistory());
Chris@13:     }
Chris@13: 
Chris@13:     /**
Chris@13:      * @depends testHistory
Chris@13:      */
Chris@13:     public function testHistorySize()
Chris@13:     {
Chris@13:         $readline = new Libedit($this->historyFile, 2);
Chris@13:         $this->assertEmpty($readline->listHistory());
Chris@13:         $readline->addHistory('foo');
Chris@13:         $readline->addHistory('bar');
Chris@13:         $this->assertSame(['foo', 'bar'], $readline->listHistory());
Chris@13:         $readline->addHistory('baz');
Chris@13:         $this->assertSame(['bar', 'baz'], $readline->listHistory());
Chris@13:         $readline->addHistory('w00t');
Chris@13:         $this->assertSame(['baz', 'w00t'], $readline->listHistory());
Chris@13:         $readline->clearHistory();
Chris@13:         $this->assertEmpty($readline->listHistory());
Chris@13:     }
Chris@13: 
Chris@13:     /**
Chris@13:      * @depends testHistory
Chris@13:      */
Chris@13:     public function testHistoryEraseDups()
Chris@13:     {
Chris@13:         $readline = new Libedit($this->historyFile, 0, true);
Chris@13:         $this->assertEmpty($readline->listHistory());
Chris@13:         $readline->addHistory('foo');
Chris@13:         $readline->addHistory('bar');
Chris@13:         $readline->addHistory('foo');
Chris@13:         $this->assertSame(['bar', 'foo'], $readline->listHistory());
Chris@13:         $readline->addHistory('baz');
Chris@13:         $readline->addHistory('w00t');
Chris@13:         $readline->addHistory('baz');
Chris@13:         $this->assertSame(['bar', 'foo', 'w00t', 'baz'], $readline->listHistory());
Chris@13:         $readline->clearHistory();
Chris@13:         $this->assertEmpty($readline->listHistory());
Chris@13:     }
Chris@13: 
Chris@13:     public function testListHistory()
Chris@13:     {
Chris@13:         $readline = new Libedit($this->historyFile);
Chris@17:         \file_put_contents(
Chris@13:             $this->historyFile,
Chris@13:             "This is an entry\n\0This is a comment\nThis is an entry\0With a comment\n",
Chris@13:             FILE_APPEND
Chris@13:         );
Chris@13:         $this->assertSame([
Chris@13:             'This is an entry',
Chris@13:             'This is an entry',
Chris@13:         ], $readline->listHistory());
Chris@13:         $readline->clearHistory();
Chris@13:     }
Chris@13: 
Chris@13:     /**
Chris@13:      * Libedit being a BSD library,
Chris@13:      * it doesn't support non-unix line separators.
Chris@13:      */
Chris@13:     public function testLinebreaksSupport()
Chris@13:     {
Chris@13:         $readline = new Libedit($this->historyFile);
Chris@17:         \file_put_contents(
Chris@13:             $this->historyFile,
Chris@13:             "foo\rbar\nbaz\r\nw00t",
Chris@13:             FILE_APPEND
Chris@13:         );
Chris@13:         $this->assertSame([
Chris@13:             "foo\rbar",
Chris@13:             "baz\r",
Chris@13:             'w00t',
Chris@13:         ], $readline->listHistory());
Chris@13:         $readline->clearHistory();
Chris@13:     }
Chris@13: }